Graco 231–081 Instructions And Parts List

Download

Page 1

INSTRUCTIONS–P

This

manual contains IMPORT

WARNINGS AND INSTRUCTIONS

READ AND RETAIN FOR REFERENCE

120 VAC, 15 AMP

ARTS LIST

ANT

307–920

Rev B

Supersedes

ASBESTOS

3000

psi (210 bar) MAXIMUM WORKING PRESSURE

ENCAPSULATOR II SPRA

Model 231–081, Series B

Basic

sprayer on Upright cart without

hose or gun

YER

Hazard of Using Fluids Containing Halogenated Hydrocarbons

Never

use

1,1, 1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing

such

solvents in this equipment. Such

sion,

which could cause death, serious bodily injury and/or substantial property damage.

Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts.

Refer to the T

echnical Data on page 45 for more information.

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

WARNING

use could result in a serious chemical reaction, with the possibility of explo

1988, GRACO INC.

Page 2

TABLE OF CONTENTS

Introduction 2.

Warnings 4 Avertissement 6 Advertencia 8

Setup 10 Operation 13 Shutdown Flushing Guidelines 15.

Troubleshooting Guide

Repair

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Motor W Low

Output

Output Excessive Motor Electrical Spin Test 22. Bridge Test 23.

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

& Care

on’t Operate 16

Is Hot and Runs Intermittently

Short

Repair Notes

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Fluctuations

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . .

. . . . . . . .

14.

19.

20.

21.

24.

Electrical

Motor

Brush Replacement

Power

Supply Cord Replacement ON/OFF Bridge Circuit Circuit Pressure Pressure

Switch Replacement Rectifier Replacement Breaker Replacement Board Replacement

Control Replacement Control Adjustment

. . . . . . . . . . . . . .

. . . . . . .

. . . . . . . . . .

. . . . . . . . . . .

. . . . . . . . . . . . .

. . . . . . . . .

. . . . . . . . . . .

25.

26.

27.

28.

29.

30.

Mechanical

Bearing

Drive Motor Displacement

Parts

Lists and Drawings

Displacement Pump Sprayer 40 Pressure Wiring

Accessories 44 Technical Dimensions 45 Warranty Back

Housing &

Connecting Rod Replacement

Housing Replacement

Replacement

Pump Repair

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Assembly

Diagram

Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . .

. . . . . .

. . . . . . . . . . . .

32.

33.

34.

36.

39.

42.

43.

45.

Cover

INTRODUCTION

BASIC COMPONENTS

Your

new sprayer functions and operates dif other airless material sprayers. This section will help you become

familiar with the sprayer before operating it.

Pressure Control

The

pressure control includes sprayer sensing a trol tains

, the

pressure

device

manual reset

is to control the motor speed so that the sprayer main

constant fluid pressure at the pump outlet.

adjusting control knob, a pressure and a current overload circuit breaker with button. The function of the pressure con

an ON/OFF switch for the

Motor

The

DC motor has sealed bearings and replaceable tor brushes. Its function is to drive the displacement pump

at the rate needed ume at the selected pressure. W orking together , the pressure control and motor cause the pump to cycle whenever there is fluid or pressure demand. When the pump is cycling, the motor sounds like an automobile starter

cranking. When the pump is not cycling, the motor

may

hum intermittently until the fluid pressure

then

the motor will shut itself of be power to the sprayer and it will stay pressurized and ready

to use until you manually shut it of

sure.

Because the motor is DC, it is less sensitive to low voltage or

voltage fluctuations than gauge (minimum) extension cord of up to 150 ft. (45 m) can

be used.

307–920



to supply suf

f. However, there will still

an AC motor

ferently than

ficient material vol

stabilizes,

f and relieve pres

, and a 3-wire, 12

Drive Assembly

The

sealed drive assembly

motor

to the displacement pump.

transfers power from the DC

Displacement Pump

The

positive displacement, vides equal fluid strokes. Graco Throat Seal Liquid, helps prevent damage to the

throat

The pump has a wet–cup which, when filled with

packings and piston rod.

delivery

volume–balanced pump pro

on both the up and down pump

Fluid Filter

The fluid filter strains the material to help avoid clogs in the

hose and spray tip. The filter includes a reusable ele

ment

and has a pressure

ing

fluid pressure.

drain valve for manually reliev

Optional Hoses

The

grounded, nylon spray hoses have spring guards on both

ends. The

6 ft.

(1.8 m), 3/16 in. ID hose provides more flexible gun movement. The nylon hose material acts as a pulsation dampener

Optional Spray Gun & Tip Guard

The high pressure spray gun has a trigger safety which

prevents accidental triggering when it is engaged.

the

Detail in Fig 3–1.

straining. The gun’ s tip guard is a safety feature which helps

reduce the risk of fluid injection injury

ate

the gun without the tip guard in place.

50 ft. (15.2 m) hose has a 1/4 in. ID. The

to absorb pressure fluctuations.

The gun also has a filter for material

See

. NEVER oper

Page 3

TRIGGER SAFETY SHOWN ENGAGED

ON/OFF SWITCH

PRESSURE ADJUSTING KNOB

MOTOR

RESET BUTT

DRIVE ASSEMBL

FLUID FIL

DISPLACEMENT

TER

PUMP

PRESSURE CONTROL

Fig 1

PRESSURE DRAIN

ALVE

307–920

Page 4

WARNINGS

HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS

Read and understand all instruction manuals before operating equipment.

FLUID INJECTION HAZARD

General

This the your injury, splashed into the eyes or on the skin can cause serious damage.

NEVER NEVER put hand or fingers over the spray tip. NEVER try to “blow back” paint; this is NOT an air spray system.

ALWAYS have the tip guard in place on the spray gun when spraying.

ALWAYS cleaning or removing the spray tip or servicing any system equipment.

NEVER

Be each

Medical

If any fluid appears to penetrate your skin, get EMERGENCY MEDICAL CARE AT ONCE. DO NOT TREAT AS A SIMPLE CUT.

Note

Spray

Be sure all gun safety devices are operating properly before each cause

Safety

equipment generates very high fluid pressure. Spray from

gun, leaks or ruptured components can

skin and into

including the need for amputation. Also, fluid injected or

point the spray gun at anyone

follow the

try to stop or deflect leaks with your hand or body

sure equipment safety devices are operating properly before

use.

your body and cause extremely serious bodily

Pressure Relief Procedure

Alert––Airless Spray W

ell the doctor exactly what fluid was injected.

to Physician:

important

delay treatment to research toxicity

not

with some exotic coatings injected directly into the blood stream.

Consultation with a plastic

hand

surgeon may be advisable.

Injection in the skin is a traumatic injury

to treat the injury surgically as soon as possible.

inject fluid through

or at any part of the body

, below, before

ounds

. It is

oxicity is a concern

surgeon or reconstructive

Gun Safety Devices

use. Do

not remove or modify any part of the gun; this can

a malfunction and result in serious bodily injury

Safety

Latch

Whenever gun inoperative. Failure to set the safety latch can result in tal

triggering of the gun.

you stop spraying, even for a moment,

safety latch in the closed or “safe” position, making the gun

Diffuser

The gun diffuser breaks up spray and reduces the risk of fluid

injection regularly. Follow the Pressure Relief Procedure, below remove gun the gun. If the fluid emitted stream,

Tip

ALWAYS have the tip guard in place on the spray gun while spraying. The tip guard alerts you to the fluid injection hazard and placing tip.

Trigger

Always ing to reduce the risk of accidentally triggering the gun if it is dropped

Spray T

Use extreme caution when cleaning or changing spray tips. If the immediately. ALWAYS follow the Pressure Relief Procedure and

NEVER fully

when the tip is not installed. Check dif

the spray tip. Aim the

firmly to the pail. Using the lowest

replace the dif

gun into a metal pail, holding the

possible pressure, trigger

is not

fuser immediately

diffused into an irregular

Guard

helps reduce, but does not prevent, the risk of accidentally

your fingers or any part of your body close

Guard

have the trigger guard in place on the

or bumped.

gun when spray

ip Safety

spray tip clogs while spraying, engage the gun safety

then remove the spray tip to clean it.

wipe

relieved and the gun safety latch is engaged.

f build–up around the spray tip until pressure is

always set the

acciden

fuser operation

, then

to the spray

latch

Pressure

reduce the risk of serious bodily injury jection, injury procedure ing

or servicing any part of the spray system, when installing, cleaning or changing spray tips, and whenever you stop spraying.

1. Engage

Relief Procedure

splashing fluid or solvent in the eyes or on

from moving parts or electric shock, always follow this

whenever you shut of

the gun safety latch. Turn the ON/OFF switch to OFF. Unplug the power supply cord.

f the sprayer

, including fluid in

1,5

307–920

the skin, or

, when check

Disengage

gun ger

6. Open the pressure drain valve, having a container

If you suspect that the spray tip or hose is completely clogged, lowing

taining the part to relieve pressure gradually , then loosen completely.

the gun to relieve pressure.

Engage the gun safety latch.

ready you

the steps

nut or hose end coupling and VER

Now clear the tip or hose.

the gun safety latch. Hold a metal part of the

firmly to the side of a

to catch the drainage. Leave the valve open until

are ready to spray again.

or that pressure

above,

grounded metal pail, and trig

has not been fully relieved after fol

wrap a rag around the tip guard re

Y SLOWL

Y loosen

Page 5

MOVING PARTS HAZARD

Moving

parts can pinch or amputate your fingers or other body

parts.

KEEP CLEAR of moving

the

sprayer before from

. Follow the

checking or servicing any part of the sprayer

starting accidentally

Pressure

parts when starting or operating

Relief Procedure

, to prevent it

on page 4

EQUIPMENT MISUSE HAZARD

General

Any misuse of the spray equipment or accessories, such as overpressurizing, modifying parts, using incompatible chemicals to the erty

NEVER alter or modify any part of this equipment; doing so could

CHECK all spray equipment regularly and repair or replace worn

Always as

System

This sprayer can develop

WORKING

accessories exceed the maximum working pressure of any component or accessory

Fluid and Solvent Compatibility

BE patible with the wetted parts shown in the TECHNICAL DATA on erature

Safety

and fluids, or using worn or damaged parts, can cause them

rupture

and result in fluid injection, splashing in the eyes or on

skin, or other serious bodily injury, or fire, explosion or prop

damage.

cause it to malfunction.

or damaged parts immediately

wear protective eyewear

recommended by the fluid and solvent manufacturer

, gloves, clothing and respirator

Pressure

PRESSURE

used are rated to withstand this pressure. DO NOT

used in the system.

SURE that all fluids and solvents used are chemically com

page 44. Always read the

before using them in this sprayer

3000 psi (210 bar) MAXIMUM

Be sure

that all spray equipment and

fluid and solvent manufacturer’s lit

HOSE SAFETY

High pressure fluid in the hoses can be very dangerous. If the hose develops a leak, split or rupture due to any kind of wear, damage cause a fluid injection injury or other serious bodily injury or property

ALL FLUID HOSES MUST HA VE SPRING GUARDS ON BOTH ENDS! The spring guards help protect the hose from

kinks or bends at or close to the coupling which can result in hose

TIGHTEN pressure sure

NEVER

tire movement ist, replace the hose immediately pressure hose or mend it with tape or any other device. A repaired

HANDLE AND ROUTE HOSES CAREFULLY. Do not pull on hoses to move equipment. Keep hoses clear of moving parts and or solvents which are not compatible with the inner tube and cover above

Hose Grounding Continuity

Proper hose grounding continuity is essential to maintaining a grounded fluid tag tact the hose tance

your hose to check the resistance. If the resistance exceeds recommended

poorly read FIRE OR EXPLOSION HAZARD.

misuse, the high pressure spray emitted from it can

damage.

rupture.

all fluid connections securely before each use. High

fluid can dislodge a loose coupling or

spray to be emitted from the coupling.

use a damaged

hose for cuts, leaks, abrasion, bulging cover

of the hose couplings. If any of these conditions ex

hose cannot contain the high pressure fluid.

hot surfaces of the pump and gas engine. Do not use fluids

of the hose. DO NOT expose Graco hose to temperatures

180 F (82C) or below –40 F (–40

spray system. Check the electrical resistance of your

hoses at least once

on it which specifies the maximum

supplier or manufacturer for the maximum resis

limits.

Use a resistance meter in the appropriate range for

grounded hose can make your system hazardous. Also

limits, replace it immediately

hose. Before each use, check the en

. DO

NOT try to recouple high

a week. If your hose does not have a

electrical resistance, con

allow high pres

 C).

. An ungrounded

, or damage or

the

FIRE OR EXPLOSION HAZARD

Static

electricity is created by the flow of fluid through the and hose. If every part of the spray equipment is not properly grounded, sparking may occur , and the system may become hazardous. Sparking may also occur when plugging in or unplugging a power supply cord or using a gasoline engine. Sparks can ignite fumes from solvents and the fluid being sprayed, dust particles and other flammable substances, whether fire

If you experience any static sparking or even a slight shock while Check the entire system for proper grounding. Do not use the system again until the problem has been identified and corrected.

you are spraying indoors or outdoors, and can cause

or explosion and serious bodily injury and property damage.

using this equipment, ST

OP SPRA

YING IMMEDIA

Grounding

reduce the risk of static sparking, ground the sprayer and all other spray equipment used or located in the spray area. CHECK tions all

your local electrical code for

for your area and type of equipment. BE SURE to

of this spray equipment:

Sprayer:

true

connect a

earth ground.

ground wire and clamp (supplied) to a

detailed grounding instruc

pump

TELY.

ground

Fluid

hoses:

ft (150 m) combined hose length to ensure

500 continuity.

Spray

grounded fluid hose and sprayer

erly

Object being sprayed:

Fluid supply container:

All solvent pails used when flushing,

code. Use only metal pails, which are conductive. Do not place or

cardboard, which interrupts the grounding continuity

maintain grounding continuity when flushing or

pressure

side

of a grounded metal pail, then trigger the gun.

Flushing

Reduce

ing manual. remove firmly to the side of a grounded metal pail and use the lowest possible

the

by following the flushing procedure given on page 15 of

Follow the

the spray tip before flushing. Hold a metal part

fluid pressure during flushing.

use only grounded

See

Hose Grounding Continuity.

gun:

obtain grounding through connection

according to local code.

the pail

on a non–conductive surface, such as paper

always hold a metal part of the gun firmly to

Safety

risk of fluid injection injury

Pressure Relief Procedure

hoses with a maximum

grounding

according to local

f

to a prop

relieving

the

, static sparking, or splash

on page 4, and

this

of the gun

United

States Government safety standards have been adopted under the Occupational

particularly

the General Standards, Part 1910, and the Construction Standards, Part 1926 – should be consulted.

IMPORTANT

Safety and Health Act. These standards –

307–920

Page 6

AVERTISSEMENT

pulvérisation à haute pression peut causer des blessures très graves.

Réservé exclusivement à l’usage professionnel. Observer toutes les consignes de sécurité.

Bien lire et bien comprendre tous les manuels d’instructions avant d’utiliser le matériel.

RISQUES D’INJECTION

Consignes

Cet appareil produit un fluide à très haute pression. Le fluide pulvérisé fuites

ou de ruptures peut pénétrer sous

corps et entrainer des blessures très graves, amputation. sant

ou entrant dans les yeux peut aussi entrainer des blessures

graves.

JAMAIS pointer le pistolet vers quelqu’un ou vers une partie quelconque sur

l’ajutage du pulvérisateur la peinture. Cet appareil N’est P AS un compresseur pneumatique.

TOUJOURS tolet

pendant la pulvérisation.

TOUJOURS observer la March à Suivre pour Détendre la Pression donnée plus loin, avant de nettoyer ou d’enlever l’ajutage sur

une partie de l’appareil.

NE JAMAIS essayer d’arrêter ou de dévier les fuites avec la main

ou le corps.

Avant chaque utilisation, bien s’assurer que les dispositifs de sécurité

Soins

cas

MEDIATEMENT DES SOINS MEDICAUX D’URGENCE. NE PAS SOIGNER CETTE BLESSURE COMME UNE SIMPLE COUPURE.

Avis

au medecin

traumatisme.

cette

ment revêtements exotiques sont dangereusement toxiques quand ils sont injectés directement dans le sang. Il est souhaitable de consulter un chirurgien esthétique ou un chirurgien

Marche

Pour reduire les risques de blessures graves, y compris les blessures par injection de fluide ou celles causees par des eclaboussures dans les yeux ou sur la peau, des pieces en mouvement, toujours bien observer cette marche a suivre a chaque verification,du changement

2. Basculer l’interrupteur de commande de pression sur

generales de sécurité

par le pistolet ou le fluide sous pression provenant

Même sans être sous pression, le fluide

du corps. NE JAMAIS mettre la main ou les doigts

garder la protection de l’ajutage en place sur le pis

du pulvérisateur

fonctionnent correctement.

. NE JAMAIS essayer de “refouler”

, ou d’ef

la peau ou à l’interieur

voir même une

fectuer un travail

éclabous

quelconque

medicaux

de pénétration de fluide sous la peau:

: La pénétration des fluides sous la peau est un

blessure immédiatement.

pour ef

Il est important

fectuer des recherches sur la toxicité. Certains

spécialisé dans la reconstruction des mains.

de traiter chirurgicalement

Ne pas

DEMANDER IM

retarder le traite

a Suivre pour Detendre la Pression

fois que l’on arrete le

reglage ou du nettoyage du systeme

des ajutages.

Engager le verrou de securite du pistolet.

ARRET (OFF). Debrancher le cordon d’alimentation.

pulverisateur

, a l’occasion de la

ou lors du

Dispositifs de sécurité du pistolet

Avant

chaque utilisation, bien s’assure que

sécurité du pistolet fonctionnent correctement.

modifier une

traîner

Verrou

A chaque fois que l’on s’arrête de pulvérisér , même s’il s’agit d’un

court instant, toujours mettre le verrou de sécurité du tolet sur la position “fermée” ou “sécurité” (“safe”) pour empêcher le pistolet de fonctionner . Si le verrou de sécurité n’est

pas

Voir

la Fig. 1, ci–dessus.

partie quelconque du pistolet; ceci risquerait d’en

un mauvais fonctionnement et des blessures graves.

de sécurité

mis, le pistolet peut se déclencher accidentellement.

tous les dispositifs

Diffuser

dif

fuseur du pistolet sert à diviser le jet et à réduire les risques

d’injection accidentelle quand l’ajutage n’est pas en place.

Vérifier le fonctionnement du dif fuseur régulièrement. Pour cette

vérification, détendre la pression en observant la Marche

Suivre pour Détendre la Pression

lever

l’ajutage du pulvérisateur

métal, utilisant la pression la plus faible possible, appuyer sur la gachette du pistolet. Si le fluide projete forme

Protection

TOUJOURS pistolet de l’ajutage attire l’attention sur les risques d’injection bue partie ximité

en le maintenant fermement contre le seau. Puis, en

de jet irrégulier

, remplacer immédiatement le dif

de l’ajutage

maintenir la protection de l’ajutage en place sur le

du pulvérisateur pendant la pulvérisation. La protection

à réduire, mais n’évite pas le risque,

quelconque du corps

immédiate de l’ajutage du pulvérisateur

ne passent accidentellement à pro

donnée plus loin puis en

. Pointer le pistolet dans un seau

n’est pas

que les doigts ou une

Consignes de sécurité concernant l’ajutage du pulvérisateur

Faire extremement attention à l’occasion du nettoyage ou du remplacement des ajutages du pulvérisateur . Si l’ajutage se bouche

pendant la pulvérisation, mettre immédiatement le ver

rou de sécurité du pistolet. T OUJOURS bien observer la

Marche à Suivre pour Détendre la Pression puis enlever l’ajutage

NE du pulvérisateur avant que la pression ne soit completement tombée

4. Desengager le verrou de securite du pistolet. T out en

6. Ouvrir

Si ment bouche, ou que la pression n’a pas ete completement liberee

serrer TRES LENTEMENT un raccord du bout du tuyau ou l’ecrou de retenue de la protection de l’ajutage et liberer progressivement

du pulvérisateur pour le nettoyer

JAMAIS essuyer ce qui s’est accumulé autour de l’ajutage

et que le verrou de sécurité du pistolet ne soit engagé.

maintenant une partie metallique du pistolet fermement appuye contre le cote d’un seau en metal, actionner le

pour liberer la pression.

pistolet Engager le verrou de securite du pistolet.

la soupape ce que l’on soit pret a se servir de nouveau du pulverisateur.

de securite et la laisser ouverte jusqu’a

Debrancher le fil de la bougie.

l’on soupconne que le tuyau ou l’ajutage du est complete

apres avoir procede aux operations ci–dessus, des-

la pression.

Ne pas enlever

diffusé sous

pis

fuseur.

contri

1,5

307–920

Page 7

RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIEL

Consignes

Toute accessoires comme, par exemple, la mise sous une pression excessive, les modifications chimiques usées ou abîmées peut causer des dégâts à l’appareil ou des ruptures de pièces et entraîner une injection de liquide ou d’autrès blessures sérieuses, un incendie, une explosión ou d’autrès

JAMAIS alterer ou modifier une piece de

risquerait Vérifier régulièrement tout l’appareil de pulvérisation et ses

equipements et réparer ou remplacer immédiatement les pièces

générales de sécurité

utilisation anormale de l’appareil de

de matières incompatibles et l’utilisation de pièces

dégâts.

d’entraîner son mauvais fonctionnement.

usées ou abîmées.

de pièces, l’utilisation de produits

MESURES DE SÉCURITÉ CONCERNANT LES TUYAUX FLEXIBLES

fluide à haute pression circulant dans les tuyaux peut être très dangereux. rupture tion, peuvent peau

TOUS SORTS

de protection contribuent à eviter la formation de pliures, de boucles rupture

SERRER tion. Le fluide sous pression peut faire sauter un raccord desserre cord.

JAMAIS utiliser un tuyau endommagé. NE PAS essayer de refaire le raccord d’un tuyau haute pression ni de réparer le tuyau réparé

En cas de fuite sur le tuyau, de fissure, déchirure ou

à la suite de l’usure, de dégâts ou d’une mauvaise utilisa

les projections de fluide haute pression qui en proviennent

entraîner des blessures graves par pénétration sous la

ou par contact, ainsi que des dégâts matériels.

LES TUY

SPIRALE DE PROTECTION AUX

ou de nœuds

du tuyau à l’endroit du raccord ou à son voisinagé.

ou produire un jet à haute

avec du ruban adhesif ou par tout autre moyen. Un tuyau

ne peut pas résister au fluide sous pression.

AUX

FLEXIBLES DOIVENT A

sur les tuyaux qui pourraient entraîner la

FERMEMENT tous les raccords avant chaque utilisa–

pression s’échappant par le rac

RISQUES D’INCENDIE OU D’EXPLOSIÓN

De l’électricité statique est produite par le passage du fluide à grande

vitesse dans la pompe et dans pieeces de l’appareil de pulvérisation ment

reliées à la masse ou produire et l’appareil risque d’être dangereux. Des étincelles peuvent du débranchement du cordón d’alimentation. Les étincelles sont pulvérisé, substances l’extérieur, et elles peuvent causer un incendie ou une explosión, ainsi que des blessures graves et des dégâts matériels. Toujours brancher le pulvérisateur dans une prise se trouvant à la pulvérisation. Ne pas brancher ou débrancher un cordón d’alimenations tion quand il y à le moindre risque que des vapeurs encore présentes

S’il sentez PULVÉRISATION. laterre. soit

Mise

Pour statique, trouvant dans la zone de pulvérisation doivent être reliés à la terre mise CONSULTER le code ou les réglementations électriques locales. suivants

également se produire à l’occasion du branchement ou

suf

fisantes pour allumer les vapeurs de solvants et le fluide

les fines particules de poussieère ainsi que d’autrès

inflammables, quand on pulvérisé à l’intérieur ou à

au moins 6 m (20 pieds) de l’appareil et de l’endroit où se fait

quel qui’il

dans l’air prennent feu.

se produit des étincelles d’électricité statique, ou si vous

la moindre décharge,

Ne vous servez pas du systeeme avant que le problème

identifié et corrigé.

Vérifiez que le système entier est bien mis à

à la terre ou à la masse

réduire les risques de production d’étincelles d’électricité

le pulvérisateur et tous les équipements

ou à la masse. Pour connaître le detail des instructions de

à la terre dans la region et le

S’ASSURER que tous les équipements de pulvérisation

sont bien reliés à la terre:

Pulvérisateur:

longe

qui doivent être équipés

état,

dans une prise de courant convenablement terre. Ne pas utiliser d’adaptateur . Toutes les rallonges doivent

Brancher le cordón d’alimentation ou la ral

avoir 3 fils et être prevues pour 15 ampères.

à la terre, des étincelles peuvent se

soit dans la zone où se fait la pulvérisa

ARRÊTEZ IMMÉDIA

type particulier d’équipement,

pulvérisation ou des

cet appareil; ceci

VOIR DES RES

BOUTS!

les tuyaux. Si toutes les

sont pas convenable

d’une prise à 3 fiches en bon

Les spirales

TEMENT LA

utilisés ou se

mise à la

res

Pression

pulvérisateur peut

TRAVAIL 210 bar (3000 lb/po2)

éléments résister à la pression maximum de travail de ce pulvérisateur . NE éléments

du pulvérisateur et ses accessoires sont conçus pour

AS depasser la pression maximum de travail d’aucun

ou accessoires utilisés avec cet appareil.

Compatibilité

BIEN

S’ASSURER que tous les corps des solvants utilisés sont

chimiquement dans les Technical Data, a page 44. Toujours lire soigneuse-

les documents et brochures du

ment

utilisés avant de s’en servir dans ce pulvérisateur

vants

MANIPULER LES TUYAUX AVEC PRECAUTION ET CHOISIR SOIGNEUSEMENT tirant

sur l

e t sont tuyau.

2) C (180) F) ou i

Continuité

Une tielle tion. à

air pas d’étiquette qui précise la résistance électrique maximum, prenez contact avec le fournisseur de tuyaux ou la fabricant pour de

résistance de la gamme appropriée pour votre tuyau et fiez la résistance. Si celle–ci dépasse les límites recommandées, remplacez le tuyau immédiatement. Un tuyau sans mise traîner des risques pour votre systeme. Lisez aussi LES

RISQUES

Mesures

Pour et les risques dûs aux etincelles d’electricite statique ou aux éclaboussures, observer la marche à suivre pour le rincage donnée à la page 14 de ce manuel. Observer la “Marche à Suivre pour Détendre la Pression” donnée à la page 6 en

lever

partie d’un pendant

uyau

pas c

ompatible

E PAS e

de la mise à la terre des tuyaux

bonne continuité de la mise à la terre des tuyaux est essen

pour maintenir la mise

Vérifiez la résistance électrique de vos tuyaux à fluides et

, au moins une fois

avoir les límites de résistance maximum.

à la terre ou avec une mise à la terre incorrecte peut en-

D’INCENDIE OU D’EXPLOSIÓN ci–dessus.

Tuyaux

flexibles:

terre, n’utiliser que des tuyaux comportant une mise à la terre

et ayant une longueur maximum combinée de 150 m

(1500

pieds). Se

du circuit de mise à la terre des tuyaux.

nuité

Pistolet

tuyau flexible et à un pulvérisateur dèjá convenablement reliés

: Réaliser la mise à la terre en le raccordant à un

à la terre.

Récipient d’alimentation:

mentations

Objets,

matériel ou surfaces reçevant la pulvérisation:

server

le code ou les réglementations locales.

Tous les seaux de solvants

server le code ou les réglementations locales. N’utiliser que des saux métalliques conducteurs de l’électricité. Ne pas

mettre le seau sur sur du papier ou du carton car cela interromprait la continuité

de la mise à la terre.

Pour

conserver la continuité de la mise

rince le matériel ou quand on libére la pression

maintenir une partie métallique du pistolet fermement appuyée

contre le côté d’un seau

détente du pistolet.

de sécurité concernant le Rincage

réduire les risques de blessures par pénétration de la peau

l’ajutage du pulvérisateur

métallique

seau en métal et utiliser la pression la plus faible

le rincage.

produire une

PRESSION MAXIMUM DE

. S’assurer que tous les

des

chimique des corps

compatibles avec les parties mouillées indiquées

fabricant des fluides et sol

LEUR C

. N

e pas u s avec l

xpose

locales.

HEMIN

. N

e pas d

tilise

r d

e f

’envelopp

r l

e t

uya

nférieure

à la terre de l’ensemble de vaporisa

par semaine. Si votre tuyau ne comporte

Afin d’assurer

reporter également au paragraphe

une surface non conductrice comme

luide e i

u à de

s t

s à –

la continuité de la mise à la

observer le code ou les régle-

utilisés pour le rinçage: ob-

éplace

s o

u d

ntérieur

empérature

40) C (–40) F).

e s

e o

u e

Utilisez un mètre

à la terre quand on

en métal puis appuyer sur

du pistolet fermement appuyée contre le côté

avant le rincage

. Maintenir une

r l

e f

olvant

xtérieur

s s

upérieures

, toujours

possible

luid

e e

s qui n

e d

véri

Conti-

en-

307–920

n e u

Page 8

ADVERTENCIA

ROCIADO a ALTA PRESIÓN PUEDE CAUSAR GRA

SOLO P

Lea y entienda todo el manual de instrucciónes antes de manejar el equipo.

PELIGRO DE INYECCIÓN DE FLUIDO

Seguridad

Este

equipo genera un fluido a una de la pistola, los escapes de fluido o roturas de los componentes lesiones extremadamente graves, incluyendo a veces la necesidad de amputación. También, el fluido inyectado o salpicado

NUNCA apuntar la pistola hacia alguien o alguna parte del cuerpo. quilla. un

sistema de rociado de aire.

SIEMPRE tener colocado el protector de la boquilla en la pistolamientras

SIEMPRE seguir el procedimiento de descarga de presión, dado vicioa

NUNCA cuerpo.

Asegurar funciónando

Tratamiento

Si pareciera que un poco de fluido penetró la piel, conseguir

TRATAMIENTO TRATAR LA HERIDA COMO UN SIMPLE CORTE. Decir al

médico

Aviso al médico:

causa mente la lesión a la brevedad posible. No demorar el tratamiento suma importancia en algunas pinturas exóticas cuando se inyectan directamente al torrente sanguineo. Sirá conveniente consultar de

las manos.

general

pueden inyectar fluido en la piel y el cuerpo y

en los ojos puede causar graves daños.

NUNCA colocar la mano o los dedos encima de la bo–

NUNCA tratar de “hacer retornar la pintura”; este NO es

se está pulverizando.

másabjo, antes de limpiar o sacar la boquilla o de dar

cualiquier equipo del sistema.

tratar de parar o desviar los escapes con la mano o el

que todos los aparatos de seguridad del equipo están

bien antes de cada uso.

médico

médico DE URGENCIA

exactamente cua fluido fue.

Si se llega a inyectar este fluido en la piel se

una lesión traumática.

para investigar la toxicidad. La toxicidad es algo de

a un especialista en cirugia plástica o reconstructiva

ARA USO PROFESIONAL. RESPETE LOS A

presión muy alta. El rociado

causar

ser

DE INMEDIATO. NO

Es importante tratar quirúrgica

VES LESIONES.

VISOS DE ADVERTENCIA.

Aparatos

Asegurar funciónando bien antes de cada uso. No sacar ni modificar ningúna miento

Pestillo

Cada vez que se deje de pulverizar momento, siempre colocar el pestillo de seguridad en la posición “cerrada” lo que deja la pistola inoperante. El no hacerlo puede

Difusor

difusor de la pistola dispersa el chorro pulverizado y reduce el riesgo de inyección cuando no está instalada la boquilla. Revisar procedimiento de descarga de presión, dado más abajo, y

después

co,

sosteniéndola bien firme contra el. Utilizando la presión más bajo perso

Protector

SIEMPRE mientras contra la

colocación accidental de los dedos o cualquier

cuerpo

Seguridad

Tener ra a obstruirse mientras está pulverizando, enganchar el pes-

tillo de la pistola de inmediato. SIEMPRE seguir el pro–

cedimiento

quilla para limpiarla. NUNCA limpiar la acumulación de pintura alrededor de la

quilla y

el pestillo este enganchado.

de seguridad de la pistola pulverizadora

que todos los aparatos protectores de

pieza de la pistola pues podria causar el malfuncióna

la misma con las consiguientes lesiones personales.

de seguridad

, aunque sea por un breve

llevar al disparo imprevisto de la pistola.

con regularidad el

sacar la boquilla. Apuntar la pistola a un balde

posible, disparar la pistola.

en un chorro irregular

funciónamiento del difusor

Si el fluido emitido no sale dis

, reemplazar de inmediato el difusor

de la boquilla

tener el protector de la boquilla colocado en la pistola

se está pulverizando.

el peligro de inyección y ayuda a reducir, pero no evita,

cerca de la boquilla.

Este protector llama la atención

de la boquilla pulverizadora

mucho cuidado al limpiar o cambiar las boquillas. Si llega

de descarga de presión

antes de que se haya descargado por completo la

y después sacar la bo–

la pistola están

. Seguir el

metáli

otra parte del

bo–

presión

Procedimiento

Para

reducir el riesgo de cluyendo inyeccion o lesiones causadas por piezas en movimiento o choque electrico, siempre seguir este procedimiento o

dar servicio a cualquier

instalar

deja

2. Mover el interruptor electrico (ON/OFF) a la posicion

, limpiar o cambiar las boquillas, y cada vez que se

de pulverizar

Enganchar el pestillo de la pistola.

OFF

(apagado).

Desenchufar el cordon electrico.

de descarga de presion

sufrir graves lesiones corporales, in

al apagar la maquina pulverizadora, al revisar

parte del sistema de pulverizacion,

1,5

307–920

4. Desenganchar

metalica de la pistola bien firme contra un balde de metal,

y disparar la pistola para descargar la presion.

Enganchar el pestillo de la pistola.

6. Abrir

Si se sospecha que la boquilla o la manguera esta completamente obstruida, o que no se ha descargado por completo anterior, protector guera por

la valvula de presion y tener listo un reclipiente para recibir la pintura. Dejar la valvula de alivio de presion abierta hasta que se este nuevamente listo para pulverizar.

presion despues de haber seguido el procedimiento

aflojar MUY LENT

de la boquilla o acoplamiento de la punta de la man

y descargar gradualmente la presion, despues, aflojarlo

completo. Luego, despejar la boquilla o la manguera.

el pestillo de la pistola. Sujetar una parte

AMENTE

la tuerca de retencion del

Page 9

PELIGRO POR MAL USO DEL EQUIPO

Seguridad

Cualquier como sobre presurización, modificación de piezás, uso de matériales piezás dañadas o desgastadas, puede hacen que se rompan y causen la inyección de fluido u otras lesiones corporales graves,

NUNCA alterar o modificar ningúna pieza de este equipo; el hacerlo

REVISAR con regularidad el equipo pulverizador y reparar o reemplazar

general

mal uso del equipo pulverizador o

y productos quimicos incompatibles, o utilización de

incendio, explosión o dañon a la propiedad.

podria causar una avería.

de inmediato las piezás dañadas o desgastadas.

los accesorios, tal

SEGURIDAD EN EL USO DE LAS MANGUERAS

fluido que escapa a alta presión por las mangueras puede ser

muy

peligroso. Si en la manguera se desarrolla un escape, una rotura o rajadura debido a cualquier tipo de desgaste, daño o maltrato, una lesion por inyección u otras lesiones corporales graves o daños

!TODAS LAS MANGUERAS PARA FLUIDOS TIENEN QUE TENER

Estas en los acoplamientos o cerca de ellos, los que podrian traducirse

Antes El fluido a alta presión puede o

dejar que por el escape un chorro a alta presión.

NUNCA usar una manguera que está dañada. Siempre, revisarla abultada, o acoplamientos sueltos o dañados. Si llegara a contrarse cualquiera de estás condiciónes, reemplazar de inmediato la manguera. NO intentar racoplar una manguera de alta presión o enmendarla con cinta adhesiva u otro matérial similar. Una manguera que ha sido remendada no aguante el fluido

el chorro a alta presión emitido por alli puede causar

a la propiedad.

GUARDAS DE RESORTE EN AMBOS EXTREMOS!

protegen las mangueras contra dobleces o

en roturas de la manguera.

de usarlas, APRET

en busca de cortaduras, escapes, abrasion, cubierta

a alta presión.

AR bien firmes

desalojar

todas las conexiones.

un acoplamiento suelto

retorceduras

Presión

está

presión

pulverizador tar la presión máxima de trabajo ceder la presión máxima de trabajo de ningún componente o accesorio

del sistema

pulverizadora puede desarrollar

DE TRABAJO MÁXIMA

y sus accesorios

de este sistema.

. Asegurar que todo el equipo

tienen la capacidad para aguan

de está pulverizadora. NO ex

210 barías (3000 psi) de

Compatibilidad de fluido

Siempre leer las instrucciónes del fabricante del fluido y sol-

antes de usarlos en está pulverizadora, dadas en la pági

vente na

44.

Siempre usar gafas, guantes, vestimetas protectora y un respiradero, tal como recomiendan los fabricantes del fluido y del

solvente.

MANEJAR

No o solv entes que sean incompatibles con el tubo interno y la cubierta ras sobr

Continuidad

Y P

ASA

ira

r d

e las m

anguera

dela m

anguera

e 8

2) C (180) F) o bajo –

del circuito de puestá a tierra de la

R C

UIDADOSAMENT

s para m

. N

O e

xpone

E LAS M

ove

r e

l e

quipo

r las m

anguera

40) C (–40) F).

ANGUERAS.

. N

o usar f

s a t

luidos

emperatu-

manguera

continuidad del circuito de puestá a tierra apropiado es esen

cial para mantener conectado a tierra

indispensable revisar la

Es mangueras de aire y de fluido por lo menos una vez a la semana. Si la manguera no tiene una etiqueta en la cual se especifica la resistencia eléctrica, ponerse en contacto con el proveedor o fabricante de la manguera para la información

los límites de resistencia. Usar

sobre la

gama apropiade para comprobar la resistencia; si excede

límites

recomendados, reemplazarla de inmediato. Es muy riesgado a tierra en malas condiciónes. Leer también la información sobre

tener una manguera sin

RIESGO DE INCENDIO O EXPLOSION

resistencia eléctrica máxima de las

el sistema pulverizador

un metro de resistencia en

los ar

puestá a tierra o con la puestá

, más arriba.

PELIGRO DE INCENDIO O EXPLOSION

flujo a alta velocidad

guera

crea electricidad estática. Si pulverizador no tienen buena tierra, pueden ocurrir chispas, convirtiendo al sistema en algo peligroso. T ambién, pueden producirse chispas a enchufar o desenchufar el cordón electrico inflamar verizado, particulas de polvo y otras sustancias in flamables, sea o Enchufar siempre la pulverizadora a un tomacorriente que se encuentre que se va a rociar. No enchufar o desenchufar ningún cordón electrico ista

Si choque electrico mientras se usa el equipo, DEJAR DE PULVERIZAR una

identificado

Peusta

Para pulverisadora se encuentre en el lugar que se va a rociar . CONSULTAR el codigo conexiones a tierra exigidas para la zona y tipo de equipo. ASEGURAR

o al usar un motor de gasolina. estás chispas pueden

los vapores de los

al aire libre o bajo techo, lo

incendio y graves lesiones corporales y daños al a propiedad.

a por lo menos 6 m (20 pies) de la maquina

en el lugar donde se está rociando cuando todavia ex

la posibilidad de que queden vapores inflamables en el aire.

ocurre una chispa de electricidad estática o

DE INMEDIATO. Revisar todo el sistema en busca de

tierra apropiada. No

y soluciónado el problema.

a tierra

reducir el reisgo de chispas estáticas, conectar a tierra la

Pulverizadora:

sor, tomacorreinte con puesat a tierra aporpiado. No usar un adaptador. Totos los cables extensores tienen que tener très

y todo el otro equipo de

electrico de la localidad

de conectar a tierra todo

cada uno un enchuf de très patas

hilos y una capacidad de 15 amperios.

del fluido al pasar por la bomba y man

solventes y el chorro de fluido pul

que podria causar una explosión

usar de nuevo el sistema hasta haber

para las instrucciónes sobre las

enchufar el cordón electrico, o cable exten

todas las partes del equipo

y del area

incluso un ligero

pulverisar que se use o

este equipo pulverisador:

en buen estádo, a un

Mangueras para fluidos:

puestá

a tierra de una longitud combinada de 150 m (500

pies),

para asequrar buena continuidad a tierra. Referirse

también al párrafo sobre continuidad a tierra de la

manugeura.

guera

Suministrar un recipiente:

localidad.

Objeto

local.

Todos

conformidad

Pistola:

metal,

superficie no conductiva, como papel o cartón, que interumpe

Para mantenar la continuidad a tierra durante el lavado o

hace la puestá a tierra conectándola a una man-

de fluido y pulverizadora bien conectadas a tierra.

que se está rociando:

los baldes de solvente

con el código local. Usar

que sean conductivos. no colocar el balde en una

la continuidad a tierra.

descarga de presión,

la pistola

de después

bien firme contra el costado del

apretar el gatillo.

usar solamente mangueras con

de acuerdo al código de la

de conformidad con el

usados durante el lavado, de

solamente baldes de

siempre apoyar una parte metálica

Seguridad durante el lavado

Para

reducir el riesgo de que se inyecte o salpique fluido en piel, o que ocurra una descarga de electricidad estática, siempre seguir las INSTRUCCIÓNES P ARA EL LA VADO, dadas

en la página 14. Seguir el

presión

lavar.

el costado de un posible

en la págna 8, y quita la

Apoyar una parte metalica de la pistola bien firme contra

balde de metal

de fluido durante el lavado.

procedimiento de descarga

boquilla rociadora antes de

y usar le presión más baja

307–920

codigo

balde de metal,

Page 10

ON/OFF SWITCH

PRESSURE ADJUSTING KNOB

SETUP

PLUG FOR

SECONDARY

HOSE OUTLET

FILL THE

PACKING NUT/

WET–CUP

1/3 FULL

WITH TSL

1/4

npsm(m) FIL

OUTLET NIPPLE

DO NOT INST

SHUT

OFF DEVICE

FLUID FIL

TER

ALL ANY

HERE

TER

PRESSURE DRAIN

ALVE

MAIN HOSE

WHIP HOSE

RAC IV TIP GUARD

Fig

WARNING

you are supplying your own hoses and spray gun, be sure the hoses are electrically conductive, that the

gun has a tip guard, and that each part is rated

for at least

3000 psi (210 bar) Working Pressure

This is to reduce the risk of serious bodily injury caused by static sparking, fluid injection or over– pressurization

1. Connect Hose and Gun. NOTE:

When tightening fittings at hold

and rupture of the hose or gun.

Refer to Fig 2.

the pressure control,

one wrench firmly on the hex of the pressure control fitting to keep it from rotating. Use another

wrench to tighten the mating fitting.

a. Remove

screw fluid

the cap from the filter outlet nipple and

on a 50 ft

(15.2 m)

(minimum length)

hose onto the nipple.

b. For more flexible gun movement, connect a

short,

smaller diameter

, whip

hose between the

main fluid hose and the gun inlet connection.

c. Don’t use thread sealant, and don’t install the

spray

tip yet!

307–920

main

2. Two Gun Hookup.

Remove tach

the cap from the 1/4 npsm(m)

an accessory hose and gun.

See Fig 2.

nipple and at

CAUTION

To avoid damaging the pressure control, which may result in poor equipment performance and component

damage, follow these precautions:

1. Always use nylon spray hose at least 50 ft (15.2 m)

2. Never act

3. Never ter

4. Always eration.

long.

use a wire braid hose as

as a pulsation dampener

install any shutof

and the main hose.

f device between the

See Fig 3.

it is too rigid to

use the main filter outlet for one gun op

Never plug this outlet.

fil

Page 11

Fill Packing Nut/W

Fill the packing nut/wet–cup 1/3 full with Graco Throat

Seal Liquid (TSL), supplied.

Check the Electrical Service.

a. Be sure the electrical service is 120 V

Amp (minimum) and that the outlet

properly

Do ply cord, which is the grounding prong, and do not

c. Use an extension cord which has 3 wires of a

minimum ft. (45 m) long. Longer lengths may af er

Plug

OFF. electrical outlet at least 20 ft. (6 m) away from the spray

grounded.

not remove the third prong of the power sup

use an adapter

performance.

the Sprayer .

See Fig 4.

area.

et–Cup.

12 gauge size, and a maximum of 150

Then plug the cord into a grounded

See Fig 3.

Be sure the ON/OFF switch is

SETUP

, 60

HzAC,

you use is

fect spray

WARNING

Proper electrical grounding is essential to reduce the

risk of fire

ous

bodily injury and property damage. Refer to the warning section on

page 5

6. Flush

was

left in to protect pump parts after factory testing.

a. Before using water–base material, flush with

mineral a

b. Before using oil–base material, flush with min-

eral

c. See FLUSHING GUIDELINES on page 15 for

the

7. Prepare the material according to the manufactur-

recommendations.

er’s

or explosion which can result in seri

FIRE OR EXPLOSION

for more detailed grounding instructions.

the pump

clean water flush.

spirits only

flushing procedure.

to remove the lightweight oil which

spirits followed by soapy water

HAZARD

, and then

307–920

Page 12

OPERATION

WARNING

Pressure Relief Procedure

reduce fluid or

on the skin, or injury

shock,

the risk of serious bodily injury

injection, splashing fluid

from moving parts or electric

always follow this

procedure whenever you

, including

or solvent in the eyes

shut off the sprayer , when checking or servicing any part of the spray system, when installing, cleaning stop

2. Turn the ON/OFF switch to OFF

or changing spray tips, and whenever you

spraying.

Engage the gun safety latch.

Disengage the gun safety latch. Hold a metal part

of the gun firmly to the side of a

grounded metal pail, and trigger the gun to relieve pressure.

Engage the gun safety latch.

5. Open the pressure drain valve, having a container ready to catch the drainage. Leave the valve

open until you

are ready to spray again.

If you suspect that the spray tip or hose is com-

clogged, or that

pletely relieved

around pling

after following the steps above,

the tip guard retaining nut or hose end cou

and

VER

Y SLOWL

pressure has not been fully

wrap a rag

Y loosen the part to relieve pressure gradually, then loosen completely . Now clear

the tip or hose.

6. To prime the pump , hold a metal part of the gun

firmly against and aimed into a metal waste container.

See Fig 6.

turn the ON/OFF switch to ON, and slowly in

open,

Squeeze the trigger and hold it

crease the pressure setting until the sprayer starts. Keep

the gun triggered until

all air is forced out of the system and the material flows freely from the gun. Release

the trigger and engage the gun safety

latch.

NOTE: If the pump is hard to prime, place a container

under the pressure drain valve and open it. When

fluid comes from the valve, close it. Then

disengage

MAINTAIN

MET

AL T

CONT

Fig 3

the gun safety latch follow Step 6.

FIRM

O MET

ACT WHEN

FLUSHING

7. Check all fluid connections for leaks . If any are

found,

follow the

to the left, before tightening connections.

ing,

Pressure Relief Procedure W

arn-

Startup

Use this procedure each time you start the sprayer to help

ensure the sprayer

start

it safely

NOTE: For the first time startup, be sure to flush the

sprayer

1. Close

stalled curely

first. See page 15.

the pressure

a secondary hose, be

plugged with the plug provided.

2. Don’t install a spray tip in the gun yet!

3. Put the suction tube into the material container.

4. Lower

the pressure

adjusting knob all the way

5. Disengage the gun safety latch.

is ready to operate and that you

drain valve.

If you have not in

sure the adapter is se

See Fig 4.

setting

by turning the pressure

counterclockwise.

See Fig

See Fig 7.

Install the Spray Tip and Tip Guard. Be sure the

gun safety latch is engaged.

tip. If using the RAC IV DripLess tip guard, re

spray fer

to manual 307–848, supplied with the gun, for in

stallation

Adjust the Spray Pattern

a. Check

instructions.

your material manufacturer’s spray

sure

recommendations. While the

ing,

increase or decrease the pressure adjusting

See Fig 7.

gun is spray

Install the

pres

knob setting until the pressure gauge reads the correct

b. To avoid excessive overspray and fogging, and

to decrease tip wear and extend the life of the

pressure range.

sprayer, always use the lowest possible pressure

needed to get the desired results.

If more coverage is needed, use a larger tip rather

than increasing the pressure.

Test

the spray pattern. T

o adjust the direction of the spray pattern, engage the gun safety latch and loosen the retaining nut. Position the tip guard

horizontally for a horizontal pattern or ver

tically

for a vertical

pattern. Then tighten the re

taining nut.

307–920

Page 13

PRESSURE

SECONDARY

HOSE OUTLET

ADJUSTING KNOB

ROTA

TE CLOCKWISE T

INCREASE PRESSURE

FLUID FIL

PLUG FOR

ON/OFF SWITCH

TER

OPERATION

Clean the front of the tip frequently during the day’s operation. First, follow the Pressure Relief Proce-

dure

the spray tip clogs and you

DripLess Tip Guard, release the gun trigger , en-

gage the gun safety latch, and rotate the RAC IV handle

Disengage the gun safety latch and trigger the gun into a waste container. Engage the gun safety latch again.

Return the

5. If the tip is still clogged, engage the gun safety latch, shut sure tip as shown in manual 307–848, supplied with the RAC

arning

on page 12.

are using a RAC IV

180).

See Fig 5.

the handle to the original position, disengage

gun safety latch, and resume spraying.

f and unplug the sprayer

, and open the pres-

drain valve to relieve pressure. Clean the spray

1/4

npsm(m) FIL

OUTLET NIPPLE

DO NOT INST

ANY SHUT

DEVICE HERE

PRESSURE DRAIN V

Fig

TER

ALL

OFF

ALVE

Cleaning a Clogged Tip

WARNING

reduce the risk of serious bodily injury from from

fluid

injection:

NEVER moved.

DO NOT hold your hand, body, or a rag in front of the tip. waste container when checking to see if the tip is clear.

operate the spray gun with the tip guard re

spray tip when Always point the gun toward the ground

cleaning or checking a clogged

or into a

NOTE: If you are using any other kind of tip guard

and spray tip, follow the instructions supplied

with

them for cleaning a clogged tip.

HANDLE

SPRA

TURN HANDLE 180_, DISENGAGE SAFETY

LATCH AND TRIGGER

GUN TO CLEAR CLOG

SHOWN IN

YING POSITION.

GUN

SAFETY

TCH SHOWN

ENGAGED

CONTRACTOR GUN AND

Fig

RAC IV DripLess TIP GUARD SHOWN

NOT try to “blow back”

air

spray sprayer

material; this is NOT an

307–920

Page 14

SHUTDOWN

WARNING

reduce the risk of serious bodily injury

fluid

injection or splashing in the eyes or on the skin,

injury from moving parts, always follow the

Relief Procedure W

sure

checking,

adjusting, cleaning and shutting down the

arning

on page 12 before

sprayer.

Check

the

1. pressure.

packing nut/wet–cup daily. First relieve

Be sure the wet–cup

is 1/3 full of TSL at all times to help prevent fluid buildup on the piston rod and premature wear of packings. The packing nut should be tight enough to stop leakage, but no tighter. Overtightening may cause binding and excessive packing wear. Use a round punch or brass rod

and light hammer to adjust the nut.

Clean

the fluid filter often

and whenever the spray er is stored. First relieve pressure. Refer to manual 307–273,

Lubricate the bearing housing after every 100

supplied, for the cleaning procedure.

hours of operation. Remove the front cover. Fill the bearing housing cavity with SAE non–detergent oil. See

Fig 7.

, including

See Fig 6.

Pres

AND

CARE

ACKING NUT/WET–CUP

1/3 FULL WITH TSL

TIGHTEN

FILL

THE

4. Flush

the sprayer at the end of each work day

fill

it with mineral spirits to help prevent pump corro

and freezing. See

sion page

15.

FLUSHING GUIDELINES on

and

CAUTION

To prevent pump corrosion, and to reduce the chance trol material can of

of fluid

freezing in the pump or pressure con

in cold weather, never leave water or any type of

in the sprayer when it

is not in use. Freezing

seriously damage the sprayer or result in a loss

pressure or stalling.

5. For very short shutoff periods, leave the suction

in the material, relieve pressure, and clean

tube spray

tip.

Coil

the hose and hang it on the

it, even for overnight, to help protect the hose

storing from

kinking, abrasion, coupling damage, etc.

hose rack

the

when

Fig 6

LUBRICATE BEARING

HOUSING AFTER

EVER

OF OPERA

NON-DETERGENT OIL.

Y 100 HOURS

TION. USE SAE

307–920

Fig

Page 15

FLUSHING GUIDELINES

When to Flush

1. New

2. Changing

4. Changing

5. Storage.

Sprayer

. Your new sprayer was factory tested

in lightweight oil which was left in to protect pump parts.

Before

using water–base material

flush with mineral spirits followed by soapy water , and then a clean water

flush.

Before using oil–base material,

flush with mineral

spirits.

Colors.

Changing from water–base to

Flush

with warm, soapy water

Flush with a compatible solvent.

oil–base

material.

, then mineral spirits.

from oil–base to water–base material.

Flush with mineral spirits, followed by warm, soapy water,

then a clean water flush.

Water–base material:

flush with water, then mineral

spirits. Relieve pressure.

Oil–base

material:

flush with

mineral spirits. Relieve

pressure.

CAUTION

NEVER leave water in the sprayer if there is the slightest with mineral spirits. Water left to freeze in the pressure control tube prevents the sprayer from being started control.

chance it could

and causes

serious damage to the pressure

freeze. Push the water out

3. Close

4. Put

the pressure drain valve.

the suction tube in a grounded metal pail of com

patible

solvent.

Remove the spray tip from the gun, if it is installed.

WARNING

reduce the risk of static sparking and splashing, always a into

6. Lower the pressure setting by turning the pressure

remove the spray tip

metal part of

the gun firmly to the side of and aimed

from the gun, and hold

a grounded metal pail when flushing.

adjusting

MET

knob all the way counterclockwise.

MAINTAIN

AL T

CONT

FIRM

O MET

ACT WHEN

FLUSHING

6. Startup

Before eral

after storage.

using water–base material, flush out the min

spirits with soapy water and then a clean water flush. When using oil–base material, flush out the mineral

spirits with the material to be sprayed.

How to Flush

1. Follow

2. If

the

Pressure Relief Procedure W

page

12.

the sprayer has been

used before, remove the filter bowl and screen; see manual 307–273, supplied. Clean

the

screen separately and install the bowl with

out

the screen to flush it.

FILTER

BOWL

SCREEN

FIL

TER

SUPPORT

See Fig 8.

arning

Fig 9

7. Hold

a metal part of the gun firmly against and aimed

into a metal waste container

See Fig 9.

trigger and hold it open, turn the ON/OFF switch to ON, and slowly increase the pressure setting until the

sprayer starts. Keep the gun triggered until all air is forced out of the system and the solvent flows freely

from the gun. Release the trigger and engage

the

gun

safety latch. This procedure helps reduce the

risk

of static sparking and splashing.

NOTE: If the pump is hard to prime, place a container

under the pressure drain valve and open it. When

fluid comes from the valve, close it.

8. Remove the suction tube from the pail. Disengage the

gun safety latch and trigger the gun to force sol vent from the hose. Do not let the pump run dry for more

than 30 seconds

packings!

Relieve pressure.

to avoid damaging the pump

9. Leave the pressure drain valve open until you are ready

to use the sprayer again. If the screen was re moved, screen.

unscrew the filter bowl and reinstall the clean Reinstall the bowl, hand tight only

Squeeze the

PRESSURE

DRAIN VALVE

Fig 8

10. If

you flushed with

mineral spirits and are going to use a water–base material, flush with soapy water followed

by a clean water flush. Relieve pressure.

307–920

Page 16

TROUBLESHOOTING

WARNING

Pressure

To reduce the risk of serious bodily injury , including fluid injection, injury from splashing fluid or solvent in the always sprayer, when checking or servicing any part of the spray system, when installing, cleaning or changing spray

2. Turn the ON/OFF switch to OFF

Relief Procedure

eyes or on the skin, moving parts or electric shock,

follow this procedure whenever you shut of

f the

tips, and whenever you stop spraying.

Engage the gun safety latch.

Unplug the power supply cord.

GUIDE

4. Disengage of the gun firmly to the side of a grounded metal pail,

Engage the gun safety latch.

Open ready to catch the drainage. Leave the pressure drain

you suspect that the spray tip or hose is completely

clogged, ter

following the steps above,

guard retaining nut or hose end coupling and VER Y SLOWLY then

loosen completely

the gun safety

latch. Hold a metal part

and trigger the gun to relieve pressure.

the pressure drain valve, having a container

valve open until you are ready to spray

again.

or that pressure has not been fully relieved af

wrap a rag around the tip

loosen the part to

relieve pressure gradually

. Now clear the obstruction.

Check everything in the guide before disassembling the sprayer

MOTOR

TYPE

Basic Fluid Pressure Problems

Basic

Basic Electrical Problems

WON’T OPERA

OF PROBLEM

Mechanical Problems

WHAT T

check is OK, go to the next check.

1. Check the pressure

2. Check for a clogged spray tip. See your

2. Check displacement pump connecting

3. Check for motor damage. Remove drive

1. Check sprayer circuit breaker (309) but-

2. Check electrical supply with volt meter .

3. Check

4. Check sprayer power supply cord (311)

5. Check motor brush leads, terminals and

O CHECK

The motor will not run if it is at the minimum setting (fully counterclockwise).

separate Check for frozen or hardened material in

the pump (39) and/or pressure control bourdon fully try to rotate fan at back of motor by hand.

rod into connecting rod (3) and retaining spring (35) must be firmly in groove of connecting

housing assembly (2). See page 33. Try to

ton

Meter

Use cord

for tion or wires.

brush minimum.

gun or tip instruction manual.

tube. Using a screwdriver

See page 22.

pin (20).

rotate fan by hand.

to be sure it has not popped up.

a volt meter or test lamp at extension

visible damage such

It must be completely pushed

rod. See page 32.

should read 105–125 V

extension cord for visible damage.

outlet to check.

length. Brush length should be 1/2”

See page 25.

control knob setting.

as broken insula

AC.

, care

WHAT T

If check is not OK, refer to this column.

1. Slowly

2. Relieve

Thaw!. Plug

2. Push pin into place and secure with the

1. Depress button to reset. If circuit breaker

2. Reset

3. Replace extension cord.

4. Replace power supply cord. See page 26.

5. Tighten terminal screws; replace brushes.

O DO

increase the pressure

the motor starts.

crease pressure setting to see if motor starts. pump packings (see page 36) and/or replace

29.

spring

Replace motor (1) if fan won’t turn.

continues page 22.

ing

See

pressure, refer to your separate gun

tip instruction manual for tip cleaning.

in sprayer and turn on. Slowly in

If it doesn’t, replace the

the pressure control (301)@. See page

retainer

building circuit breaker; replace build

fuse. T

page 25.

to open, see ‘Electrical Short’ on

ry another electrical outlet.

setting to see

displacement

! Thaw

area. should 36

the sprayer if water

Do not try to start the sprayer until it has thawed completely

operate. If material hardened (dried) in the sprayer

or page 29.

or water–based material has frozen in it, due to exposure to low temperatures, by placing it in a warm

307–920

, the pump packings and/or pressure control must be replaced. See page

. If the bourdon tube was not damaged by the freezing, the pump

Page 17

MOTOR

WON’T OPERA

TYPE

OF PROBLEM

Diagnosing dicator lamps. The normal con dition

when board is telling pump

to run.

dure W

from hose. Remove pressure control cover and check for faulty condition of circuit board lamps.

Condition A

Both lamps on; pump won’t operate and motor is not running

circuit board in–

is red lamp on, clear

Pressure Relief Proce

arning

. Remove gun

lamp

WHAT T

check is OK, go to the next check.

1. Check leads from bridge (308)

O CHECK

be sure they are securely fastened and properly

mated.

to motor to

2. Check G1 and G2 connections between board (23) and bridge (308) for dam

circuit

or loose terminals.

age

3. Check

for loose motor brush lead connec

tions and terminals. See page 25.

4. Check brush length which should be 1/2”

minimum.

See page 25.

NOTE: The brushes do not wear at the same rate on both sides of the motor .

both brushes.

Check

5. Check for broken or misaligned motor

springs. Rolled portion of spring must

brush rest

squarely on top of brush. See page 25.

6. Check motor brushes for binding in brush

holders.

See page 25.

7. Check motor armature commutator for

burn spots, gouges and extreme roughness. Remove motor cover and brush inspection

8. Check

mature See

plates to check. See page 25.

motor armature for shorts using ar

tester (growler) or perform spin test.

page 22.

9. Check bridge (308) by substituting with a

bridge or performing bridge test.

good page

23.

CAUTION:

mature

Do not perform this check until ar

is determined to be good. A bad mature will immediately burn out a good bridge.

WHAT T

O DO

If check is not OK, refer to this column.

1. Replace sure firmly

loose terminals; crimp

male terminal blades

are straight and

connected to mating part.

2. Clean circuit board male terminals. Re-

place loose or damaged terminals. Se-

reconnect leads.

curely

3. Tighten if

Replace brushes. See page 25.

terminal screws. Replace

leads are damaged. See page 25.

5. Replace spring if broken. Realign spring

brush. See page 25.

with

6. Clean

brush holders. Remove carbon with

small cleaning brush. Align brush leads

slot in brush holder to assure free

with

brush movement.

cal

7. Remove face

8. Replace

motor

and have motor shop resur

commutator

motor

. See page 34.

if possible. See page 34.

Replace bridge. See page 27.

See

to leads. Be

brushes

verti

Condition

Both

lamps of

REFER

(continued)

O THE

WIRING

DIAGRAM ON PAGE 19 TO IDENTIFY TEST POINTS (TP).

1. Check

circuit braker

has not popped up.

(309) button to be sure

2. Check power supply cord (31 1). Discon TP6 female and TP1 female and con

nect nect volt meter to these leads. Plug in sprayer. Meter should read 105 to 125

Unplug sprayer. Reconnect TP1.

VAC.

3. Check ON/OFF switch (303). Disconnect and connect volt meter to TP6 female

TP2 and

TP2 male. Plug

Meter

unplug sprayer

and

4. Check

should read 105

jumper wire (306). Disconnect TP3

in sprayer and turn on.

to 125 V

AC. T

urn of

. Reconnect TP2.

and connect volt meter to TP6 female and TP3 female. Plug in sprayer and turn on.

should read 105

Meter

unplug sprayer

and

to 125 V

AC. T

. Reconnect TP3.

urn of

5. Check circuit breaker (309). Connect volt

meter to TP6 female and TP4. Plug in

and turn on. Meter should read 105

sprayer to

125 V

AC. T

urn of

f and unplug sprayer

6. Check motor thermal cutout switch. Con volt

nect

meter to TP6 female and TP9 fe male. Plug in sprayer and turn on. Meter should read 105 to 125 VAC. Turn of

f and

unplug sprayer.

1. Depress

2. Replace

3. Replace

6. Allow

or fuse continues to open, see “Electrical

button to reset. If circuit breaker

Short”,

page 21.

power supply cord. See page 26.

ON/OFF switch. See page 26.

Replace jumper wire. See page 28.

Replace circuit breaker

motor to

heating.

cool. Correct cause of over

If switch remains

. See page 27.

open after mo

tor cools, check continuity between TP9

and TP10 with ohmmeter

female replace

motor

. If open,

307–920

Page 18

MOTOR

WON’T OPERA

TYPE

OF PROBLEM

Condition B

Both

(continued)

lamps of

REFER TO THE WIRING DIAGRAM ON BELOW TO IDENTIFY T EST POINTS (TP).

WIRING

TP16

WHAT T

check is OK, go to the next check.

O CHECK

7. Check microswitch (302).Reconnect TP6 connectors.Connect volt meter to TP15

and TP4. Meter should read

male VAC.

8. Visually

inspect

microswitch (302) button. Adjustment stud should not depress the microswitch

button when fluid pressure is

zero. Manually check by depressing but-

with small screwdriver; an audible click

ton indicates

microswitch is in normal position.

9. Check microswitch (302) continuity with meter

ohm Meter should pressure

10.Check

Be sure sprayer is unplugged!

read

in the sprayer

all terminals

zero ohms with no fluid

for damage or loose fit.

Reconnect TP6 connectors.

11.Check circuit board (23) by substituting

with

a good board. See page 29.

TP1

303

TP2

TP6

TP7

DIAGRAM

BLUE

WHITE

YELLOW

BLACK

RED

302

TP15

TP14 TP13

309

AC1 AC2G2

50–125

306

WHAT T

O DO

If check is not OK, refer to this column.

7. Clean microswitch male terminals. Replace loose or damaged terminals. Se-

reconnect leads.

curely

8. Microswitch is faulty . Return sprayer for repair.

9. Microswitch is faulty . Return sprayer for repair.

10.Replace damaged terminals and reconnect securely.

Replace circuit board. See page 28.

11.

TP3

TP4 TP10

TP9

308

MOTOR

LEADS

Condition

Red

lamps on,

Clear lamp of

Unplug sprayer!

NOTE: These leads have

interchangeable connections:

TP9 and TP10 TP13 and TP14 TP15 and TP16

WHITE

TP8

by removing from

1. Check box page

BLACK

GREEN

GROUND

WIRE

POWER SUPPLY CORD

circuit board (23)

without

disconnecting wires; see

29 for removal procedure.

WARNING: Removing the circuit board

still wired over–rides

while

the optical detec tor which could cause the sprayer to over– pressurize,

properly

tion enough

to check lamp condition, then shut of

if the microswitch

. T

urn the sprayer on

does not func

ONLY

long

immediately. WARNING: To reduce the risk of electric

shock, handle board by edges only! Do not allow any metal objects to come in contact

the board!

with

Plug in and turn on sprayer . Clear lamp should be on now – removing the circuit board over–rides the optical detector .

Turn

2. Check

f and unplug the sprayer

bourdon

tube flag and detector po

sition. Reinstall circuit board (see page

29). Turn pressure setting to maximum; should extend

flag optical

detector slot from the bottom.

less than half way into

MOTOR

THERMAL SWITCH

Replace circuit board. See page 28.

FLAG

OPTICAL

DETECTOR

CIRCUIT

BOARD

2. Adjust pressure control to see if that cor problem. See page 30.

rects

not, replace pressure control (301)@. See

page

29.

307–920

Page 19

LOW

OUTPUT

WHAT T

check is OK, go to the next check.

1. Check for worn spray tip.

3. Check electrical supply with volt meter.

4. Check extension cord size and length;

6. Check stall pressure. Refer to Calibra-

9. Check for worn motor brushes which

10.Check

11.Check motor brushes for binding in

12.Check circuit board (23) by substituting

13.Check

14.Check

CAUTION:Do armature is determined to be good. A bad armature will immediately burn out a good bridge.

O CHECK

Check to see that pump does not continue to stroke when gun trigger is released. Plug in and turn on sprayer . Prime with material. T rigger gun momentarily, then release and engage safety latch. Relieve pressure, turn of f

unplug sprayer

and

Meter

should read 105–125 V

must be at least 12 gauge wire and no

than 150 ft.

longer Check G1 and G2 leads from bridge

to circuit board (23) for damaged or

(308) loose

wires or connectors. Refer to page

27.

tion

Procedure on page 31.

Check bridge (308) + and – leads and terminals tion ing.

Check for loose motor brush leads and terminals.

should

brush springs. Rolled portion of spring must

brush

with

ing an armature tester (growler) or perform

good test.

to motor and terminals for signs of See page 27.

See page 25.

be 1/2” minimum. See page 25. for broken and misaligned motor

rest squarely on top of brush.

holders. See page 25.

a good circuit board. See page 28.

motor armature for

spin test. See page 22.

bridge (308) by substituting with a

bridge or by performing the bridge

See page 23 or 27.

not perform

AC.

. Inspect wiring insula

overheat

shorts by us

this check until

WHAT T

If check is not OK, refer to this column.

1. Follow Pressure Relief Procedure

3. Reset building circuit breaker; replace

4. Replace

5. Clean circuit board male terminals. Re-

6. Adjust

8. Tighten terminal screws. Replace

10.Replace

11.Clean brush holders, remove carbon

12.

13.

14.

O DO

Warning

rate Service pump. See page 36.

building fuse. Repair electrical outlet or try

sion

place loose or defective lead terminals. Securely reconnect lead terminals to board.

Be sure male terminal blades are centered minals. Replace any loose terminal or damaged wiring. Securely reconnect wires

brushes

28. Replace brushes. See page 25.

with

dust with small cleaning brush. Align brush sure

Replace circuit board. See page 28.

Replace motor

Replace bridge. See page 27.

then replace tip.

gun or tip manual.

another outlet.

with a correct, grounded exten

cord.

pressure control. See page 30.

and firmly connected to female ter

to bridge.

if leads are

spring if

brush. See page 25.

lead with slot in brush holder to as

free vertical brush movement.

broken. Realign spring

. See page 34.

See your sepa

damaged. See page

Troubleshooting

continued on the next page

307–920

Page 20

OUTPUT

TYPE

OF PROBLEM

Motor runs and pump strokes

runs but pump does not

Motor stroke

WHAT T

check is OK, go to the next check.

1. Check

3. Check

4. Check

1. Check displacement pump connecting

2. Check connecting rod assembly for

3. Be sure crank in drive housing rotates;

O CHECK

material supply

Check for clogged intake strainer

for loose suction

to see if intake valve ball and pis

ton ball are seating properly. See page

36. Check

for leaking around throat packing

nut which may indicate worn or dam-

packings. See page 36.

aged

rod

pin. See page 32.

damage.

plug to check. Turn off and unplug sprayer . See

See page 32.

in sprayer and turn on momentarily

page 33.

tube or fittings.

WHAT T

If check is not OK, refer to this column.

3. Tighten; use thread sealant or sealing

4. Remove intake valve and clean. Check

5. Replace packings. See page 36. Also

1. Replace pin if missing. Be sure retainer

2. Replace connecting rod assembly . See

3. Check drive housing assembly for dam-

O DO

Refill and reprime pump. Remove and clean, then reinstall.

on threads if necessary

tape

and seats

balls

See page 36.

sary.

piston

check terial or nicks and replace if necessary.

spring is fully in groove all around connecting

32.

page

age and replace if necessary. See

33.

for nicks; replace if neces

valve seat for hardened ma

rod. See page 32.

page

EXCESSIVE

TYPE

Spray pattern variations.

PRESSURE FLUCTUA

OF PROBLEM

TIONS

WHAT T

check is OK, go to the next check.

1. Be sure both G1 and G2 leads from

Check pressure control adjustment. Re

3. Check bourdon tube flag and detector

5. Check LOW OUTPUT section on page

O CHECK

bridge (308) to circuit board (118) are

connected. See page 28.

firmly

to procedure on page 30.

fer

position. mum;

detector slot of circuit board.

cal

Check with

19.

urn pressure setting to

flag should not drag or bind in opti

CIRCUIT BOARD

OPTICAL DETECTOR

FLAG

circuit board (1

a good board. See page 28.

18) by substituting

maxi

WHAT T

If check is not OK, refer to this column.

1. Reconnect securely

3. Carefully bend flag into alignment with

4. Replace circuit board. See page 28.

O DO

. See page 28.

Adjust pressure control. See page 30.

detector lem. sembly (301)@. Adjust pressure control after reassembly

slot to see if that corrects prob

If not, replace pressure control as

307–920

Page 21

MOTOR

IS HOT & RUNS INTERMITTENTL

WHAT T

check is OK, go to the next check.

1. Check to see if sprayer has been operating at high pressure with small tips, which causes

heat build up.

sive

2. Be

sure ambient temperature where

located is no more than 90 F and sprayer is

not

located in direct sun.

3. Check to see if sprayer has been left in a stalled condition (sprayer turned on, pressurized, time.

ELECTRICAL

TYPE

OF PROBLEM

Building as soon as sprayer switch is

on.

turned

SHORT

circuit breaker opens

CAUTION

Any short in any part of the motor power circuit, which is connected to the output side of the bridge, will cause the bridge to burn out immedi-

Correctly diagnose and

ately. repair

all shorts before

and replacing bridge.

ing

check

O CHECK

low motor RPM and results in exces

sprayer

but not operating) for long periods of

WHAT T

check is OK, go to the next check.

1. Check tion, Also check wires between pressure control and See

2. Check page metal contact points which could cause a short.

3. Check motor armature for shorts by using an

armature See

4. Check bridge

23.

CAUTION:Do

is determined to be good. A bad armature will

ture immediately

O CHECK

all electrical wiring for damaged insula

and all terminals for loose fit or damage.

motor which are encased in conduit (22).

page 35.

for missing inspection plate gasket (see

25), bent terminal forks or other metal to

tester

page 22. Inspect windings for burns.

bridge (308)

or by performing bridge test. See page

(growler) or perform spin test.

by substituting with a good

not perform this check until arma

burn out a good bridge.

WHAT T

If check is not OK, refer to this column.

1. Decrease

3 Turn of f sprayer whenever you stop

O DO

tip size.

Move possible.

spraying for a while and relieve fluid pressure.

pressure

sprayer to shaded,

setting or increase

cooler area if

WHAT T

If check is not OK, refer to this column.

1. Repair or replace any damaged wir-

O DO

ing or terminals. Securely reconnect all wires.

Correct faulty conditions.

Replace motor

Replace bridge. See page 27.

. See page 34.

Building circuit breaker opens as soon as sprayer is plugged into outlet and sprayer

Sprayer after 10

is NOT turned on.

circuit breaker opens

sprayer

minutes.

operates for only 5 to

1. Check ‘Basic Electrical Problems’ on page

16.

2. Check ON/OFF switch (302). See page 26.

sure the sprayer

wires

from switch. Check switch with

The reading should be infinity with the ON/

ter. OFF switch OFF

CAUTION:A bridge out immediately, which in turn usually causes the ON/OFF switch to fail in the closed mode.

1. Check should

2. Check tightness of pump packing nut. Overtightening nut tightens packings on rod, restricts

3. Check stall pressure. Remove the plug from the fluid–filled pressure gauge. See page 31. Plug in and turn on sprayer. Slowly increase pressure setting to maximum. pump should stall at 2800–3000 psi. T urn off and unplug sprayer.

4. After tem,

short in the

electrical supply with volt meter

read 105 to 125 V

pump action, and damages packings.

top of the fluid filter

determining that there

reset circuit breaker button.

is unplugged!

, and

zero with the switch ON.

motor circuit will burn the

AC.

, and install a 5000 psi

Disconnect

is no short in sys

ohmme

. Meter

2. Replace ON/OFF switch. See page

26.

If voltage is too high, do not operate sprayer until corrected.

2. Loosen

3. Calibrate pressure control. See page

4. If

packing nut. Check for around throat. Replace pump packings, if necessary

31.

circuit breaker continues to open (but ton pops up), replace the circuit breaker.

See page 27.

. See page 36.

leaking

307–920

Page 22

SPIN TEST

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury , including fluid injection, injury from splashing fluid or solvent in the

eyes or on the skin, moving parts or electric shock, always sprayer, when checking or servicing any part of the spray system, when installing, cleaning or changing spray

2. Turn the ON/OFF switch to OFF

For cal

Setup

Remove in DRIVE HOUSING REPLACEMENT, Steps 1–6, page

33.

follow this procedure whenever you shut of

tips, and whenever you stop spraying.

Engage the gun safety latch.

Unplug the power supply cord.

checking armature, motor winding and brush electri

continuity

the drive housing from the sprayer as described

f the

4. Disengage of the gun firmly to the side of a grounded metal pail,

Engage the gun safety latch.

Open ready to catch the drainage. Leave the pressure drain

you suspect that the spray tip or hose is completely

clogged,

following the steps above,

ter

guard retaining nut or hose end coupling and VERY SLOWLY then

loosen completely

the gun safety

and trigger the gun to relieve pressure.

the pressure drain valve, having a container

valve open until you are ready to spray

latch. Hold a metal part

or that pressure has not been fully relieved af

wrap a rag around the tip

loosen the part to

relieve pressure gradually

. Now clear the obstruction.

again.

Remove fan

Disconnect the two leads from the motor to the bridge (308).

the pressure control cover

cover (F), and the inspection covers (J).

See Fig 9.

, the motor shield, the

See Fig 8.

Armature Short Circuit Test

Quickly the ing

If armature page

turn the motor fan by hand. If there are no shorts,

motor will coast two or three revolutions before com

to a complete stop.

the motor does

is shorted and the motor must be replaced. See

34.

not spin freely and resists rotation, the

Armature, Brushes, and Motor Wiring Open Circuit Test (Continuity)

Connect the two black motor leads together with a test lead.

Turn

the motor fan by hand at about two revolutions per

second.

there is uneven or no

and repair parts as needed. See page 23.

lowing

broken brush springs

broken brush leads

loose brush terminal screws

worn brushes

broken motor leads

loose motor lead terminals

turning resistance, check the fol

Fig 8

303

309

302

308

there is still uneven or no turning resistance, replace the

motor.

See page 34.



307–920

Fig 9

Page 23

BRIDGE

TEST

Remove the bridge from the pressure control and perform

this test to determine if the bridge

BRIDGE

continuity

RECTIFIER REPLACEMENT, page 26. Use

tester

, such as multi–meter set on the X1 ohms

is functional. See

scale.

All tests must be performed. If the bridge fails even one test, it must be replaced.

Fig

10 shows the position of the wires on the bridge. Us

the chart at the right, connect the meter wires as

ing cated

by the black dots

for each test, and then check the

indi

continuity.

ests 1, 2 and 3, there should be NO continuity

In T

In Tests 4, 5 and 6, connect the + and – meter wires as indicated, check continuity, then switch the meter wire connections NO

continuity one way and YES continuity the other way

ests 7 and 8, connect the meter wires as indicated by

In the black dots. T wire,

and

one

way and YES continuity the other way

and check continuity again. Y

ouch the indicated “G” wire to one meter

then to the other

. Y

ou should get NO continuity

ou should get

BRIDGE WIRES

G2 G1 – + AC1 AC2

TEST 1

TEST 2

TEST 3

YES

TEST 4

YES

TEST 5

YES

TEST 6

Fig 10

AC1

G1 –

AC2 G2

YES

TEST 7

YES

TEST 8

307–920

Page 24

GENERAL REPAIR NOTES

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury , including fluid

injection, injury from splashing fluid or solvent in the eyes or on the skin, moving parts or electric shock, always follow this procedure whenever you shut

f the sprayer

part

of the spray system, when installing, cleaning or changing spray tips, and whenever you stop spraying.

1. Engage the gun safety latch.

2. Turn the ON/OFF switch to OFF

Unplug the power supply cord.

4. Disengage

the

gun firmly to the side of a grounded metal

pail,

and trigger the gun to relieve pressure.

Engage the gun safety latch.

Open the pressure drain valve, having a con-

tainer ready to catch the drainage. Leave the

pressure

spray

again.

you suspect that the spray tip or hose is completely

clogged,

or that pressure has not been fully relieved

after following the steps above,

the

tip guard retaining nut or hose

VERY

SLOWL gradually, then loosen completely . Now clear the obstruction.

, when checking

the gun safety latch. Hold a metal

drain valve open until you are ready

Y loosen the part to relieve pressure

or servicing any

wrap a rag around

end coupling and

Tool List

Phillips Small flat blade

Needle nose pliers Plastic mallet Adjustable wrench 2” open–end wrench T 1/4” hex key wrench

1. When

screwdriver

orque wrench

disconnecting wires

assembly, connectors.

When reconnecting the wires, be sure the flat blade the

wrap–around blade of the female connector

use needle nose pliers to separate mating

the insulated male connector is centered in

3/16” hex key wrench 5/8” socket wrench 3/8” open end wrench 1/2” open end wrench 3/4” open end wrench 7/8” open end wrench High quality motor oil Bearing grease

Mineral spirits

the pressure control

CAUTION

reduce the risk

sure to properly mate connectors, and never pull

on a wire to disconnect it. Pulling on a wire could

the connector from the wire.

loosen

of a pressure control malfunction,

part

2. Route wires carefully in the pressure control as-

sembly, guiding them through the legs of the U– shaped the ting changes, and to avoid pinching the wires between

bourdon tube. This is to avoid interfering with

bourdon tube, which moves as

the pressure control and cover

the pressure set

CAUTION

Improper formance

3. Keep all screws, nuts, washers, gaskets, and electrical fittings removed during repair procedures. placement

Test your repair before regular operation of the sprayer

If the sprayer does not operate properly , review the repair procedure again to verify that everything was done correctly . If necessary , refer to the Troubleshooting Guide, pages 16–21, to help identify

wire routing can result in poor sprayer per

or damage to the pressure control.

These parts are not normally provided with

assemblies.

to be sure the problem is corrected.

other possible problems and solutions.

WARNING

o reduce the risk of serious bodily injury electric shock, DO NOT touch any moving parts or electrical parts with your fingers or a tool while inspecting

Shut off the sprayer and unplug it as soon as you complete

Reinstall all covers, gaskets, screws and washers before

the repair

the inspection.

operating the sprayer

, including

CAUTION

not

run the sprayer dry for more than 30 seconds

avoid damaging the pump packings.

Reinstall the motor shield before regular operation

of the sprayer and replace it if it is damaged. The

cover

directs cooling air around the motor to help pre vent overheating. It can also help reduce the risk of burns,

fire or explosion; see the

WARNING,

below

WARNING

During operation, the motor becomes very hot and could burn your skin if touched. Flammable materials

spilled on the hot, bare motor could

explosion. Always have the motor shield in place

during

regular operation to

fire

or explosion.

reduce the risk of burns,

cause a fire

307–920

Page 25

MOTOR BRUSH REPLACEMENT

NOTE: Replace the brushes when they have worn to

less than 1/2 in. See STEP 1, Fig 13. Note that the

brushes wear dif motor, so check them both. Brush Repair Kit 220–853

is available.

ferently

on each side of the

SPRING

HOOK

BRUSH

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Unplug the sprayer!

1. Remove the motor shield (14). Remove the inspection covers (J) and gaskets (K) on each side of the motor.

See Fig 1

Fig 11

2. Push in the spring clip to release its hooks from the brush

holder

. Pull out the spring clip. See Fig 12.

Loosen

lead

the brush lead terminal screw

away

, being careful to ensure the motor lead minal remains in place. Remove and discard the brush

and spring. See Fig 13.

4. Inspect the commutator for excessive pitting, burning

or gouging.

NOTE: A

5. Repeat

black color on the commutator is normal. Have

the

commutator resurfaced by a qualified

repair

shop if the brushes seem to wear too

for the other side.

CAUTION

When installing the brushes, follow all steps carefully. Improper installation damages parts beyond use.

6. Place

7. Place

8. Install

a new brush in the holder so the lead is in long slot of the holder. Slide the terminal under the terminal still

screw washer

. Make sure the

connected the at the screw

the spring on the brush as shown in Fig 14. If the

spring is installed backwards, it will be damaged

when

the spring clip is installed.

the spring clip

and push it down until the hooks catch the short slots in the housing. See Fig 14. Incorrect

installation may jam the clip.

Repeat for the other side.

J,K

. Pull the brush

motor lead is

. See Fig 14.

ter

motor

fast.

the

SPRING CLIP

Fig 12

Fig

SPRING

BRUSH

SPRING

BRUSH

TERMINAL SCREW

MOT

OR LEAD

TERMINAL

BRUSH HOLDER

SHORT

LONG SLOT

BRUSH

SLOT

SPRING CLIP

CLIP

LEAD

NOTE: SPRING MUST COIL

Fig

IN THIS DIRECTION

10. Test the brushes.

a. With

the ON/OFF

switch OFF

, turn the pressure control knob fully counterclockwise to minimum pressure.

Plug in the sprayer

b. Turn the ON/OFF switch ON. Slowly increase

the pressure until the motor comes up to full speed.

c. Inspect

for cle

the brush and commutator contact

excessive arcing. Arcs

should not “trail” or cir

around the commutator surface.

WARNING

Do not touch the brushes, leads, springs or brush holders risk

while the sprayer is plugged in

to reduce the

of electric shock and serious bodily injury

CAUTION

Do not run the sprayer dry for more than 30 seconds while checking the brushes to avoid damaging the displacement pump.

11. Reinstall the motor shield, brush inspection covers and

gaskets.

307–920

area

Page 26

POWER SUPPLY CORD REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Refer to Fig 15.

Unplug the sprayer

303

308

302

1. Remove the pressure control cover

Disconnect OFF (308), and the green wire to the grounding screw (343)

3. Loosen the strain relief bushing (328). Remove the power

Install assembly.

5. Reinstall

the power supply cord lead from the ON/

switch (303), the white wire going

and lockwasher (327).

supply cord (31

the new cord (31

the cover

1).

1) in

the reverse order of dis

to the bridge

ON/OFF SWITCH REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Refer to Fig 16 except where noted.

Unplug the sprayer

Fig 15

10. Reconnect

11.

343,327

328 311

Powder the inside of the rubber boot (304) with talcum,

then shake excess out of boot.

Install the nut and rubber boot and tighten.

the wires to the ON/OFF switch (303)

reconnect Reinstall the pressure control cover

the wire to the microswitch (302).

and

1. Remove the pressure control cover

Use

a needle nose pliers to disconnect the upper

minal

wire from

moving

Use ON/OFF

4. Use nut and rubber boot (304) from the top of the pressure

Remove the ON/OFF switch.

Install rotation ring (W) engages with the vertical groove in the threads of the switch, and the external tab engages

7. Install the switch guard (305), aligning the internal tab

the ON/OFF switch (303).

pliers to disconnect the two black wires from the

a 5/8” socket wrench to loosen and remove

control. Remove the switch guard (305).

the new switch so the internal tab of the anti–

with the blind hole (D) of the pressure control.

with the groove in the threads.

the microswitch (302) for ease in re

switch (303).

Refer to Fig 15.

ter

See Fig 16.

the

304

305

303

Fig 16

307–920

Page 27

BRIDGE RECTIFIER REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

NOTE:

The a

faulty motor

ing the bridge to prevent damaging the new bridge.

Remove the pressure control cover

Disconnect propriate

Outside the pressure control are two screws (331).

Loosen,

the

control. Then loosen and remove the front screw

Slide

the bridge out.

Slide

the slotted end of the new bridge (308) into the pressure screw TAIL

below

Unplug the sprayer

most common cause of bridge failure is

Check the motor before replac

all wires from the

bridge (308) at the ap

terminals.

but don’t remove the screw near the back of

control so the lockwasher (333) on the rear

(331) is IN FRONT of the bridge. See the DE

Install the front screw (331), lockwasher (333) and nut

(332). Make sure the bridge is flush with the side of the pressure control and tighten the screws securely.

CAUTION

The

lockwashers (333) must be to avoid overheating which will result in bridge failure.

Refer to the DET

Connect all wires. Carefully route the wires.

CAUTION

sure the flat blade of the insulated male connector

is centered in the wrap–around blade of the female connector connections

Route

when the connections are made. Improper

may cause the sprayer to malfunction.

all wires carefully to avoid interference with movement of the bourdon tube, circuit board, or pressure control cover which could cause a malfunction.

7. Reinstall the pressure control cover

in front of the bridge

AIL in Fig 17.

the

Fig 17

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Remove the pressure control cover

2. Use

a small screwdriver to slide the terminal adapter

off

the circuit breaker terminal.

3. Disconnect the single black wire from the circuit breaker

Unplug the sprayer

(309) to the ON/OFF switch (303).

303

310

306

309

BRIDGE INST

308

SLOTTED END

CIRCUIT BREAKER REPLACEMENT

4. Use

5. Push

6. Install the new circuit breaker in the reverse

7. Reinstall

a 5/8” socket wrench to loosen the nut and boot

(310)

on the circuit breaker button.

down on the top of the circuit breaker and pull

out

of the pressure control.

order.

the pressure control cover

not allow the circuit bourdon tube, which will cause a short. T circuit breaker nut firmly to prevent the circuit breaker

from turning.

Reinstall the cover

ALLA

TION DET

LOOSEN THIS SCREW BUT DO NOT REMOVE

AIL

331

LOOSEN AND REMOVE

333

308

332

CAUTION

breaker contacts to touch the

ighten the

307–920

Page 28

CIRCUIT

BOARD

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Refer to Fig 18 and 19.

Unplug the sprayer!

REPLACEMENT

Reconnect all wires. Refer to the wiring diagram in Fig

19. Ease the pin (86) into the retainer

PRESSURE

CONTROL KNOB

CIRCUIT

BOARD

1. Remove the pressure control cover

Turn the pressure control knob to the minimum set-

to release spring tension on the board. Check to

ting

be sure only three or four threads of the pressure control knob shaft are exposed below the pressure adjustment

to Fig 18.

fer

nut (S). Loosen the nut, if necessary. Re

CAUTION

Step 2 is essential to reduce the risk of damaging the

circuit board while removing or installing it.

3. Disconnect ALL wires from the board, including the two

heavy black wires. Pay close

connections

Pull out the black plastic–tipped pin (86). Push the bottom

and carefully slide the board out.

trol

Reinstall same

are made. Refer to Fig 19.

of the circuit board toward the wall of the con

the new board in the pressure control at the

angle as it was removed.

attention to where

Fig

CAUTION

sure the flat blade of the insulated male connec

tor

is centered in the wrap–around blade of the

male

connector when the connections are made.

Route

all wires carefully to avoid interference with

the

circuit board, bourdon tube, or pressure control

cover.

precautions are essential to reduce the

These of

a malfunction.

Perform the PRESSURE CONTROL ADJUST-

MENT,

page 30, if you installed a new board.

risk

BLUE

WHITE

YELLOW

BLACK

RED

Fig 19

307–920

BLACK

GREEN

GROUND

WIRE

POWER SUPPLY CORD

WHITE

AC1

AC2G1G2

MOTOR

THERMAL SWITCH

MOTOR

LEADS

Page 29

PRESSURE

CONTROL

REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.

Unplug the sprayer!

Refer to Fig 20 except where noted.

Disconnect the main fluid hose (90) and the secondary fluid hose, if used. Disconnect the fluid hose (47)

at the pressure control nipple (344).

Loosen the filter bracket nut (28).

Hold the hex of the pressure control adapter (341) firmly with a 3/4” open end wrench. Use an adjustable wrench to unscrew the swivel union (8), and then

remove the fluid filter (48).

Remove the pressure control cover four motor leads.

Remove the circuit board and retain. Refer to page

See Fig 19.

. Disconnect the

28.

Remove the conduit (22).

Remove the three screws (44), lockwashers (40), and nuts (41) located below the pressure control. Remove

8. Remove bracket

the pressure control.

the screws (15) holding the back mounting

(16) to the pressure control.

9. Install the new pressure control assembly in the reverse order of disassembly. Be sure to reinstall the conduit

seal (5) around the

wires in the conduit con nector (345) to prevent motor contamination from entering

the pressure control.

10. Perform the PRESSURE CONTROL ADJUST-

MENT

starting on page 30, before regular operation

the sprayer

CAUTION

not allow

the adapter (341) to turn while installing the new pressure control assembly . Turning it can damage the sensitive bourdon tube. Hold the adapter firmly with a 3/4” open end wrench while screwing

In the swivel union (8).

34 28

Fig 20

41 40

341

344

48 8

not allow the adapter

(341) to turn at any time.

15 16

43 44

36,84

345,5

DETAIL

Shows position of con duit seal (5) in conduit

connector (345)

345

307–920

Page 30

PRESSURE

CONTROL ADJUSTMENT

WARNING

USE EXTREME CAUTION WHEN PERFORMING THIS ADJUSTMENT PROCEDURE to reduce the risk of a

fluid injection injury or other serious bodily injury which can result from component rupture, electric shock, fire, explosion,

This MAXIMUM WORKING PRESSURE and sets the overpressurization switch (microswitch) to approximately

Perform this procedure whenever the pressure control

assembly is removed and reinstalled or replaced,

a new circuit board is installed.

Improper adjustment can cause the sprayer to overpressurize plosion. the maximum working pressure, resulting in poor sprayer

or moving parts.

procedure sets the sprayer to3000 psi (210 bar)

3600 psi (242 bar).

and result in component rupture, fire or ex

It may also prevent the sprayer from obtaining

performance.

NEVER ing pressure of 3000 psi (210 bar ) by performing these of ponent rupture, fire or explosion. To perform this adjustment,

porarily

sure.

Use

3000 psi (210 bar) MAXIMUM WORKING PRESSURE. A used, under–rated hose could develop a high

try to

increase the sprayer’s maximum work

adjustments in any other

the sprayer at higher pressures may result in com

however

increased above the normal working pres-

new

50 ft (15.2 m) spray hose rated for at least

pressure leak or rupture.

, the sprayer pressure

way

. Normal operation

must be

tem-

NOTE: The following tools and equipment are required

for

this procedure.

3/8 in. nut driver or 3/8 in. socket wrench 1/4 in. open end wrench 7/16 in. open end wrench 0 – 5000 psi, oil–filled test gauge, Part No. 102–814 Pail of clean water Mineral spirits NEW 3000 psi (210 bar) high pressure spray hose,

Part No. 214–915

CAUTION

NOT use the gauge supplied with this sprayer

DO to

perform this adjustment. gauge, is raised to 3800 psi (266 bar) as required by this adjustment.

1. Follow

2. Refer

3. Remove the pressure control cover

4. Place

and will be damaged if

Use gauge 102–814 or the

the

Pressure Relief Procedure W

page

23.

to the above list

ed.

Remove the standard gauge and install the

psi

(350 bar) gauge. Connect the gun to the

hose

and connect the hose to the sprayer outlet.

the pump suction tube in a pail of clean water

It is a 3000 psi (210 bar)

the system pressure

equivalent.

arning

of tools and equipment need

5000

new

test

it does cycle

tom

of the pressure control. Insert a 3/8 in. nut driver through justment

the opening, and unscrew the pressure ad

nut (T) just

remove the plug (87) from the bot

until the sprayer stops running.

Adjust the Overpressurization Switch

8. With the spray gun triggered, sure control knob clockwise just until the sprayer starts. Prime the pump and hose. Release the trigger.

9. Slowly turn the pressure control knob to the maximum

setting. While watching the red light

cuit board and the pressure gauge, turn the nut (T)

slowly

to increase pressure until the red light goes

out and the gauge reads between 3400 –3800 psi (238

– 266 bar).

If the red light does not go out by 3800 psi (266 bar),

loosen the nut (P) and adjust the stud (Q) until

the

light goes out.

the red light goes out before 3400 psi (238 bar),

loosen the nut (P) and adjust the stud (Q) until the light goes out between 3400 – 3800 psi (238 – 266 bar).

slowly

turn the pres-

on the cir

5. Be

NOTE:

7. Turn the pressure control knob (B) to the

sure the gun safety latch is engaged.

For Steps 5 through 18, refer to Fig 31–1.

Plug in the sprayer

setting

(fully counterclockwise), and turn the

ON. THE DISPLACEMENT PUMP SHOULD NOT

CYCLE

307–920

minimum

sprayer

10. Tighten

11. Trigger ger and engage the safety latch. Repeat Step 9 to verify

12.

Install the pressure control cover

the nut (P) if it was loosened in Step 9.

the gun to relieve pressure. Release the

your results.

trig

Page 31

PRESSURE

CONTROL ADJUSTMENT

Maximum Working Pressure Adjustment

13. Turn the sprayer OFF . Disengage the gun safety latch.

rigger the gun into a grounded waste contain er until pressure is relieved. Engage the gun safety latch.

14. Use

15. With the pressure control knob at the

16.

the 3/8 in. nut driver to turn the pressure adjust

ment

nut (T) counterclockwise one full turn.

ting,

turn the sprayer ON.

Slowly

turn the pressure control

minimum

knob (B) clockwise

set-

to the maximum setting and hold it there. Use a 3/8 in.

nut

driver or socket wrench to slowly turn the pres sure adjustment nut (T) clockwise until the gauge reads

EXACTL

Y 3000 psi (210 bar).

17. Turn the pressure control knob to the minimum setting.

Release the gun safety latch and trigger the

into

a grounded waste container until

Engage the gun safety

lieved.

latch. Slowly increase

pressure is re

the pressure to verify that the maximum working pressure

To prevent pump corrosion,

the

pump, hose

is set at 3000 psi (210 bar).

CAUTION

flush the water out of

and gun with mineral spirits. Be sure

to close the drain valve, first. Use the lowest pressure necessary to flush. Follow the Pressure Relief Procedure Warning on page 23. Leave the

mineral ready

18. Install

spirits in the pump to protect it

until you are

to spray again.

the plug (87) in the bottom of the pressure con trol. Remove the gauge assembly and reinstall the plug.

Flush out the water with mineral spirits.

gun

Fig 22

INSERT

WRENCH HERE

O ADJUST NUT (T)

307–920

Page 32

BEARING HOUSING & CONNECTING ROD REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure Warning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes

or in the skin, injury from moving parts or elec

tric

shock.

Unplug the sprayer!

35 20

Fig 23

NOTE: Stop

the sprayer at the bottom of its stroke to get

the crank (E) in its lowest position.To lower the

manually

crank fan

with a screwdriver

, carefully rotate the blades of the

1. Remove the front cover (31). Hold a wrench on the pump intake valve and unscrew the pump suction tube

(42). Disconnect the pump outlet hose (47).

Inspect

the crank (E) for excessive

wear and replace parts as needed. Evenly lubricate the inside of the bronze

bearing (B) with motor oil.

roller

bearing (C) with bearing grease.

8. Assemble

the connecting rod (29)

Liberally pack the

and bearing hous

ing (27).

9. Clean the mating surfaces of the bearing and drive housings.

10. Align

the connecting rod with the crank (E) and care

fully

align the locating pins in the drive housing with

the

holes in the bearing housing (27). Push the bear ing housing onto the drive housing or tap it into place with

a plastic mallet.

CAUTION

NOT use the bearing housing screws (33) to try

align or seat the

drive

housing will not align properly and will result in

premature

bearing wear

bearing housing; the bearing and

11. Install the bearing housing and tighten the screws evenly

to 1

15 to 135 in–lb (13–16 N.m).

12. Screw

the displacement pump 3/4 of the way into the bearing hole

housing (27). Hold the pin (20) up to the pin

in the connecting rod (3). Screw in the pump un til the pin slides easily into the hole. Back of f the pump until the top threads of the pump cylinder are flush

with

the face of the bearing housing and the out let adapter (A) is facing back. Push the retaining spring (35) into the groove all the way around the connecting about end

wrench and a light hammer

rod. Tighten the locknut (38) very tight –

75–85 ft–lb (102 to 1

15 N.m) – with a 2 in. open

See Fig 24.

WARNING

Be sure the retaining spring (35) is firmly in the groove all the way around, to prevent the pin (20) from

working loose due to vibration.

the pin works loose, it or other parts could break of

See Fig 24.

f due to the force of the pump action. These parts could

be projected through the air and result in seri

bodily injury or property damage, including dam

ous age

to the pump connecting rod or bearing housing.

Use a screwdriver to push up the retaining spring (35).

Push the pin (20) out the rear

Loosen screw

the pump jam nut (38) with 2 in. wrench. Un

the displacement pump (39).

4. Remove the four screws (33) and lockwashers (49) from

the bearing housing (27).

Lightly

tap the lower rear of the bearing housing (27)

with

a plastic mallet to loosen it from the drive hous

ing

(2).

Pull the bearing housing and the connecting

rod

assembly (3) straight of

6. Remove on

the pail bracket

the new bearing housing.

307–920

f the drive housing.

assembly (B) and reinstall it

13. Reinstall

the front cover (31), the suction tube (1

and the outlet hose (47).

FACE

BEARING

HOUSING

Fig 24

See Fig 23.

27 38

TORQUE TO 75–85 ft–lb (102–1

15 N.M)

15)

Page 33

DRIVE HOUSING REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure Warning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes

or in the skin, injury from moving parts or elec

tric

shock.

Refer to Fig 25

NOTE: Stop

Remove the front cover and screws (31, 32).

2. Disconnect the hose (47) from the pump outlet.

Remove the four screws (33) and lockwashers (49) from

Lightly with ing rod

Remove the two screws (51) and lockwashers (63) from (30) end bell (1b) and the two screws (21) and lockwashers bell

Unplug the sprayer!

the sprayer at the bottom of its stroke to get the crank (E) in its lowest position. T o lower it manually, carefully rotate the blades of the fan with

a screwdriver

the bearing housing.

tap the lower rear of the bearing housing (27)

a plastic mallet to loosen it from the drive hous

(2). Then pull the bearing housing and connecting

assembly straight off the drive housing.

the recess

and lockwashers (65) from the rear of the motor

(65) from the upper rear of the motor end

(P).

of the drive housing, the two screws

Tap the drive housing (18) with a plastic mallet to loosen it from the front end bell, then pull it straight off.

DO NOT allow the gear cluster (9) to fall when re-

moving if motor

DO NOT lose the thrust balls (10) located at each end of the gear cluster (9) or allow them to fall between grease, usually stays in the shaft recesses, but could be dislodged. If caught between gears and not removed, the balls will seriously damage the drive ings

8. Place the bronze–colored washer (18b) THEN the

the drive housing (18). It is easily damaged

dropped. The gear may stay engaged in either the

end bell or the drive housing.

gears. The ball,

housing. If the balls are not in place, the bear

will wear prematurely

Liberally Check

silver–colored washer (18a) on the shaft protruding from gears the motor end bell and locating pins.

Starting to

apply bearing grease to the gear cluster (9).

to be sure the thrust balls (10) are in place.

the big gear in the drive housing (18). Align the

and push the new drive housing straight onto

at Step

reassemble the sprayer

CAUTION

which is heavily covered with

5 and working backwards, continue

18a

18b

30 63

Fig 25

307–920

Page 34

MOTOR REPLACEMENT

WARNING

Before doing this procedure, follow the Pressure Relief Procedure Warning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes

or in the skin, injury from moving parts or elec

tric

shock.

Refer to Fig 26 unless otherwise instructed.

Remove the motor shield (14).

Remove the

Loosen sure

Swing trol

5. Remove elbow coming into the control box. Pull the motor leads

Unplug the sprayer!

the pressure control cover (36). Disconnect

four motor leads.

the conduit connector nut (345)

control (43).

the conduit (22) away from the pressure con

elbow (345).

the conduit seal (5) from around the conduit

through the elbow

, one at a time.

at the pres

13. Use a plastic mallet to gently tap the displacement pump

(39) from the rear to loosen

(18)

from the motor end bell (P). Pull the drive hous

ing

away from the motor end bell.

DO NOT allow the gear cluster (9) to fall when re-

moving if the

DO NOT lose the thrust balls (10) located at each end of the gear cluster (9) or allow them to fall between grease, usually stays in the gear recesses, but could be dislodged. If caught between gears and not removed, the balls will seriously damage the drive ings

14. While

the drive housing (18). It is easily damaged

dropped. The cluster may stay engaged in either

front end bell or the drive housing.

gears. The ball,

housing. If the balls are not in place, the bear

will wear prematurely

supporting tipping, remove the four screws (44), washers (52), lockwashers the

frame. Lift of

CAUTION

which is heavily covered with

the motor to keep the sprayer from

(40) and nuts (41) holding the motor to

f the motor

the drive housing

CAUTION

Always pull the motor leads one at a time to avoid loosening connection

Loosen the through

Unscrew the connector elbow from the motor

Pull the wires through the elbow

Remove the front cover (31).

10. Remove the

11. Remove the

12. Remove the

the terminals, which could result in a

and poor sprayer performance.

the connector nut (54) at the motor and

conduit (22) away from the motor

the conduit, one at a time.

the two screws (51) and washers (63) from

recess of the drive housing.

the two screws (30) and washers (63) from

lower rear of the motor end bell (P).

the two screws (17) and washers (63) from

upper rear of the motor end bell (P).

. Pull the

, one at a time.

bad

pull

leads

15. Place the new motor on the frame and align the frame

mounting holes. Install the hardware tightly

16. Liberally (R) to

17. Place the bronze–colored washer (18b) and THEN the ing

18. Align the gears and push the drive housing (18) straight

19.

Starting at Step to

NOTE: Use a turning motion on the conduit (22) when

20. Install the conduit seal (5) around the wires in the conduit elbow (345) at the pressure control to keep contaminants from entering the motor conduit. See the

21.

Install the motor shield and pressure control cover

grease the gear cluster (9) and pinion gear

and pack all

be sure the thrust balls (10) are in place.

silver–colored washer (18a) on the shaft protrud

from the big gear in the drive housing (18).

onto the motor end bell (P) and locating

reassemble the sprayer

feeding

Detail in Fig 26.

bearings in the motor end bell. Check

pins.

12 and working backwards, continue

wires through it.

307–920

Page 35

WIRING DIAGRAM

BLUE

WHITE

YELLOW

BLACK

RED

BLACK

GREEN

GROUND

WIRE

POWER SUPPLY CORD

WHITE

AC1

AC2G1G2

MOTOR

THERMAL SWITCH

MOTOR LEADS

RED

DETAIL

Shows

position of conduit seal (5) in conduit connector

345

(345)

18a

18b

44 52 54

40 41

Fig 26

307–920

Page 36

DISPLACEMENT PUMP

WARNING

Before doing this procedure, follow the Pressure Relief Procedure Warning on page 23 to reduce

the risk of a fluid injection injury , splashing in the eyes

or in the skin, injury from moving parts or elec

tric

shock.

NOTE: Packing

223

Unplug the sprayer!

Repair 222–343 is available. In the text

and

drawings, reference numbers with an aster

isk,

i.e., (21 repair kit. For the best results, use all the new parts

1*), indicate the parts included in

in the kit, even if the old ones still look good.

216

47 46

215 207

*204

206

the

Remove the hose (47) from the nipple (46).

4. Push the retaining spring (35) up. Push out the pin (20).

5. Loosen the

Disassembling the Pump

1. Unscrew the intake valve (224) from the cylinder (216). Remove the gasket (206), ball guide (215), stop

2. Clean placing parts as needed. Always use a new gasket (206*). If no further service is needed, reassemble the

3. Remove the packing nut (221) and plug (201).

Fig

4. Use and then pull the rod out through the bottom of the cylinder.

5. Remove

211).

6. Clamp retaining nut (214). Unscrew the piston valve (224) from

See

the locknut (38) and unscrew the pump from

bearing housing (27).

pin (207) and ball (204).

and inspect the parts

intake valve.

See Fig 27.

for wear or damage, re

28.

a plastic mallet to tap the piston rod (223) down,

the throat packings (218) and glands (212,

See Fig 28.

the flats of the piston rod in a vise. Loosen

the rod. Remove all parts from the piston valve.

Fig 28.

See

the

222

Fig

Removing the Pump

1. Flush the pump, if possible, and relieve pressure again.

Stop the pump with the piston rod (223) in its

lowest

position, if possible.

2. Hold the wrench on the pump intake valve (224) to keep

the pump from loosening and remove the suc

tion tube (42).

NOTE:If

repairing only the

Disassembling

Refer to Fig 36–1.

intake valve assembly

the Pump

, Steps 1 and 2.

, go to

Reassembling the Pump

NOTE: The lips of the throat “V” packings must face

down,

against pressure. The lips of the piston “V”

packings must face up, against pressure. The

the U–cup seal (205) face down. Incorrect

lips

installation pump

1. Check

2. Stack

the outside of the piston rod (223) and the in

side

of the cylinder (216) for scoring or scratches. If

these

parts are damaged, new packings will not seal

properly.

the backup washer (219*), u–cup seal (205*),

female

gland (220*), packings (217*), and then male

gland (213*) onto the

damages the packings and results in

leaking.

Replace these parts if needed.

piston

valve (224).

See Fig 28.

307–920

Page 37

DISPLACEMENT PUMP REPAIR

3. Tighten ton

Note

the packing retaining nut (214) onto the pis

valve. See the T

the alignment

ORQUE note in Fig 29.

of the

piston (224) to the pack ing retainer nut (214). Maintain this alignment through

Steps 5, 6 and 7.

4. Place the ball (203*) on the piston valve (224).

Fig

29.

223

1-7/8”

(47.5 MM)

221

*212

218*

LIPS

*211

V–PACKING IN THROA

T MUST

FACE DOWN

See

CAUTION

Step

5 is critical. Follow the procedure carefully to

avoid damaging the packings by overtightening.

5. Apply

one drop of

adhesive, supplied, to the threads of the piston valve. Then hand tighten the valve assembly tacts

into the piston rod just until the nut (214) con

the rod.

See Fig 29.

223

203*

TORQUE TO

10.5 in-lb (1.2 N.m)

to seat the packing,

and then back of

tighten finger tight.

LIPS F

ACE UP

Fig

6. Place

the flats at the top of the rod in a vise.

Use a wrench to onto

the piston rod to 19 ft–lbs (25 N.m).

214

f and

217*

CAREFULLY

APPLY ONE DROP OF SEALANT T THESE THREADS

213*

220* 205*

LIPS FACE DOWN

224

tighten the nut

See Fig 30.

(214)

224

*207 *204

Fig 28

203*

216

214 213*

217*

LIPS OF V–P

ACKING IN PIST F

ACE UP

205*

LIPS F DOWN

219*

206*

215

222

ON MUST

ACE

Use two wrenches to maintain the alignment mentioned

in Step 7, above.

TORQUE

ONTO ROD TO

DO NOT ALLOW NUT

(214) T

WHEN INST

PISTON ONTO ROD

NUT

19 ft–lb

(27 N.m)

O MOVE

ALLING

214

223

Fig 30

8. One

9. Install

at a time

ings

(218*), and then

into

the top of the cylinder (216).

the packing

loose

for now.

stack the male gland (21

install the female gland (212*),

nut (221) and plug (201), but leave

See Fig 28

1*), the pack

See Fig 28.

10. Coat the piston rod and packings with oil. Carefully the assembly into the cylinder

slide

11. Screw

12.

down the cylinder locknut (38) until

tight

at the bottom of the external cylinder threads.

Place flats of the intake valve (222) in a vise. Install

it is finger

a new gasket (206*). Screw the pump cylinder into the

valve. T

orque to 67 ft–lb (90 N.m).

307–920

See Fig 28.

Page 38

DISPLACEMENT PUMP REPAIR

13. Screw

the displacement pump about 3/4 of the way

into

the bearing housing (27). Hold the pin (20) up to

the

pin hole in the connecting rod assembly (29) and continue screwing in the pump until the pin slides easily into the hole. Back off the pump until the top threads of the pump cylinder are flush with the face of the bearing housing and the outlet nipple (46) is straight groove en – 115 N.m)–with a 2 in. hammer.

back. Push the retaining spring (35) into the

all the way around the connecting rod. T

the locknut (38) very tight–about 75–85 ft-lb

open–end wrench and a light

See Fig 31.

WARNING

Be sure the retaining spring (35) is firmly in the groove

of the connecting rod, all the way around, to

prevent it from working loose due to vibration.

31.

Fig

If the pin works loose, it or other parts could break off due to the force of the pumping action. These parts could be projected through the air and result in

serious bodily injury or pump

damage or property

damage.

CAUTION

If the locknut (38) loosens during operation, the threads of the bearing housing (27) will be dam-

Be sure to tighten the locknut firmly

aged.

(102

See

ight-

Fig 31

ACE OF

BEARING

HOUSING

TORQUE TO 75–85 ft–lb (102–1

15 N.m)

14. Tighten the packing nut (221) just enough to stop leakage, 1/3

but no tighter

full with Graco TSL.

. Fill the wet–cup/packing

nut

307–920

Page 39

PARTS

PTFEPTFEPTFE

Model

222–341, Series A

Displacement Pump

Includes items 201 to 224

NOTE:

See the repair instructions for important torque values and procedures

201

Ref 38

221

*212

DRA

WING

223

203*

214 213*

217*

PARTS LIST

REF NO. PART

201 179–810 PLUG 1 203 105–444* 204 105–445* 205 108–706* 206 150–429* GASKET 207 178–938* 211 178–942* 212 183–232* 213 183–231* 214 178–945 NUT 215 178–948 216 183–234 217 178–964* V–P 218 178–965* V–P 219 181–338* W 220 178–969* 221 179–809 NUT 222 217–574 VAL 223 220–645 ROD,

224 218–036 VAL

*Included in Repair Kit 222–343 sold separately

NO.

DESCRIPTION QTY

BALL, sst BALL, sst SEAL, u–cup,

, brass PIN, ball stop GLAND, male, carbon steel GLAND, female, Delrin GLAND, male, Delrin

, hex GUIDE, ball, sst CYLINDER, stainless steel

ACKING, UHMWPE ACKING, UHMWPE

ASHER, backup

GLAND, packing

, packing/wet–cup

VE, intake

piston,

stainless steel/hard

chrome 1

VE, piston

r 1

1 1

1 1 1

1 1 1 5 5 1 1 1 1

*218

*211

216

*207

220* 205*

219*

224

215

204*

206*

222

REPAIR KIT

Displacement

(Must be purchased separately)

Pump Repair Kit 222–343

Includes:

Ref No.

203 1 204 1 205 1 206 1 207 1

211 1 212 1 213 1 217 5 218 5 219 1 220 1

Qty

307–920

Page 40

231–081, Series B

Model

PARTS

WARNING

DRA

LABEL

WING

61 2

64 55 67 64

18b

18a

Ref 61

30 63 40 41

Ref 62

35 20

81 80

441960

SEE

AGE 42

INSIDE

OUTSIDE

13 46

88 69 78

84 44

307–920

8 57

Page 41

Model 231–081, Series B

Includes Basic Sprayer

items 1–88

PARTS

DRA

WING – BASIC SPRAYER

REF NO. P

1 222–388 MOT

1a 107–267 TERMINAL, 1b 107–504 TERMINAL, 1c 2 185–147 LABEL, 3 4 185–149 5 107–447 SEAL,

7 181–072 8 155–665 UNION,

9 179–961 GEAR 10 100–069 11 178–934*

ART NO.

596–421

185–148

DESCRIPTION QTY

OR, ELECTRIC

Includes

replaceable items 1a to 1c and

one each of items 10 and 74

female 2

female

TERMINAL,

LABEL, LABEL,

SEE P

AGE 42

STRAINER 1

swivel x 3/8 npt(m)

wire, female, snap–on

identification 1 identification 1 identification 1

conduit

adapter; 3/8” npsm

REDUCER

BALL,

steel; 1/4” dia.

LABEL,

WARNING 1

12 220–285 CAP 1 13 100–322 LOCKW

shakeproof;

14 185–430 SHIELD, 15

106–078 SCREW,

183–365 BRACKET, 17 100–644 SCREW, 18 218–032 DRIVE

INCLUDES

18a 178–967 .WASHER, 18b 107–089 .W 18c 110–293 .LUBRICANT, 19 108–691 PLUG, 20

176–818

PIN,

0.3125” dia x 1.023”

22 065–099 CONDUIT

SPECIFY

23 218–405

BOARD, 24 109–032 SCREW, 25 110–243 RING, 26 179–777 BUTT 27

218–035 HOUSING, 28 150–513 29 218–034

NUT ROD,

30 100–643 SCREW

no. 1/4–20 x 1.00”

31 179–899

COVER, 32 107–209 SCREW, 33 107–210 CAPSCREW,

unc–3a x 1–1/2”

34 179–945 ADAPTER,

1/4–18 npt (m x f)

35 176–817 SPRING, 36 183–995 COVER, 38 178–941 NUT,

ASHER,

7/16”

motor

NO. 10–24 X .375”

SOC

external

mounting

HD, 1/4–20 X 0.75”

HOUSING

ITEMS 18a to 18c

silver–colored 1

ASHER,

bronze–colored 1

6 oz.

TUBING

straight,

hdls;

electrical,

LENGTH WHEN ORDERING

circuit; 115V 1

mach,

pnhd

retaining 2

ON,

snap 2

bearing

jam;

7/16”

CONNECTING 1

socket

head

housing 1

mach, filh; no. 8–32 x1”

sch; 3/8–16

elbow,

special;

retaining

pressure control

hex

REF NO. P

39 222–341

40 100–214

41 100–188 42 180–573 TUBE,

43 220–455

44 100–057 SCREW,

ART NO.

DESCRIPTION QTY

DISPLACEMENT PUMP

SEE

AGE 39 FOR P

LOCKWASHER, NUT

heavy

hex; 5/16–18 unc–2a

intake 1

ARTS

spring; 5/16”

PRESSURE CONTROL ASSY

hex. head no.

5/16–18 x .25”

45 183–194 SLEEVE 2 46 162–453 47 218–083

48 218–029 FLUID FILTER

1 1

49 106–115 LOCKWASHER,

50 222–198 51 107–218

NIPPLE, HOSE,

cpld 1/4 npsm (f);29” (715 mm); spring guards both ends

SEE

VALVE. CAPSCREW

1/4

npt(m) x 1/4 npsm

grounded,

307–273 FOR P

pressure relief

sch;

nylon;1/4” ID

ARTS

spring, 3/8”

1/4–20 x 2.75”

52 107–194 WASHER 4 53 183–350 WASHER 2

54 108–460

55 110–240 CLIP 2

56 100–040 PLUG,

57 178–034*

58 101–242 59 206–994 THROA

60 106–062 WHEEL,

CONNECT

TAG,

RING,

OR,

conduit,

1/4”

WARNING 1

retaining 2

T SEAL LIQUID,

semi–pneumatic 2

61 222–554 HANDLE 1 62 222–555 CART 1

105–510

108–865

LOCKW SCREW

no. 8 x 3/8”

ASHER,

mach;

pan head;

spring,

65 100–020 LOCKWASHER 2 66 183–456* LABEL,

67 185–384 BRACKET 69 156–971

71 177–762* LABEL, 73 185–152* LABEL, 74 176–250* LABEL,

78 185–598

NIPPLE,

MANIFOLD,

WARNING 1

shield 2

1/4” 1

ARNING 1

IDENTIFICA

WARNING 1

TION 1

1/4

X 3/4–18 NPT

80 183–035 BRACKET 2 81 108–662 NUT, 82 183–037 HANGER,

retainer 2

pail

83 104–811 HUBCAP 2 84 110–037 SCREW,

85 107–258 TIP, 86 180–041 PIN

87 101–754 PLUG 88 110–338 GAUGE,

1 1

0–3000 psi (0–210 bar) range

mach, pnh

SEE

AGE 42

SEE

AGE 42

SEE

AGE 42

pressure dampened, 3/4 npt

1 1

*Extra

warning tags and labels available free.

 1

1/4”

1 7 7

1 4 1 2

4 1 1 1

307–920

Page 42

PARTS – PRESSURE CONTROL

PRESSURE

Includes all items listed below

CONTROL ASSEMBL

, except the terminals.

Y 220–455

The terminals are included with the circuit board (item

23).

The terminals

wiring

diagram on page 43.

listed in this parts list are shown on the

REF

NO. PART NO. DESCRIPTION QTY

302 180–043 ,MICROSWITCH 1 303 105–679 .ON/OFF SWITCH 1 304 105–659 .BOOT, SWITCH 1 305 107–255 .GUARD, LOCKING 1 306 218–168 JUMPER WIRE 1 308 218–170 RECTIFIER, BRIDGE 1 309 107–256 CIRCUIT BREAKER 1 310 107–254 BOOT, CIRCUIT BREAKER 1 311 218–169 CORD, POWER SUPPLY 1 312 107–268 ADAPTER, TERMINAL 1 314 107–267 315 107–293 TERMINAL, FEMALE 2

107–264

316 317 107–396 318 107–262 TERMINAL, FEMALE 1

107–260 TERMINAL, FEMALE 1

319

107–266 TERMINAL, FEMALE 1

320

103–885

321 322 103–886 TERMINAL, FEMALE 3

107–265 TERMINAL, FEMALE 1

323

107–263 TERMINAL, FEMALE 1

324

TERMINAL, female

TERMINAL, MALE TERMINAL, MALE

TERMINAL, MALE

Part

numbers for items 1a, 1b, 5, 23,

the

drawings below and on page 43 are given on page

87, 85, 86 shown in

REF

NO. PART NO. DESCRIPTION QTY

102–799 TERMINAL, RING 1

325 327 157–021 LOCKW 328 108–295 BUSHING, strain relief 1 331 101–273 SCREW

no. 10–24 x 5/8” 332 100–179 NUT, hex, mscr 333 100–718 LOCKW

shakeproof, no. 10 334 178–797** 335 178–035** 336 107–261

337 107–503 TERMINAL, FEMALE 1

107–504

338

341 157–350

342 100–840 ELBOW 343 100–035 SCREW

344 162–453

345 108–460 CONNECT

*Extra

warning labels available free.

LABEL, W

TERMINAL, MALE

ADAPTER, 3/8 npt(m) x 1/2 npt (m)

pan hd; no. 8 x 5/16”

NIPPLE, 1/4 npt(m) x 1/4 npsm

ASHER, no. 8, internal

, mach; flat hd;

, no. 10–24 thd

ASHER, internal,

ARNING 1 ARNING 1

, street; 1/4 npt(m x f) , mach; slotted

OR, conduit

41.

2 2

1 1 1

342

(REAR)

344

REF 23

302

85,86

341

301

343,327

334,335

325

304

305

303

310

The terminals listed in this parts list are shown in the wiring diagram on page 41.

309

308

331,332,333

DETAIL

Shows

position of

seal

(5) in conduit

tor

(345)

306

conduit

connec

345

307–920

328

311

345

Page 43

WIRING

DIAGRAM

Ref

BLUE

WHITE

YELLOW

BLACK

RED

85,86

336

319

317 318 302

1a 323 320

303

324

316

BLACK

GREEN

GROUND

WIRE

WHITE

309

306

337

312 321

(1c) 322

308

AC1

AC2G1G2_+

323

323 314

MOTOR

POWER SUPPL

Y CORD

THERMAL

SWITCH

307–920

Page 44

ACCESSORIES

FLUID HOSE,

Grounded, Nylon

3000 psi (210 bar) Maximum Working Pressure

210–541

1/4” ID; cpld 1/4 npsm(f); 50 ft (15m) spring guards both ends

214–701

3/16” ID; cpld 1/4 npsm(f);3 ft (.9 m) spring guards both ends

“CONTRACT

OR” SPRA

Y GUN

220–955

3600 psi (252 bar) Maximum Working Pressure

Includes RAC IV DripLess T

220–955

DISPLACEMENT PUMP REP

ip Guard and 517 size tip.

210–541

214–701

AIR

222–343

See contents on page 39.

SUCTION

TUBE KIT

208–259

55 gallon (200 liter) size Includes:

REF NO. PART NO. DESCRIPTION QTY

1 156–589 UNION, 2 214–961

3 156–591 ELBOW 4 156–593 P 5 100–220 THUMBSCREW 6 176–684 7 156–592 8 159–100 RET 9 161–377 10 159–101 NUT

90, 3/4 npt(f) x 3/4 npt(f) sw HOSE, cpld 3/4 npt(mbe); 3/4 ID; nylon; 6 ft (1.8 m); spring guard one end

, 90; 3/4 npt x 1–1/2 – 24 ns

ACKING, o–ring, nitrile

, 5/16–18 X 1” ADAPTER, bung TUBE, riser

AINER, screen

SCREEN, filter

, screen retainer

8 9 10

1 1 1

1 1 1 1 1

SUCTION TUBE KIT

208–920

5 gallon (19 liter) size Includes:

REF NO. PART

1 101–818 CLAMP 2 160–327 3 170–705 4 170–706 5 170–957 6 181–072 STRAINER 1

NO.

DESCRIPTION QTY

, HOSE UNION, 90, swivel; 3/4 npt(m x f) ADAPTER, intake HOSE, 1” id x 48”; nylon TUBE, suction

1 1 1 1 1

307–920

Page 45

Power

PTFE

Requirements Working Cycles/Gallon (liter) 200 (53). Maximum Power Inlet Outlet Pump Fluid Wetted

Pressure Range

Delivery

Cord

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paint Strainer

Paint Filter Inlet Size

Outlet Size

Parts:

. . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Displacement Pump

Filter

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TECHNICAL

. . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . .

. . . . . .

16 mesh (1

60 mesh (250 micron) Stainless Steel Screen, reusable

190 micron) Stainless Steel Screen, reusable

Stainless Steel, Hard Chrome over Stainless Steel,

Carbon

15 V

AC, 60Hz, 1 phase, 15 amp minimum

0–3000 psi (0 – 210 bar)

0.85 GPM (3.2 liter/min

No. 14 A

Steel,

WG, 3 wire, 8’ 6” (2.6 m)

3/4 npt(m) with 30) ID chamfer

1/4 npsm from fluid filter

, Polyethylene, Delrin

Carbon Steel, Stainless Steel,

NOTE: r

and Delrinr are registered trademarks of the DuPont Company

DIMENSIONS

eight (dry w/o packaging) Height 28 Length 26 in. (660 mm). Width 22 in. (572 mm).

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

100 lb (45 Kg)

in. (71

1 mm).

307–920

Page 46

SERVICE INFORMATION

Listed below by the asembly changed are OLD, NEW , ADDED and DELETED parts. Numbers in parentheses in the Part Status column indicate a quantity change. OLD

and new parts are directly interchangeable. ADDED

and

DELETED parts may not be interchangeable singly

ASSEMBLY CHANGED

231–081 T

o S

eries B

PART STATUS

OLD NEW

DELETE ADD ADD ADD ADD ADD ADD ADD ADD ADD

OLD NEW

OLD (8) NEW (4)

OLD NEW

ADD 17 100–644 Screw

DELETE 21 101–682 Screw

DELETE 37 108–751 Screw

PART NO.

NO.

1 220–355

222–388

220–365

109–032

110–243

179–777

108–691

183–194

183–350

110–240

222–554

222–555

181–743 185–430

106–075 106–078

179–936 183–365

NAME

Motor Motor

Cart Screw Ring Button Plug Sleeve Washer Clip Handle Cart

Shield Shield

Screw Screw

Bracket Bracket

ADD (1) 40 100–214 Lockwasher

ADD (3) 41 100–188 Nut

ADD (4) 44 100–057 Screw

OLD NEW

ADD 52 107–194 Washer

ADD 56 100–040 Plug

ADD (4) 64 108–865 Screw

ADD 65 100–020 Lockwasher

ADD 66 183–456 Warnin

ADD 67 185–384 Bracket

DELETE 72 181–828 Plate

DELETE 76 176–884 Washer

OLD NEW

DELETE 79 101–550 Screw

OLD NEW

214–570 218–029

104–984 185–598

222–398 110–338

Filter Filter

g L

Te e Manifold

Gauge Gauge

abel

307–920

Page 47

307–920

Page 48

THE

GRACO UL

WARRANTY

Graco

warrants all equipment workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sale, the

drive train/gear box, which will be repaired or replaced for twenty–four months from the date of sale and the electric motor (excluding brush replacement, which is routine maintenance) or pressure control assembly which will be repaired or replaced for twenty-four months from the date of sale. This warranty applies recommendations.

This

warranty does not cover faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility with Graco equipment of structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized replace free of charge any defective parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, labor

sole remedy for breach

repair or replace any part of the equipment proven defective, with the exception of defects in parts on

only when the equipment is installed, operated and maintained in accordance with Graco’

Graco distributor for verification of the claim. If the claimed defect is verified, Graco will repair or

repairs will be made at a reasonable charge, which charges may include the costs of parts,

and transportation.

TRAt-LINE W

manufactured by it and bearing its name to be free from defects in material and

of this warranty

, and Graco shall not be

ARRANTY AND DISCLAIMERS

, Graco will, for a period of twelve months from the date of

s written

liable for

, any malfunction, damage or wear caused by

DISCLAIMERS AND LIMIT The

terms of this warranty constitute purchaser’s sole and exclusive

other

warranties (express or implied), including warranty of merchantability or warranty of fitness for a particular purpose, and of any non-contractual liabilities, including product liabilities, based on

negligence or strict liability

loss is expressly excluded purchase sale.

EQUIPMENT Graco

particular manufactured by Graco. These items sold, but not manufactured by Graco (such as electric motor ,

switches, with

Subsidiary and Affiliate Companies:

price. Any action for breach of warranty must be brought within two (2) years of the date of

NOT COVERED BY GRACO W

makes no warranty, and disclaims all implied warranties of merchantability and fitness for a

purpose,

hose, etc.) are subject to the warranty

reasonable assistance in making any claim for breach of these warranties.

Factory Branches:

with respect to accessories, equipment, materials, or components sold but not

GRACO INC.P.O. BOX 1441

ATIONS

remedy and are in lieu of any

. Every form of liability for

and denied. In no case shall Graco’

ARRANTY

, if any

Atlanta, Chicago, Dallas, Detroit, Los Angeles, W

Canada; England; Switzerland; France; Germany; Hong Kong; Japan

MINNEAPOLIS, MN

PRINTED IN U.S.A. 307–920 7–88

6–89

direct, special or consequential damages

s liability exceed the amount of the

, of their manufacturer

55440–1441

Revised

. Graco will provide

est Caldwell (N.J.)

purchaser

307–920

Graco 231–081 Instructions And Parts List

Specifications and Main Features

Frequently Asked Questions

User Manual