Graco Inc 235459, 237691, 308235 User Manual

INSTRUCTIONS-PARTS

LIST

308–235

This

manual contains important warnings and information. READ AND KEEP FOR REFERENCE.

INSTRUCTIONS

Flex

Airless Spray Gun

5000 psi (345 bar) MAXIMUM WORKING PRESSURE

Model 235–457, Series C

Bare

gun.

Model 237–691, Series B

Includes SwitchTip

RAC IV DripLess

, and 2 finger trigger

 T

ip Guard, 517 size

Model 235–459, Series D

Includes SwitchTip

RAC IV DripLess

, and 2 finger trigger

 T

ip Guard, 517 size

Model 235–458, Series C

Includes T

ip Guard. Spray tip not included; order separately

the Standard (non-reversing) DripLess



Model 235–459

Rev. F

Supersedes Rev

. E

Patents Pending

Model

GRACO INC. P.O. BOX 1441

COPYRIGHT

Graco

Inc. is registered to I.S. EN ISO 9001

235–458

MINNEAPOLIS, MN

1992, GRACO INC.

01460

55440–1441

Table

of Contents

Symbols

Warnings 2. Installation/Operation 4

How

How How

How Service 9 Parts Technical Graco Warranty 16

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

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

Pressure System How How How

to Clean the Spray T and Clear a Spray T

Drawing

Phone Numbers

Relief Procedure5. . . . . . . . . . . . . . . . . . .

Requirements5. . . . . . . . . . . . . . . . . . . . . . .

to Use the Gun Trigger Safety5. . . . . . . . . . .

to Use the Gun6. . . . . . . . . . . . . . . . . . . . . . . .

to Adjust the Spray Pattern6. . . . . . . . . . . . . .

ip Obstruction7. . . . . . . . . . . .

to Check the Gun Dif

to Clean the Filter6. . . . . . . . . . . . . . . . . . . . . . . .

to Flush the Gun8. . . . . . . . . . . . . . . . . . . . . . . . .

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

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

Data

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fuser 8.

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11.

14.

WARNING

EQUIPMENT MISUSE HAZARD

INSTRUCTIONS

Equipment



This equipment is for professional use only

misuse can cause the equipment to rupture or malfunction and result in serious injury

Warning Symbol

WARNING

This

symbol alerts you to the possibility of serious

injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This

symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.



Read all instruction manuals, tags, and labels before operating the equipment.



Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor



Do not alter or modify this equipment.



Check equipment daily



Do not exceed the maximum working pressure of the lowest rated system component. Refer to the

echnical Data



Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the

nical Data



Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use could result in a chemical reaction, with the possibility of explosion.



Do not use hoses to pull equipment.



Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Graco hoses to temperatures above 66C (150F) or below –40C (–40

 W

ear hearing protection when operating this equipment.



Do not lift pressurized equipment.

on page 14 for the maximum working pressure of this equipment.

section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

. Repair or replace worn or damaged parts immediately

F).

Tech-



Comply with all applicable local, state, and national fire, electrical, and safety regulations.





WARNING

INJECTION HAZARD

Spray

from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury



Fluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate medi

cal attention.



Do not point the gun at anyone or at any part of the body



Do not put your hand or fingers over the spray tip.



Do not stop or deflect leaks with your hand, body



Do not “blow back” fluid; this is not an air spray system.



Always have the tip guard and the trigger guard on the gun when spraying.



Check the gun dif



Be sure the gun trigger safety operates before spraying.



Lock the gun trigger safety when you stop spraying.

fuser operation weekly

, glove or rag.

. See page 8.



Follow the checking or servicing the equipment.

 T

ighten all fluid connections before operating the equipment.



Check the hoses, tubes, and couplings daily Do not repair high pressure couplings; you must replace the entire hose.



Fluid hoses must have spring guards on both ends, to help protect them from rupture caused by kinks or bends near the couplings.

Pressure Relief Procedure

on page 5 if the spray tip clogs and before cleaning,

. Replace worn or damaged parts immediately.

MOVING PARTS HAZARD

Moving



parts can pinch or amputate your fingers.

Keep clear of all moving parts when starting or operating the pump.

Before servicing the equipment, follow the equipment from starting unexpectedly

Pressure Relief Procedure

on page 5 to prevent the

RECOIL HAZARD

Due

to the high pressure fluid emitted, a strong recoil action may occur when you trigger this gun. If you are unprepared, your hand could be forced back toward your body or you could lose your balance and fall, resulting in serious injury





WARNING

FIRE AND EXPLOSION HAZARD

Improper result in a fire or explosion and serious injury



grounding, poor ventilation, open flames or sparks can cause a hazardous condition and

If there is any static sparking or you feel an electric shock while using this equipment,

ing immediately. Do not use the equipment until you identify and correct the problem.

Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed.

Keep the spray area free of debris, including solvent, rags, and gasoline.

Electrically disconnect all equipment in the spray area.

Extinguish all open flames or pilot lights in the spray area.

Do not smoke in the spray area.

Do not turn on or of

Do not operate a gasoline engine in the spray area.

Ground the equipment and the object being sprayed. Refer to your pump instruction manual.

f any light switch in the spray area while operating or if fumes are present.

TOXIC FLUID HAZARD

stop spray-

Hazardous inhaled, or swallowed.



Know the specific hazards of the fluid you are using.



Store hazardous fluid in an approved container state and national guidelines.



Always wear protective eyewear solvent manufacturer

fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,

, gloves, clothing and respirator as recommended by the fluid and

. Dispose of hazardous fluid according to all local,

308-235

Installation/Operation

Pressure Relief Procedure

WARNING

INJECTION

The system pressure must be manually relieved to prevent the system from starting or spraying accidentally

under high pressure can be injected through the skin and cause serious injury an injury from injection, splashing fluid, or moving parts, follow the whenever you:



are instructed to relieve the pressure,



stop spraying,



check or service any of the system equipment,



or install or clean the spray tips.

Lock the gun trigger safety

Shut of bleed-type master air valves.

Unlock the gun trigger safety

Hold a metal part of the gun firmly to the side of a grounded metal pail, and trigger the gun to relieve pressure.

f the power supply to the pump. Close any

HAZARD

. Fluid

. T

o reduce the risk of

Pressure Relief Procedure

Be sure your system has a bleed-type master air valve (pneumatic pumps only) and a pressure drain valve. These accessories help reduce the risk of serious bodily injury splashing in the eyes or on the skin, or injury from moving parts, if you are adjusting or repairing the pump or gun.

The bleed-type master air valve pumps only) relieves air trapped between this valve and the pump after the air regulator is shut off. T

rapped air can cause the pump to cycle

unexpectedly.

The pressure drain valve pressure in the displacement pump, hose and gun: triggering the gun to relieve pressure may not be sufficient.

Strain the fluid you are spraying if it contains particles which could clog the spray tip.

, including fluid injection,

(air-powered

assists in relieving fluid

How to Use the Gun Trigger Safety

Lock the gun trigger safety

Open the drain valve (required in your system), having a container ready to catch the drainage.

Leave the drain valve open until you are ready to spray again.

If you suspect that the spray tip or hose is completely

clogged, or that pressure has not been fully relieved

after following the steps above,

tip guard retaining nut or hose end coupling and relieve pressure gradually the tip or hose.

, then loosen completely

very slowly

loosen the

. Now clear

System Requirements

WARNING

Keep

the wallet-sized warning card provided with this gun with the operator at all times. The card contains important treatment information should an injection injury occur at no charge from Graco Inc.

. Additional cards are available

1. To

lock the gun trigger safety

a right angle with the gun body

2. T

o unlock the gun trigger safety

out and turn it parallel with the gun body

UNLOCKED

Fig. 1

, turn the latch (A) to

LOCKED

. See Fig. 1.

, push the latch (A)

01464

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