Graco Inc Series E, 307760, 220240, 221076 User Manual

INSTRUCTIONS-P

This

INSTRUCTIONS and WARNINGS.

READ AND RETAIN FOR REFERENCE.

Hz, 220/240 V

olts, 0.5 Amp

ARTS LIST

manual contains

IMPORTANT

307–760

Rev G

Supersedes

PT2000

17.5

bar (250 psi) MAXIMUM WORKING PRESSURE

Pressure Roller System

Model 220–240, Series E

Complete with hose, roller valve, extension and roller

System

Model 221–076, Series E

Basic

System

without hose, roller valve, extension or roller

TENT NO, 4,652,024

GRACO INC. P.O. BOX 1441

COPYRIGHT

MINNEAPOLIS, MN

1986, GRACO INC.

55440–1441

TABLE OF CONTENTS

Terms 2.

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

Warnings 2 PT2000 Pressure Roller System Description 3. Setup 4 Startup 5 Operation 5 Maintenance

Troubleshooting Repair

Parts Drawing & Lists 14. Accessories 18 Technical Warranty Back Cover.

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

Flushing 6 Installing Cleaning

Roller Fuse 10 ON/OFF Switch 10. Rectifier 10 Power Pressure Switch 11. Outlet Valve 11. Inlet Valve 11. Diaphragm 12 Suction Tube 12. Priming Valve & T Motor,

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

& Removing a Roller Cover7. . . . . . . . . . . . . . .

the Roller Dif

Chart8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

alve 9.

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

Supply Cord

Connecting Rod & Bearing

Data

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fuser 7.

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ube 12.

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Back Cover.

10.

13.

TERMS

sure you read and understand each of these terms

fore

reading the rest of the manual.

WARNING Alerts user to avoid or correct conditions which

could cause serious bodily injury

CAUTION Alerts user to avoid or correct conditions which

could damage or destroy the equipment.

NOTE

Gives additional explanation or helpful hints.

WARNING

Be sure all operators of this equipment read, understand,

and follow the warnings and instructions in this manual!

GENERAL

Use extreme care not to splash paint, contaminated flushing

water or solvent

eyewear. Be sure the area in which you are working is extremely

well-ventilated,

to avoid a buildup of harmful paint

To reduce the risk of electric shock, do not expose the system operate

to rain.

the pump with the pump base cover removed.

Always store the system indoors. Do not

ELECTRICAL GROUNDING

Electrical grounding is essential to reduce the risk of an electric shock or other serious bodily injury from static sparking. page

Read and follow the

4 of this manual.

EXTENSION

THIS IS NOT AN AIRLESS GUN EXTENSION (for example,

pole gun).

roller frame, or to use parts which are

use

with this system.

Improper

use of the extension, roller frame, hose or roller

Do not attempt to modify the extension

valve can result in component rupture or explosion and cause

serious bodily injury

VOID POWER LINES

Avoid contacting any power lines with the extension. Contact bodily

with power lines could cause extremely serious

injury

, including burns or electrocution.



307–760

SAFETY

into your eyes. W

ear protective

grounding instructions on

MISUSE HAZARD

not designed for

fumes.

EQUIPMENT MISUSE HAZARD

This

system is designed for be used at

Maximum Working Pressure.

17.5 bar (250 psi)

Use only components and accessories which are designed for use with the PT2000

System.

Any misuse of this equipment, such as modifying parts, using incompatible paint or solvent, or using worn or damaged result in serious bodily injury erty

Never could

parts, can cause the equipment

, fire

to rupture and

explosion, and prop

damage.

alter or modify any part of this equipment; doing

cause it to overpressurize or malfunction.

Check all parts of the system regularly and repair or replace

any worn or damaged parts immediately

HAZARD OF USING FLUIDS CONT

HALOGENA

TED HYDROCARBONS

AINING

Never use 1, 1, 1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing

such solvents in this equipment.

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

explosion, which could cause death, serious bodily in

jury

and/or substantial property damage.

Consult used

your fluid suppliers to ensure that the fluids being

are compatible with aluminum and zinc parts.

PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION

POWER

SUPPL

Add

plug according to

local code

SPRING GUARD

MUST BE A

THIS END

Y CORD

SUCTION

PRIMING TUBE

INLET V

ON/OFF

SWITCH

TUBE

ALVE

MOTOR

PRIMING V

AINT STRAINER

7.6 M (25 FT) HOSE

ALVE

ROLLER V

Fig

ALVE

Motor

The

motor drives the connecting rod which

moves the diaphragm.

Pressure Switch

The pressure switch at the pump outlet turns the motor on

and of

f to control paint pressure.

Diaphragm

The diaphragm is the heart of the pump. Driven by the connecting rod and motor, the movement of the diaphragm the

Priming V

draws paint from the suction tube and through to

outlet valve.

alve

The priming valve assists in priming the pump during startup. Turning the priming valve counterclockwise causes the paint to drain directly back into the pail through the priming tube. Turning the knob clockwise causes to

Outlet V

the paint to flow through the fluid outlet valve

the hose, roller valve and extension.

alve

and

The outlet valve has a ball check which prevents paint from flowing backwards into the pump. This helps keep an

even supply of paint to the roller each time you

the

roller valve.

Inlet V

As the diaphragm paint paint

alve

draws paint from the suction tube the passes through the inlet into the pump.

valve which opens to allow

trigger

460 T

12 MM (1/2 IN.) NAP

ROLLER COVER

O 920 MM (18 T

TELESCOPING EXTENSION

LOCKNUT

O 36 IN.)

ROLLER FRAME

Outlet Hose

The

hose has swivel–type couplings

larger diameter outlet hose and chemical-resistant out

let

and suction hoses are available. See ACCESSORIES

page 17.

Roller V

The ing

alve

roller valve controls paint flow to the

it on and of

for easy assembly

roller by trigger

Pressure Roller

The pressure roller has a telescoping extension and a roller cover for use on smooth surfaces. Longer extensions and different types of roller covers are available. See

the ACCESSORIES on page 17.

307–760

SUCTION TUBE

SETUP

HAND

TIGHTEN NUT

POWER

SUPPL

Add

plug according to

SPRING GUARD

MUST BE A

THIS END

USE TWO

WRENCHES

O TIGHTEN

ROLLER V

ON/OFF

SWITCH

Y CORD

local code

ALVE

TRIGGER

WRENCHES

PRIMING TUBE

INLET V

ALVE

MOTOR

USE TWO

O TIGHTEN

TIGHTEN SNUGL LIGHT WRENCH

PRIMING V

AINT STRAINER

7.6 M (25 FT) HOSE

460 T

O 920 MM (18 T

TELESCOPING EXTENSION

LOCKNUT

HAND TIGHTEN ONL

12 MM (1/2 IN.) NAP ROLLER COVER

Y WITH

ALVE

O 36 IN.)

Apply PTFERtape

Fig

CAUTION

To avoid premature wear of the pressure switch, never

use more than 7.6 m (25 ft) of 1/4 in. ID outlet

hose. When longer outlet hose is needed, use 3/8

ID hose at a maximum of 30 m (100 ft) long. Nev

in. er

use 1/4 in. ID and 3/8 in. ID hose together

See

ACCESSORIES, page 17, for ordering optional

hoses.

WARNING

remove the grounding pin of

Never

the power sup ply cord plug. Be sure the outlet is properly grounded. grounding

In the event of an electrical short circuit, reduces the risk of an electric shock by

providing an escape wire for the electric current. Inspect

before

the power supply cord

and extension cord

each use. Be sure they are

in good condition and have undamaged three-pin plugs. Replace immediately

if either cord is worn or damaged.

307–760

ROLLER FRAME

to male threads

HAND TIGHTEN ONL

to avoid cracking roller cover

Assemble notes

Prepare the paint according to the manufacturer’s

recommendations. the paint. Strain the paint. Thin the paint as needed.

3. Be sure the electrical service is properly rated for your sprayer and that the outlet you use is properly grounded. Install an appropriate plug on the power supply cord, according to your local electrical code. Do

not use an adapter. All extension cords must have three propriate

meters feet

– 30 30 – 61 61 – 92

4. Loosen adjust the extension to the desired length. Firmly tighten

the system as shown in Fig

2, following the

on the drawing.

Remove any

skin from the top of

wires. Use the chart below for selecting the ap

wire gauge for the extension cord.

Extension Cord Chart

Cord Length

1 – 100 100 – 200 200 – 300

the locknut on the telescoping extension

Extension Cord

Cross Sectional Area

1.0 mm

1.5 mm

2 2 2

0.75 mm

and

the locknut.

STARTUP

1. Place

4. Turn the ON/OFF switch ON.

Failure the greatly

the suction tube in the pail of paint. Plug in the sprayer Open the priming valve 2 turns counterclockwise.

You can see the paint being drawn into the suction

(if the tube is clean). As soon as you see paint

tube flow through the priming tube, close the priming valve.

This usually takes less than 30 seconds.

to completely close the priming valve after

system is primed will cause the valve to

shortening the valve life.

CAUTION

erode,

NOTE:

6. When the outlet hose and extension tube are fully primed, the motor will run when there is paint demand, paint

NOTE:

OPERATION

If your system is hard to prime, first try to force feed

the suction tube. Hold the suction tube in a vertical system. minute, shut it off. Heavy viscosity paint may need to be thinned. Be sure to follow the paint manufacturer’s

An occasional start and stop of the motor when the roller valve is not triggered is normal.

position and pour paint into it. T

If the system does not prime within one

recommendations on thinning.

but

appears to shut itself of

demand.

urn on

the

f when there is no

WARNING

To reduce the risk of electric shock, do not expose

system to rain. Always store the system indoors.

the

CAUTION

Always perature tem.

Do and outlet hoses supplied with this system. These fluids tional

See hoses.

allow cold equipment to warm to room tem

before using to prevent damaging the sys

Always store the system indoors.

CAUTION

not use lacquer or lacquer thinner

quickly destroy the hose material. Use the op chemical–resistant hoses.

ACCESSORIES, page 17, for ordering optional

in the suction

With the system fully primed, trigger the roller valve briefly until paint comes to the roller

Experiment with triggering and rolling the paint until you

determine just how often you need to trigger the

roller

valve to keep an even flow of paint to the roller

To adjust the extension tube length, loosen the

and extend or retract the tube. If retracting,

nut paint

in the tube will

this

excess paint onto the wall, or completely retract the tube, drain the excess paint into a pail, and then adjust

the tube length. T

Whenever you stop painting, turn the ON/OFF switch

to OFF and trigger the roller roller end of the tube to prevent paint from draining out

the roller end.

Flush the system thoroughly and immediately after each use to keep it in good working order. See page

be pushed out to the roller

ighten the locknut

lock

some

. Roll

securely

valve. Elevate the

307–760

MAINTENANCE

CAUTION

Thorough sential

Improper system may

ALWAYS

ately

ALWAYS

when

ALWAYS

flushing and proper

maintenance are es

to keep your system working properly

flushing or maintenance

may prevent the

from working the next time you need it,

result in costly damage to the system.

flush your system thoroughly and immedi

after each use.

fully extend the telescoping extension

flushing to clean it thoroughly

drain all water out of the roller valve and extension and leave the system filled with mineral spirits

to prevent corrosion.

Flushing (Latex Paint Only)

1. Turn the ON/OFF switch to OFF

Fully extend the telescoping extension.

Trigger the roller valve and roll out the excess paint

onto a wall or newspaper. Remove the roller cover and

dif

fuser

, and soak in a

Place

the

suction tube in the pail of warm, soapy wa

ter.

Hold the roller frame over the paint pail, turn on

pail of warm soapy water

the system and trigger the roller valve to drain and save

the paint in the hoses. Release the trigger shut off the pump as soon as all paint is drained, to avoid

contaminating the paint with the flushing water

and

Raise the suction tube above the water and run the pump

for a few seconds

Shut

f the pump.

Wash off all external parts of the hoses, extension, roller

frame, roller valve and pump.

Using

clean, clear

often as necessary

cleaned.

Finally, just off

flush

the system with clean mineral spirits for

a few seconds. Open

the pump. Some mineral spirits system to prevent corrosion. Retract the extension before

storing it.

leave

Never

water or water-based paint (latex) in the system. To prevent corrosion in the pump, extension, roller valve and roller frame, your final flush must

be mineral spirits.

10.

Clean the roller cover thoroughly by rinsing it inside

and out. Clean the dif

Oil

the needle in the roller valve and trigger the valve

few times to distribute the oil. See Detail A, Fig 3.

Flushing (Oil–based Paint Only) NOTE:

the instructions above, except use miner

spirits. Do not heat the mineral spirits.

to drain the flushing solution.

water

, flush again, changing water

, until the system is

thoroughly

the priming valve and turn

must be left in the

CAUTION

fuser as explained on page 3.

Now

hold the roller frame over the flushing pail. T

the pump and trigger

solution

for three to five minutes (five

the roller valve. Circulate the

to ten minutes if it is cold). Pump the extension in and out a few times to clean it, and then leave it extended. Open the

priming tube. Close the valve.

ing

valve for a few seconds to clean the prim

urn

OIL REGULARL

EXTENSION BE FULL WHEN FLUSHING

MUST

Y EXTENDED

Fig 3

307–760

+ 14 hidden pages