Healthyway Paint Sprayer 310645H User Manual

Repair and Parts

RTX 1500 Electric Texture Sprayer

310645H

- For Water-Based Materials Only -

(Consult your Material Supplier for Warnings and Application Requirements)

Models: Page 2

Maximum Working Air Pressure: 45 psi (3.1 bar)

Maximum Working Fluid Pressure: 100 psi (6.9 bar)

Read all warnings and instructions.

CAUTION

Use RTX 1500 non-bleeder texture gun 248091.

All other guns will damage sprayer.

ti4305a

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

www.graco.com

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

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Warnings

The following are general Warnings related to the safe setup, use, maintenance and repair of this

equipment. Additional, more specific warnings may be found throughout the text of this manual where

applicable.

Warning

WARNING

This symbol alerts you to the possibility of seri-

ous injury or death if you do not follow the

instructions.

Caution

CAUTION

Alerts you to the possibility of damage or destruction

of equipment if you do not follow the instructions.

Warnings

Fire and Explosion Hazard

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent

fire and explosion:

•

Use equipment only in well ventilated area.

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

Ground equipment in the work area. See Grounding instructions.

If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment

until you identify and correct the problem.

Equipment Misuse Hazard

Equipment misuse can cause death or serious injury.

•

Do not exceed maximum working pressure or temperature rating of lowest rated system compo-

nent. See Technical Data, in all equipment manuals.

Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all

equipment manuals. Read fluid and solvent manufacturer’s warnings.

Check equipment daily. Repair or replace worn or damaged parts immediately.

Do not alter or modify this equipment.

Use the equipment only for its intended purpose. Call your Graco distributor for information.

For professional use only.

Route hoses away from traffic areas, sharp edges, moving parts and hot surfaces.

Do not use hoses to pull equipment.‘

•

Keep children and animals away from work area.

Comply with all applicable safety regulations.

Electric Shock Hazard

Improper grounding, setup, or usage of the system can cause electric shock.

•

Turn off and disconnect power cord before servicing equipment.

Use only grounded electrical outlets.

Use only 3-wire extension cords.

Ensure ground prongs are intact on sprayer and extension cords.

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Warnings

WARNINGS

Pressurized Equipment Hazard

Compressed air can inject in skin. Air tubing rupture can cause injury if disconnected while under

pressure. To reduce risk of injury:

• Never exceed maximum working pressure of any attachment.

• Do not direct airstream at body.

• Follow Pressure Relief Procedure, page 7 whenever you are instructed to relieve pressure, stop

spraying, service equipment, install or clean spray nozzle or disconnect or connect hose.

Cleaning Solvent Hazard with Plastic Parts

Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. Many

solvents can degrade plastic parts to the point where they could fail. Such failure could cause serious

injury or property damage. See Technical Data on page 34 of this instruction manual and in all other

equipment manuals. Read fluid and solvent manufacturer’s warnings.

Moving Parts Hazard

Moving parts can pinch or amputate fingers and other body parts.

•

Keep clear of moving parts.

Do not operate equipment with protective guards or covers removed.

Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,

follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.

Personal Protective Equipment

Wear appropriate protective equipment when operating, servicing or when in the operating area of this

equipment to help protect yourself from serious injury, including eye injury, inhalation of toxic fumes,

burns and hearing loss. This equipment includes, but is not limited to:

• protective eye wear

• clothing and respirator as recommended by fluid and solvent manufacturer

• hearing protection

• gloves

CAUTION

Water or material remaining in unit when temperatures are below freezing can damage pump and/or delay startup.

To insure water and material are completely drained out of unit:

• remove hose from material outlet,

• tip sprayer forward 45° to allow material (water) to flow out of pump inlet.

Before adding material or starting unit in cold weather, circulate warm water through pump.

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Component Identification

ti4500a

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ComponentIdentification

Component Identification

COMPONENT

ITEM

Main Power Switch

Nozzle Storage

Hopper

Hopper Connect/Disconnect

Graco RotoFlex™ HD Pump

Material Outlet

Air Outlet

Fluid Flow Regulator and Pressure Gauge

Gun Nozzle (5 sizes)

Gun (see manual 310616)*

Prime Switch

Power Cord

Pump Access Screw

Hose - 25-ft.

Material Thickness Gauge

Cleaning Ball

Spare Hose Gaskets

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Preparation

Pressure Relief Procedure

Grounding and Electric Requirements

The sprayer must be grounded. Grounding reduces the

risk of electrical shock by providing an escape wire for

the electrical current.

1 Turn Main Power Switch

(A) OFF.

WARNING

ti4292a

2 Turn fluid flow regulator

(K) all the way down to

reduce pressure.

Read warnings, page 3.

• The sprayer cord includes a

Ground

grounding wire with an appro-

priate grounding prong.

ti4295a

ti4303a

3 Open gun air valve (aa).

• The plug must be plugged into

an outlet that is properly

installed and grounded in

accordance with all local codes

and ordinances.

ti4296a

• Do not modify plug! If it will not

fit in outlet, have grounded out-

let installed by a qualified elec-

trician.

ti4000a

4 Trigger gun, spraying

material back into

hopper (C).

ti4297a

• Sprayer model electric require-

ments are provided on page 2.

Extension Cords

• Only use an extension cord with

Ground

ti4294a

an undamaged 3-prong plug.

• For up to 100 ft (30.48 m) cord,

use 3-wire, 12 AWG (2.5 mm )

minimum.

ti4295a

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Preparation

Auxiliary Air Compressor

Hose Lengths

• Use Auxiliary Air Hookup Kit 287328 when additional

atomization air is necessary.

• The system comes with a twin line hose set consist-

ing of a 1 in. ID x 25 ft (25 mm x 7.6 m) material hose

and a 3/8 in. ID air hose. Additional hose sections can

be added. Total final length of hose used should not

exceed 100 feet in length.

CAUTION

Attaching auxiliary air to sprayer without using the

Auxiliary Air Hookup Kit will damage sprayer.

CAUTION

Generators

Sprayer air hose fitting can get hot! Allow sprayer to

cool down 5 minutes before removing air hose.

7500 W (7.5 KW) minimum.

Tips for Using Generators

• Before running sprayer, make sure it is at room tem-

perature. This will reduce startup current.

• Run generator at full throttle.

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Removing and Replacing Hopper, Front and Back Covers

Before performing any service on sprayer

always:

Front Cover

Removing Cover

1 Remove hopper.

• Read all warnings, page 3.

• Read operating instructions manual, page 2.

• Relieve Pressure, page 7.

• Turn main power switch (A) OFF.

• Unplug sprayer from outlet.

2 Unscrew and

remove

knob (S).

• Remove air and material hoses.

• Clean sprayer. See Operation Manual 310624 or

310625.

3 Place you

hand under

front, bot-

tom edge of

cover.

ti4408a

Hopper

Removing Hopper

(3a) Lift

cover up,

(3b) then

pull bottom

toward you

1 To remove hopper

loosen fitting.

Fittings are

hand-tightened

and should not

require tools to

loosen.

and out to remove cover.

Replacing Cover

2 Lift hopper straight

up, off frame.

1 Place your

hand under

front, bottom

edge of cover.

(1a) Position

top edge of

cover under

top metal lip

on sprayer

ti4503a

Replacing Hopper

1 To replace

hopper, position

drain over fitting

as far as it will go,

making sure

identificationlabel

faces out.

ti4411a

frame.

(1b) Then

push up on

cover so lower

plastic edge

2 Hand tighten fit-

ting.

of cover has room to clear front metal frame and slide

cover into place. To position cover correctly, it will go

in at an angle.

ti4504a

2 Replace knob (S). Hand tighten fitting.

3 Replace hopper.

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Removing and Replacing Hopper, Front and Back Covers

Back Cover

To access the motor and all other components, it is

necessary to remove the hopper, front and back covers.

Replacing Cover

1 To reposition cover

on sprayer frame,

tip the cover back,

toward you and

Removing Cover

1 Completely

remove 6

slide it down, into

place in the base of

the frame. Then

push the top back

into place. Align

screws (2 on top

and each side)

from cover.

screw holes in side

and top of cover

ti4430a

with holes in frame.

ti4432a

2 Lift cover up and

then tilt it back

and off sprayer

frame.

2 Replace and

tighten screws.

ti4433a

ti4431a

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RotoFlex™ HD Pump

Use RotoFlex HD Pump Replacement Kit 287314.

4 Rotate pump assembly

sideways. Pull entire

assembly out of front of

sprayer frame.

IMPORTANT

• After replacing RotoFlex HD Pump hose, always

follow Hose Break-In Procedure, page 13,

before operating sprayer.

Disassembly

ti4376a

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Then remove hopper and front cover, page 9.

1 Loosen and remove hose

extension.

5 Separate the inner and

outer hose brackets.

ti4377a

6 Slide hose ends out of

slots in outer hose

bracket.

ti4378a

2 Loosen and remove knob.

• Slide out of short slot

first.

ti4374a

3 Slide RotoFlex HD hose

off rollers.

7 Pull hose out of inner

hose bracket.

ti4519a

ti4379a

8 Discard pump hose.

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RotoFlex™ HD Pump

4 Slide plates together, inserting inner plate in outer

plate, matching alignment holes.

Reassembly

1 Bend and kink new

pump hose from kit in

the middle as shown,

making sure dots on

hose fittings face each

other.

DOTS

5 Replace bracket

assembly in housing

making sure the

mounting screw hole,

located in the top cen-

ter of the inner plate,

faces up.

ti3127a

2 Insert hose ends

through holes in inner

hose bracket, keeping

dots on fittings facing

each other and kinked

portion of hose hori-

zontal to the underside

of bracket.

ti4383a

6 Slide pump hose

around rollers. Make

sure the rollers are

horizontally parallel to

each other.

alignment

holes

ti4520a

7 Slide feet on the bot-

tom of hose bracket,

into the slot on the

bottom of sprayer.

3 Slide hose ends into

outer hose bracket,

making sure dots on fit-

tings face each other

and alignment holes

are together.

• Slide into long slot

first.

ti4429a

8 Replace knob. Hand

tighten.

9 Reattach hose exten-

sion.

10 Replace front cover

and hopper. See

ti4381a

Removing and

Replacing Hopper,

Front and Back Cover,

page 9.

ti4386a

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RotoFlex™ HD Pump

3 Turn power switch (A) on.

4 Hold in prime switch (P).

Hose Break-In Procedure

1 Make sure fluid flow

regulator (K) is turned all

the way down.

ti4653a

ti4303a

2 Pour approxi-

mately 1 gallon

hot water in

ti4364a

WATER

sprayer hopper

to lubricate the

pump.

5 Turn fluid flow regulator

(K) up to full pressure.

ti4301a

ti4655a

6 Run sprayer dry for 1 to 1-1/2 minutes.

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Compressor and Motor Repair

For 120 V sprayer use Compressor and Motor

Replacement Kit, 287315.

4 Loosen 4 bolts (2 each

side) to loosen tension on

belt.

For 230 V sprayer use Compressor and Motor

Replacement Kit, 287344.

Kits include motor/compressor and mounting hardware.

Disassembly

ti4388b

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

5 Slide belt off motor pully.

Then remove hopper, front and back covers, page 9.

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

1 Remove two screws and

access cover on the left

side of the motor.

ti4459a

6 Disconnect air line from

compressor to cooler

and remove.

ti4457a

2 Remove ground nut and

disconnect green ground

wire.

ti4460a

7 Remove 3 screws on

right side of cover and

remove cover.

ti4458a

3 Disconnect black and white

wires to motor.

ti4479a

ti4405a

ti4478a

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Compressor and Motor Repair

8 Loosen 2 shoulder

bolts about 2-3 turns.

Do not remove them.

Reassembly

1 Using two new shoulder

bolts and rubber mounts

included in your kit, insert

bolts into openings until

they start to snug up on

rubber mounts.

ti4463a

ti4465a

9 Remove single

shoulder bolt on other

side of motor com-

pletely.

2 Slide new motor into

sprayer frame, aligning

motor frame opening

under bolts. Tighten bolts.

ti4425a

ti4468a

10 Slide out motor

assembly.

3 Replace shoulder bolt

on left side with new

bolt from your kit.

Tighten bolt.

ti4424a

ti4462a

4 Replace end cover.

Replace and tighten 3

screws.

11 Completely remove old

shoulder bolts and rub-

ber mounts.

ti4484a

ti4464a

12 Thoroughly clean inside housing to remove dust and

debris.

ti4485a

5 Reattach air line to cooler

and compressor. Tighten

fitting.

ti4516a

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Compressor and Motor Repair

6 Slide belt over pulleys and set tension. See Replacing

Belt, page 19.

8 Replace reattach green

ground wire and grounding

nut.

7 Reattach black and white

wires to motor.

Wires are not polarity

sensitive.

ti4470a

ti4412a

9 Replace cover plate and

screws.

10 Replace RotoFlex HD

Pump and hose exten-

sion, page 12.

11 Replace front and back

covers and hopper. See

Removing and Replacing

Hopper, Front and Back

Cover, page 9.

ti4471a

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Compressor Rebuild Kit

To replace piston, seals and sleeve.

4 Remove 3/8 in. bolt

holding piston to

For 120 V sprayer use Compressor Rebuild Kit 287330.

For 230 V sprayer use Compressor Rebuild Kit 287331.

motor shaft.

ti4707a

Disassembly

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Then remove back cover, page 9.

5 Loosen 4 bolts on top

of motor housing.

1 Disconnect air line to

motor.

ti4708a

ti4460a

2 Remove 3 screws in

side of motor cover.

Remove cover.

6 Remove bolts and

housing from motor.

ti4479a

ti4478a

ti4709a

7 Remove piston rod

from motor.

3 Remove fan bolt from

center of fan and

remove fan from

housing.

8 Using parts in kit

replace piston, seals

and sleeve.

ti4710a

ti4706a

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Compressor Rebuild Kit

5 Replace motor fan

and center fan bolt.

Reassembly

1 Insert new piston rod from

kit in motor housing.

6 Tighten bolt.

ti4704a

ti4700a

7 Replace motor

cover and screws.

2 Replace and tighten

piston bolt.

3 Replace top motor

hosing and 4 bolts.

ti4701a

ti4485a

8 Reconnect air line

from motor to

cooler.

9 Replace back cover.

See Removing and

Replacing Hopper,

Front and Back

4 Tighten bolts.

Cover, page 9.

ti4703a

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Removing and Replacing Belt

Use Belt Replacement Kits 118845.

Replacing Belt

1 Using new belt from Kit,

position new belt around

pulleys making sure the

teeth in the belt are

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Then remove hopper, front and back covers, page 9.

properly engaged with

teeth on pulleys.

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

Removing Belt

ti4392a

1 Loosen 4 bolts (2 each

side) to loosen tension on

belt.

2 Replace support rod.

Tighten 2 bolts (1 each

side) to secure support-

ing rod.

ti4388b

ti4393a

2 Loosen 2 bolts (1 each

side) holding down sup-

port rod.

3 Insert crow bar under

assembly as shown and

raise motor assembly

until desired belt ten-

sion is achieved.

ti4388a

ti4469a

3 Using a screw driver for

leverage, lift up on motor

support rod on one side

of motor and ease it out

of the holding bracket far

enough to remove old

belt. Discard old belt.

4 While holding motor

assembly in place with

crow bar. Spin pulley to

assure proper belt

engagement. Adjust

motor assembly position

as necessary.

ti4472a

At the same time, slide in

the new belt.

ti4391a

ti4459a

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Removing and Replacing Belt

5 Tighten all 4 bolts.

A correctly tensioned belt will feel very tight. To

measure correct tension, apply 4-5 lbs pressure

at belt midpoint with thumb. Belt should have

approximately 1/8 in. (3.175 mm) deflection.

ti4394a

6 Turn belt one more

time with your hand to

make sure teeth are

properly engaged and

tension is correct.

7 Replace RotoFlex HD

Pump and hose exten-

sion, page 12.

ti4477a

A loose belt will not last long. If in doubt, tighten

more.

ti4473a

8 Replace back and front

covers and hopper.

See Removing and

Replacing Hopper, Front and Back Cover, page 9.

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Roller Replacement

Use Roller Replacement Kit 287321.

Reassembly

1 Replace roller assembly.

Kit includes 2 rollers, 4 nylon washer, and 2 retaining

rings.

Disassembly

ti4398a

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Then remove hopper, front and back covers, page 9.

2 Reinstall snap ring.

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

1 Remove snap ring.

ti4399a

3 Replace RotoFlex HD Pump and hose extension,

page 12.

ti4396a

4 Replace back and front covers and hopper. See

Removing and Replacing Hopper, Front and Back

Cover, page 9.

2 Remove roller assembly

from rotor pins (a).

3 Clean rotor pins (a) and

ti4397a

check for damage. If pins

are worn or damaged,

replace rotor assembly,

(Rotor Assembly

Replacement, page 22.

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Rotor Assembly Replacement

Use Pump Assembly Replacement Kit 287255.

Reassembly

1 Put new rotor assembly from kit on shaft.

Disassembly

2 Insert a wrench in the

pulley to prevent it

from moving..

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Then remove hopper, front and back covers, page 9.

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

ti4714a

1 To prevent rotor assembly

from moving, insert a long

screw driver or pry bar in the

pulley.

3 Replace bolt. Torque to

40 ft. lbs.

ti4714a

ti4712a

2 Remove large bolt and

washer in center of rotor

assembly.

4 Replace RotoFlex HD Pump and hose extension,

page 12.

3 Pull rotor assembly off

shaft.

ti4711a

5 Replace back and front covers and hopper. See

Removing and Replacing Hopper, Front and Back

Cover, page 9.

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Air Cylinder and Solenoid Valve

Use Cylinder Replacement Kit, 287323.

4 Gently push cylinder forward,

relieving tension on pin. Pull

out pin.

For 120 V sprayer use Solenoid Replacement Kit

287324.

For 230V sprayer use Solenoid Replacement Kit

287351.

ti4409a

Disassembly

If replacing solenoid valve only, it can be done at

this time.

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

a Using an adjustable wrench, rotate entire solenoid

valve assembly counter clockwise from cylinder.

b Replace solenoid valve and continue with step 4 of

reassembly.

Then remove hopper, front and back covers, page 9.

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

5 Lift cylinder up and pull it

back.

1 Remove hose from quick

release fitting by using your

fingers on one hand to push

in on ring while at the same

time, using the other hand,

gently pull the hose out of the

6 Remove dampening

grommet.

ti4518a

fitting.

7 Using a 15/16 in. wrench,

loosen nut, located inside

sprayer frame at the end

ti4406a

2 Remove electric wire ter-

minal connections.

of the air cylinder.

ti4415a

8 Using a 15/16 in. wrench,

loosen nut on the other

ti4416a

side of the sprayer frame.

3 Remove cotter key located

on the end of the cylinder pin,

by using a pliers to straighten

the ends and pull it out of the

hole.

9 Pull cylinder out of sprayer

frame.

If replacing cylinder only,

remove solenoid valve

(see a and b above) and

reinstall on new cylinder.

ti4453a

ti4414a

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Air Cylinder and Solenoid Valve

6 Replace cotter pin

Reassembly

through hole in pin,

bending ends to secure.

1 Insert crowned backing

nut on shaft of cylinder.

2 Using new cylinder

from kit, position cylin-

der in sprayer frame,

inserting end of cylin-

der through pump

ti4456a

ti4421a

7 Reattach electric wire

terminals. Terminals are

not polarity sensitive and

can be connected to

either post.

bracket mounting hole.

ti4417a

3 Install locking nut flush

to end of shaft.

8 Gently push hose in

quick release fitting.

4 Install dampening

grommet.

5 Align hole in end of air cylin-

der and replace pin.

ti4407a

9 Replace RotoFlex HD Pump and hose extension,

page 12.

ti4410a

10 Replace front cover and hopper. See Removing and

Replacing Hopper, Front and Back Cover, page 9.

ti4455a

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Relief Valve and Flow Sensor Manifold

For 120 V sprayer use Relief Valve Replacement Kit

287325.

Reassembly

1 Position new relief valve from Kit in back of sprayer.

For 230 V sprayer use Relief Valve Replacement Kit

287350.

2 Replace and tighten screws.

3 Reattach wires to Relief Valve.

4 Reattach air line from cooler to manifold.

Disassembly

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

5 Reattach air line to regulator.Replace RotoFlex HD

Pump and hose extension, page 12.

Then remove hopper, front and back covers, page 9.

6 Replace front cover and hopper. See Removing and

Replacing Hopper, Front and Back Cover, page 9.

1 Remove air line to

regulator.

2 Remove air line from

cooler to manifold.

ti4423a

3 Disconnect wires to Relief Valve. Pay attention to their

location to insure they are reattached correctly.

4 Remove 2 nuts securing

Relief Valve to sprayer.

ti4418a

5 Remove Relief Valve

from sprayer frame.

ti4419a

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Air Flow Sensor Replacement

For 120 V sprayer use Sensor Replacement Kit 287326.

2 Rotate coun-

ter-clockwise to

remove sensor

from manifold.

For 230 V sprayer use Sensor Replacement Kit 287345.

If you are just replacing the sensor, you do not

have to remove the motor first.

Disassembly

ti4480a

First read and follow instructions in the Before

performing any service on sprayer section, page 9.

Reassembly

Then remove hopper, front and back covers, page 9.

1 Rotate new sensor

from kit clockwise, all

the way into opening

in Relief Valve

Remove hose extension and RotoFlex HD Pump

assembly from frame, page 11.

1 Disconnect all

wire

housing. Lightly

tighten nut.

connections.

ti4486a

2 Reconnect all wires.

ti4481a

ti4487a

3 Replace RotoFlex HD

Pump and hose exten-

sion, page 12.

ti4482a

ti4488a

4 Replace back and front

covers and hopper.

See Removing and

Replacing Hopper,

Front and Back Cover,

page 9.

WHITE WIRE

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Troubleshooting

Pressure Relief, page 7

Problem

Cause

Solution

Turn switch on.

Sprayer won’t run or stops intermit-

tently

Power switch not on

No power at wall outlet

Check outlet by plugging in another

appliance. If appliance does not

work, try another outlet.

Wrong size generator

Use a 7500 watt or larger generator.

Refer to Generator Requirements,

page 8.

Temperature too cold

Allow unit to warm up.

Too many items on same circuit

Internal thermal switch tripped

Unplug other items from circuit.

Self-resetting. Allow unit to cool down

15 minutes and restart. Usually

occurs when wrong size extension

cord is used.

Extension cord too long or wrong

gauge

Use a 12 gage extension cord or

remove extension cord. Refer to

Grounding and Electric Require-

ments, page 7.

Breaker tripped

Air lock

Reset breaker.

Pump won’t pump material or low

output

Open air valve on gun.

Mix too thick

Add water to thin material. Use Mate-

rial Thickness Gauge.

Loose fittings

Plugged gun

Check and retighten all fittings.

Relieve Pressure, page 7. Remove

gun from hose. Clean gun.

RotoFlex HD Pump worn out

Replace hose.

Pump cold or material frozen in pump Move pump to warm room and allow

it to warm up or run hot water through

sprayer.

Sensor is bad

Replace, page 26

Check air system for leaks

Remove shroud and examine for air

leaks

Loose wire

Remove shroud and examine wiring

Rebuild compressor

No air pressure

Sensor is bad

Soft start won’t work/pump, always

loaded

Change sensor, page 26

Air leak due to bad seal keeps valve Replace seal

open

Normal soft start system delay

Release trigger for 10-15 seconds.

Retry.

Switch is not operating properly

Replace switch

Damaged solenoid valve on cylinder Check gun supply, hose and sprayer

for leaks

AIr leak

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Troubleshooting

Problem

Cause

Solution

Replace hose.

Material runs out of bottom of sprayer RotoFlex HD Pump worn out

Loose fittings

Check and retighten all fittings.

Open gun air valve.

No air from compressor

Gun air valve closed

Gun needle plugged

Lines not connected

Clean needle and retry.

Check all quick disconnect connec-

tions to gun and hoses.

Damaged hose

Replace hose.

Worn compressor

Service compressor. Contact a quali-

fied Graco Service Center.

Speed of application too slow

Material too thick

Nozzle too small

Thin material.

Change nozzles to a larger size. See

Operation Manual, Recommended

Nozzle Selection Chart, page 20.

Speed of application too slow (cont.) Flow control set too low

Plugged or dirty gun

Increase flow control setting

Relieve Pressure, page 7. Clean

gun.

Kinked hose

Unkink hose.

Gun fluid flow adjustment set too low Increase flow adjustment with flow

adjustment nut.

Intermittent flow/sputtering or air in

material

Hopper connection not tight

Debris in system

Check gasket. TIghten connection.

Clean

Air quick disconnect does not stay

connected.

Dirty or corroded fitting

Clean thoroughly. Soak in oil. Apply a

few drops of light oil.

Gun will not shut off

Worn nozzle or needle.

Relieve Pressure, page 7. Replace

worn parts.

Debris in needle passage

Relieve Pressure, page 7. Clean.

Fluid leaking at Flow Adjustment Nut Damaged seal.

Relieve Pressure, page 7. Replace

seal.

Needle adjustment won’t adjust

Dirty threads

Clean threads

Nozzle not on gun

Put nozzle on gun

Flow nut set to maximum adjustment Turn flow nut adjustment the other

way

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Air Diagram

Air Cylinder

Air Compressor

Air Cooler

Gun

Regulator

Guage

One Way Valve

Air Flow Control

ti4369a

Wiring Diagram

Air Compressor

Air Cylinder

Prime

Switch

Power

Switch

150/151

Air Flow

Control

Green

White

Black

ti4370d

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Parts

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Parts List

Item

No. Part No. Description

Qty

No. Part No. Description

Qty

15D628 CONDUCTOR, ground

103785 RIVET

287327 KIT, repair, shaft, bracket, pump

assbly.

287256 BRACKET, compressor

118869 TUBE

15D610 SHAFT, motor, mount

287346 SHIELD, rear, assbly

(includes 19, 49A, 49B, 49C)

287315 KIT, compressor replacement

(includes 1A and 1B-1E),

120V sprayers

287330 KIT, compressor rebuild,

120V sprayers

287344 KIT, compressor replacement

(includes 1A, and 1B-1D),

230V sprayers

49A 15D561 COVER, tool tray

49B▲ 15D939 LABEL, warning, English, French,

Spanish

287336 KIT, label, warning, all languages

except those included in 15D939

49C▲ 15D940 LABEL, identification

287331 KIT, compressor rebuild,

230V sprayers

119872 SCREW, shoulder

118886 GROMMET, isolator

118889 GROMMET, isolator

119381 COVER, terminal

121479 CAPACITOR, start

118845 BELT

15D634 WIRE, jumper

116937 BEARING, flanged, bronze

117630 SCREW, torx, tri lob

116666 TUBE, air

287304 HOSE SET, twin line, 1 in. x 25-ft

15C090 GAUGE, thickness, fluid

183401 KEY, parallel

117728 FITTING, compression, union

15D156 PULLEY, rotor

118888 HOSE, air (includes 1/4 in. tubing

and one-way valve)

15D862 NUT, hand

116720 COUPLER, air, quick disconnect

108851 WASHER, plain

118876 TUBE, air, aluminum

117637 NUT, compression

112395 SCREW, cap

15D633 WIRE, jumper

103473 STRAP, tie, wire

15B815 COOLER

101242 RING, retaining, ext.

287255 ROTOR, pump, assbly

(includes 38, 38A, 38B)

106276 SCREW, cap, hex head

113397 BALL, sponge, 30 mm

112785 SCREW, flanged, hex head

115498 SCREW, mach, slot, hex, wash hd

118887 HOSE, air (includes 1/4 in. tubing

and one-way valve)

118866 WASHER, flat

101 248091 GUN, non-bleeder

287321 KIT, roller replacement

(includes 38A, 38B and two rollers)

▲ Replacement Danger and Warning labels, tags and

38A 113983 RING, retaining, ext

38B 117726 WASHER, nylon

cards are available at no cost.

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Parts

154

ti4372C

153

151

150a

152a

152b 152c 152d 152e

150b

150c

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Parts List

Item

No. Part No. Description

Qty

No. Part No. Description

Qty

15D634 WIRE, jumper

116666 TUBE, air

287304 HOSE SET, twin line, 1 in. x 25-ft

116720 COUPLER, air, quick disconnect

104641 FITTING, bulkhead

116658 FITTING, tube, male, 1/4 NPT

116171 BUSHING, strain relief

116411 SPRING, compression

116477 WASHER, flat, nylon

118844 REGULATOR, air, 1/8 in. NPT

287323 KIT, cylinder, replacement,

(includes 5A, 5B, 89)

15D576 SPACER, crowned

118871 NUT, lock, 1/2-20

117720 GAUGE, pressure

115244 NUT, regulator

186620 LABEL, ground, symbol

117693 SWITCH, power

119064 SWITCH, power

15D559 VALVE, assembly, 120V (includes

sensor) sprayer

287350 VALVE, assembly, 230V (includes

sensor) sprayer

15D560 VALVE, cylinder, 120V sprayer

287351 VALVE, cylinder, 230V sprayer

118888 HOSE, air (includes 1/4 in. tubing

and one-way valve)

8▲

116342 CAP, end

115498 SCREW, mach, slot, hex, wash hd

102040 NUT, lock, hex

81▲ 198492 LABEL, warning

118887 HOSE, air (includes 1/4 in. tubing

and one-way valve)

83▲ 15D089 LABEL, warning, hot surface

89 801012 GROMMET

90▲ 15D951 LABEL, identification

91▲ 15D953 LABEL, identification

92▲ 15D952 LABEL, identification

150

15C968 TUBE, air

287347 HOPPER, texture (includes

bracket)

118872 GASKET

CORD, power

15D862 NUT, hand

150a 15D630 Americas/Canada, 120V, 60 Hz

150b 15E056 Europe/Asia, 230V, 50 Hz

(hardwired, rubber cord)

150c 15E061 United Kingdom, 110V, 60, Hz

151 15D902 CORD, power, Europe/Austra-

lia/China, 230V, 50 Hz (requires

287326 KIT, sensor only, 120V

287345 KIT, sensor only, 230V

287348 SHIELD, front (includes 28)

108471 KNOB, pronged

15D589 BRACKET, hose, outer

15D588 BRACKET, hose, inner

287314 KIT, RotoFlex HD Pump

cordset adapter, 152, following)

ADAPTER, cordset, (for 15D902),

152

28▲ 189286 LABEL, warning

152a 242001 Europe

152c 242002 Italy

152d 242003 Denmark

152d 242004 Switzerland

152e 242005 Australia/China

153 195551 RETAINER, (for 15D902)

154 15F966 BAFFLE, hopper

118885 HOSE, coupled (includes grommet)

287254 FRAME, texture, blue

15D633 WIRE, jumper

116478 WHEEL, pneumatic

49B▲ 15D939 LABEL, warning, English, French,

Spanish

287336 KIT, label, warning, all languages

except those included in 15D939

49C▲ 15D940 LABEL, identification

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TechnicalData

Technical Data

Maximum working fluid pressure

Maximum working air pressure

Material pressure operating range

Compressor

100 psi (6.9 bar)

45 psi (3.1 bar)

0-100 psi (0 to 6.9 bar)

Type

Oilless

Air delivery

6.5 CFM @ 40 psi (184.1 lpm @ 2.8 bar)

Motor

120V, 60 Hz 15A

230V, 50 Hz 10A

Hopper capacity

15 US gallons (57 liters)

2.0 gpm (7.57 lpm)

Maximum delivery with texture material

Dimensions

Length

27 in. (685.8 mm) with handles

26 in. (660.4 mm)

Width

Height

40 in. (1016 mm)

Weight

With hoses and gun

Without hoses and gun

Wetted parts

147 lb (66.68 kg)

131 lb (59.47 kg)

PVC, Buna-N, anodized aluminum, powder coat

aluminum, brass, polyethylene, SST, UHMW

Sound data

Sound pressure level*

Sound power level#

85.8 db(A)

100.1 db(A)

Generator (minimum size requirement)

Maximum external working air pressure (must use

7500W (7.5 kW)

120 psi (8.3 bar)

External Air Hookup Kit 287328 ONLY)

*Measured while spraying at 1 m.

#Measured per ISO-3744

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Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in

material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty

published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by

Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written

recommendations.

This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by 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 of Graco equipment with

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 Graco distributor for verification of

the claimed defect. If the claimed defect is verified, Graco will repair or 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, repairs will

be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.

THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED

TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.

Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy

(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or

consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.

GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT

MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to

the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these

warranties.

In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or

the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the

negligence of Graco, or otherwise.

POUR LES CLIENTS DE GRACO PARLANT FRANCAIS

Les parties reconnaissent avoir convenu que la rédaction du présent document ainsi que de tous les documents, avis et procédures judiciaires

exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées, sera en anglais.

PARA LOS CLIENTES DE GRACO QUE HABLAN ESPAÑOL

Las partes reconocen haber convenido que el presente documento, así como todos los documentos, notificaciones y procedimientos judiciales

emprendidos, presentados o establecidos que tengan que ver con estas garantías directa o indirectamente, estarán redactados en inglés.

PER I CLIENTI GRACO ITALIANI

Le controparti riconoscono di aver richiesto che il presente documento, e tutti gli altri documenti, avvisi e informazioni di natura legale sottoscritti,

conferiti o istituiti direttamente o indirettamente, siano redatti in lingua inglese.

PARA CLIENTES PORTUGUESES DA GRACO

As partes confirmam que solicitaram que o presente documento, assim como todos os demais documentos, notas e processos legais inseridos,

atribuídos ou instituídos de acordo com o mesmo ou relacionados directa ou indirectamente com este documento, fossem redigidos em inglês.

VOOR GRACO-KLANTEN IN NEDERLAND

De partijen zijn zich ervan bewust dat zij hebben geëist dat het onderhavige document, evenals alle documenten, berichtgevingen en wettelijke

procedures die worden aangegaan, overhandigd of in gang gezet hetzij als gevolg van hetzij rechtstreeks hetzij indirect in relatie tot het

onderhavige worden opgesteld in de Engelse taal.

ADDITIONAL WARRANTY COVERAGE

Graco does provide extended warranty and wear warranty for products described in the “Graco Contractor Equipment Warranty Program”.

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Warranty

TO PLACE AN ORDER, contact your Graco distributor, or call 1-800-690-2894 to identify the nearest distributor.

All written and visual data contained in this document reflects the latest product information available at the time of publication.

Graco reserves the right to make changes at any time without notice.

MM 310645

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

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

www.graco.com

3/2004 Rev. 01/2008

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