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5

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Instructions – Parts List

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

Copyright 1999, Graco Inc. is registered to I.S. EN ISO 9001

Pail Mount

Airless Packages 308765F

Model 232437 Shown

8109C

0359 II 1/2 G T3

ITS03ATEX11251

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

See page 2 for table of contents.

2 308765

Table of Contents

List of Models 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setup 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Warranty 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Information 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List of Models

Package

Part No. Series Pump Model Ratio Maximum Fluid

Working Pressure Maximum Air

Input Pressure

232433 AMonarkr, carbon steel,

with hose and gun,

without agitator

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

232434 AMonarkr, carbon steel,

without agitator, hose,

and gun

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

232437 AMonarkr, carbon steel,

with agitator, hose,

and gun

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

232445 AMonarkr, stainless steel,

with hose and gun,

without agitator

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

232446 AMonarkr, stainless steel,

without agitator, hose,

and gun

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

232449 AMonarkr, stainless steel,

with agitator, hose,

and gun

23:1 2300 psi (16 MPa, 160 bar) 100 psi (0.7 MPa, 7 bar)

308765 3

Symbols

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.

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

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

DThis equipment is for professional use only.

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

DUse the equipment only for its intended purpose. If you are uncertain about usage, call your Graco

distributor.

DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.

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

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

Technical Data on page 18 for the maximum working pressure of this equipment.

DUse fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-

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

DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose

Graco hoses to temperatures above 180_F (82_C) or below –40_F (–40_C).

DWear hearing protection when operating this equipment.

DDo not lift pressurized equipment.

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

4 308765

WARNING

SKIN INJECTION HAZARD

Spray from the gun, hose 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.

DFluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate surgi-

cal treatment.

DDo not point the gun at anyone or at any part of the body.

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

DDo not stop or deflect leaks with your hand, body, glove or rag.

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

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

DCheck the gun diffuser operation weekly. Refer to the gun manual.

DBe sure the gun trigger safety operates before spraying.

DLock the gun trigger safety when you stop spraying.

DFollow the Pressure Relief Procedure on page 10 whenever you: are instructed to relieve pres-

sure; stop spraying; clean, check, or service the equipment; and install or clean the spray tip.

DTighten all fluid connections before operating the equipment.

DCheck the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.

Permanently coupled hoses cannot be repaired; replace the entire hose.

DUse only Graco approved hoses. Do not remove any spring guard that is used to help protect the

hose from rupture caused by kinks or bends near the couplings.

MOVING PARTS HAZARD

Moving parts, such as the air motor piston and agitator blades, can pinch or amputate your fingers.

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

DAlways shut off the agitator and disconnect the air line before you remove the agitator from the pail

or check or repair any part of the agitator.

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 10 to prevent the

equipment from starting unexpectedly.

308765 5

WARNING

FIRE AND EXPLOSION HAZARD

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

result in a fire or explosion and serious injury.

DGround the equipment and the object being sprayed. Refer to Grounding on page 7.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-

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

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid

being sprayed.

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

DElectrically disconnect all equipment in the spray area.

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

DDo not smoke in the spray area.

DDo not turn on or off any light switch in the spray area while operating or if fumes are present.

DDo not operate a gasoline engine in the spray area.

TOXIC FLUID HAZARD

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

inhaled, or swallowed.

DKnow the specific hazards of the fluid you are using.

DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

DAlways wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and

solvent manufacturer.

6 308765

Setup

General Information

NOTE: Reference numbers and letters in parentheses

in the text refer to the callouts in the figures and the

parts drawing.

NOTE: Always use Genuine Graco Parts and Acces-

sories, available from your Graco distributor. Refer to

Product Data Sheet 305900. If you supply your own

accessories, be sure they are adequately sized and

pressure-rated for your system.

Fig. 2 is only a guide for selecting and installing sys-

tem components and accessories. Contact your Graco

distributor for assistance in designing a system to suit

your particular needs.

Prepare the Operator

All persons who operate the equipment must be

trained in the safe, efficient operation of all system

components as well as the proper handling of all fluids.

All operators must thoroughly read all instruction

manuals, tags, and labels before operating the equip-

ment.

The following manuals are included with this equip-

ment:

D308765, Pail Mount Airless Packages

D307619, Monark 23:1 CST and SST Pumps

D307043, Monark Air Motor

D308686, Air Regulator Kit

D307273, Fluid Filter

D306565, Agitator (Models 232437

and 232449 only)

D311254, Airless Spray Gun

Prepare the Site

Ensure that you have an adequate compressed air

supply. Refer to the performance charts on page 18 to

find the air consumption of your pump.

Refer to Fig. 2 on page 9. Bring a compressed air

supply line from the air compressor to the pump loca-

tion. Be sure all air hoses are properly sized and

pressure-rated for your system. Use only electrically

conductive hoses. The air hose (A) should have a 3/8

npsm(m) thread.

Install a bleed-type shutoff valve (B) in the air line to

isolate the air line components for servicing. Install an

air line filter (C) and a moisture trap and drain valve

(D) to help remove moisture and contaminants from

the compressed air supply.

Keep the site clear of any obstacles or debris that

could interfere with the operator’s movement.

Have a grounded, metal pail available for use when

flushing the system.

308765 7

Setup

Grounding

WARNING

FIRE AND EXPLOSION HAZARD

Before operating the pump, ground the

system as explained below. Also read

the section FIRE AND EXPLOSION

HAZARD on page 5.

1. Pump: use the ground wire and clamp (supplied).

See Fig. 1. Loosen the grounding lug locknut (W)

and washer (X). Insert one end of the ground wire

(18) into the slot in lug (Z) and tighten the locknut

securely. Connect the other end of the wire to a

true earth ground.

2. Agitator (Models 232437 and 232449 only): one

end of the agitator ground wire (40, supplied) is

fastened to the agitator motor with a screw. Insert

the other end of the ground wire into the slot in lug

(Z). Insert the pump ground wire (18) as described

in step 1 and tighten the locknut (W) securely.

8238A

W

18

X

Z

40

Fig. 1

1Models with agitator only.

1

3. Air and fluid hoses: use only electrically conductive

hoses.

4. Air compressor: follow manufacturer’s recommen-

dations.

5. Spray gun: ground through connection to a prop-

erly grounded fluid hose and pump.

6. Fluid supply container: follow your local code.

7. Object being sprayed: follow your local code.

8. Solvent pails used when flushing: follow your local

code. Use only metal pails, which are conductive,

placed on a grounded surface. Do not place the

pail on a nonconductive surface, such as paper or

cardboard, which interrupts the grounding continu-

ity.

9. To maintain grounding continuity when flushing or

relieving pressure, hold a metal part of the spray

gun firmly to the side of a grounded metal pail,

then trigger the gun.

8 308765

Setup

Supplied Components

Refer to Fig. 2.

WARNING

A red-handled bleed-type master air valve (E) and

a fluid drain valve (F) are supplied. These compo-

nents help reduce the risk of serious injury, includ-

ing fluid injection and splashing of fluid in the eyes

or on the skin, and injury from moving parts if you

are adjusting or repairing the pump.

The bleed-type master air valve relieves air trapped

between this valve and the pump after the valve is

closed. Trapped air can cause the pump to cycle

unexpectedly. Locate the valve close to the pump.

The fluid drain valve assists in relieving fluid pres-

sure in the displacement pump, hose, and gun.

Triggering the gun to relieve pressure may not be

sufficient.

DThe red-handled bleed-type master air valve (E)

is required in your system to relieve air trapped

between it and the air motor and gun when the

valve is closed (see the WARNING above). Do not

block access to the valve.

DThe pump air regulator (G) controls pump speed

and outlet pressure by adjusting the air pressure to

the pump.

DThe air relief valve (15) opens automatically to

prevent overpressurization of the pump.

DThe air inlet swivel (H) connects incoming air to

the pump.

DThe strainer (42) keeps large particles from enter-

ing the pump.

DThe fluid filter (13) includes a 60 mesh (250

micron) stainless steel element to filter particles

from the fluid as it leaves the pump. It also includes

the fluid drain valve (F), which is required in your

system to relieve fluid pressure in the hose and gun

(see the WARNING at left).

DThe agitator (39), included on Models 232437 and

232449 only, keeps the fluid in suspension.

DThe airless spray gun (106) dispenses the fluid.

The gun houses the spray tip (107), which is

available in a wide range of sizes for different spray

patterns and rates of flow.

DThe fluid hose (101) and whip hose (103) supply

fluid to the gun.

DThe gun swivel (104) allows greater gun maneu-

verability. The swivel includes an in-line filter.

308765 9

Setup

8108C

KEY

SUPPLIED COMPONENTS

1 5 Gallon (19 liter) Pail Cover

2 Pump

13 Fluid Filter

(includes fluid drain valve F)

15 Air Relief Valve

18 Pump Ground Wire (required;

see page 7 for installation instructions)

19 5 Gallon (19 liter) Pail

39 Agitator

40 Agitator Ground Wire

101 Electrically Conductive Fluid Hose

103 Fluid Whip Hose

104 Gun Filter/Swivel

106 Airless Spray Gun

E* Red-Handled Bleed-Type

Master Air Valve (required, for pump)

F Fluid Drain Valve

G* Pump Air Regulator

H* Air Inlet Swivel

* Included in Air Regulation Kit (21).

COMPONENTS YOU MUST SUPPLY

A Electrically Conductive Air Supply Hose

B Bleed-Type Master Air Valve

(for accessories)

C Air Line Filter

D Air Line Moisture Trap and Drain Valve

Fig. 2

1

106

104

101

13

103

D

F

A

19

C

H*

B

15

Model 232437 Shown

2

E*

*G

18

40

39

10 308765

Operation

Pressure Relief Procedure

WARNING

SKIN INJECTION HAZARD

The system pressure must be manually

relieved to prevent the system from

starting or spraying accidentally. Fluid

under high pressure can be injected through the

skin and cause serious injury. To reduce the risk of

an injury from injection, splashing fluid, or moving

parts, follow the Pressure Relief Procedure

whenever you:

Dare instructed to relieve the pressure,

Dstop spraying,

Dcheck or service any of the system equipment,

Dor install or clean the spray tip.

1. Lock the gun trigger safety.

2. Close the red-handled bleed-type master air valve

(E, required in your system). See Fig. 3 on page

13.

3. Unlock the gun trigger safety.

4. Hold a metal part of the gun firmly to the side of a

grounded metal pail, and trigger the gun to relieve

pressure.

5. Lock the gun trigger safety.

6. Open the drain valve (F, required in your system),

having a container ready to catch the drainage.

7. 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, very slowly loosen the

tip guard retaining nut or hose end coupling and relieve

pressure gradually, then loosen completely. Now clear

the tip or hose.

Packing Nut

Before starting, fill the packing nut 1/3 full with Graco

Throat Seal Liquid (TSL) or compatible solvent. See

your separate pump manual.

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure at left.

The packing nut is torqued at the factory and is ready

for operation. If it becomes loose and there is leaking

from the throat packings, relieve pressure, then torque

the nut as specified in your separate pump manual. Do

this whenever necessary. Do not overtighten the

packing nut.

Flush the Pump Before First Use

The pump is tested with lightweight oil, which is left in

to protect the pump parts. If the fluid you are using

may be contaminated by the oil, flush it out with a

compatible solvent. See Flushing on page 14.