Graco Quiet King 03695A Manual de operación

307741

Rev. R

First choice when

quality counts.t

03695A

Model 220106 Shown

INSTRUCTIONS-PARTS LIST

INSTRUCTIONS

This manual contains important

warnings and information.

READ AND KEEP FOR REFERENCE.

255 mm (10 in.) DIAMETER

Quiet KingRAir Motor

0.6 MPa, 6.2 bar (90 psi) Maximum Working Pressure

Part No. 220106, Series A

Standard Quiet Air Motor

Part No. 235525, Series B

Quiet Air Motor

Part No. 237000, Series A

Reduced Icing Quiet Air Motor

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

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

2 307741

Table of Contents

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Phone Number 28. . . . . . . . . . . . . . . . . . . . . . . . . .

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 stated on the equipment or in the Technical Data

for your equipment. Do not exceed the maximum working pressure of the lowest rated component

in your system.

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.

DDo not use hoses to pull equipment.

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

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

DWear hearing protection when operating this equipment.

DDo not lift pressurized equipment.

DDo not lift the equipment by the air motor lift ring if the total weight of the equipment exceeds 550 lb

(250 kg).

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

3307741

WARNING

INJECTION HAZARD

Spray from the gun/valve, 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 medi-

cal attention.

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

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

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

DBe sure the gun/valve trigger safety operates before spraying/dispensing.

DLock the gun/valve trigger safety when you stop spraying/dispensing.

DFollow the Pressure Relief Procedure on page 7 whenever you: are instructed to relieve pres-

sure; stop spraying/dispensing; clean, check, or service the equipment; and install or clean the

spray tip/nozzle.

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, can pinch or amputate your fingers.

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

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 7 to prevent the

equipment from starting unexpectedly.

4 307741

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 5.

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

ing/dispensing 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/dispensed.

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

DElectrically disconnect all equipment in the spray/dispense area.

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

DDo not smoke in the spray/dispense area.

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

present.

DDo not operate a gasoline engine in the spray/dispense 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.

5307741

Installation

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.

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 4.

1. Pump: Use a ground wire and clamp as shown in

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

washer (X). Insert one end of a 12 ga (1.5 mm@)

minimum ground wire (Y) into the slot in lug (Z)

and tighten the locknut securely. Connect the other

end of the wire to a true earth ground. Order part

number 237569 Grounding Clamp and Wire.

2. Air and fluid hoses: Use only electrically conduc-

tive hoses.

3. Air compressor: Follow manufacturer’s recommen-

dations.

4. Spray gun or dispensing valve: Ground through

connection to a properly grounded fluid hose and

pump.

5. Object being sprayed: Follow your local code.

6. Fluid supply container: Follow your local code.

7. 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.

8. To maintain grounding continuity when flushing or

relieving pressure, hold a metal part of the spray

gun/dispense valve firmly to the side of a grounded

metal pail, then trigger the gun/valve.

Fig. 1

6 307741

Installation

Noise Reduction

Instruction Manual 307375 is supplied with this motor.

It provides information on noise reduction.

The following are additional recommendations for

Maximum Noise Reduction:

DThe air line should be connected to the air motor

inlet with an electrically conductive flexible hose.

Also, use flexible fluid outlet and suction hoses.

Where possible, avoid using solid plumbing, which

carries noise vibrations.

DMount the air motor on resilient rubber pads, rather

than sheet metal.

DDetermine minimum air inlet pressure and pump

cycle rate to achieve desired spray/dispensing

results or minimum fluid pressure and flow. This will

result in less system wear and less overall noise.

Air Motor Icing

Moisture in the compressed air can collect in the air

motor and freeze, causing the motor to stall. This is

called icing. If icing occurs, shut off the air supply and

allow the ice to thaw.

To minimize icing, reduce the moisture in your com-

pressed air supply by using an air dryer or a filter

which traps water.

Slope the main air line slightly downward so water will

collect at the end of the line, where it can be drained.

Additionally, plumb each drop line from the top of the

main air line. Install an automatic drain or a drain valve

at the bottom of each drop.

Model 237000 Reduced Icing Air Motor allows you to

divert a stream of air over the air valves. This flow of

warm air prevents water from collecting and freezing.

The amount of air is adjustable with a needle valve

(88, see the parts drawing on page 22).

For additional help in designing your system, contact

your Graco distributor.

7307741

Troubleshooting

Pressure Relief Procedure

WARNING

INJECTION HAZARD

To reduce the risk of serious injury, in-

cluding fluid injection, splashing in the

eyes or on the skin, or moving parts,

always follow the Pressure Relief Procedure

whenever you

Dare instructed to relieve the pressure

Dshut off the pump

Dstop spraying/dispensing

Dcheck or service any of the system equipment

Dinstall or clean the spray tips/nozzles

1. Lock the gun/valve trigger safety.

2. Turn off the air to the motor.

3. Close the bleed-type master air valve (required in

your system).

4. Unlock the gun/valve trigger safety. Hold a metal

part of the gun/valve firmly to a grounded metal

pail. Trigger the gun/valve to relieve pressure.

5. Lock the gun/valve trigger safety.

6. Open the fluid drain valve. Leave the fluid drain

valve open until you are ready to spray/dispense

again.

If you suspect that the spray tip/nozzle 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

to relieve pressure gradually, then loosen completely.

Now clear the tip/nozzle or hose obstruction.

Stalled Motor

To restart a stalled motor, close the bleed-type master

air valve to bleed off all trapped air pressure. Turn the

air back on. This will trip the air valve of the air motor,

causing the piston to go to the top or bottom of its

stroke.

WARNING

MOVING PARTS HAZARD

The piston in the air motor moves when

air is supplied to the motor. Moving parts

can pinch or amputate your fingers or

other body parts. Relieve the pressure before

servicing the motor.

If Motor Will Not Operate

Check the following areas for damage or wear and

replace parts as needed.

Air valving mechanism: director valve (3), spring (4),

air valve housing (5), valve plate (2), valve plate seal

(1).

Trip rod: check for broken spring or bent rod (40). Do

not attempt to repair the trip rod.

Damaged toggle mechanism: guide (16), spring (17),

housing (18), pin (19).

8 307741

Troubleshooting

Air Leaks

Air leaks are caused by worn or damaged gaskets or

seals. To locate the leaks, first shut off the air supply to

the pump and open the bleed-type master air valve to

relieve air pressure. Disconnect the main air supply

line from the air inlet. Remove the shield (27) as

explained on page 10, then reinstall the other parts

and connect the main air line to the inlet.

Open the bleed-type master air valve and adjust the air

pressure to .07–0.1 MPa, 0.7–1.0 bar (10–15 psi). Stall

the pump on both the up and down stroke as indicated

in the Check Chart below. Use the methods listed in

the Check Chart to find where air is leaking. See Fig.

WARNING

MOVING PARTS HAZARD

Keep you fingers away from all moving

parts while performing this test, to

reduce the risk of pinching or amputating

your fingers. Reinstall the air motor shield before

resuming normal operation of the pump.

Check for air leaks by feeling, listening, or squirting oil

around the suspected area. The oil will bubble if there

is a leak.

CHECK CHART

Stroke Position Letter Ref. Points Check Method Cause of Leakage

UP stroke only FBy listening for air leak at

exhaust outlets Worn trip rod packing (65).

BBy feel Blown air cylinder gasket

(35).

CSquirt oil around wiper (44) Worn throat packing (46).

GBy feel Damaged cylinder gasket

(38).

DOWN stroke only DBy feel. Damaged air manifold gas-

ket (30).

BOTH strokes EBy feeling exhaust, or

hearing a high-pitched

sound

Worn director valve (3).

Replace, or lap faces with

no. 500 grit sandpaper.

FBy feel, or hearing a high-

pitched sound Worn piston o-ring (33).

D or G By feel Blown manifold gaskets

(38 and 30).

HSquirt oil around o-ring

(15) Damaged housing o-ring

(15).

KBy feel Damaged o-ring (26).

9307741

Troubleshooting

03705A

Fig. 2

D(30*)

E(3)

G (38*)

F (33*)

C (44*)

*45, *46

B(*35)

*65

H(15)

K(26)

Model 220106 Shown

Pack cavity with light

waterproof grease.

Grease packing (46*).

3Lips of packing (46*)

must face up.

123

10 307741

Service

WARNING

To avoid serious injury and equipment

damage, do not lift the equipment by the

air motor lift ring if the total weight of the

equipment exceeds 550 lb (250 kg). The

lift ring cannot support that weight.

Tools Required

DPadded pliers, Part No. 207579 (for use on trip

rod).

DTorque wrench

D1 in. deep well socket wrench

DSet of socket or box wrenches

DAdjustable wrench

DO-ring pick

DLight waterproof grease

DLoctiter242 or equivalent

Disassembly

NOTE: Repair Kit 220153 is available. Parts included

are marked with an asterisk, for example (30*). For the

best results, use all the new parts in the kit.

NOTE: Inspect all parts as they are disassembled and

replace worn or damaged parts.

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 7.

1. Relieve the pressure.

2. Disconnect the air hose from the air inlet swivel

(68). Disconnect the displacement pump from the

motor.

NOTE: Refer to Fig. 3 for steps 3 to 5.

3. To remove the shield, perform step a or b, as

applicable.

a. For Models 220106 and 235525: Remove the

lift ring (25), o-ring (26), screws (24), lock-

washers (23), air inlet assembly, and shield

(27). See Fig. 3.

b. For Model 237000: See page 22. Remove the

lift ring (25), o-ring (26), screws (24), lock-

washers (23), air inlet fitting (68), and mufflers

(76). Remove the air tube (83) from the fitting

(87) and push it down through the grommet

(81). Remove the shield (27).

4. Remove the gasket (53). Lift off the manifold cap

(29). Remove the gasket (30).

5. Unscrew the toggle retainers (14), and remove the

o-rings (15), housing guides (16), springs (17),

housings (18), and pins (19) from each side of the

manifold (20).

07281A

Fig. 3

1918

25 67 32 68

Model 220106 Shown

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