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INSTRUCTIONS-PARTS LIST 307741
Rev. R
This manual contains important
warnings and information.
First choice when
READ AND KEEP FOR REFERENCE.
quality counts.
INSTRUCTIONS
255 mm (10 in.) DIAMETER
Quiet King Air 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
03695A
Model 220106 Shown
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
C
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Table of Contents Symbols Warning Symbol Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 WARNING Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 This symbol alerts you to the possibility of serious Parts . . . . . . . . . . . . . . . . . . . . . . . .
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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. 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/valve at anyone or at any part of the body. Do not put your hand or fingers over the spray
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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. Ground the equipment and the object being sprayed. Refer to Grounding on page 5. If 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. Provide fresh air ventilation to a
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Installation 4. Spray gun or dispensing valve: Ground through General Information connection to a properly grounded fluid hose and NOTE: Reference numbers and letters in parentheses pump. in the text refer to the callouts in the figures and the parts drawing. 5. Object being sprayed: Follow your local code. NOTE: Always use Genuine Graco Parts and Acces- 6. Fluid supply container: Follow your local code. sories, available from your Graco distributor. 7. Solvent pails used when flushing: Follow y
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Installation Noise Reduction Air Motor Icing Moisture in the compressed air can collect in the air Instruction Manual 307375 is supplied with this motor. motor and freeze, causing the motor to stall. This is It provides information on noise reduction. called icing. If icing occurs, shut off the air supply and allow the ice to thaw. The following are additional recommendations for To minimize icing, reduce the moisture in your com- Maximum Noise Reduction: pressed air supply by using an air dryer
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Troubleshooting Pressure Relief Procedure Stalled Motor WARNING To restart a stalled motor, close the bleed-type master air valve to bleed off all trapped air pressure. Turn the INJECTION HAZARD air back on. This will trip the air valve of the air motor, To reduce the risk of serious injury, in- causing the piston to go to the top or bottom of its cluding fluid injection, splashing in the stroke. eyes or on the skin, or moving parts, always follow the Pressure Relief Procedure whenever you are
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Troubleshooting Air Leaks WARNING Air leaks are caused by worn or damaged gaskets or seals. To locate the leaks, first shut off the air supply to MOVING PARTS HAZARD the pump and open the bleed-type master air valve to Keep you fingers away from all moving relieve air pressure. Disconnect the main air supply parts while performing this test, to line from the air inlet. Remove the shield (27) as reduce the risk of pinching or amputating explained on page 10, then reinstall the other parts your fi
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Troubleshooting Pack cavity with light waterproof grease. Grease packing (46*). Lips of packing (46*) must face up. K (26) 29 D (30*) H (15) E (3) G (38*) *65 F (33*) B (*35) C (44*) *45, *46 03705A Model 220106 Shown Fig. 2
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Service b. For Model 237000: See page 22. Remove the WARNING lift ring (25), o-ring (26), screws (24), lock- washers (23), air inlet fitting (68), and mufflers To avoid serious injury and equipment (76). Remove the air tube (83) from the fitting damage, do not lift the equipment by the (87) and push it down through the grommet air motor lift ring if the total weight of the (81). Remove the shield (27). equipment exceeds 550 lb (250 kg). The lift ring cannot support that weight. 4. Remove the gas
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Service NOTE: Refer to Fig. 4 for steps 6 to 11. 9. Remove and check the valve plates (2), handling them carefully. Clean the plates and mating sur- 6. Remove the screws (31) and lockwashers (13) faces of the manifold (20). Remove the rubber pad from the manifold (20). (8). 7. To prevent the spring-loaded director valves NOTE: If you replace the valve plates, also replace the (3) from popping out, carefully lift the manifold seals (1). (20) up about 51 mm (2 in.) from the cylinder (36). Place on
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Service NOTE: Refer to Fig. 5 for steps 12 to 18. CAUTION 12. Remove the rubber pad (8) from the cylinder (36). Be careful not to damage the polished surface of the Remove the trip rod bearing (37), using a 1 in. piston shaft. deep-well socket wrench. Remove the gasket (66), v-block packing (65), and backup washer (64) from 15. Lock the hex of the piston shaft (34) in a vise and the bearing. unscrew the connecting rod stud (39) from the piston shaft. CAUTION CAUTION Be careful not to tilt the cy
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Service 8 37 66 64 65 40 36 34 34 33 47 13 40 31 07283A 39 35 03701 47 46 45 70 41 44 07421A Fig. 5
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Service 3. Grease the wiper seal (44*) and press-fit in the Reassembly base (47). 1. Clean all parts thoroughly and inspect for wear or damage. Replace parts as necessary. 4. Turn the base upright. Install the backup washer NOTE: Refer to Fig. 6 for steps 2 to 5. (45*) in the base (47). Grease the v-block packing (46*) and install it in the base so the lips face up. 2. Turn the base (47) upside down. If the bearing (70) was removed, press-fit the new bearing so its top 5. Place the o-ring (41) o
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Service NOTE: Refer to Fig. 7 for steps 6 to 10. 8. Regrease the inside of the cylinder (36). Carefully turn the piston assembly and cylinder over and guide it into the base (47). Align one of the cylin- 6. Grease the trip rod (40) with light, water-proof der’s air channels (M) with the notch (K) in the grease and slide it into the piston (34) shaft. Clean gasket (35) and with the optional fluid outlet (L) of the threads of the piston and the connecting rod the base. Install the lockwashers (13)
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Service NOTE: Refer to Fig. 8 for steps 11 to 16. 15. Install the rubber pad (8) in the air manifold (20). 11. Place the gasket (38*) on top of the cylinder (36). 12. Thread the hub (10) onto the trip rod (40). Lift the NOTE: On Model 235525, check that the plugs (9) are rod and grasp it with the padded locking pliers. in place in the air manifold exhaust ports (E). Screw the hub down as far as possible by hand. On Model 237000, check that the tubing (82) is se- 13. Install the air valve housing
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Service NOTE: Refer to Fig. 9 for steps 17 to 22. 22. Reconnect the motor to the displacement pump, remount the pump and connect the air and fluid 17. Lubricate the housing (18), spring (17), and guide lines. Reconnect the ground wire before operating (16) with light, water-proof grease. Assemble the the pump. housing and spring into the guide. Lubricate the pin (19) and slide it into the housing. Slide these assembled parts into the air manifold (20). Be sure the pin (19) is aligned with the sl
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Parts Model 220106, Series A Standard Quiet Air Motor 25 67 24 32 68 36 26 23 21 69 72 35* 27 71 28 33* 53 34 29 *30 20 31 13 19 18 17 16 40 15 14 8 7 6 39 5 46* 4 45* 3 41 2 12 11 10 1 *38 47 8 37 13 66 31 *64 62 63 *65 43 70 44* 03696A
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Parts Model 220106, Series A Standard Quiet Air Motor Ref Ref No. Part No. Description Qty No. Part No. Description Qty 1 168184 SEAL, plate 2 37 215933 BEARING, trip rod 1 2 176536 PLATE, valve 2 38* 176575 GASKET; cellulose fibre 1 3 176518 VALVE, director 2 39 176564 STUD, connecting rod 1 4 176543 SPRING, compression 2 40 218597 TRIP ROD ASSY 1 5 176519 HOUSING, air valve 1 41 102737 O-RING; buna-N 1 6 105319 LOCKWASHER; 10 mm 1 43 102725 PLUG, pipe 1 7 176569 NUT, trip rod 1 44* 161569
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Parts Model 235525, Series B Quiet Air Motor 25 68 36 24 26 23 72 35* 71 27 28 33* 34 53 29 *30 20 31 19 13 18 17 16 40 15 9 14 8 7 6 39 5 46* 4 45* 3 41 2 12 11 10 1 *38 47 8 37 13 66 31 *64 62 63 *65 43 70 44* 03698A
