Page 2 - Contents
2 311019L Contents WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Drive Housing and Connecting Rod . . . . . . . . . . . 8Pini...
Page 3 - Warning
Warning 311019L 3 Warning The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual o...
Page 4 - WARNING
Warning 4 311019L EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury.• Do not exceed the maximum working pressure or temperature rating of the lowest rated system compo-nent. See Technical Data in all equipment manuals. • Use fluids and solvents that are compatible with equipment wette...
Page 5 - Maintenance; Pressure Relief Procedure; Front Wheel Alignment:
Maintenance 311019L 5 Maintenance Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol. 1. Engage trigger lock.2. Close the bleed-type master air valve.3. Disengage the trigger lock.4. Hold a metal part of the gun firmly to a grounded metal pail. Trigger the gu...
Page 6 - Troubleshooting
Troubleshooting 6 311019L Troubleshooting Problem Cause Solution Engine will not start Engine switch is OFF Turn engine switch ON Engine is out of gasoline Refill gas tank. Honda Engines Owner's Manual. Engine oil level is low Check oil level. Replenish oil, if neces-sary. Honda Engines Owner's Manu...
Page 8 - Drive Housing and Connecting Rod; Removal; Installation
Drive Housing and Connecting Rod 8 311019L Drive Housing and Connecting Rod Removal 1. Relieve pressure, page 5. 2. F IG . 2. Remove screws (32) and front cover (52). 3. Remove pump. Refer to Displacement Pump, Removal , page 14. 4. Remove four screws (34) from drive housing (43). 5. Pull connecting...
Page 9 - Pinion Assembly/Clutch Armature Removal
Pinion Assembly/Clutch Armature/Clamp 311019L 9 Pinion Assembly/Clutch Armature/Clamp Pinion Assembly/Clutch Armature Removal Pinion Assembly If pinion assembly (44) is not removed from clutch housing (45), do 1. through 3. Otherwise, start at 4. 1. Relieve pressure, page 5. 2. Remove drive housing;...
Page 10 - Clamp Removal; Clamp Installation
Pinion Assembly/Clutch Armature/Clamp 10 311019L Installation Clutch Armature 1. F IG . 8. Lay two stacks of two dimes on smooth bench surface. 2. Lay armature (39) on two stacks of dimes. 3. Press center of hub down to bench surface. F IG . 8 4. Install armature (39) on engine drive shaft. 5. Insta...
Page 11 - Clutch Housing; Engine
Clutch Housing 311019L 11 Clutch Housing Removal 1. Remove clamp. Do Clamp Removal , page 10. 2. F IG . 11. Remove four screws (51) and lock washers (50) which hold clutch housing (45) to engine. 3. Remove screw (145) from under mounting plate. 4. Pull off clutch housing (45). Installation 1. F IG ....
Page 12 - Pressure Control
Pressure Control 12 311019L Pressure Control On/Off Switch Removal 1. Relieve pressure, page 5. 2. F IG . 14. Remove two screws (108) and open cover (62a). 3. Disconnect ON/OFF switch connector from PC board. 4. Press in on two retaining tabs on each side of ON/OFF switch (62d) and remove switch fro...
Page 13 - Control Board; Pressure Control Transducer; Pressure Adjust Potentiometer
Pressure Control 311019L 13 Control Board Removal 1. Relieve pressure, page 5. 2. F IG . 14. Remove two screws (108) and open cover (62a) 3. Disconnect engine and ground wires from wire harness (66). 4. Disconnect at control board (62e):• Lead from potentiometer (62b) • Lead from transducer (155) • ...
Page 14 - Displacement Pump; Repair
Displacement Pump 14 311019L Displacement Pump Removal 1. Flush pump. 2. Relieve pressure, page 5. 3. F IG . 16. Stop pump with piston rod (201) in its lowest position. 4. F IG . 15. Loosen two screws (32) and remove pump rod cover (107). F IG . 15 5. F IG . 16. Remove hose (118) and suction hose (5...
Page 16 - Parts Drawing
Parts Drawing 16 311019L Parts Drawing ti6242c 2 65 65 93 64 112 90 6 4 91 115 14 8 11 150 86 3 64 93 131 9 89 16 18 1 19 54 184 74 108 55 53 59 94 149 143 151 66 9 132 97 148 147 129 148 ref 144 15 110 93 9 55 64 7 74 10 153 158 137 111 85 84 83 81 82 115 114 60 ti24872a 130
Page 17 - Parts List
Parts List 311019L 17 Parts List Replacement Danger and Warning labels, tags, and cards are available at no cost. Ref. No. Part No. Description Qty . 1 287630 FRAME, LL 1 2 119542 WHEEL, small 1 3 119543 WHEEL, large 2 4 15F127 FORK, painted 1 5 119532 BEARING, flanged 2 6 15E780 PIN, fork 1 7 15E...
Page 20 - Parts Drawing and List - Pinion Housing
Parts Drawing 20 311019L Parts Drawing and List - Pinion Housing Ref No. 44: Pinion Housing * May be ordered separately No. Part No. Description Qty 44 287376 PINION HOUSING 1 44a 287482 KIT, repair, coil 1 44b 105489 PIN 2 44c* 287485 PINION SHAFT 1 44d* 113094 RETAINING RING, large 1 ti5539a 44a 4...
Page 21 - Gun Arm Parts
Parts Drawing 311019L 21 Gun Arm Parts ti6241a 20e 20b 20c 20d 20a 20f 21 156 18 Ref 73 24 17 20 25 59 70 72 23 77 Ref Part Description Qty 17 248157 GUN, Flex, basic 1 20 287570 HOLDER, gun 1 20a 287569 HOLDER, gun 1 20b 15F214 LEVER, actuator 1 20c 15F209 STUD, pull trigger 1 20d 15F210 STUD, pivo...
Page 22 - Pressure Control/Filter Assembly
Pressure Control/Filter Assembly 22 311019L Pressure Control/Filter Assembly ti6389a ti6239 b 18 Ref 63 105 104 103 13 87 155 Ref 106 118 Ref 75 Ref 141 100 98 101 102 106 152 67 62d 62c 62b 62a 62e 62g 62f 155 62b (green/yellow) (from engine) (black) (red) pink clutch (-) clutch (+) ground 62h 106 ...
Page 23 - Pressure Con
Pressure Control/Filter Assembly 311019L 23 Pressure Control/Filter Assembly Ref Part Description Qty 13 15E748 BRACKET, manifold 1 62 CONTROL, assy 62a 15E991 COVER, control box 1 62b 256219 POTENTIOMETER 1 62c 116167 KNOB, potentiometer 1 62d 116752 SWITCH, rocker 1 62e 287486 BOARD, control, 1 62...
Page 24 - Dimensions
Technical Data 24 311019L Technical Data Dimensions Honda GX120 Engine ANSI Power Rating @ 3600 rpm 4.0 Horsepower (2.9 kW) Maximum working pressure 3300 psi (227 bar, 22.7 MPa) Noise Level Sound power 100 dBa per ISO 3744 Sound pressure 86 dBa measured at 3.1 feet (1 m) Vibration Level * Left hand ...
Page 25 - Notes
Page 26 - Graco Standard Warranty; Graco Information
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. For patent information, see www.graco.com/patents Original instructions. This manual contains Engl...
