Graco 330GS Manual
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Graco 330GS Manual

Graco 330GS Manual

Airless gas sprayer
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REPAIR and PARTS
Parts
330GS Airless Gas Sprayer
Model 246418
3000 psi (207 bar, 20.7 MPa) Maximum Working Pressure
Read warnings and instructions.
ti3274A
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001
309654A
Related Manuals
309653 – Operation
309652 – Tool Tips
307806 – Pump Repair

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Summary of Contents for Graco 330GS

  • Page 1 3000 psi (207 bar, 20.7 MPa) Maximum Working Pressure Read warnings and instructions. Related Manuals 309653 – Operation 309652 – Tool Tips 307806 – Pump Repair ti3274A GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001...
  • Page 2 WARNING Fire and explosion hazard: Solvent and paint fumes can ignite or explode. To help prevent a fire and explosion: Use only in an extremely well ventilated area. Eliminate all ignition sources; such as pilot lights, cigarettes and plastic drop cloths (static arc hazard). Do not plug or unplug power cords or turn lights on or off in spray area.
  • Page 3 CONTROLS Engine Controls Engine On/Off Switch Drain Valve Pump On/Off Switch Pressure Control Trigger Lock Locked Unlocked 309654...

  • Page 4: Maintenance

    Maintenance DAILY: Check gun safety for proper operation. WARNING DAILY: Check pressure drain valve for proper opera- tion. Page 2 DAILY: Check and fill the gas tank. Pressure Relief Procedure DAILY: Remove air filter cover and clean element. Replace element, if necessary. If operating in an 1.

  • Page 5: Troubleshooting

    70_ F, the resistance must be between 1.2 ± 0.2Ω ; if not, replace pinion housing. Have pressure control checked by authorized Graco dealer. Clutch is worn, damaged, or incorrectly Replace clutch. Page 9. positioned Pinion assembly is worn or damaged Repair or replace pinion assembly.
  • Page 6 PROBLEM CAUSE SOLUTION Pump output is low Strainer (32) is clogged Clean strainer. Piston ball is not seating Service piston ball. Manual 307806. Piston packings are worn or damaged Replace packings. Manual 307806. O-ring in pump is worn or damaged Replace o-ring.

  • Page 7: Bearing Housing And Connecting Rod

    Bearing Housing and Connecting Rod Removal 4. Align connecting rod with crank (B) and carefully align locating pins (F) in drive housing (20) with holes in bearing housing (52). Push bearing hous- Relieve pressure; page 4. ing onto drive housing or tap into place with plastic mallet.

  • Page 8: Drive Housing

    Drive Housing Removal Installation 1. Liberally apply bearing grease (supplied with replacement gear cluster) to gear cluster (79) and Relieve pressure; page 4. to areas called out by note 2. Use full 0.62 pint (0.29 liter) of grease. 2. Fig. 3. Remove bearing housing. Do steps 1–7. of 2.

  • Page 9: Pinion Assembly/Rotor/Field/Shaft/Clutch

    Pinion Assembly/Rotor/Field/Shaft/Clutch Removal If pinion assembly (85) is not removed from clutch 5. Fig. 6. Place pinion assembly (85) on bench with housing (70), do steps 1–4. Otherwise, start at step 5. rotor side up. 6. Remove four screws (84) and lockwashers (78). Install two screws in threaded holes (E) in rotor.
  • Page 10 Pinion Assembly/Rotor/Field/Shaft/Clutch Installation 1. Fig. 9. Lay two stacks of two dimes on smooth 7. Install retaining ring (85e) with beveled side facing bench surface. field. 2. Lay armature (100) on two stacks of dimes. 8. Fig. 6. Place pinion assembly on bench with rotor side up.

  • Page 11: Clutch Housing

    Clutch Housing Removal 1. Fig. 11. Remove four capscrews (71) and lock- washers (72) which hold clutch housing (70) to engine. 2. Remove screw (10) from under mounting plate (D). 3. Remove engine key (73). 4. Pull off clutch housing (70). Installation 1.

  • Page 12: Hour Meter Replacement

    Hour Meter Replacement The sprayer is equipped with a SenDEC Hour Meter. 1. Fig. 14: Unplug wire leads (A) from hour meter Every 25 hours it will flash SVC, signaling the need to (28). service the sprayer. (Maintenance, page 4.) 2.

  • Page 13: On/Off Switch

    On/Off Switch Removal Installation 1. Install new ON/OFF switch (48) so tabs of switch snap into place on inside of pressure control Relieve pressure; page 4. housing (26). 2. Fig. 15. Remove four screws (24) and 2. Connect ON/OFF switch connector (B) to PC cover (22).

  • Page 14: Pressure Control Transducer

    Pressure Control Control Board Removal Installation When installing replacement control board, follow instructions with control board to set model type. Relieve pressure; page 4. 1. Fig. 15. Install control board (21) and jam nut 2. Fig. 15. Remove four screws (24) and (21a).

  • Page 15: Displacement Pump

    Fig. 20 ti3594a Fig. 18 ti3594a Repair 4. Fig. 21. Fill packing nut with Graco TSL until fluid See manual 307806 for pump repair instructions. flows onto the top of seal. Installation WARNING If pin (44) works loose, parts could break off due to force of pumping action.

  • Page 16: Parts Drawing

    Parts Drawing DETAIL A 38 37 77 78 TI3275A 9 10 309654...

  • Page 17: Parts List

    Parts List Ref No. Part No. Description Ref No. Part No. Description 108868 CLAMP, wire 114672 WASHER, thrust 112827 BUTTON, snap 15B966 HOUSING, clutch 192027 SLEEVE, cart 109031 SCREW. cap, sch. 237686 CLAMP, grounding assembly 104008 WASHER, lock, spring 112798 SCREW 183401 KEY, parallel...

  • Page 18: Parts List & Drawing - Pinion Assembly

    Parts List & Drawing – Pinion Assembly Ref No. 85 and 20 Ref 85: Pinion Housing Assembly 246706 Ref 20: Drive Housing Assembly 246707 Part No. Description Part No. Description 246706 PINION HOUSING 246707 DRIVE HOUSING 105489 107089 WASHER 85d* 241110 PINION SHAFT 116191...

  • Page 19: Parts Drawing - Sprayer

    Parts Drawing – Sprayer ti3583a Parts List – Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 198548 HOUSING, control 240925 POTENTIOMETER 245394 BOARD, control; includes 21a 162453 NIPPLE NUT, nylon 104361 PACKING, o–ring 15C143 COVER, control, housing 102* 243080 FILTER, fluid 116252 SCREW, #8, taptite, phillips...

  • Page 20: Wiring Diagram

    Wiring Diagram ON/OFF SWITCH PINION HOUSING CONTROL BOARD TRANSDUCER VIEW A TI3278A TO ENGINE POTENTIOMETER VIEW A Engine Power Clutch Coil Thermistor 309654...

  • Page 21: Technical Data

    ......22 in. (55.9 cm) Graco Phone Number TO PLACE AN ORDER, contact your Graco distributor, or call this number to identify the distributor closest to you: 1–800–690–2894 Toll Free 309654...

  • Page 22: Graco Warranty

    Graco distributor 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 manual is also suitable for:

246418309653309652307806

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