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Graco GM7000 231327 Instructions-Parts List Manual

5.5 horsepower, gasoline–powered airless paint sprayer
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
5.5 HORSEPOWER, GASOLINE–POWERED
GM7000
3000 psi (207 bar, 21 MPa) Maximum Working Pressure
Model 231326, Series D
This is a basic sprayer without a hose or a gun.
Model 231327
This is a complete sprayer with hoses and a
Contractor gun, a RAC IV
t
and a 517 size SwitchTip
Model 231800, Series B
This is a Lo-Boy sprayer without a hose or a gun.
Model 231382
This is a complete sprayer with hoses and a
Contractor gun, a RAC IV
t
and a 517 size SwitchTip
CAUTION
Always use a minimum hose length of 100 foot
(30.4 m) 1/4 inch ID or 50 foot (15.2 m) 3/8 inch ID.
An undersized hose may result in poor equipment
performance and damage to the clutch or pressure
control.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Airless Paint Sprayer
t
t
DripLess
Tip Guard,
t
t
DripLess
Tip Guard,
ECOPYRIGHT 1994, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308398
Rev. P
Model 231327 Shown
03466B

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Summary of Contents for Graco GM7000 231327

  • Page 1 READ AND KEEP FOR REFERENCE. INSTRUCTIONS 5.5 HORSEPOWER, GASOLINE–POWERED GM7000 Airless Paint Sprayer 3000 psi (207 bar, 21 MPa) Maximum Working Pressure Model 231326, Series D This is a basic sprayer without a hose or a gun. Model 231327...
  • Page 2 Warnings ........Component Identification and Function Setup .
  • Page 3 INJECTION HAZARD Spray from the gun, 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. D Fluid injected into the skin may look like just a cut, but it is a serious injury.

  • Page 4: Fire And Explosion Hazard

    FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re- sult in a fire or explosion and serious injury. D If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.

  • Page 5: Component Identification And Function

    Component Identification and Function 202 Main hose 203 Whip end hose 204 Contractor gun with RAC IV DripLess tip guard and 517 size SwitchTip Fig. 1 Pressure Control Switch Pressure Adjusting Knob Air Cleaner* Fuel Tank* Muffler* Spark Plug Cable* Fuel Shutoff Lever* Choke* Throttle*...
  • Page 6 NOTE: A 55 gallon (200 liter) suction tube kit, Part No. 236951, is available. WARNING If you are supplying your own hoses and spray gun, be sure the hoses are electrically conductive, that the gun has a tip guard, and that each part is rated for at least 3000 psi (207 bar, 21 MPa) Maxi- mum Working Pressure.
  • Page 7 5. Be sure your system is properly grounded before operating it. Read and follow the warning section, FIRE OR EXPLOSION HAZARD, on page 4. Use the grounding wire and clamp (47) when- ever the sprayer is used as a stationary unit. 6.
  • Page 8 WARNING Gasoline is extremely flammable and explosive under certain conditions. Always turn the engine switch (K) to off before refueling. Refuel in a well–ventilated area. Do not smoke or allow flames or sparks in the area where the engine is refueled or where the gasoline is stored.
  • Page 9 WARNING A rope which recoils too quickly may hit someone and cause serious injury. The rope could also jam in recoil assembly. Hold the frame of the sprayer with one hand and pull the starter rope rapidly and firmly. Continue holding the rope as you let it return. Pull and return the rope until the engine starts.
  • Page 10 WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. DAILY: Check the engine oil level and fill as neces- sary. DAILY: Check hose for wear and damage. DAILY: Check gun safety for proper operation.
  • Page 11 When to Flush 1. New Sprayer. This sprayer was factory tested in lightweight oil,which was left in to protect the pump parts. Before using water–base paint, flush with mineral spirits, followed by a soapy water flush, and then a clean water flush. Before using oil–base paint, flush with mineral spirits.
  • Page 12 6. Follow Startup on page 8. Keep the gun trig- gered until clean solvent comes from the nozzle. Release the trigger and lock the gun trigger safety. NOTE: For two guns, unlock the gun trigger safety on the second gun and trigger that gun until clean solvent comes from the nozzle.

  • Page 13: Troubleshooting

    WARNING INJECTION HAZARD To reduce the risk of serious injury, including fluid injection or splashing in the eyes or on the skin, or injury from moving parts, always follow the Pressure Relief Procedure Warning, page 10, before checking, adjusting, cleaning or shutting down the sprayer. Disconnect the spark plug! Check everything in the chart before disassembling the sprayer.
  • Page 14 PROBLEM CAUSE The pump output is low on The inlet screen (31 or 23a) is clogged. the upstroke. the upstroke The piston ball (425) is not seating. The piston packings are worn or damaged. The gasket (417) in the displacement pump is worn or damaged.
  • Page 15 Bearing Housing & Connecting Rod WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. NOTE: Steps 1 to 13 refer to Fig. 7. 1. Relieve pressure. 2.

  • Page 16: Drive Housing

    WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. NOTE: Refer to Fig. 8 for this procedure. 1. Relieve pressure. 2. Remove the bearing housing. Follow Steps 1 to 8 on page 15.
  • Page 17 Drive Housing Model 231326 Shown 03473 Fig. 8 308398...
  • Page 18 Pinion, Clutch, Clamp, Field, & Engine Disassembling these parts can start from the pinion housing, or from the clutch if no pinion service is needed. If starting from the pinion housing, first follow Steps 3 to 5 of DRIVE HOUSING, on page 16, and then continue with the procedure below.

  • Page 19: Pinion Housing

    1.45 in Fig. 10 Repairing the Pinion NOTE: Refer to Fig. 10 except where noted. NOTE: A hydraulic press is required if you purchase the pinion parts individually. Otherwise, use Repair Kit No. 240162, which includes the shaft and bearings pre–assembled and lubricated.
  • Page 20 WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. NOTE: The clutch assembly (4) includes the armature (4a) and rotor (4b). The armature and rotor must be replaced together so they wear evenly.
  • Page 21 Field & Wiring Harness NOTE: Refer to Fig. 13. 1. Loosen the four setscrews (12) holding the field (6) to the clutch housing (2). 2. Pull off the field. 3. Pull the plastic caps (B) off the wire screws (98) in both places on the field.

  • Page 22: Clutch Housing

    NOTE: Refer to Fig. 15. 1. Remove the four capscrews (8) and lockwashers (9) which hold the clutch housing (2) to the engine. 2. Remove the capscrew (15), lockwasher (80) and washer (99) from beneath the mounting plate (D). 3. Remove the engine key (13). 4.
  • Page 23 1. Remove the Pinion Housing, Clutch, Field and Wiring Harness, Clamp and Clutch Housing, as instructed on pages 18 and 20 through 22. 2. See Fig. 16 and17. Disconnect the red wire from the engine lead (B). Disconnect the black and white wires from the field.
  • Page 24 1. Install the clutch housing (2), capscrews (8) and lockwashers (9) on the engine. See Fig. 18. 2. Install the engine shaft key (13). See Fig. 18. 3. Press the clamp (3) onto the engine shaft (A). Maintain the 1.99 "0.01 in. (50.55 "0.25 mm) dimension shown in Fig.
  • Page 25 6. Be sure the face of the rotor (4b) and the field are free of all oil and contaminants. Remove any burrs on the outside edge of the rotor. Install the rotor, lockwashers (11) and capscrews (16). Torque the capscrews to 125 "10 in-lb (14 "1.1 Nm). See Fig.

  • Page 26: Pressure Control Replacement

    Pressure Control Replacement WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. 1. Relieve pressure. 2. Disconnect both hoses at the pressure control while holding the fitting or elbow (A) firmly. See the CAUTION, below.

  • Page 27: Displacement Pump

    Displacement Pump WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. Removing the pump. (See Fig. 23.) 1. Relieve pressure. 2. Flush the pump. See page 11 3.
  • Page 28 Parts Drawing – Basic Sprayer Model 231326 Label See the detail.. See page 34 for the parts. See manual 307806 for the parts. Ref 30 77, 78 308398 Ref 19d Ref 59 Ref 36 DETAIL 3495C...
  • Page 29 Parts List – Basic Sprayer Part No. Description 108802 ENGINE 183397 CLUTCH HOUSING 183517 CLAMP, mounting, rotor 236568 CLUTCH ASSEMBLY Includes items 4a and 4b .ARMATURE .ROTOR 183400 FIELD 108800 PIN, dowel, spring, 5/16 x 1 inch 108842 CAPSCREW, hex head, 5/16–24 x 3/4 inch 100214 LOCKWASHER, 5/16 inch...
  • Page 30 Parts Drawing – Lo-Boy Sprayer Model 231800 Label See the detail, above. See page 32 for the parts. See page 35 for the parts. 308398 DETAIL Ref 36 Ref 35 5731C...
  • Page 31 Parts List – Lo-Boy Sprayer Part No. Description 108802 ENGINE 183397 CLUTCH HOUSING 183517 CLAMP, mounting, rotor 236568 KIT, repair, clutch; Includes 4a &4b ARMATURE ROTOR 183400 FIELD 108800 PIN, dowel, spring, 5/16 x 1 inch 108842 CAPSCREW, hex head, 5/16–24 x 3/4 inch 100214 LOCKWASHER, 5/16 inch...
  • Page 32 Parts Drawing – Lo-Boy Sprayer Model 231800 76, 77 Ref 34 Label See the detail, above. See page 34 for the parts. See manual 307806 for the parts. See page 35 for the parts. 308398 06871 87 59 50d{ 50f{ Ref 19d 50a{ 50b{...
  • Page 33 Parts List – Lo-Boy Sprayer Part No. Description 100214 LOCKWASHER, 5/16 inch 101864 CAPSCREW, socket head, 5/16–18 x 1 inch 236571 GEAR REDUCER 236572 PINION HOUSING ASSEMBLY See parts on page 34 236962 DRIVE HOUSING Includes items 20a to 20c 106227 .WASHER, bronze 100069...
  • Page 34 Parts List & Drawing – Complete Sprayer Models 231327 and 231382 GM7000 Airless Paint Sprayer Includes items 201 to 205 Part No. Description 231326 GM7000 Basic Sprayer See parts list on page 29 231800 GM7000 Lo-Boy Sprayer See parts list on pages 31 and 33 238041 HOSE, grounded, nylon;...
  • Page 35 Parts List – Pressure Control Basic Pressure Control for the GM7000 Sprayers Part No. Description 239056 ENGINE CONTROL BOARD 107251 SCREW, panhead, 10–24 x 1 inch 112610 SCREW, panhead, 10–24 x 2 inch 100020 LOCKWASHER, No. 10 189095 HOUSING, 112614 PLUG 105679 TOGGLE SWITCH...

  • Page 36: Technical Data

    Engine ......5.5 horsepower, Honda Maximum working pressure ..3000 psi (207 bar, 21 MPa) Noise Level Sound power .

This manual is also suitable for:

Gm7000 231326 series dGm7000 231382Gm7000 231800 series b231326231327231800 ... Show all

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