Graco 231-316 Series C Instructions Manual
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Graco 231-316 Series C Instructions Manual

Graco 231-316 Series C Instructions Manual

5.5 horsepower, gasoline powered gm 5000 convertible airless paint sprayer 3000 psi (210 bar, 21 mpa) maximum working pressure
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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
GM 5000 Convertible
Airless Paint Sprayer
3000 psi (210 bar, 21 MPa) Maximum Working Pressure
Model 231-316, Series C
Basic sprayer, without hose or gun
Model 231-330
Basic sprayer, without hose or gun, gas powered with
electric motor kit
Model 231-331
Complete sprayer, with hose and Contractor gun,
RAC IV
DripLess
Tip Guard,
and 517 size SwitchTip
Optional Electric Motor Kit
Model 236–379
This 2 HP electric motor accessory converts
the unit to an electric powered sprayer in
just seconds.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1993, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–327
Supersedes Rev. G
First choice when
quality counts.
Rev. H
7340A

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Summary of Contents for Graco 231-316 Series C

  • Page 1 Model 236–379 This 2 HP electric motor accessory converts the unit to an electric powered sprayer in just seconds. 7340A GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1993, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Do not use hoses to pull equipment. Route 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). Do not lift pressurized equipment.

  • Page 3: Warnings

    WARNING 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. Fluid injected into the skin may look like just a cut, but it is a serious injury.

  • Page 4: Fire And Explosion Hazard

    WARNING 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. 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 7203A Fig. 1 Pressure Control Switch ON/OFF, enables/disables clutch function Pressure Adjusting Knob Controls fluid outlet pressure Air Cleaner* Filters air entering the carburetor Fuel Tank*...

  • Page 6: Setup

    See Fig. 2. 4. Fill the packing nut/wetcup (416). One full squirt CAUTION of Graco Throat Seal Liquid (TSL) is usually enough. To avoid damaging the pressure control, which may result in poor equipment performance and compo- nent damage, follow these precautions.

  • Page 7: Fueling

    Setup 5. Check the engine oil level. Refer to the Honda engine manual, supplied. This is a summary of the information: Remove one of the oil fill plugs (C); the oil should be almost overflowing. See Fig 3. Add oil as necessary. Recommended lubrication oil: Use a high-quality, detergent oil, SAE 10W-40, classified “FOR SER- VICE SE or SF”, for regular use and for breaking-...

  • Page 8: Startup

    Startup CAUTION Never try to start the engine unless fluid pressure is relieved and the pressure control switch is OFF. Trigger safety Trying to start the engine when it is pressurized latch shown engaged could damage the recoil system. To start the engine 1.
  • Page 9 Startup 4. Close the pressure drain valve (60). See Fig. 5. Adjust the engine speed and Squeeze the trigger until fluid flows from the gun. pump pressure This primes the hoses. Release the trigger. En- gage the gun safety latch. See Fig. 4, page 8. 1.

  • Page 10: Maintenance

    Maintenance AFTER EACH 100 HOURS OF OPERATION: WARNING Change the oil. INJECTION HAZARD MONTHLY: Oil connecting rod. To reduce the risk of serious injury, whenever you are instructed to relieve SPARK PLUG: Use only an BPR6ES (NGK) or pressure, follow the Pressure Relief W20EPR–U (NIPPONDENSO) plug.

  • Page 11: Flushing

    Flushing When to Flush 1. New Sprayer. This sprayer was factory tested in 5. Storage. lightweight oil,which was left in to protect the pump parts. Water base paint: flush with water, then mineral spirits and leave the pump, hose and gun filled Before using water–base paint, flush with mineral with mineral spirits.
  • Page 12 Flushing How to Flush 7. Check all fluid connections for leaks. Relieve WARNING pressure before tightening any connections. Start the sprayer. Recheck the connections for leaks. INJECTION HAZARD To reduce the risk of serious injury, 8. Remove the suction tube from the solvent pail. whenever you are instructed to relieve Disengage the trigger safety latch.

  • Page 13: Troubleshooting

    Connect cable on top of engine or replace spark spark plug damaged plug. Water frozen in pressure control Return pressure control to authorized Graco dealer for repair. Engine won’t “pull over” Oil seepage into combustion Remove spark plug. Pull starter rope 3 or 4 times.
  • Page 14 Troubleshooting PROBLEM CAUSE SOLUTION Pump inlet screen clogged Clean. Displacement pump output low on upstroke output low on upstroke Piston ball check not seating Service piston ball check. See page 24. Piston packings worn or damaged Replace packings. See page 24. Sleeve gasket in displacement pump is Replace.

  • Page 15: Bearing Housing And Connecting Rod

    Bearing Housing and Connecting Rod WARNING CAUTION INJECTION HAZARD DO NOT use the bearing housing screw (73) to align To reduce the risk of serious injury, or seat the bearing housing with the drive housing. whenever you are instructed to relieve These parts must be aligned using the locating pins pressure, follow the Pressure Relief (F), to help avoid premature bearing wear.

  • Page 16: Drive Housing

    Drive Housing WARNING CAUTION INJECTION HAZARD Do not drop the gear cluster (16) when removing the To reduce the risk of serious injury, drive housing (5). The gear cluster is easily dam- whenever you are instructed to relieve aged. The gear may stay engaged in the drive pressure, follow the Pressure Relief housing or pinion housing.

  • Page 17: Pinion

    Pinion Remove the Pinion Housing Repairing the Pinion NOTE: Repair Kit No. 236–394 includes the shaft and WARNING bearings pre-assembled and lubricated. A hydraulic press is not required. Use the repair procedure below. INJECTION HAZARD To reduce the risk of serious injury, NOTE: If purchasing the pinion parts separately, whenever you are instructed to relieve the repair must be done by a qualified technician since...

  • Page 18: Clutch

    Clutch NOTE: The clutch assembly (212) includes the arma- 4. Tap lightly on the back of the bearing housing (11) ture (212a) and rotor (212b). The armature and rotor with a plastic mallet to loosen the drive housing must be replaced together so they wear evenly. assembly (5) from the clutch housing (222).

  • Page 19: Field And Wiring Harness

    Field and Wiring Harness NOTE: Refer to Fig. 12. 1. Pull the plastic caps (A) off the wire screws (22) in both places on the field. Loosen the screws and release the wires (64). 2. Loosen the four setscrews (211). Pull off the field (210).
  • Page 20 Alternator D, 203 See Fig. 13 for a detail of CUTAWAY VIEW where 206 connects 02728 Fig. 16 NOTE: Refer to Fig. 16 which also shows the the mounting bracket. When pressing the shaft assembly in a cutaway view. (209) through the bearing (204), press it until the groove D is exposed, then install the retaining ring 4.

  • Page 21: Reassembly

    Reassembly 1. Install the field (210) in the clutch housing (222). 3. Be sure the face of the armature (212b) is clean. Working through the slot in the clutch housing, Assemble the armature to the hub in the pinion connect the wires of the harness (64) to the housing (219).

  • Page 22: Pressure Control Replacement

    Pressure Control Replacement 4. Remove two screws (54) from filter bracket (111). WARNING See Fig. 22. INJECTION HAZARD 5. Disconnect the filter (18) from the pressure control To reduce the risk of serious injury, (74) while holding nipple (317) firmly. whenever you are instructed to relieve pressure, follow the Pressure Relief Remove the screws (67) and lock washers (110)
  • Page 23 Pressure Control Replacement 7. Remove the four mounting screws and washers (302, 303, 304) from the pressure control cover (301). See Fig. 23. 8. Carefully remove the pressure control cover (301) so as not to stress the cables. 9. Disconnect the black and white wires of the pres- sure control cable (314) from the pressure control cover.

  • Page 24: Displacement Pump

    Displacement Pump Repairing the pump. WARNING See manual 307–806 for displacement pump repair. INJECTION HAZARD To reduce the risk of serious injury, Installing the pump. (See Fig. 25.) whenever you are instructed to relieve pressure, follow the Pressure Relief 1. Screw the pump about 3/4 of the way into the Procedure on page 10.
  • Page 25 Notes 308–327...

  • Page 26: Parts Basic Sprayer

    Parts – Basic Sprayer Model 231–316, Series A See alternate view of 74 below See exploded view on page 28 See parts in manual 307–806 See engine detail on page 27 See parts on page 30 Ref 219d Ref 63 Ref 63 7213A Ref 51...
  • Page 27 Parts – Basic Sprayer Model 231–316, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 802–264 ENGINE, 5.5 HP 220–980 HARNESS, wiring, Shown on page 28 1 241–299 CLUTCH HOUSING ALTERNATOR 108–842 SCREW, cap, flange, 5/16–24 x 3/4” See separate parts list on page 28 112–386 100–644...

  • Page 28: Clutch Housing Alternator

    Parts – Clutch Housing Alternator 219a 219e 218f 219b 218d 219c 218a 219d 218e 218c 218b 02697 212a 212b 02737 Lubricate exterior Lubricate inner and outer diameters Lubricate teeth Press fit before 218f Press fit after 218d Ref No. 2 Part No.

  • Page 29: Complete Sprayer

    Parts – Complete Sprayer Model 231–331 Includes items 125 to 128 Ref. Part No. Description Qty. 231–316 CONVERTIBLE GM5000 Basic Sprayer See parts list on page 27 238–361 HOSE, grounded, nylon; 1/4” ID; cpld 1/4 npsm(fbe); 50 ft (15 m);’ spring guards both ends 238–358 HOSE, grounded, nylon;...

  • Page 30: Pressure Control

    Parts – Pressure Control Basic Pressure Control for the GM5000 Convertible Sprayer Part No. Description Part No. Description 112–373 KNOB 239–519 ENGINE CONTROL BOARD 185–565 LABEL 107–251 SCREW, panhead, 10–24 x 1 in. 237–674 CONDUCTOR 112–610 SCREW, panhead, 10–24 x 2 in. 109–078 CONNECTOR 100–020...

  • Page 31: Technical Data

    Graco Phone Summary Number This manual was revised to add a freeze-resistant TO PLACE AN ORDER , contact your Graco distribu- pressure control ( to replace the older Bour- 239–518) tor, or call this number to identify the distributor closest don Tube pressure control ( 222–369)

  • Page 32: 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:

231-330231-331236–379231-316

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