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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
ELECTRIC, 120 VAC
495 st Airless Paint Sprayer
3000 psi (210 bar , 21 MPa) Maximum Working Pressure
Model 231–584, Series A
Standard mount; complete sprayer with hose,
Contactor FTx gun, RAC IV DripLess
Model 231–818, Series A
Standard mount; complete sprayer with hose,
Contactor ST gun, RAC IV DripLess
Model 231–585, Series A
Low profile cart; complete sprayer with hose,
Contactor FTx gun, RAC IV DripLess
Model 231–586, Series A
Upright cart; complete sprayer with hose,
Contactor FTx gun, RAC IV DripLess
Model 231–819, Series A
Upright cart; complete sprayer with hose,
Contactor ST gun,
RAC IV DripLess
Tip Guard
and SwitchTip
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Tip Guard and SwitchTip
Tip Guard and SwitchTip
Tip Guard and SwitchTip
Tip Guard and SwitchTip
COPYRIGHT 1997, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–716
Supersedes Rev. E
First choice when
quality counts.
Model 231–584 Shown
Rev. F
06973
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Related Manuals for Graco 231-586
Summary of Contents for Graco 231-586
- Page 1 Upright cart; complete sprayer with hose, Contactor ST gun, RAC IV DripLess Tip Guard and SwitchTip 06973 Model 231–584 Shown GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1997, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
......Graco Warranty ....... -
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 is a serious injury. - Page 4 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.
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Page 5: Component Identification And Function
Component Identification and Function Model 231–584 Shown 06973 Fig. 1 Motor DC motor, 120 Vac, 15A, 1 phase Drive Assembly Transfers power from DC motor to the displacement pump Pressure Adjusting Knob Controls fluid outlet pressure ON/OFF Switch Power switch that controls 120 Vac power to sprayer Fluid Outlet Hose and spray gun is connected here Displacement Pump... -
Page 6: Setup
Setup 2. Fill the wet–cup (102). Pry off the wet-cup seal. WARNING Fill the cup 1/3 full with Graco Throat Seal Liquid (TSL), supplied. Install the wet-cup seal. If you supply your own hoses and spray gun, be sure the hoses are electrically conductive, that the 3. -
Page 7: Operation
Setup Grounding Grounded Outlets WARNING Improper installation or alteration of the grounding Grounding Prong plug will result in a risk of electric shock, fire or Fig. 3 explosion that could cause serious injury or death. 2. Do not alter the ground prong or use an adapter. 1. - Page 8 Operation How to use the RAC IV tip guard. WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Tip handle shown in Procedure on page 9. spraying position. Turn handle 180 , The tip guard alerts you to the risk and helps prevent trigger gun to clear clog...
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Page 9: Startup
Startup NOTE: Refer to Fig. 2 and the other figures referenced WARNING in the text as you start the sprayer. INJECTION HAZARD 1. Open the pressure drain valve (42). See Fig. 8. The system pressure must be manually relieved to prevent the system from 2. - Page 10 Startup b. If more coverage is needed, use a larger tip WARNING rather than increasing the pressure. FIRE AND EXPLOSION HAZARD To reduce the risk of static sparking and c. Adjust the direction of the spray pattern. See Fig. 9. Engage the gun safety latch. Loosen splashing when priming or flushing the system, hold a metal part of the gun the retaining nut (A).
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Page 11: Shutdown And Care
Shutdown and Care WARNING WARNING INJECTION HAZARD INJECTION HAZARD See the warning section INJECTION To reduce the risk of serious injury, HAZARD on page 3 for information on whenever you are instructed to relieve the hazard of using damaged hoses. pressure, follow the Pressure Relief Procedure on page 9. -
Page 12: Flushing
Flushing When to Flush 3. Pour one-half gallon (2 liters) of compatible solvent into a grounded metal flushing pail. Put the suction 1. Before using a new sprayer: flush out the oil hose in the pail. which was left in to protect pump parts. 4. -
Page 13: Troubleshooting
Troubleshooting WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 9. Basic Problem Solving Check everything in the troubleshooting table before disassembling the sprayer. TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO... - Page 14 Basic Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column Electrical 5. Check motor armature commutator for burn 5. Remove motor and have motor shop (continued) spots, gouges and extreme roughness.
- Page 15 Intermediate Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column Low output 3. Release gun trigger. Observe resting position of 3. If pump consistently comes to rest with (continued) pump rod (107).
- Page 16 Intermediate Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO When check is not OK, refer to this column If check is OK, go to next check 1. Spray tip worn beyond sprayer pressure capa- 1. Replace spray tip. Spray Pattern Variations bility.
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Page 17: Motor Test
Motor Test WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. For checking armature, motor winding and brush electrical continuity. Setup Remove the drive housing. See page 24. This is to ensure that any resistance you notice in the armature test is due to the motor and not to worn gears in the drive housing. -
Page 18: General Repair Information
General Repair Information WARNING WARNING HOT SURFACE HAZARD INJECTION HAZARD During operation, the motor and drive To reduce the risk of serious injury, housing become very hot and could burn whenever you are instructed to relieve your skin if touched. Flammable materi- pressure, follow the Pressure Relief als spilled on the hot, bare motor could cause a fire Procedure on page 9. -
Page 19: Motor Brush
Motor Brushes NOTE: Replace brushes when worn to about 0.5 in. Motor lead; do not disconnect (12.5 mm). Always check both brushes. Brush Repair Minimum 0.5” (12.5 mm) Kit 236–967, which includes spring clip 112–766, is available for motors manufactured by Pacific Scientific. Included in Brush Repair Kit 236–967 NOTE: Replacement brushes may last only half as... - Page 20 Motor Brushes 9. Test the brushes. WARNING a. Remove the pump connecting rod pin (17). See Fig. 18, page 21. MOVING PARTS HAZARD Do not touch the brushes, leads, springs b. With the sprayer OFF, turn the pressure con- or brush holders while the sprayer is trol knob fully counterclockwise to minimum plugged in to reduce the risk of electric pressure.
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Page 21: Displacement Pump Repair
(121*). For the best leakage, but no tighter. Fill the packing nut/wet-cup results, use all the new parts in the kit, even if the old 1/3 full with Graco TSL. Push the plug (123) into ones still look good. the wet-cup. -
Page 22: Motor
Motor 9. Align the new motor with the base and reinstall the WARNING screws (46). 10. Assemble the drive housing to the motor. Follow INJECTION HAZARD steps 8 to 10 on page 24. To reduce the risk of serious injury, whenever you are instructed to relieve 11. -
Page 23: Motor Start Board
Motor Start Board 5. Install the new cord (50) in the reverse order of disassembly. 6. Install the junction box. Be sure no leads are WARNING pinched against the motor or by the motor start board. Also be sure the gasket (89) is installed. INJECTION HAZARD On/Off Switch To reduce the risk of serious injury,... -
Page 24: Drive Housing, Connecting Rod, Crankshaft
Drive Housing, Connecting Rod, Crankshaft WARNING CAUTION Do not allow the gear (16) to fall; it may stay at- INJECTION HAZARD tached to the drive housing or to the motor. To reduce the risk of serious injury, whenever you are instructed to relieve Do not lose the thrust balls (11a or 4a) or let them fall pressure, follow the Pressure Relief between the gears, which will damage the drive hous-... - Page 25 Drive Housing, Connecting Rod, Crankshaft REF A Torque to 2.4 N.m (21 in–lb) Quantity of three Quantity of one Apply a total of 3 fl. oz.(29 cc) of grease to gears. Note: Filter not shown 02815 Fig. 24...
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Page 26: Pressure Control
Pressure Control 7. Loosely install the screws (63) and then torque WARNING them to 21 in–lb (2.4 N.m). INJECTION HAZARD 8. Install the front cover (13). Connect the harness (A) to the motor start board (47). To reduce the risk of serious injury, whenever you are instructed to relieve 9. -
Page 27: Pressure Transducer
Pressure Transducer WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: See Fig. 26 for this procedure. 1. Remove the displacement pump. See page 21. 2. -
Page 28: Drain Valve
Drain Valve Repair WARNING 1. Unscrew the spring retainer from the valve body. Remove the spring, washers and stem/ball. Clean INJECTION HAZARD any debris from the ball or seat area. To reduce the risk of serious injury, whenever you are instructed to relieve 2. -
Page 29: Technical Data
......0.50 gpm (1.9 lpm) Order the labels directly from Graco, free of Tip Size . - Page 30 Sprayer Parts Drawing Model 231–584, Series B Model 231–818, Series A Label See detail on page 31 REF 33 REF 32 OUT- SIDE LABEL INSIDE LABEL 06974B...
- Page 31 Sprayer Parts List Model 231–584, Series B and Model 231–818, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 111–700 GRIP, handle 110–997 SCREW, washer/hex hd, 5/16” 237–458 MOTOR KIT 235–707 MOTOR START BOARD Includes items 4a to 4f includes items 47a to 47c 4a.a 100–069...
- Page 32 Sprayer Parts Drawing Model 231–585, Series A 24 REF 66 REF REF 33 REF 32 OUT- SIDE LABEL INSIDE LABEL Label See page 33 for detail...
- Page 33 Sprayer Parts List Model 231–585, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 280–290 SLEEVE, cart 187–625 HANDLE, drain valve 237–458 MOTOR KIT 110–997 SCREW, washer/hex hd, 5/16” Includes items 4a to 4f 235–707 MOTOR START BOARD 4a.a 100–069 .
- Page 34 Sprayer Parts Drawing Model 231–586, Series A Model 231–819, Series A OUT- SIDE LABEL INSIDE LABEL Label See page 35 for detail...
- Page 35 Sprayer Parts List Model 231–586, Series A and Model 231–819, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 192–027 SLEEVE, cart 186–620 LABEL, ground terminal 237–458 MOTOR KIT 110–037 SCREW, mach, pnhd, 10–24 x 5/8” Includes items 4a to 4f 235–010 POWER CORD SET 100–069...
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Page 36: 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.