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Hitachi 231580 - page 1
308715 Rev . E 06973 Model 231580 INSTRUCTIONS-P ARTS LIST INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. DURON Airless Paint Sprayers ELECTRIC, 120 V AC 3000 psi (210 bar , 21 MPa) Maximum Working Pressure Performance 395 t Model 231580, Series A Standard mount; complete sprayer with hoses, gun, ...
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Hitachi 231580 - page 2
2 308715 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Component Identification and Function 5 . . . . . . . . . . . Setup 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Hitachi 231580 - page 3
W ARNING 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 . The injury may l ...
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Hitachi 231580 - page 4
4 308715 W ARNING INSTRUCTIONS EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury . This equipment is for professional use only . Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are ...
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Hitachi 231580 - page 5
06973 Component Function and Identification C Fig. 1 G E F D A K M B H N J L 05963 Model 231580 shown A Motor DC motor , 120 V ac, 15A, 1 phase B Drive Assembly T ransfers power from DC motor to the displacement pump C Pressure Adjusting Knob Controls fluid outlet pressure D ON/OFF Switch Power switch that controls 120 V a ...
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Hitachi 231580 - page 6
6 308715 Setup W ARNING If you supply 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 (210 bar , 21 MPa) Working Pres- sure . This is to reduce the risk of serious injury caused by static sparking, fluid injection or over- pressurization and ...
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Hitachi 231580 - page 7
Setup Grounding W ARNING Improper installation or alteration of the grounding plug will result in a risk of electric shock, fire or explosion that could cause serious injury or death. 1. This equipment requires a 120 V ac, 60 Hz, 15A circuit with a grounding receptacle. See Fig. 3. Fig. 3 Grounding Prong Grounded Outlets 2 ...
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Hitachi 231580 - page 8
Operation How to use the RAC IV tip guard. W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. The tip guard alerts you to the risk and helps prevent placing any part of the body close to the spray tip. The tip gu ...
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Hitachi 231580 - page 9
308715 9 Startup W ARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally . Fluid under high pressure can be injected through the skin and cause serious injury . T o reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Pr ...
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Hitachi 231580 - page 10
Startup W ARNING FIRE AND EXPLOSION HAZARD T o reduce the risk of static sparking and splashing when priming or flushing the system, hold a metal part of the gun firmly to the side of a grounded metal pail before triggering the gun. 7. T o prime the hose , lower the pressure to reduce splashing. Hold a metal part of the ...
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Hitachi 231580 - page 11
Shutdown and Care W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. Shutdown and Care 1. Check the packing nut/wet-cup daily (102). Relieve pressure first. Keep the wet-cup 1/3 full of TSL at all times to hel ...
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Hitachi 231580 - page 12
12 308715 Flushing When to Flush 1. Before using a new sprayer: flush out the oil which was left in to protect pump parts. Before using water-base paint: flush with min- eral spirits followed by soapy water , and then a clean water flush. Before using oil-base paint: flush with mineral spirits only . 2. Changing colors: flush with a compatible solv ...
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Hitachi 231580 - page 13
T roubleshooting W ARNING INJECTION HAZARD T o 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 WHA T TO CHECK If ch ...
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Hitachi 231580 - page 14
14 308715 Basic Problem Solving TYPE OF PROBLEM WHA T TO CHECK If check is OK, go to next check WHA T TO DO When check is not OK, refer to this column Electrical (continued) 5. Check motor armature commutator for burn spots, gouges and extreme roughness. Re- move motor cover and brush inspection plates to check. See page 19. 5. Remove motor and hav ...
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Hitachi 231580 - page 15
Intermediate Problem Solving TYPE OF PROBLEM WHA T TO CHECK If check is OK, go to next check WHA T TO DO When check is not OK, refer to this column Low output (continued) 3. Release gun trigger . Observe resting position of pump rod (107). 3. If pump consistently comes to rest with rod (107) fully extended, the piston p ...
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Hitachi 231580 - page 16
16 308715 Intermediate Problem Solving TYPE OF PROBLEM WHA T TO CHECK If check is OK, go to next check WHA T TO DO When check is not OK, refer to this column Spray Pattern V ariations 1. Spray tip worn beyond sprayer pressure capa- bility . 1. Replace spray tip. NOTE: A smaller size tip will provide longer life. 2. Check transducer (29) for wear or ...
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Hitachi 231580 - page 17
Motor T est W ARNING INJECTION HAZARD T o 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 res ...
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Hitachi 231580 - page 18
General Repair Information W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. T ool List These are the tools required to service all parts of the sprayer . 3/16” Allen wrench: gear housing, legs, handle ...
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Hitachi 231580 - page 19
308715 19 Motor Brushes NOTE: Replace brushes when worn to about 0.5 in. (12.5 mm). Always check both brushes. Brush Repair Kit 236967, which includes spring clip 1 12766, is available for motors manufactured by Pacific Scientific. NOTE: Replacement brushes may last only half as long as the original ones. T o maximize brush life, break in new brush ...
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Hitachi 231580 - page 20
20 308715 Motor Brushes 9. T est the brushes. a. Remove the pump connecting rod pin (17). See Fig. 18, page 21. b. With the sprayer OFF , turn the pressure con- trol knob fully counterclockwise to minimum pressure. Plug in the sprayer . c. T urn the sprayer ON. Slowly increase the pressure until the motor is at full speed. d. Inspect the brush and ...
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Hitachi 231580 - page 21
308715 21 Displacement Pump Repair W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: Packing Repair Kit 235703 is available. Refer- ence numbers of parts included in the kit are marked with an asterisk, i.e., (121*). For the best r ...
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Hitachi 231580 - page 22
22 308715 Motor W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: See Fig. 21 except where noted. 1. Relieve pressure. 2. T ry to stop the pump with the piston rod (107) in its lowest position. T o lower the piston rod manually , r ...
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Hitachi 231580 - page 23
308715 23 Motor Start Board W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: See Fig. 22 for this procedure. 1. Relieve pressure. 2. Remove the junction box screws (56) and lower the junction box (59). 3. Disconnect the motor wire ...
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Hitachi 231580 - page 24
24 308715 Drive Housing, Connecting Rod, Crankshaft W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: Inspect parts as they are removed. Replace parts that are worn or damaged. 1. Remove the displacement pump. See page 21. 2. Remov ...
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Hitachi 231580 - page 25
308715 25 Drive Housing, Connecting Rod, Crankshaft Fig. 24 1 T orque to 80 in–lb (9 N.m) 3 2 Quantity of three Quantity of one Apply a total of 3 fl. oz.(29 cc) of grease to gears. 4 56 5 15 13 64 11 5 12a 12 12b 59 11 a 4a A 34 31 REF A 16 47 Note: Filter not shown 02815 1 1 2 3 4 C ...
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Hitachi 231580 - page 26
Pressure Control W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. NOTE: See Fig. 25 for this procedure. NOTE: The pressure control (64) cannot be repaired or adjusted. If it has malfunctioned, replace it. 1. ...
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Hitachi 231580 - page 27
308715 27 Pressure T ransducer W ARNING INJECTION HAZARD T o 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. Use a pull–twist motion to remove the transducer (29) from the pump ...
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Hitachi 231580 - page 28
28 308715 Drain V alve W ARNING INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. 44 42a 42b 43 45 Apply thread sealant Handle shown in closed position Apply grease to face of base 42 T orque into pump manifold to 185 in–lb (21 N.m) 42c 42d Fig ...
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Hitachi 231580 - page 29
T echnical Data Power Requirements 120 V AC, 60Hz, . . . . . . . . . . . . . . . . . . . . 1 phase, 15A minimum Generator 3000W minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . W orking Pressure Range 0–3000 psi (0–210 bar , 21 MPa) . . Motor Model 231580 1/2 hp . . . . . . . . . . . . . . . . . . . . ...
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Hitachi 231580 - page 30
Sprayer Parts Drawing 42a 42b 42c 42d Model 231580, Series A Model 232654, Series A 33 20 4a 12 18 15 16 45 37 29 32 25 12b 12a 64 30 5 5 17 31 34 21 38 36 46 4 39 28 56 43 42 4e 44 REF 32 REF 33 11 23 63 HOSE AND GUN NOT SHOWN IN PROPORTION T O SPRA YER 67 74 11 b 14 4g INSIDE LABEL 4f See detail on page 31 24 1 2 Labe ...
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Hitachi 231580 - page 31
Sprayer Parts List Model 231580, Series A, Model 232654, Series A Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 3 1 1 1700 GRIP . handle 1 4 { MOT OR KIT Includes items 4a to 4g 236965 Model 231580 1 237458 Model 232654 1 4a. 100069 . BALL, sst, 1/4 in. dia. 1 4b. 1 1 1616 . TERMINAL, flat, 1/4 ...
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Hitachi 231580 - page 32
32 308715 Sprayer Parts Drawing Model 232655, Series A 05121B 33 20 4a 12 18 15 16 45 37 29 32 12b 12a 64 30 5 19 6 17 31 34 21 36 46 4 39 28 56 43 42 42a 42b 4e 44 11 63 67 74 42c 42d 11 b 14 4g INSIDE LABEL 35 OUT- SIDE LABEL 4f 24 1 1 1 89 50 13 66 11 a 10 28 85 3 6 23 62 25 88 26 65 65 72 59 1 Label 2 See page 33 for detail 2 73 ...
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Hitachi 231580 - page 33
Sprayer Parts List Model 232655, Series A Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 3 192027 SLEEVE, cart 2 4 { 237458 MOT OR KIT Includes items 4a to 4f 1 4a 100069 . BALL, sst, 1/4” dia. 1 4b 1 1 1616 . TERMINAL, flat, 1/4” (f), 18 awg 2 4c 107503 . TERMINAL, 3/16” (m), 16 awg 2 4d ...
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Hitachi 231580 - page 34
34 308715 Graco W arranty Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special extended or limited warranty published by Gra ...
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