Hitachi 232133 manual

308801 Rev . E First choice when quality counts.  7727A 7728A Model 232133 Model 232131 Related Manuals Displacement Pump 308815 . . . . . . . . . . . . . . . . . Fluid Filter 308249 . . . . . . . . . . . . . . . . . . . . . . . . . . Spray Gun 307614 . . . . . . . . . . . . . . . . . . . . . . . . . Spray T ip 308644 . . . . . . . . . . . . . .[...]

2 308801 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Component Function and Identification 5 . . . . . . . . . . . . Setup 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Startup 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

308801 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 look like just a c[...]

4 308801 W ARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result 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 . Do not use the equipment until you [...]

308801 5 Component Function and Identification 7727A 03008 C Fig. 1 E F D A G J L R M N B H S K P A Motor (Under shield shown) DC motor , permanent magnet, totally enclosed, fan cooled B Pressure Adjusting Knob Controls fluid outlet pressure C ON/OFF Switch Power switch that controls 120 V AC main power to sprayer D Drive Assembly T ransfers power [...]

6 308801 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 [...]

308801 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. Do not alter th[...]

8 308801 Setup Pressure Relief Procedure 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, follo[...]

308801 9 Startup Use this procedure each time you start the sprayer to help ensure the sprayer is ready to operate and that you start it safely . NOTE: If this is a first – time startup, flush the sprayer . See page 12. 1. Open pressure drain valve (A). See Fig. 8. 2. Don ’ t install spray tip until pump is primed! 3. Put suction hose or tube ([...]

10 308801 Startup W ARNING FIRE AND EXPLOSION HAZARD T o reduce static sparking and splashing when priming, be sure the spray tip is not installed on the gun, and hold a metal part of the gun firmly to the side of a grounded metal pail. 7. T o prime hose , lower pressure to reduce splash- ing. Holding gun against pail, trigger gun and slowly increa[...]

308801 11 Shutdown and Care W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. 1. Relieve pressure. 2. Check packing nut daily . Keep packing nut full of TSL at all times to help prevent fluid buildup on piston rod and premature wear of packings. 3. [...]

12 308801 Flushing When to flush Determine material to spray from column 1. Flush with material in column 2. Then follow recommendations in one of next three columns. CAUTION Do not leave water or water-based fluids in sprayer if it could freeze. Push water out with mineral spirits. Frozen fluid in sprayer prevents starting and may cause serious da[...]

308801 13 Flushing W ARNING FIRE AND EXPLOSION HAZARD T o reduce static sparking and splashing, always remove the spray tip from the gun, and hold a metal part of the gun firmly to the side of a grounded metal pail when flushing. 7. Lower pressure setting. T urn on sprayer . Maintain- ing metal-to-metal contact, trigger gun into flushing pail. Slow[...]

14 308801 T roubleshooting W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. CAUTION Thaw sprayer if water or water-based paint has frozen in it, due to exposure to low temperatures, by placing it in a warm area. Do not try to start sprayer until it[...]

308801 15 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) 4. Check motor brushes for the following: a. Loose terminal screws. b. Broken or misaligned brush springs. c. Brushes binding in holders. d. Broken leads. e. W orn brushes. f. [...]

16 308801 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 1. Check for worn spray tip. 1. Follow Pressure Relief Procedure W arning on page 8, then replace tip. See your separate gun or tip manual. 2. Be sure pump does not continue to strok[...]

308801 17 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) 7. Check motor control board (22a) by substituting with a good board. CAUTION: Do not perform this check until motor armature is determined to be good. A bad motor armat[...]

18 308801 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 (continued) 3. Check pressure adjustment potentiometer (77) by replacing it with a new one. (continued) 4. Check Low Output section, page 16. Motor Is Hot and Runs In[...]

308801 19 General Repair Information W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. T ool List These service tools are required. 12 ” adjustable wrench: pump 1/4 ” Allen wrench: filter plug 3/8 ” Allen wrench: pump manifold 3/16 ” Allen w[...]

20 308801 Motor T est W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. For checking armature, motor winding and brush electrical continuity . Setup 1. Unplug sprayer . 2. Remove drive housing. See page 26. This is to ensure that any resistance you [...]

308801 21 Motor Brushes NOTE: Replace brushes when worn to about 12.5 mm (0.5 in.). Always check both brushes. Brush Repair Kit 236967 is available for motor brush repair . NOTE: Replacement brushes may last only half as long as the original ones. T o maximize brush life, break in new brushes by operating the sprayer with no load as instructed in t[...]

22 308801 Displacement Pump NOTE: Packing Repair Kit 235703 is available. Refer- ence numbers of parts included in the kit are marked with an asterisk, i.e., (223*). Removing pump (See Fig.17) W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow Pressure Relief Procedure on page 8. 47 7736 A [...]

7741A Fig. 21 1 16 4 11 34 20 25 5 13 2 32 4 3 75 T orque to 80 in-lb (9 N  m) A 26 22 23 1 1 22a 70 308801 23 Motor W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. NOTE: See Fig. 21 except where noted. 1. T ry to stop pump with piston rod (222[...]

24 308801 Motor Control Board Motor control board removal W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. 1. Relieve pressure. 2. Remove screws (25, 26) and lower heat sink (22) and motor control board (22a). See Fig. 21. 3. Disconnect wires (C), [...]

308801 25 Power Supply Cord W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. 1. Relieve pressure. 2. Remove screws (25, 26) and lower heat sink (22). See Fig. 21. 3. Disconnect power supply cord leads (30), including green wire to grounding screw ([...]

26 308801 Drive Housing, Connecting Rod, Crankshaft W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. NOTE: Inspect parts as they are removed. Replace parts that are worn or damaged. 1. Relieve pressure. 2. Remove displacement pump. See page 22. 3. [...]

308801 27 Drive Housing, Connecting Rod, Crankshaft 7742A 25 4 12 2 4, 3 6 5 7 22 2a A 13 22a Fig. 23 Note: Filter not shown 16 C B 26 1 T orque to 80 i n-lb (9 N  m) 1 1[...]

28 308801 Pressure T ransducer NOTE: See Fig. 23 and 24 for this procedure. NOTE: The pressure transducer (67) cannot be re- paired or adjusted. If it malfunctions, replace it. Removal W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. 1. Relieve pre[...]

308801 29 Pressure T ransducer Seal Installation 1. Lightly coat cleaned packing recess in manifold with a light grease or oil. 2. Heat seal (69) in hot water for several minutes. CAUTION Excess pressure from the probes or fingernails will damage the packing and cause subsequent leakage. 3. Use a blunt wooden or plastic probe and install seal (69) [...]

30 308801 Drain V alve W ARNING INJECTION HAZARD T o reduce the risk of serious injury , when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8. 1. Relieve pressure. 2. T urn handle (54) to closed position. Drive out pin (53). Remove handle. 3. Remove base (52). 4. Unscrew drain valve assembly (51). gasket (55) and seat[...]

308801 31 T echnical Data Power Requirements 120 V AC, 60 Hz, . . . . . . . . . . . . . 1 phase, 15A minimum Generator 3000W minimum . . . . . . . . . . . . . . . . . . . . . . . Working Pressure Range 0 – 3000 psi . . . . . . . . . . . . . . . (0 – 210 bar , 21 MPa) Motor 0.9 HP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

32 308801 Complete Sprayer Parts 7730A 7745A 49 44 101 102 34 11 48 47 50 53 52 18 36 54 51 45 43 10 46 6 5 2a 13 7 41 2 4 12 14 15 25 39 38 40 70 37 31 32 57 42 26 22 35 16 65 8 9 75 85 3 4 9 60 23 24 20 21 68 67 69 66 100 74 70 Ref 71 72 73 Ref 73 Ref 19 73 Model 232132 and 232133, Series A Pressure Control Box (Bottom View) 76 77 27 30 29 78 82 [...]

308801 33 Complete Sprayer Parts Model 232132 and 232133, Series A Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 2 240057 KIT , housing, drive, U – 695 1 2a 100069 BALL, thrust 1 3 101682 SCREW , sch, 1/4 – 20 x .625 2 4 105510 LOCKWASHER, 1/4 hi – collar 5 5 239979 CRANKSHAFT , U – 695 1 6 180131 BEARING, thrust, [...]

34 308801 Complete Sprayer Parts 7745A 49 101 102 34 11 48 53 52 18 84 54 43 44 46 6 5 2a 13 7 41 2 4 12 14 15 25 40 38 70 37 31 79 33 42 26 22 35 16 65 8 9 75 85 3 4 9 23 24 20 68 67 69 66 100 39 Model 232130 and 232131, Series A Pressure Control Box (Bottom View) 76 77 28 30 29 78 82 81 80 19 45 98 47 71 72 74 73 56 17 7729A 32 27 55 51 21 22a 57[...]

308801 35 Complete Sprayer Parts Model 232130 and 232131, Series A Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 2 240057 KIT , housing, drive, U – 695 1 2a 100069 BALL, thrust 1 3 101682 SCREW , sch, 1/4 – 20 x .625 2 4 105510 LOCKWASHER, 1/4 hi – collar 5 5 239979 CRANKSHAFT , U – 695 1 6 180131 BEARING, thrust, [...]

36 308801 Graco Standard W arranty Graco warrants all equipment referenced in this document 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[...]