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Hitachi 309067 manual

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Table of contents for the manual

  • Page 1

    309067 Rev . D First choice when quality counts.  232915 232918 Related Manuals Operation 309066 . . . . . . . . . . . . . . . . . . . . . . . . . . Displacement Pump 308815 . . . . . . . . . . . . . . . . . Fluid Filter 308249 . . . . . . . . . . . . . . . . . . . . . . . . . . Spray Gun 309091 . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 2

    2 309067 Component Function and Identification C Fig. 1 E F D A G L R M N B H P 232665, 232918, 232916, 232919 and 232914 R J K S 9661A 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 V AC main power to sprayer [...]

  • Page 3

    309067 3 General Repair Information CAUTION T o reduce risk of pressure control malfunction:  Us e needle nose pliers to disconnect a wire. Never pull on wire, pull on connector .  Mate wire connectors properly . Center flat blade of insulated male connector in female connector .  Route wires carefully to avoid interference with other conn[...]

  • Page 4

    4 309067 Grounding W ARNING Improper installation or alteration of grounding plug results in risk of electric shock, fire or explosion that could cause serious injury or death. 1. The 232918, 232665, 232915, 232914 require a 230 V AC, 50 Hz, 10A circuit with a grounding receptacle. The 232919 requires a 120 V AC, 50/60 Hz, 15A circuit with a ground[...]

  • Page 5

    309067 5 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. 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. Brush l[...]

  • Page 6

    6 309067 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 1 1. Motor thermal cutout switch. Connect ohmmeter between motor yellow leads. Meter must read 1 ohm maximum. 1 1. Allow motor to cool. Correct cause of overheating. If switch remains open after motor[...]

  • Page 7

    309067 7 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 Drain valve leaks 1. Drain valve for correct torque and/or worn parts. Check for debris trapped on seat. 1. Tighten to 185 in-lb (21 N  m). Clean valve and replace with new gasket (55) and s[...]

  • Page 8

    8 309067 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 variations 3. Pressure adjustment potentiometer (77) by replacing with a new one. 3. Replace potentiometer . See page 14.. (continued) 4. Low Output section, page 6. Motor is hot [...]

  • Page 9

    309067 9 Motor T est Relieve pressure ; page 3. For checking armature, motor winding and brush electrical continuity . Setup 1. Unplug sprayer . 2. Remove drive housing. See page 15. This ensures that any resistance noticed in armature test is due to motor and not to worn gears in drive housing. 3. Fig. 3. Remove brush inspection covers (A). 4. Fig[...]

  • Page 10

    10 309067 Motor Brushes NOTE: Replace brushes worn to less than13 mm (0.5 in.). Check both brushes. Use Brush Repair Kit 236967 (243268 for sprayers 232914 and 232915) for motor brush repair . Relieve pressure ; page 3. 1. Unplug sprayer . 2. Remove both inspection covers (A) and their gaskets. See Fig.5. Fig. 5 A 9662A 3. Push in spring clip (F) a[...]

  • Page 11

    309067 11 Displacement Pump NOTE: Packing Repair Kit 239939 is available. Refer- ence numbers of parts included in the kit are marked with an asterisk, i.e., (223*). Removing pump (See Fig.8) *227 *214 215 222 15 14 17 18 50 36 43 11 Fig. 8 1 2 Apply pipe sealant (1 101 10 ) 2 1 48 T orque to 50 ft-lb (68 N  m) 232912, 232913, 232915, 232917 12 [...]

  • Page 12

    Fig. 12 1 16 4 11 34 20 25 5 13 2 32 4 3 75 T orque to 8 0 in-lb (9 N  m) A 26 22 23 1 1 22a 70 9664A 12 309067 Motor NOTE: See Fig. 12 except where noted. 1. T ry to stop pump with piston rod (222) in lowest position. T o lower piston rod manually , remove shroud (32) and rotate motor fan blades. Use a screwdriver to push retaining spring (15) [...]

  • Page 13

    309067 13 Pressure Control Repair Motor control board removal 1. Relieve pressure ; page 3. 2. Remove screws (25, 26) and lower heat sink (22) and motor control board (22a). See Fig. 12. 3. Disconnect wires (C), (D), (96), (E) and 108 from motor control board (22a). See Fig. 4. 4. Disconnect potentiometer (77) and transducer (67) from motor control[...]

  • Page 14

    14 309067 Power Cord 232916, 232917, 232910 – 232913 1. Relieve pressure ; page 3. 2. Remove screws (25, 26) and lower heat sink (22). See Fig. 12. 3. Disconnect power cord leads (30), including green wire to grounding screw (78). See Fig. 4. 4. Loosen strain relief bushing (29). Remove power cord (30). 5. Install new cord (30) in reverse order o[...]

  • Page 15

    4 12 2 4, 3 6 5 7 22 2a A 13 22a Fig. 14 Note: Filter & Displacement Pump not shown 16 C B 26 1 T orque to 8 0 in-lb (9 N  m) 1 1 41 25 9665A 309067 15 Drive Housing, Connecting Rod, Crankshaft NOTE: Inspect parts as they are removed. Replace parts that are worn or damaged. 1. Relieve pressure ; page 3. 2. Remove displacement pump. See page [...]

  • Page 16

    16 309067 Pressure T ransducer NOTE: See Fig. 14 and 15 for this procedure. NOTE: The pressure transducer (67) cannot be re- paired or adjusted. If it malfunctions, replace it. Removal 1. Relieve pressure ; page 3. 2. Remove displacement pump (18). See page 1 1. 3. Remove front cover (1 1). Remove screws (25, 26). Lower heat sink (22). 4. Disconnec[...]

  • Page 17

    309067 17 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) [...]

  • Page 18

    18 309067 Drain V alve 1. Relieve pressure ; page 3. 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 (56) will stay in valve. 53 56 52 54 Apply thread sealant Handle shown in closed position Apply grease to face of base T orque into pump mani[...]

  • Page 19

    309067 19 T echnical Data Power Requirements 232914, 232915 240 V AC, 50 Hz, . . . . . . . . . . . . . . . . 1 phase, 10A minimum 232918, 232665 230 V AC, 50 Hz, . . . . . . . . . . . . . . . . 1 phase, 10A minimum 232919 120 V AC, 50/60 Hz, . . . . . . . . . . . . . . . . . . . . . 1 phase, 15A minimum 232910 – 232913 120 V AC, 60 Hz, . . . . . [...]

  • Page 20

    101 102 53 52 36 54 232915, B 232917, B 67 Ref 77 Ref 1 16 Ref 11 8 121 30 11 6 120 11 7 100 64 51 47 46 111 48 11 2 50 17 34 11 35 55 56 69 67 68 66 15 12 16 65 14 18 11 4 2a 5 6 8 2 9 7 41 13 25 22 22a 20 23 99 42 26 95 24 21 75 40 39 70 37 31 32 57 4 3 85 9 105 197 60 103 47 Ref 50 Ref 44 73 72 74 126 71 22a 107 108 78 80 11 9 96 30 27 82 28 81 [...]

  • Page 21

    309067 21 Complete Sprayer Parts 232915, B; 232917, B Ref. No. Part N o . 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 LOCKW ASHER, 1/4 hi-collar 2 5 239979 CRANKSHAFT , U-695; 1 232917 1 218242 CRANKSHAFT , U-600; 232915 1 6 [...]

  • Page 22

    22 309067 Complete Sprayer Parts 49 101 102 34 11 48 53 52 18 36 54 43 44 46 6 5 2a 13 7 41 2 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 Pressure Control Box (Bottom View) 76 77 28 78 82 81 80 19 45 98 47 84 71 72 74 73 56 17 32 27 55 51 21 22a 57 60 103 105 99 64 95 11 2 111 232916, 232917 232665[...]

  • Page 23

    309067 23 Complete Sprayer Parts 232918, A; 232916, A; 232919, A; 232914, A, 232665, A Ref. No. Part N o . 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 LOCKW ASHER, 1/4 hi – collar 2 5 239979 CRANKSHAFT , U-695; 1 232665, 23[...]

  • Page 24

    24 309067 Complete Sprayer Parts 49 44 101 102 34 11 48 47 50 53 52 18 36 54 51 46 6 5 2a 13 7 41 2 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 71 72 19 73 Model 232912 and 232913, Series B Pressure Control Box (Bottom View) 76 77 27 78 82 81 80 17 55 56 28 22a 33 103 64 99 95 97 67 Ref 30[...]

  • Page 25

    309067 25 Complete Sprayer Parts Model 232912 and 232913, Series B 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 2 5 239979 CRANKSHAFT , U – 695 1 6 180131 BEARING, thrust, [...]

  • Page 26

    26 309067 Complete Sprayer Parts 49 101 102 34 11 48 53 52 18 84 54 43 44 46 6 5 2a 13 7 41 2 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 232910 and 23291 1, Series A Pressure Control Box (Bottom View) 76 77 28 78 82 81 80 19 45 98 47 71 72 74 73 56 17 32 27 55 51 21 22a 57 30 Ref 82 Ref 60 1[...]

  • Page 27

    309067 27 Complete Sprayer Parts Model 232910 and 23291 1, 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 2 5 239979 CRANKSHAFT , U – 695 1 6 180131 BEARING, thrust,[...]

  • Page 28

    28 309067 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[...]