Hitachi 309067 - Manual

309067 7 Intermediate Problem Solving TYPE OF PROBLEM WHAT TO CHECKIf check is OK, go to next check WHAT TO DOWhen check is not OK, refer to this column Drain valveleaks 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 val...

309067 9 Motor Test Relieve pressure; page 3. For checking armature, motor winding and brushelectrical continuity. Setup 1. Unplug sprayer. 2. Remove drive housing. See page 15. This ensuresthat any resistance noticed in armature test is dueto motor and not to worn gears in drive housing. 3. Fig. 3....

10 309067 Motor Brushes NOTE: Replace brushes worn to less than13 mm (0.5 in.). Check both brushes. Use Brush Repair Kit236967 (243268 for sprayers 232914 and 232915) formotor brush repair. Relieve pressure; page 3. 1. Unplug sprayer. 2. Remove both inspection covers (A) and theirgaskets. See Fig.5....

309067 11 Displacement Pump NOTE: Packing Repair Kit 239939 is available. Refer-ence numbers of parts included in the kit are markedwith 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 pipesealant (110110 ) 2 1 48 Torque to 50 ft-lb (68...

Fig. 12 1 16 4 11 34 20 25 5 13 2 32 4 3 75 Torque to 80 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. Try to stop pump with piston rod (222) in lowestposition. To lower piston rod manually, removeshroud (32) and rotate motor fan blades. Use ascre...

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 frommotor control board (22a). See Fig. 4. 4. Disconnect potentiome...

4 12 2 4, 3 6 5 7 22 2a A 13 22a Fig. 14 Note: Filter & Displacement Pumpnot shown 16 C B 26 1 Torque to 80 in-lb (9 N m) 1 1 41 25 9665A 309067 15 Drive Housing, Connecting Rod, Crankshaft NOTE: Inspect parts as they are removed. Replaceparts that are worn or damaged. 1. Relieve pressure; page ...

16 309067 Pressure Transducer 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 11. 3. Remove front cover (11). Remove screws...

18 309067 Drain Valve 1. Relieve pressure; page 3. 2. Turn 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 ...

309067 19 Technical Data Power Requirements 232914, 232915 240 VAC, 50 Hz, . . . . . . . . . . . . . . . . 1 phase, 10A minimum 232918, 232665 230 VAC, 50 Hz, . . . . . . . . . . . . . . . . 1 phase, 10A minimum 232919 120 VAC, 50/60 Hz, . . . . . . . . . . . . . . . . . . . . . 1 phase, 15A minimum...

101 102 53 52 36 54 232915, B232917, B 67 Ref 77 Ref 116 Ref 118 121 30 116 120 117 100 64 51 47 46 111 48 112 50 17 34 11 35 55 56 69 67 68 66 15 12 16 65 14 18 114 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 7...

28 309067 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free fromdefects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With theexceptio...