Figure 7-1. Water Pump and Water Pump Drive, Exploded View (Sheet 2 of 2)

Figure 7-1. Water Pump and Water Pump Drive, Exploded View (Sheet 1 of 2)

TM-9-6115-604-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 5 Kw. 1 Phase-2 Wire 1 Phase -3 Wire 3 Phase -4 Wire 120. 120/240 and 120/208 Volts Manual
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TM 9-6115-604-34 NAVFAC P8-633-34 1. CAPSCREW 16. CAPSCREW 2. PUMP DRIVE KEY 17. CAPSCREW 3. WATER PUMP IMPELLER 18. LOCKWASHER 4. RETAINING RING 19. GASKET 5. WATER PUMP SEAL AND SEAT 20. RETAINING RING 6. WATER PUMP SEAL 21. CLAMPING WASHER 7. OIL SEAL 22. THRUST BEARING 8. RETAINING RING 23. GEAR 9. BALL BEARING 24. THRUST BEARING 10. BALL BEARING 25. SHAFT 11. BEARING SPACER 26. EXPANSION PLUG 12. WATER PUMP SHAFT 27. PIPE PLUG 13. WATER PUMP BODY 28. BUSHING 14. COUPLING 29. SUPPORT 15. SNAP WIRE 30. DRAIN COCK Figure 7-1. Water Pump and Water Pump Drive, Exploded View (Sheet 2 of 2) e. Inspect the water pump shaft (12) for straightness and galling on the press-fit diameter surfaces. Replace if damaged. f. Inspect the bearing spacer (11) for cracks. WARNING Dry cleaning solvent PD-680, Type IIl, or equivalent, is flammable and moderately toxic to the skin, eyes, and respiratory tract. Assure adequate ventilation. Skin, eye, and respiratory protection is required to avoid injury to personnel. WARNING Compressed air used for cleaning or drying can create airborne particles that may enter the eyes. Pressure shall not exceed 30 psi (207 kPa). Wearing of goggles is required to avoid injury to personnel. g. Clean all parts in cleaning solvent PD-680, Type Ill, or equivalent, and dry with moisture-free compressed air. Discard all parts that do not meet the inspection criteria. 7-4. WATER PUMP ASSEMBLY. See Figure 7-1. a. Lubricate the water pump shaft (12) bearing surfaces with a thin coat of dean lubricating oil MIL-L-9000 and install the bearing spacer (11). Use a ST658 mandrel to support the inner ball bearing (10); press the impeller end of the shaft through the bearing until the shaft shoulder seats on the bearing inner race. Install the retaining ring (8) on the water pump shaft (12). b. Support the outer ball bearing (9) on special mandrel 3375318 and press the drive end of the shaft through the bearing until the shaft shoulder seats on the bearing inner race. CAUTION Care must be taken not to damage the oil seal. c. Support the water pump body (13) on the inlet end. Use the 3375319 seal driver with lip of the seat toward the driver face and press the oil seal (7) into the body until it is flush to 0.030 inch (0.76 mm) below the seal bore. d. Apply a thin coat of bearing retaining compound such as MIL-R46082. Type 1, to the ball bearings (9 and 10) outer race only. Lubricate the shaft seal mating surface, option the bearing and shaft assembly into the water pump bore and press into the body until the outer ball bearing (9) seats. Use special mandrel 3375318 to support the bearing outer race. 7-3

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