3-44. HIGH PRESSURE PUMP (R.O. PUMP) REPAIR (MODELS WPES-10, WPES-20, and WPES-30).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Valve Seat Removal Tool (Appendix B, Section III, Item 2)
Gland Nut Adjustment Tool (Appendix B, Section III, Item 5)
Rags, Wiping (Appendix C, Section II, Item 14)
Solvent, Drycleaning (Appendix C, Section II, Item 18)
Grease, Silicone (Appendix C, Section II, Item 10)
Lockwashers (TM 10-4610-241-24P)
Packing, Seals and Gaskets (TM 10-461-241-24P)
Power shut down (Power Source Manual).
Oil drained from High Pressure Pump Assembly (Paragraph 2-67).
Water drained from ROWPU (TM 10-4610-241-10).
High Pressure Pump Sheave removed (Paragraph 2-66).
General Safety Instructions:
Cleaning solvents used are toxic and flammable. Observe safety precautions when using
this material. See general warning page at front of this manual.
High pressure pump, at the Direct Support level, can be repaired in place. See
Disassembly and Assembly Procedures of this paragraph.
Remove nuts (l), bolts (2) and clamps (3). Slide gaskets (4) onto adapters (5),
Remove four nuts (6) and lo&washers (7).
Pump weighs 330 lbs and is difficult to lift. Use a lifting device rated at 0.5 ton or
greater to remove.
Remove pump assembly (8).
Remove gaskets (4) and nipples (5) from pump assembly.
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