TM10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
3-39. HIGH PRESSURE PUMP (R.O. PUMP) MAINTENANCE.
This task consists of:
a.
Removal
b.
Disassembly
c.
Cleaning
d.
Inspection
e.
Repair
f.
Assembly
g.
Installation
INITIAL SET-UP:
Tools Required
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 )
Materials/Parts Required
Rags (Appendix C, Section II, Item 23)
Cleaning Solvent (Appendix C, Section II, Item 28)
Lockwasher (4) - MS 35338143
O-ring (3) - 9410A14600M
Utex Packing (6) - 9300W000119
O-ring (3) - 9410A23100M
Gasket (1) - M103873D05
Gasket (1) - M103873D03
Personnel Required:
Two (2)
Equipment Condition
Reference
ROWPU shut down and power removed (TM 10-4610-240-10).
Oil drained from high pressure pump assembly (para 2-76)
Water drained (TM 10-4610-240-10).
High pressure pump drive belts removed. (para 2-75)
General Safety Instructions:
WARNING
Cleaning solvents used are toxic and flammable. Observe safety precautions when using this
material. See general warning page at front of this manual.
REMOVAL
a.
Remove nuts (20), screws (1), clamps (2) and gaskets (3).
b.
As required, remove nipples (4) from pump assembly for installation on replacement pump.
c.
Remove three screws (12) and washers (13). Thread screws in extra holes on sheave and tighten to remove
sheave (14).
d.
Remove sheave (14) and loosen setscrew (15).
e.
Insert a screwdriver in split of hub (16) and tap lightly with a hammer to loosen hub. Remove hub and key
(17).
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