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 TM 55-1905-220-14-11
5-86. HYDRAULIC PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL-CLEANING- INSPECTION (Cont)
Wear protective eye goggles when using compressed air.
3. Pump
All parts must be thoroughly cleaned and
and
kept clean during inspection and assembly.
Relief
The close tolerance of the parts makes this
Valve
requirement more stringent than usual.
Clean all removed parts, using a commercial
solvent that is compatible with the system
fluid. Compressed air may be used for
cleaning, but it must be filtered to remove
water and contamination. Clean, compressed
air is particularly useful in cleaning spools,
orifices, and cover passages.
1. Discard the used shaft seal
(28) and O-rings (7, 33, and
34). Wash the metal parts in
a solvent, blow them dry with
filtered compressed air and
place them on a clean surface
for inspection.
5-1129
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