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 TM 55-1905-223-24-10
2-15. Replace Piston Pump Assembly.
This task covers: a. Inspection, b. Service, c. Remove, d. Replacement,
e. Alignment
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, bow ramp
assembly secured, tagged
Tool kit, measuring machinist,
"Out of Service - Do Not
5180-00-278-9919
Operate."
Materials/Parts
Warning tags, Item 1, Appendix C
Shim stock, Item 3, Appendix C
Anti-corrosion compound, Item 4,
INSPECTION
Inspection and service procedures for the piston pump assembly are covered in Table 2-1, PMCS.
SERVICE
Service procedures for the piston pump assembly are covered in Table 2-1, PMCS.
REMOVAL (FIGURE 2-1)
a.
Drain hydraulic fluid from reservoir (PMCS Table 2-1, Item 6).
b.
Attach lifting sling to assembly.
c.
Disconnect and cap/plug hydraulic lines (19, 22, 23, 24, 30, 31, 33).
d.
Place utility pail under check valve (35); disconnect valve from piston pump assembly (12).
e.
From pump end of bell housing (8) remove bolts, lockwashers, and nuts (9,10, 11).
2-34
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