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TM 55-1905-223-24-9
3-13. Replace/Repair Relief/Bypass/Shutoff Valve. (FIGURE 3-5)'
This task covers:
a. Removal,
b. Disassembly,
c. Repair,
d. Assembly,
e. Replacement
Equipment Conditions
Tool kit, general mechanic's,
Equipment shut down and tagged
"Out of Service - Do Not Operate."
See TM 55-1905-223-10.
Preformed packing, P/N 11-106123
Retaining ring, P/N 51-300007
Spring pin, P/N 51-170002
Relief/bypass/shutoff valve
P/N 400-0024
Utility pail, Item 28, Appendix C
a. Close four shutoff valves (1).
b. Place utility pail under inlet and outlet hydraulic lines.
c. Disconnect inlet (2) and outlet (3) hydraulic lines.
d. Remove relief/bypass/shutoff valve (4).
a. Remove four machine screws (5) securing identification plate (6) to relief/bypass valve. Remove identification
plate (6).
b. Remove relief cartridge (9) from body (10).
c. Remove preformed packing (13) and retaining ring (12) from spool (11).
d. Remove pipe plug (7) and spring pin (8) from body (10).
Repair at this level consists of replacing: preformed packing (13), retaining ring (12), and spring pin (8).


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