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TM 5-2420-222-34
14-13.
BACKHOE RELIEF VALVES MAINTENANCE (Con’t).
NOTE
If relief valve opening pressure is correct, skip steps 7 through 9.
7.
Remove and disassemble relief valve (1) (see subparagraphs a and b).
8.
If opening pressure was more than specified, remove shims. If opening pressure was less than specified limit,
replace relief valve (1).
9.
Assemble, Install, and adjust relief valve (1) (see subparagraphs e, f, and g).
FOLLOW-ON TASKS:
•
Install backhoe control valve assembly (see TM 5-2420-222-20).
14-71
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