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TM 1-1730-231-13&P
3-19. RELIEF VALVE
3-19
This task covers:
A. INSPECTION
B. ADJUSTMENT
C. REMOVAL
D. REPAIR (AVIM)
E. INSTALLATION
INITIAL SETUP
Tools
Shop Set, AVIM, Hydraulic, NSN 4920-00-165-1454
Personnel Required
MOS 68H
Parts Required
'O' Ring, MS28778-10
'O' Ring, MS28775-014
Back-up Washer, MS28774-014
Relief Valve, RV6-10-C-0-100-3000PSI
General Safety Instructions
WARNING
Be sure that all electrical power is removed from the unit before
beginning any maintenance operation.
To avoid personnel injury, the pump must be shut down before
beginning any maintenance operation.
A.
INSPECTION
1.
Check condition of relief valve (1) for damage, loose connection, and leaks.
2.
Check adjustment at regular intervals.
B.
ADJUSTMENT
1.
Run pump and read pressure on pressure gage (2). If below 3,000 psig, stop pump and perform following steps.
See Chapter 2 operating instructions.
2.
Unscrew cap of relief valve (1). Loosen locknut and turn adjusting screw with 3/8 inch allen key.
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