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TM 55-1905-219-14-3
Table 3-17. Hydrostarter - Loss of Accumulator Precharge (Nitrogen) - Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Loss of accumulator precharge (nitrogen) (Cont)
Step 2.
Check for defective air valve.
Release pressure in system by
opening relief valve on side of
hand pump. Loosen hex lock nut
on the nitrogen valve approximately
3/4 turn to release remaining
precharge before attempting to
remove valve from accumulator.
Replace the air valve. Refer
to Direct Support Maintenance.
Step 3.
Check for damaged seal ring between shell and end
cap.
Apply light oil on threaded end
of accumulator at end of the cap.
Bubbling of the oil indicates a
leak past the end cap seal. Refer
to Direct Support Maintenance.
3-74


 


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