1-110 ADJUST OIL PUMP (Continued)
4. Operate engine until oil pressure
has stabilized. (Ref. TM 55-1520-
should be 50 to 90 psig at 95 percent
N1 and above; 35 psig minimum at
5 percent and 20 psig mini-
mum at ground idle.
5. Stop engine.
6. If oil pressure is not within limits,
check pump output as follows:
Remove lockwire, main oil filter
drain plug (6) and packing (7).
Attach pressure gage tube as-
sembly (Appendix E) (8) to 0 to
200 psi direct reading pressure
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