OIL CAPACITY AND CONSUMPTION INFORMATION

NAVAIR 17-15-50.3

TM 38-301-3

T.O. 33-1-37-3

CGTO 33-1-37-3

ENGINE:

J85-GE-5/-13 (Cont)

AIRCRAFT:

(T-38) (F-5)

OIL CAPACITY AND CONSUMPTION INFORMATION

1. The oil capacity for the J85-GE-5/-13 is four quarts.

2. The maximum allowable oil consumption for the J85-GE-13 is one-half (1/2) pint per hour. The maximum

allowable oil consumption for the J85-GE-5 is three-eighths (3/8) pint per hour.

3. There is no recommended oil consumption interval in the manuals, but check the oil level after each flight and

after a test cell run.

4. Action to take if maximum allowable oil consumption is exceeded:

a. External oil leaking: Check all external oil lines for leaks and make any necessary corrections.

b. Loose or leaking oil filler caps: Check filler caps for proper assembly and for damaged packings. Tighten

caps or replace packing.

Oil venting from oil tank relief valve: Check for overfilled tank. Remove and replace tank relief valve.

d. Internal oil leak: Return engine to shop for further investigation. Disassemble engine and inspect for

missing or damaged packings and for damaged or leaking carbon seals. Replace damaged parts as necessary.

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