KEY
EXPECTED
TEMPERATURE
+ 4 0 F 0 F to INTERVALS
Above
CAPAC-
to
ITIES
+32F
-65F
COMPONENTS
-10F (-18C
(AP-
(Above
PROX)
0C)
( + 5C
-54C)
-23C)
OE/
M - Month-
LUBRICAT-
OE/
OEA
OE/HDO
Iy
ING OIL,
HDO-
(MIL-L-2104D)
HDO-
OR
15/40
S - Semi-
INTERNAL
15/40
annu-
OEA
ENGINE
ally or
(MIL-L-46167)
Every
10 oz
1500
Fan Gearbox
Miles
HYDRAULIC
OHA
FLUID,
(MIL-H-5606)
PETROLEUM
ALL
TEMPERATURES
BASE
FRH
HYDRAULIC
(MlL-H-46170) FLUID, RUST
INHIBITED,
FIRE
RESISTANT,
SYNTHETIC
HYDRO-
CARBON
BASE
1 pt
Pivot Steer
System
# FOR ARCTIC OPERATION REFER TO FM 9-207
NOTES:
FAN GEARBOX. Monthly, check fan gearbox oil level. Oil level should be to center of sight
glass. Add OE/HDO or OEA, as needed, to bring up to level.
NOTE
Drain only when hot (after operation).
FAN GEARBOX OIL DRAIN. Every 1500 miles or semiannually, drain fan gearbox. To drain
and refill gearbox, see steps a thru g below:
a. Place suitable container under fan gearbox drain.
b. Remove drain plug and preformed packing from gearbox housing and drain oil into
container. Discard packing.
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