TM 55-1930-208-10
3-1. GENERAL- Continued.
b. Speed Reducer.
(1) Daily check oil level. Add lubricating oil, gear MIL-L-2105 (item 5, Appendix D) to bring oil level to "FULL
MARK".
(2) Every 6 months or 2500 operating hours, remove drain plug and allow oil to drain. Install drain plug and fill
with MIL-L-2105 oil to "FULL MARK".
(3) Temperature ranges above +32 (0 ) use MIL-L-2105, GO-90, +32 (0 ) to 0 (-18 ) use MIL-L-
F
C
F
C
F
C
2105, GO-70, below 0 (-18 ) use MIL-L-2105 GOS.
F
C
c. Flexible Coupling. Yearly, remove flexible coupling cover, clean with solvent, (SD) type II and dry thoroughly.
Install flexible coupling cover. Remove lubrication plug from both covers, install lubrication fitting in one cover. Using a
grease gun filled with MIL-G-10924 (item 7, Appendix D), fill flexible coupling until an excess amount of grease appears
at opposite cover hole. Remove lubrication fitting and install lubrication plug in each cover.
d. Pump Drive Shaft Assembly. Monthly lubricate drive shaft assembly with MIL-G-10924 (item 7, Appendix D).
Apply no more than 2 shots from grease gun.
e. Rotary Pump. Monthly lubricate pump with MIL-E-18709 (item 6, Appendix D). Apply no more than 3 shots from
grease gun.
f. Valve Remote Operator Assembly. Monthly lubricate hinged joint with MIL-G-10924 grease (item 7, Appendix D).
Apply no more than 2 shots from grease gun.
g. Hatches, Doors and Ventilators. Monthly lubricate hatch holddown latches with MIL-G-10924 (item 7, Appendix
h. Winch. Monthly lubricate with MIL-G-10924 grease (item 7, Appendix D). Apply no more than 2 shots from
grease gun. Monthly coat gears with MIL-G-10924 grease (item 7, Appendix D).
3-2
