TM 1-1520-238-23
1-98
1.32.
MAIN TRANSMISSION OIL SYSTEM DRAINING, FLUSHING, AND SERVICING – continued
CAUTION
Do not mix lubricating oil (item 118,
App F) with lubricating oil (item 119,
App F) except in an emergency. The
system must be drained and refilled
with the proper oil as soon as possible
if it becomes necessary to mix oils.
Helicopter must be on level surface
with both main landing gears equal for
proper servicing. To prevent overfilling
or under filling the gearbox, wait 15
minutes after rotor shutdown before
checking.
b. Service main transmission with oil. Use
lubricating oil (item 118, App F) or lubricating oil
(item 119, App F).
(1) Open filler cap (6).
(2) Add lubricating oil (item 118, App F) or
lubricating oil (item 119, App F). Use funnel
(7).
NOTE
Servicing is complete when oil level is in
center of both left and right sight indica-
tors (8).
(3) Remove funnel (7). Close filler cap (6).
c. Install access panels L200 and R200 (para
2.2).
END OF TASK
8
7
8
6
RIGHT SIDE
M04-1606-6
