TM 1-1520-238-23
Change 4
6-543
6.131.
INTERMEDIATE GEARBOX REMOVAL/INSTALLATION – continued
6.131.7. Installation
WARNING
The intermediate gearbox is heavy. It
can cause injury to personnel or dam-
age the tail boom if dropped. Two
people should lift the gearbox into
position on the stabilizer mount studs.
CAUTION
If installing a new gearbox, DO NOT add
grease to gearbox. Gearbox is factory lu-
bricated.
a. Install gearbox (2) on stabilizer (7). Torque sen-
sor (13) to 30 INCH-POUNDS. Torque four nuts
(10) to 175 INCH-POUNDS.
(1) Apply primer to mounting surface of gearbox
(2) and stabilizer (7). Use epoxy primer
coating kit (item 78, App F).
(a) Allow primer to cure 2 HOURS.
(2) Install sensor (13) on gearbox (2).
(3) Torque sensor (13) to 30 INCH-POUNDS.
Use crowfoot and torque wrench.
(4) Install gearbox (2) on four studs (12).
(5) Install four washers (11) and nuts (10) on
studs (12).
(6) Torque four nuts (10) to 175 INCH-POUNDS.
Use torque wrench.
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M04-555-13
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