TM 1-1520-238-23
11-1180
11.278.
TAIL ROTOR DE-ICE BRUSH BLOCK REMOVAL/INSTALLATION – continued
CAUTION
To prevent damage to brush block, en-
sure terminal stackups do not turn while
installing nuts.
b. Identify and install two leads (1) on stackups
(2).
NOTE
When installing de-ice leads in housing,
ensure that grommets are securely seated
in housing grommet slots and that flat
sides of grommets are facing up.
(1) Position leads (1) with grommets (13) on
housing (7).
(2) Install two screws (9) through washers (10)
and lead holders (11) into block (12).
(3) Position leads (1) on stackups (2).
(4) Hold stackups (2) and install two nuts (8).
(5) Coat stackups (2) with sealant. Use enamel
(item 74A, App F).
c. Inspect (QA)
d. Install cover (5) and gasket (6) on housing (7).
(1) Position cover (5) and gasket (6) on housing
(7).
(2) Install four screws (3) through washers (4),
cover (5) and gasket (6) into housing (7).
e. Inspect (QA).
f. Perform rotor blades de-ice maintenance op-
erational check (TM 1-1520-238-T).
END OF TASK
M04-3559-5
3
4
6
5
11
1
8
13
10
9
7
13
10
9
12
2
11
