TM 1-1520-238-23
11-1177
11.278.
TAIL ROTOR DE-ICE BRUSH BLOCK REMOVAL/INSTALLATION – continued
11.278.3. Removal
CAUTION
To prevent damage to brush block, en-
sure terminal stackups do not turn while
removing nuts.
a. Identify and remove two de-ice wire leads (1)
from brush block terminal stackups (2).
(1) Remove four screws (3) and washers (4)
from cover (5).
(2) Remove cover (5) and gasket (6) from hous-
ing (7).
(3) Remove sealant from stackups (2).
(4) Hold stackups (2) and remove two nuts (8).
(5) Remove two screws (9), washers (10), and
lead holders (11) from block (12).
(6) Remove two leads (1) with grommets (13)
from housing (7).
CAUTION
Handle brush block with care. Brushes,
springs, and wiring on brush block may
be damaged if accidently dropped or
handled roughly.
NOTE
Screws attaching brush block to housing
are captive screws.
b. Remove brush block (12) from housing (7).
(1) Loosen four captive screws (14) on block
(12).
(2) Remove block (12).
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8
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11
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M04-3559-2
7
12
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M04-3559-3
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