TM 1-1520-238-23
Change 1
6-395
6.90.
MAIN ROTOR DE-ICE POWER DISTRIBUTOR AND AIR DATA SYSTEM (ADS) MAST
REMOVAL/INSTALLATION – continued
CAUTION
The ADS mast and de-ice power distribu-
tor are sensitive to bumps and moisture
contamination. Damage may occur if
bumped or dropped. Main transmission
may be damaged by moisture intrusion;
protective covering must be placed over
top of transmission.
k. Enclose mast (41), distributor (36), and
mounting area on transmission with barrier
material. Use barrier material (item 32, App F)
and tape (item 207, App F).
6.90.4. Cleaning
a. Wipe drive plate, mast, distributor, and
mounting surfaces with a clean rag.
6.90.5. Inspection
a. Check mast and distributor for cracks or dam-
aged
mast
mounting
studs
(TM 1-1500-204-23).
b. Check mast and distributor for corrosion
(para 1.49).
c. Check distributor wires, harnesses, and ADS
harness for broken wires, bent or broken con-
nector pins, and cracked or burned insulation
(TM 55-1500-323-24).
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