TM 55-1520-240-23-1
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CLEAN FUSELAGE EXTERIOR
(Continued)
1-76
6.
Cover sideslip ports (7) on both sides of nose.
Cover static ports (8) on both sides of fuselage.
Use barrier material (E80) and tape (E388).
CLEAN HELICOPTER
NOTE
TM 55-1500-344-24 contains more
information on cleaning Army aircraft.
7.
Mix 1 part cleaning compound (E117) in 5 parts
water. Use 2 or 3 parts water for very dirty areas.
NOTE
The size of the area cleaned depends
on how quickly it dries.
8.
Apply plenty of solution to small area of fuselage.
Use a soft bristle brush (E85).
Cleaning solution can damage paint
and make clear plexiglass hazy if left
on too long. Rinse with clear water
before solution dries.
9.
Let solution stay on surface for 5 to 10 minutes.
During this time, scrub very dirty areas with soft
brush (E85). Do not let solution dry.
If solution is not rinsed off completely,
it can damage paint and plexiglass.
10.
Rinse solution from cleaned surface. Water
heated to 120º to 140ºF (50º to 60ºC) is best.
Take care to keep water out of forward and aft
drive shafts (9 and 10) when rinsing tunnel (11)
and pylon (12).
11.
Repeat steps 7 thru 10 as needed.
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