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 TM 55-1905-220-14-9
4-78.1. WINDSHIELD WIPER CONTROL - MAINTENANCE INSTRUCTIONS
(Pilothouse)
(Continued) .
LOCATION
ITEM
ACTION
REMARKS
TEST
2. System
a. Wiper
1. Place the ON-OFF-
Does the wiper
PARK switch in the
move back and
ON position.
forth? See step
4.
2. Adjust SPEED from
Does the speed of
HI to LO.
the wiper increase
or decrease? See
step 9.
3. Place the ON-OFF-
Does the wiper
PARK switch in the
stop? See step 4.
OFF position.
4. Joggle the ON-OFF-
Does the wiper
PARK switch in the
park in the desir-
PARK position.
ed position? See
step 4.
5. Place the WIPER
a. Does the arm of
HEATER switch in the
the wiper get
ON position.
warm in approx-
imately 15 min-
utes? See step
6.
b. Does the indi-
cator lamp
light? See
step 8.
6. Place the WIPER
a. Does the indi-
HEATER switch in the
cator lamp go
OFF position.
out. See step
8.
b. Does the wiper
arm cool? See
step 6
Change 1
4-1523
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