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PILOT WINDSHIELD WIPER ARM REPLACEMENT - continued | Up
TM-1-1520-238-23-8 Army Model AH-64 Helicopter (NSN
1520-01-106-9519) (EIC: RHA) Manual | Next
PILOT WINDSHIELD WIPER LINK REPLACEMENT |
TM 1-1520-238-23
12-10
12.3.
PILOT WINDSHIELD WIPER ARM REPLACEMENT - continued
NOTE
To ensure proper installation of wiper,
spacer must be installed between wiper
arm and converter. Spacer can fall out
when wiper arm is removed.
b. Install arm (1) on shaft (5).
(1) Install new spacer (8) and arm (1) on shaft
(5).
(2) Adjust arm (1) on shaft (5) until end of blade
(9) is 0.50 INCH from left edge of canopy
frame (10).
(3) Install bolt (7) through arm (1) on shaft (5).
(4) Lockwire bolt (7) to arm (1). Use wire
(item 229, App F).
c. Adjust blade tension to 10 POUNDS.
(1) Check tension of blade (9) at end of arm (1).
Use scale.
(2) Adjust tension to 10 POUNDS.
(3) Tighten nut (6) to increase tension. Loosen
nut (6) to decrease tension.
d. Inspect (QA).
e. Perform windshield wipers maintenance op-
erational check (TM 1-1520-238-T).
END OF TASK
1
M04-952-5
5
8
M04-952-6
1
0.50 IN
5
9
10
1
M04-952-7
5
7
1
M04-952-8
1
9
6
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