TM 1-1520-238-23
12-18
12.6.
PILOT WINDSHIELD WIPER FLEX SHAFT REPLACEMENT
12.6.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
12.6.2. Initial Setup
Tools:
Aircraft mechanics tool kit (item 376, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Strap (item 193, App F) (2)
Wire (item 229, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access cover L40 removed
8.21
Signal data converter tray removed
12.6.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot aft circuit breaker panel, open ECS
WSHLD WPR circuit breaker.
NOTE
The coupling can fall out when flex shaft
is removed.
c. Remove wiper flex shaft (1) from wiper motor
(2).
(1) Remove lockwire from nut (3) and motor (2).
(2) Remove nut (3) and coupling (4) from motor
(2).
(3) Remove flex shaft (1).
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