TM 55-1520-240-T
12-4.2 WINDSHIELD WIPERS VISUAL CHECK
12-4.2
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit,
NSN 5180-00-323-4692
Work Stand
Materials:
None
Personnel Required:
67U10 Medium Helicopter Repairer
References:
TM 55-1520-240-23
Equipment Condition:
TM 55-1520-240-23:
Battery Disconnected
Electrical Power Off
Hydraulic Off
TASK
RESULT
1. Check windshield wiper arms (1) and
If either arm (1) is damaged, replace it. If either
wiper blades (2).
blade (2) is cracked, torn, or loose, replace it.
2. Check WINDSHIELD WIPERS switch
If switch (3) is loose or damaged tighten or re-
(3).
place it as required.
3. Lower overhead panel.
4. Check windshield wiper motor (4),
If windshield wiper motor (4) is loose or damaged,
shafts (5), and actuators (6).
tighten or replace it as required. If either shaft (5)
is damaged, replace it. If either actuator (6) is
loose or damaged, tighten or replace it as re-
quired.
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Secure overhead panel
END OF TASK
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