TM 55-1520-240-23-10
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INSTALL WINDSHIELD WIPER ARM
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Soft Jawed Vise
Workstand
Cotter Pin, 1/8 Inch
Materials:
Lockwire (E233)
Personnel Required:
CH-47 Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
NOTE
There are two windshield wiper arms.
Installation procedure is same for
both. Right wiper is shown here.
Deleted.
1.
Put arm hub (1) in vise (2).
2.
Pull back on arm (3) against spring tension.
3.
Insert cotter pin (4) in hole (5) in arm (3).
4.
Remove arm (3) from vise (2).
5.
Check sleeve (6) and arm hub (1) for stripped
grooves. There shall be no stripped grooves.
6.
Install sleeve (6) into arm hub (1).
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Change 1