TM 55-1520-240-23-5
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INSTALL AFT ROTOR SHAFT CHIP DETECTOR
6-162
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Crowfoot Attachment, 1-1/4 Inch
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Oil (E254)
Lockwire (E231)
Parts:
Packings
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
TM 55-1520-240-T
Oil (E254) is toxic. It can irritate skin
and cause burns. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
In case of contact, immediately flush
skin or eyes for at least 15 minutes.
Get medical attention for eyes.
1.
Coat packing (1) and thread of chip detector (2)
with oil (E254).
2.
Install chip detector (2) in bearing support (3).
Torque to 80 inch-pounds.
3.
Lockwire chip detector (2) to bearing support (3).
Use lockwire (E231).
4.
Connect electrical connector (4).
5.
Perform operational check of aft rotor shaft chip
detector plug. (Refer to TM 55-1520-240-T.)
6.
Install access panel (5). Tighten four turnlock
fasteners (6).
INSPECT
FOLLOW-ON MAINTENANCE:
Close aft pylon right work platform (Task 2-2).
END OF TASK
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