TM 55-1520-240-23-5
6-208.5
INSTALL ENGINE TRANSMISSION TEMPERATURE SWITCH ASSEMBLY
6-208.5
INITIAL SETUP
Applicable Configurations:
With 37
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 0 to 150 Inch-Pounds
Materials:
Lockwire (E231)
Parts:
Preformed Packings
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
NOTE
Procedure is same to install
temperature switch in left or right
transmission. Right transmission
shown.
1.
Install adapter (1) with new packing (2) in the
transmission port. Torque to 77 inch-pounds.
2.
Install temperature switch (3) with new packing
(4) in adapter (1) Torque to 77 inch-pounds.
3.
Lockwire adapter (1) to chip detector valve (5).
Lockwire switch (3) to adapter (1). Use lockwire
(E231).
4.
Slide clamp (5) onto switch (3). Tighten screw
(6).
5.
Connect electrical connector (7) to switch (3).
FOLLOW-ON MAINTENANCE:
Perform operational check of temperature switch (TM
55-1520-240-T).
Service engine transmission (Task 1-54).
Install engine transmission fairing (Task 4-73).
Install engine air inlet fairing (Task 4-75).
END OF TASK
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