TM 55-1520-240-23-7
8-68
REPLACE NO. 1 ENGINE TRANSMISSION MAIN OIL PRESSURE SWITCH
8-68
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Oil (E254)
Lockwire (E231)
Cloth (E120)
Parts:
Packing
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Pylon Doors Open (Task 2-2)
REMOVE SWITCH
1.
Disconnect electrical connector (1) from switch
(2).
2.
Remove lockwire from switch (2).
3.
Remove switch (2) from screen support housing
(3).
4.
Wipe up spilled oil. Use cloth (E120).
5.
Remove packing (4) from switch (2).
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