TM 55-1520-240-23-5
6-123.1
REPLACE FORWARD TRANSMISSION MAIN OIL FILTER PRESSURE DIFFERENTIAL
INDICATOR
6-123.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Container, 2 Quart
Materials:
Lockwire (E231)
Parts:
Packings
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Forward Transmission Drip Pan Removed (Task 2-3)
DRAIN OIL
NOTE
Filter housing holds about 1 pint.
1.
Turn detection screen cap (1) to move wire (2)
away from filter housing (3).
2.
Remove lockwire from drain plug (4). Remove
plug and packing (5). Drain oil. Use container to
catch oil.
3.
Install drain plug (4) and packing (5) in housing
(3). Torque to 80 inch-pounds. Lockwire plug to
housing. Use lockwire (E231).
6-475
