TM 55-1520-240-23-5
6-123
REPLACE FORWARD TRANSMISSION MAIN OIL FILTER ELEMENT
6-123
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4962
Container, 2 Quart
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Lockwire (E230)
Dry Cleaning Solvent (E162)
Cloths (E120)
Gloves (E186)
Lubricating Oil (E253, E254, or E254.1)
Parts:
Packings
Filter Element
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)
General Safety Instructions:
Oil (E253, E254, or E254.1) 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 with water for at least 15
minutes. Get medical attention for
eyes.
REMOVE ELEMENT
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.
Loosely install drain plug (4) and packing (5) in
housing (3).
6-472
