TM 55-1520-240-23-5
6-171.1
REPLACE COMBINING TRANSMISSION MAIN OIL FILTER PRESSURE DIFFERENTIAL
INDICATOR
6-171.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Lockwire (E231)
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Pylon Access Doors Open (Task 2-2)
REMOVE INDICATOR
1.
Remove lockwire from pressure differential
indicator (1). Remove indicator from housing (2).
2.
Remove two packings (3 and 4) from indicator
(1).
INSTALL INDICATOR
3.
Install two packings (3 and 4) on indicator (1).
4.
Hold indicator (1) so that button (5) points up.
Check that button is pushed in and locked.
5.
Install indicator (1) in housing (2).
6-574
