TM 55-1520-240-23-3
4-60.1
REPLACE ENGINE LOWER ACCESS COVER
4-60.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
Dry Cleaning Solvent (E162)
Sealant (E339)
Cloths (E120)
Gloves (E186)
Personnel Required:
Medium Helicopter Repairer (2)
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Engine Lower Access Cover Open (Task 4-49)
References:
TM 55-1520-240-23P
NOTE
Procedure is same to replace right
or left engine lower access cover.
Replacement of left cover is shown
here.
REMOVE
1.
Remove sealant from bolt (1) head holding
bonding jumper (2).
2.
Have helper hold bolt (1). Working inside aircraft,
remove nut (3) and washer (4) from bolt.
3.
Remove bolt (1) and washer (5). Disconnect
jumper (2) from bolt.
4.
Have helper support cover (6). Push hinge pin (7)
forward out of hinge (8) until pin can be gripped
and pulled forward out of hinge. Remove cover.
4-269