TM 1-1520-238-23
Change 3
2-555
2.150.
FIREWALL ASSEMBLY NO. 1 OR NO. 2 AFT INBOARD ENGINE MOUNT SUPPORT BEARING
REPLACEMENT
2.150.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
2.150.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
0.300 - 24/0 - 24-inch inside/outside vernier caliper
(item 54, App H)
Chemical protective gloves (item 154, App H)
Universal puller kit (item 243, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Brush (item 34, App F)
Cellophane (item 41, App F)
Cloth (item 52, App F)
Methyl ethyl ketone (item 124, App F)
Sealing compound primer (item 146, App F)
Sealing compound (item 167, App F)
Tape (item 206, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
4.3
No. 1 engine removed
or
4.8
No. 2 engine removed
4.85
No. 1 or No. 2 aft engine mount support
removed
NOTE
This task is typical for left and/or right aft
engine mount bearings.
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M04-3632-1A
