TM 1-1520-238-23
Change 7
4-93
4.31.
ENGINE BUILDUP – NO. 1 AND NO. 2 ENGINE MOUNT INSTALLATION
4.31.1. Description
This task covers:
Removal. Cleaning. Inspection.
4.31.2. Initial Setup
Equipment Conditions:
Ref
Condition
4.30
Engine buildup – No. 1 and No. 2 engine
NOTE
This task is typical for No. 1 or No. 2
engine mounts.
4.31.3. Installation
a. Install aft inboard mount (1) on diffuser case
(2). Torque two nuts (3) to 175 INCH-POUNDS.
(1) Insert two bolts (4) through mount (1) and
case (2).
(2) Install two washers (5) and nuts (3) on two
bolts (4).
NOTE
Ensure equal space between mount lugs
and engine case while torquing nuts.
(3) Hold two bolts (4). Torque nuts (3) to 175
INCH-POUNDS. Use torque wrench.
b. Install aft lower mount (6) on diffuser case (2).
Torque two nuts (7) to 175 INCH POUNDS.
(1) Install two bolts (8) through mount (6) and
case (2).
(2) Install two washers (9) and nuts (7) on two
bolts (8).
NOTE
Ensure equal space between mount lugs
and engine case while torquing nuts.
(3) Hold two bolts (8). Torque nuts (7) to 175
INCH-POUNDS. Use torque wrench.
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M04-1348-1
5
2
1
3
M04-1348-2
4
M04-1348-3
7
9
6
8
2
