TM 1-1520-238-23
Change 4
4-181
4.57.
NO. 1 AND NO. 2 ENGINE LOUVER ACTUATOR REMOVAL/INSTALLATION – continued
4.57.6. Installation
a. Install reducer (3) on actuator (2).
(1) Lubricate threads of reducer (3) and new
packing (14.1). Use petrolatum (item 138,
App F).
(2) Install reducer (3) on actuator (2).
NOTE
Do not tighten mounting screws until ad-
justed.
b. Install actuator (2) on louver (12).
(1) Install short screw (13) through washer (14)
and actuator lower mount.
(2) Install two long screws (13) through washers
(14) and actuator top mounts.
c. Install arm (5) on shaft (6).
(1) Install bolt (8) through washer (11), arm (5),
and shaft (6).
(2) Hold bolt (8). Install washer (10) and nut (9).
(3) Install new cotter pin (7).
d. Install air inlet hose (1) on louver actuator (2).
Torque nut (4) to 60 INCH-POUNDS.
(1) Lubricate threads of reducer (3). Use
petrolatum (item 138, App F).
(2) Install nut (4) on reducer (3).
(3) Hold reducer (3). Torque nut (4) to 60 INCH-
POUNDS. Use torque wrench.
e. Inspect (QA).
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2
M04-1023-9
14.1
3
8
5
11
6
7
9
10
13
14
12
2
3
14
13
M04-1023-8A
1
4
