TM 1-1520-238-23
4-180
Change 4
4.57.
NO. 1 AND NO. 2 ENGINE LOUVER ACTUATOR REMOVAL/INSTALLATION – continued
c. Remove air inlet hose (1) from louver actuator
(2).
(1) Hold reducer (3). Remove hose nut (4).
d. Remove louver arm (5) from actuator shaft (6).
(1) Remove and discard cotter pin (7).
(2) Hold bolt (8). Remove nut (9) and washer
(10).
(3) Remove bolt (8) and washer (11).
(4) Remove arm (5).
e. Remove actuator (2) from louver (12).
(1) Remove three screws (13) and washers (14).
(2) Remove actuator (2).
f. Remove reducer (3) from actuator (2).
(1) Hold actuator (2) remove reducer (3).
(2) Remove and discard packing (14.1).
4.57.4. Cleaning
a. Clean actuator and mounting surface on lou-
ver (para 1.47).
4.57.5. Inspection
a. Check actuator mounting surface on louver
for cracks. None allowed.
b. Check actuator and louver for corrosion (para
1.49).
c. Check reducer for stripped threads. None al-
lowed.
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5
8
11
10
9
7
6
4
M04-1023-2
2
1
3
14
13
2
12
M04-1023-3A
3
14.1
