TM 1-1520-238-23
4-507
4.153.
COLLECTIVE SERVOCYLINDER ENGINE CONTROL ROD ADAPTER
REMOVAL/INSTALLATION
4.153.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.153.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Materials/Parts:
Cotter pin
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
4.151
Collective servocylinder engine control rod
removed
4.153.3. Removal
a. Remove control rod adapter (1) from collec-
tive servocylinder (2).
(1) Remove and discard cotter pin (3) from nut
(4).
(2) Remove nut (4) and washer (5) from adapter
(1).
(3) Remove adapter (1).
4.153.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
4.153.5. Inspection
a. Check servocylinder and adapter for cracks.
None allowed.
b. Check adapter for damaged threads. None al-
lowed.
c. Check servocylinder and adapter for corro-
sion (para 1.49).
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