TM 1-1520-238-23
Change 3
4-505
4.152.
COLLECTIVE SERVOCYLINDER ENGINE CONTROL ROD DISASSEMBLY/ASSEMBLY
4.152.1. Description
This task covers:
Disassembly. Cleaning. Inspection. Assembly.
4.152.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
4.151
Collective servocylinder engine control rod
removed
4.152.3. Disassembly
a. Remove rod end (1) from collective servocy-
linder engine control rod (2).
(1) Remove lockwire from jamnut (3).
(2) Hold control rod (2). Loosen jamnut (3).
(3) Remove rod end (1).
b. Remove rod end (4) from control rod (2).
(1) Remove lockwire from jamnut (5).
(2) Hold control rod (2). Loosen jamnut (5).
(3) Remove rod end (4).
4.152.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
4.152.5. Inspection
a. Check rod for cracks or damaged threads.
None allowed.
b. Check rod ends for damaged threads. None
allowed.
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