TM 1-1520-238-23
6-499
6.120.
MAIN TRANSMISSION FLOAT DIVERTER VALVE DISASSEMBLY/ASSEMBLY
6.120.1. Description
This task covers:
Disassembly. Cleaning. Inspection. Assembly.
6.120.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
6.119
Main transmission float diverter valve re-
moved
WARNING
FLIGHT SAFETY PART
The main transmission is a flight safety
part. Failure to follow maintenance
instructions may result in serious
injury or death of crewmembers and/or
serious damage to the helicopter.
6.120.3. Disassembly
a. Disassemble float diverter valve (1).
(1) Remove float diverter valve top (2), spring
tension clip (3), helical spring (4), retaining
ring (5), and packing (6) from valve (1).
6.120.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
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