MAIN TRANSMISSION OIL DRAIN TUBES REMOVAL/INSTALLATION
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
6.87.2. Initial Setup
Aircraft mechanics tool kit (item 376, App H)
Attack Helicopter Repairer
Attack Helicopter Repairer/Technical
Access doors T250L,
T250R, T290L, T290R, and
L325 opened; panels L200
and R200 removed
Forward catwalk panel
Ammunition storage maga-
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.
Main transmission oil filler neck drain tube is on right side.
Tail rotor output shaft seal retainer drain tube is on left side.
Each drain tube is in three sections which can be removed or installed separately.
Task is typical for either left or right side tube sections.
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