REMOVE HUB OIL TANK SIGHT INDICATOR
Remove lockwire between filler plug (4) and sight
indicator (2). Remove filler plug and packing (5).
Remove lockwire from aft drain plug (6). Loosen
plug and drain oil until oil level below sight
indicator (2). Use container for oil.
Tighten and lockwire drain plug (6). Use lockwire
Do not turn rotors with sight indicator
removed. Turning rotors will cause oil
to spill from open port.
Remove sight indicator (2) and packing (7).