REMOVE VERTICAL HINGE PIN OIL TANK SIGHT INDICATOR
Powertrain Repairers Tool Kit, NSN
Container, 2 Quart
Torque Wrench, 30 to 150 Inch-Pounds
Aircraft Powertrain Repairer (2)
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Forward Rotor Blade Tied-Down (Task 1-26)
Work Platform Open (Task 2-2)
There are 12 vertical hinge pin oil
tanks. Two sight indicators are on
each oil tank. Procedure is similar
to remove any sight indicator.
Differences are noted in text.
Remove lockwire from one filler/drain plug (1) on
upper tank (2). Remove plug and packing (3).
One cup of oil must be drained when
removing upper tank sight indicator.
All oil must be drained when removing
lower tank sight indicator.
Remove lockwire from one filler/drain plug (4) on
lower tank (5). Remove plug and packing (6).
Drain oil. Use container and cloth (E120) for
spilled oil. Wear gloves (E186).