INSTALL AFT TRANSMISSION MAIN OIL PUMP
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 30 to 150 Inch-Pounds
Medium Helicopter Repairer (2)
Tiedown Line Installed On One Forward Blade (Task
Install packing (1) on pump (2).
Rotary-wing blades can seriously
injure personnel. Make sure area
around helicopter is clear of personnel
before turning blades.
Install pump (2) slowly and carefully on three
studs (3). Have helper pull blade (4) around with
tiedown line (5) as needed to align splines in
transmission with splines of pump drive shaft (6).
Install three washers (7) and nuts (8) on studs
(3). Torque nuts to 60 inch-pounds.
Service aft transmission with oil (Task 1-54).
Install aft transmission drip tray (Task 2-3).
Close baffles under aft transmission (Task 2-2).
Close cargo ramp (Task 2-2).
END OF TASK