TM 5-4310-368-14
e. Oil Pump. (Figure 6-17)
(1) Position oil pump drive gear over drive shaft. Align hole in drive gear with hole in drive shaft and install pin.
(2) Install idler shaft into pump housing. Install oil pump driven gear into idler shaft.
(3) Install drive shaft into pump housing.
(4) Position end cover and new gasket over end of pump housing. Align holes and install # 10-32 x 1-1/4"
screws, one # 10-32 x 3/8" screw, four # 10-32 x 1/2" screws and seven # 10 lock washers. Secure end
cover to pump housing.
(5) Install ball check valve, valve spring and cotter pin.
(6) Install filter screen.
(7) Immerse oil pump into a container of clean oil. Rotate oil pump drive shaft to ensure oil pump is primed.
(8) Position oil pump into mounting hole in crankcase. Using soft mallet, seat oil pump into hole in crankcase,
Figure 6-13.
(9) Install alien setscrew and slotted head pipe plug. See Figure 6-30.
(10)
Install woodruff key.
(11)
Position oil pump drive gear over end of oil pump drive shaft. Align keyway in drive gear with woodruff
key. Seat drive gear onto drive shaft with soft hammer.
(12)
Secure drive gear onto shaft with hex nut.
Figure 6-30. Head Pipe Plug
6-24
