TM 9-2320-272-24-4
5-11. ENGINE OIL PUMP REPAIR (Contd)
NOTE
l Steps 1 through 9 are performed to replace parts found defective
during cleaning and inspection steps 3, 7, 12, and 13.
l Bushings must be replaced as a pair.
Using arbor press and mandrel, remove old front and rear driveshaft bushings (2) from oil pump
1.
body (1).
Install new front and rear driveshaft bushings (2) in oil pump body (1), flush to 0.030 in. (0.78 mm)
2.
below surfaces.
Bore new front and rear driveshaft bushings (2) inner diameter to 0.6165-0.6175 in. (15.659-15.684 mm).
3.
Remove old bushing (3) from filter head (4).
4.
5.
Install new bushing (3) in filter head (4) to 0.020 in (0.51 mm) below front surface.
Bore new bushing (3) inner diameter to 0.6165-0.6175 in. (15.659-15.684 mm).
6.
Using arbor press and mandrel, remove four old bushings (6) from two idler gears (5).
7.
NOTE
Idler gear bushings must be replaced as a pair.
8.
Press two new bushings (6) in each idler gear (5) flush to 0.20 in. (0.51 mm) below gear face.
9.
Bore inner diameter of four bushings (6) to 0.6165-0.6175 in. (15.659-15.684 mm).
5-86
