TM 9-4310-397-14
6-8.
ENGINE OIL PUMP REPLACEMENT. - Continued
5.
Measure the Idler shaft OD. The measurement taken should be 0.485 - 0.486 in.
(12.32 - 12.34 mm).
6.
The maximum permissible wear is 0.0005 in. (0.013 mm).
7.
Replace pump if any of the above stated tolerances are exceeded.
c.
Repair. Repair of pump is limited to replacement.
d.
Installation.
(1)
Install a new preformed packing (Figure 6-34, 7) (item 56, appendix H) in cylinder block (for outlet tube).
(2)
Install a new preformed packing (13) (item 57, appendix H) on oil intake pickup tube (12).
(3)
Install new preformed packing (9) (item 58, appendix H) in outlet tube bore in housing and gear assembly
(8).
(4)
Install pump on front plate with cover, pick-up tube (12), and outlet tube (6).
(5)
Install the three cap screws (4) and new lock washers (5) (item 43, appendix H) and torque to 35 ft-lb
(50 Nm).
(6)
Turn oil pump shaft by hand to be sure it turns easily.
(7)
Install oil pump gear (2) and nut (1). Torque nut to 40 ft-lb (54 Nm).
(8)
Stake nut (1) to pump shaft (3).
(9)
Install oil pan per paragraph 6-7.
(10)
Install engine per paragraph 4-72.
6-38
