TM 9-2320-280-34
17-6. OIL PUMP REPAIR (3L80) (Cont'd)
d. Assembly
CAUTION
All transmission parts must be lubricated with clean transmission
fluid before assembly. Foreign material will cause transmission
damage.
NOTE
For general assembly instructions, refer to para. 2-16.
1.
Install oil seal (7.1) on pump cover (4).
1.1.
Install drive gear (6) and driven gear (5) in pump body (8) with reference marks and tangs (7) on
drive gear (6) aligned face up.
2.
Install pump cover (4) on pump body (8).
2.1.
Install disk (15.1) in pump cover (4).
2.2.
Install gasket (1) in pump cover (4).
NOTE
See table 17-1 for proper location of capscrews.
3.
Align pump cover (4) and pump body (8) and install five capscrews (17).
Capscrew A
5/16 X 18 X 1
Capscrew B
5/16 X 18 X 1-1/2
Capscrew C
5/16 X 18 X 1-3/4
4.
Install oil pump (18) into transmission case (16) and tighten five capscrews (17)
to 18 lb-ft (24 Nm).
5.
Remove oil pump (18) from transmission case (16).
6.
Install regulator valve (15), spacer(s) (14), spring retainer (13), spring (12), boost valve (11), boost
valve bushing (10), snapring (9), and pin (8.1) in pump cover (4).
7.
Install selective washer (3), thrust washer bearing (2.1), and packing retainer (2) on pump
cover (4). Ensure lap joints on packing retainer (2) and thrust washer bearing (2.1) are properly
joined.
8.
Deleted.
9.
Apply sealing compound to outside diameter of seal (19).
10.
Using oil pump seal installer, install seal (19) in oil pump (18).
17-20
Change 2
