TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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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 drive gear (5) and driven gear (7) in pump body (8) with reference marks and tangs (6) on drive gear (5) aligned face up. 2. Install pump cover (4) on pump body (8). NOTE See table 17-1 for proper location of capscrews. 3. Align pump cover (4) and pump body (8) and install five capscrews (17). Table 17-1. Capscrew location. 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 N.m). 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), and snapring (9) in pump cover (4). 7. Install selective washer (3) and two oil ring seals (2) on pump cover (4). Ensure lap joints on oil ring seals (2) are properly joined. 8. Install O-ring seal (1) on pump cover (4). 9. Apply sealing compound to outside diameter of oil seal (19). 10. Using oil pump seal installer, install oil seal (19) in oil pump (18). 17-20