TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 89 of 1258
TM 9-2320-280-34
3-14.
OIL PUMP DRIVE REPLACEMENT
This task covers:
a.
Removal
b.
Installation
INITIAL SETUP:
Tools
Equipment Condition
General mechanic's tool kit:
Engine access cover removed (TM 9-2320-280-20).
automotive (Appendix G, Item 1)
Battery ground cable disconnected
(TM 9-2320-280-20).
Materials/Parts
Gasket (Appendix E, Item 22)
Maintenance Level
Direct support
Manual References
TM 9-2320-280-20
TM 9-2815-237-34P
a.
Removal
1.
Loosen nut (3) connecting RPM sensor (4) to oil pump drive (6) and remove RPM sensor (4).
2.
Remove capscrew (1) and clamp (9) from cylinder block (8).
3.
Remove oil pump drive (6) and gasket (7) from cylinder block (8).
Discard gasket (7).
b.
Installation
1.
Install oil pump drive (6) and gasket (7) into cylinder block (8).
2.
Secure oil pump drive (6) with clamp (9) and capscrew (1).
Tighten capscrew (1) to 25-37 lb-ft (34-50
N m).
3.
Align tab (5) on RPM sensor (4) with slot (2) in oil pump drive (6).
Install RPM sensor (4) on oil pump
drive (6) with nut (3).
FOLLOW-ON TASKS:
Connect battery ground cable (TM 9-2320-280-20).
Install engine access cover (TM 9-2320-280-20).
3-29
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