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 236 of 1258
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ENGINE PREPA R ATION (6.2 L AND 6.5 L)
This task covers:
a.
Disassembly
b.
Assembly
a. Disassembly
NOT E
Engine preparation for 6.2 L and 6.5 L engines is basically the
same. Differences are noted.
1.
Place engine on stand and disconnect hoist.
NOT E
Have drainage container ready to catch oil.
2.
Remove drainplug (1) and gasket (2) from oil pan (3). Allow oil to drain completely.
3.
Install drainplug (1) and gasket (2). Tighten drainplug (1) to 20 lb-ft (27 N
.
m).
4.
Remove two capscrews (9) from engine lifting sling (4) and right cylinder head (10).
5.
Remove pin (5) from sling bracket (7) and engine lifting sling (4).
6.
Remove two capscrews (6) and sling bracket (7) from cylinder head (8).
________
WARNING
________
Direct personnel to stand clear during hoisting operation. Failure to
do this may cause injury.
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix G, Item 1)
Special Tools
Hex head driver, 8 mm,
(Appendix G, Item 115)
Torque adapter, 9/16 in.
(Appendix G, Item 109)
Crowfoot, 9/16 in. (Appendix G, Item 116)
Engine lifting sling (Appendix G, Item 22)
Engine stand (Appendix G, Item 23)
Belt tension gage (Appendix G, Item 27)
Materials/Parts
Thirty-six lockwashers
(Appendix E, Items 75, 80, and 82)
Nut and lockwasher assembly
(Appendix E, Item 94)
Five locknuts (Appendix E, Items 47 and 57)
O-ring seal (Appendix E, Items 103)
Antiseize compound (Appendix B, Item 7)
Adhesive sealant (Appendix B, Item 2)
RTV sealant (Appendix B, Item 43)
Sealing compound (Appendix B, Item 49)
Sealing compound, thread-locking
(Appendix B, Item 50)
Manual References
TM 9-2320-280-24P
Equipment Condition
Engine removed (para. 3-22 or 3-24).
General Safety Instructions
• Direct personnel to stand clear during hoisting
operation.
• Starter must be supported during removal and
installation.
• Alternator must be supported during removal
and installation.
• Power steering pump must be supported during
removal and installation.
Maintenance Level
Direct support
TM 9-2320-280-34
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