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 108 of 1258
3 - 2 2 . ENGINE REMOVAL (6.2 L)
This task covers:
Removal
INITIAL SETUP:
General Safety Instructions
______________________
• Hood must be supported during removal.
• Do not remove surge tank filler cap before
releasing internal pressure.
• Do not drain oil when engine is hot.
• Alternator must be supported during removal.
• Do not touch hot exhaust system components with
bare hands.
• Do not use diesel fuel near fires, flames, or sparks.
• Transmission must be supported during engine
removal.
• Direct personnel to stand clear during hoisting
operation.
• Do not use hands to free engine of hangups or snags.
• Parking brake to be applied throughout procedure.
Maintenance Level
_______________
Direct support
TM 9-2320-280-34
3 - 4 6
Change 1
NOT E
• Replacement parts for 1990 and above engines and previous model
engines are basically the same. Refer to engine decal model
number on left rocker arm cover before ordering replacement parts.
• This procedure is for 6.2L and detuned 6.5L engines only. Refer to
para. 3-24 for 6.5L engine removal.
CAUTION
Throughout engine removal procedure, cover or plug all hoses
immediately after disconnecting to prevent contamination.
1.
Disconnect connector plug (7) from connector to receptacle (6).
WARNING
Hood must be supported during removal. Failure to support hood
may cause injury to personnel and damage to equipment.
2.
Remove four screws (15), lockwashers (14), and bracket (13) from airlift bracket (10). Discard
lockwashers (14).
3.
Lower hood and remove two cotter pins (3), washers (4), hinge pins (8), washers (1), and two
upper hinge halves (2) from lower hinge halves (5). Discard cotter pins (3).
4.
Remove hood with prop rod (9) and bracket (13) attached.
5.
Remove two cover plates (11) and seals (12) from airlift brackets (10).
Removal
Applicable Models
_______________
All vehicles except: M997A2, M1025A2,
M1035A2, M1043A2, M1045A2, M1097A2,
M1123
To o l s
____
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Special To o l s
__________
Engine lifting sling (Appendix G, Item 22)
Hex head driver, 8 mm, (Appendix G,Item 11±5±)
Material/Parts
E n gi n e
/ Transmission support sling
(Appendix C, Fig. 24 through 40) (Optional)
Personnel Require d
________________
One mechanic
One assistant
Manual Refere n c e s
________________
TM 9-2320-280-10
TM 9-2320-280-20
TM 9-2320-280-24P
Equipment Condition
_________________
• Battery ground cable disconnected
(TM 9-2320-280-20).
• Hood raised and secured (TM 9 - 2 3 2 0 - 2 8 0 - 1 0 )
.
• Engine access cover removed
(TM 9-2320-280-20).
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