TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996
TM-9-2320-280-34

  TM-9-2320-280-34 - Page 96 of 1258

3 - 1 7 . I N TAKE MANIFOLD MAINTENANCE
This task covers:
a.
Removal
c.
Installation
b.
Repair
a. Removal
WARNING
Gaskets installed on some 6.2L engines assembled prior to 1991
may contain asbestos. Gaskets should be removed with a scraper
or putty knife and then disposed of IAW current directives.
Inhalation of asbestos fibers can cause respiratory ailments.
NOT E
In some cases, flanged head fasteners may be present instead of
standard fasteners and washers. In all cases, washers should be used
when replacing a flanged head fastener with a standard fastener.
1
.
Remove nut (12), lockwasher (13), and fuel filter line clamp (14) from stud (15). Discard lockwasher (13).
2.
Remove nut (2), lockwasher (3), and harness clamp (1) from stud (4). Discard lockwasher (3).
3.
Remove two nuts (9), lockwashers (10), and wiring harness bracket (11) from studs (16). Discard
lockwashers (10).
4.
Remove two nuts (7), lockwashers (8), and harness brackets (6) and (17) from two studs (5). Discard
lockwashers (8).
5.
Remove four long studs (22), long capscrew (24), six studs (23), five capscrews (20), and sixteen
washers (19) from intake manifold (18).
6.
Remove three injection line clamps (21), injection line clamp (25), and fuel supply clamp (26) from
intake manifold (18).
7.
Remove intake manifold (18) and two gaskets (27). Discard gaskets (27).
8.
Cover cylinder head (28) ports.
INITIAL SETUP:
To o l s
_____
General mechanic's tool kit:
automotive (Appendix G, Item 1)
M a t e r i a l s / P a rt s
_____________
Two gaskets (Appendix E, Item 24)
Six lockwashers (Appendix E, Item 79)
Manual Refere n c e s
________________
TM 9-2320-280-20
TM 9-2815-237-34
TM 9-2815-237-34P
Equipment Condition
_________________
• Air horn removed (TM 9-2320-280-20).
• CDR valve bracket removed (TM 9-2320-280-20).
General Safety Instructions
______________________
Gaskets installed on some 6.2L engines assembled
prior to 1991 may contain asbestos. Gaskets should
be disposed of IAW current directives.
Maintenance Level
_______________
Direct support
b. Repair
For intake manifold repair procedures, refer to TM 9-2815-237-34.
c. Installation
1.
Install two intake manifold gaskets (27) and intake manifold (18) on cylinder heads (28).
2.
Install injection line clamp (25), fuel supply clamp (26), and three injection line clamps (21) on fuel
injection lines, and position on intake manifold (18).
TM 9-2320-280-34
3 - 3 6
Change 1


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