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 565 of 1258

TM 9-2320-280-34
12-7.
LEFT AIRLIFT BRACKET AND FRONT UPPER CONTROL ARM BRACKETS REPLACEMENT
This task covers:
a.
Removal
b.
Installation
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-280-20
automotive (Appendix G, Item 1)
TM 9-2320-280-24P
Materials/Parts
Equipment Condition
Locknut (Appendix E, Item 57)
Left engine splash shield removed
Locknut (Appendix E, Item 59)
(TM 9-2320-280-20).
Eight locknuts (Appendix E, Item 60)
Sealing compound (Appendix B, Item 49)
Maintenance Level
Direct support
NOTE
Vehicles with serial numbers 100,000 and above have new,
reinforced airlift brackets.
Previous model airlift brackets will be
used on vehicles with serial numbers 99,999 and below only.
Refer
to vehicle serial number before ordering replacement parts.
a.
Removal
1.
Raise and support front of vehicle.
2.
Remove three screws (9), clamps (7), and harness (8) from airlift bracket (5).
3.
Remove two locknuts (2), washers (3), and capscrews (6) from radiator support (4) and airlift
bracket (5).
Discard locknuts (2).
4.
Remove two locknuts (12), washers (13), capscrews (18), washers (13), and disconnect upper control
arm (15) from two control arm brackets (16).
Discard locknuts (12).
NOTE
Note direction of capscrews for installation.
5.
Remove six locknuts (11), washers (10), capscrews (1), and washers (10) from two control arm
brackets (16), airlift bracket (5), and frame rail (19).
Discard locknuts (11).
6.
Remove four capscrews (14), washers (10), control arm brackets (16), shims(s) (17) if present, and
airlift bracket (5) from frame rail (19).
b.
Installation
1.
Install airlift bracket (5), shim(s) (17) if removed, and two control arm brackets (16) on frame
rail (19) with six washers (10), capscrews (1), washers (10), and locknuts (11).
Tighten locknuts (11)
to 90 lb-ft (122 N.m).
2.
Apply sealing compound to threads of two capscrews (14).
3.
Secure airlift bracket (5) and two control arm brackets (16) on frame rail (19) with four washers (10)
and capscrews (14).
Tighten capscrews (14) to 90 lb-ft (122 N.m).
4.
Install upper control arm (15) on two control arm brackets (16) with two washers (13), capscrews
(18), washers (13), and locknuts (12).
Tighten locknuts (12) to 260 lb-ft (353 N.m).
12-8


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