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 595 of 1258

TM 9-2320-280-34

12-21. SUSPENSION CROSSMEMBER REPAIR

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP:

Materials/Parts

Maintenance Level

Metal strip (Appendix B, Item 36)

Direct Support

Manual References

TM 9-237

TM 43-0139

a.

Inspection I

1.

Visually inspect the main frame rails for damage or distortion. Vehicles with damaged frame rails

should be sent to GS maintenance for repair.

NOTE

Crossmember with end bracket weld breaks of more than 1 in.

(2.54 cm) must be replaced. Any crack pr tear in the

crossmember longer than 1-3/4 in. (4.4 cm) requires

replacement of the crossmember.

2.

Inspect the crossmember (1) for bends, cracks, or broken end bracket welds. Bent crossmembers (1)

should be straightened. Small cracks or tears should be stop-drilled and welded.

b.

Repair

NOTE

Heli-Arc, MIG, or TIG welding equipment may be used,

provided the electrode used has a 70,000 (482,650 kPa) psi

tensile strength.

Avoid heat buildup in the rubber bushing areas toward the

outer edges of the crossmember.

For welding instruction refer to TM 9-237.

1.

Center a 15-1/2-in. (39.4 cm) metal strip (3) between the end brackets (2), flat against bottom edges of

the crossmember (1). Weld the metal strip (3) to the crossmember (1).

2.

Spot paint welded area. (Refer to TM 43-0139).

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