TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 302 of 524

TM5-2330-378-14&P

SectionIV. WHEELSANDTRACKSMAINTENANCE

5-14. BRAKEDRUMREPAIR.

ThisTaskCovers:

Repair

InitialSetup.,

ToolsrrestEquipment:

* Rag(item15,AppendixF)

• Field maintenance

tool set

oSolvent, drycleaning

(Item 19, Appendix F)

(Item 4, Appendix B)

• Tool kit, general mechanic's:

automotive

Equipment

Conditions:

(item 7, Appendix B)

Hub and brakedrum

removed and hub separated from

brakedrum (para 4-68 or 4-69).

Materials/Parts:

* Cloth, abrasive (crocus) (Item 3, Appendix F)

REPAIR

WARNING

Drycleaning solvent is toxic and flammable. Always wear protective goggles and

gloves and use only in a well-ventilated area. Avoid contact with eyes, skin, and

clothes and DO NOT breathe vapors. DO NOT use near open flame or excessive heat.

1

Wash brakedrum (1) thoroughly with drycleaning solvent and rag.

2.

Inspect bralkedrum (1) for wear, cracks, or damage.

Replace if worn, cracked, or damaged.

3.

Inspect inner braking surface (2) for heat checking, scoring, or warpage.

2

5-40