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 126 of 524

TM 5-2330-378-14&P

ROUBLESHOCITINGCHART(continued).

b. BRAKES

(continued)

(5) BRAKES DRAG WITH ONE OR MORE

BRAKEDRUMS RUNNING HOT.

initial

Setup:

Tools/Test

Equipment:

- Parking brake applied (see operator's manual for

-Tool kit, general mechanic's: automotive

towing vehicle),

(Item 7, Appendix B)

- Wheels chocked (para 2-10).

Equipment Conditions:

-Semitrailer

coupled to towing vehicle.

Engineoff

(see operators

manual for towing vehicle).

brake adjustment (para 4-47).

Are brakes out of adjustment?

____qW8PP

I

Adjust brakes (para 4-47). Verify problem is

solved.

B. Check for weak or broken brakeshoe tension

spring.

Is brakeshoe

tension spring weak or broken?

____444qPW

_401001110@

Replace

brakeshoe

tension

spring

(para

4-46). Verify problem is solved.

C.

Check for broken or frozen cam roller.

Is cam roller broken or frozen?

'4q@

-

1. Replace any cracked or deformed

brakedrum

(para4-68or4-69).

2. Notify Direct Support maintenance

if brakedrum

is scored.

I

-

Replacer-am roller (para 446). Verify problem issolved]

END OF TASK

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