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 123 of 524

TM 5-2330-378-14&P

4-16. TROUBLESHOOTING CHART (continued).

b. BRAKES (continued)

(3) BRAKES DO NOT RELEASE (continued)-

CONTINUED

FROM STEP C

D.

Check for restriction

in service air hose and

emergency

air hose.

Is either air hose restricted?

411000

F

R@placeorrepairas

required (para4-51).

Verify

pri

pr oblem is solved.

E. Check for closed shutoff valves on towing ve-

hicle.

Are shutoff valves closed?

4111lip".

1

1. Check for weak or broken brakeshoe tension

spring.

2. Replace weak or broken brakeshoe tension

spring (pare 4-46). Verify problem is solved.

Open shutoff valves (refer to operators

manual for

towing vehicle).

END OF TASK

4-35