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 119 of 524

TM 5-2330-378-14&P

4-16. TROUBLESHOOTINGCHART(continued).

b. BRAKES (continued) (2) BRAKES GRAB.

Initial Setup:

Tools/Test Equipment:

- Parking brake applied (see operators

manual

• Tool kit, general mechanic's:

automotive

for towing vehicle).

(item 7, Appendix

13)

- Wheels chocked (para 2-10).

• Multimeter (item 8, Appendix B)

Equipment Conditions:

-Semitrailer coupled to towing vehicle. Engineoff

(see operators

manual for towing vehicle).

A. Check for moisture in air reservoirs.

Is moisture present in air reservoirs?

Open drain

cocks to drain moisture from air

reservoirs (para 3-8). Verify problem is solved.

B. Check brake adjustment (para 4-47).

Are brakes adjusted

properly?

41000

1

F

Adjust brakes (para 447).

Verify probi

IS

sc

so Ived.

C. Check for grease on brake lining.

Is there grease on brake lining?

Replace brakeshoes (para 4-46). Verify problem is

solved.

continued

on next page

4-31