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 115 of 524

TM 5-2330-378-14&P

4-16. TROUBLESHOOTINGCHART(continued).

b. BRAKES

(1) BRAKES DO NOT APPLY.

Initial Setup:

Toolsrrest

Equipment:

- Parking brake applied (see operator's manual

• Tool kit, general mechanic's:

automotive

fortowing vehicle).

(item 7, Appendix B)

- Wheels chocked (para 2-10).

• Multimeter (Item 8, Appendix B)

Personnel Required:

Two

Equipment Conditions:

Semitrailer coupled to towing vehicle. Engine off

(see operator's manual for towing vehicle).

A. Check air-line valve of towing vehicle.

Is valve closed?

Epen

valve

Ve

2

B.

At front of semitrailer,

check service and emer-

gency gladhands

(1) for damage or leaks by

listening for hissing sound or by using a mild

soap solution and watching

for bubbles.

Are any gladhands (1) leaking?

41;110@

@

Clean gladhand (1) and replace packing (2) or

replacegladhand

(1)(para4-50). Verifyproblem

issolved.

Echeck

air reservoir draincocks.

Are any draincocks

open?

-db-

-Iqw-

Close draincocks.

Verify problem is solved.

continued

on next page

4-27