TM-9-2330-334-13-P

FAMILY OF MEDIUM TACTICAL VEHICLES (FMTV) LOAD HANDLING SYSTEM TRAILER (LHST) M1147A1

TECHNICAL MANUAL; OPERATOR AND FIELD LEVEL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)

DECEMBER 2013

CHANGE 1

TM-9-2330-334-13-P - Page 261 of 1184

TM 9-2330-334-13&P

TRAILER BRAKES UNEVENLY OR BRAKES

PULL TO ONE SIDE OR GRAB -Continued

0044 00

BRAKES TROUBLESHOOTING - Continued

Table 1.

Trailer Brakes Unevenly Or Brakes Pull To One Side Or Grab - Continued.

0044 00-9/10-Blank

Change 1

INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

8.

Is air present at service port

of brake air chamber of

affected wheel(s)/brake(s)

while brakes are applied?

No

Replace damaged or

blocked air hoses.

1.

Tighten hoses at delivery

ports of ABS relay valve

(front) or ABS ECU valve

(rear).

Yes

Replace spring brake

chamber (WP 0081 00).

2.

Loosen hoses at service port

of brake air chamber of

affected wheel(s)/brake(s).

3.

Start towing vehicle engine.

4.

Allow brake air pressure to

fully charge.

5.

Depress brake pedal and

have assistant check for

presence of air escaping at

service port of air brake

chambers and air hoses.

6.

Shut down towing vehicle

engine.

END OF WORK PACKAGE