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 250 of 1184

TM 9-2330-334-13&P

SERVICE BRAKES DO NOT APPLY-Continued

0043 00

BRAKES TROUBLESHOOTING - Continued

Table 1.

Service Brakes Do Not Apply - Continued.

Change 1

0043 00-12

INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

11.

Is air present at control port

of ABS relay valve?

No

Replace air hose 103.

1.

Loosen air hose 103 at ABS

relay valve control port.

Yes

Go to (Indication/Condition

12).

2.

Start towing vehicle engine.

3.

Depress towing vehicle

brake pedal.

4.

Check for presence of air.

5.

Shut down towing vehicle

engine.

6.

Tighten air hose 103 to ABS

relay valve control port.