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 249 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.

0043 00-11

Change 1

INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

10.

Is air present at two delivery

ports of ABS ECU valve?

No

Replace ABS ECU valve

(WP 0071 00).

1.

Loosen air hoses at ABS ECU

valve delivery ports.

Yes

Go to (Indication/Condition

11).

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 hoses to ABS

ECU valve delivery ports.