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 297 of 1184

TM 9-2330-334-13&P

DRAWBAR DOES NOT RAISE/LOWER -Continued

0050 00

PNEUMATIC TROUBLESHOOTING - Continued

Table 1.

Drawbar Does Not Raise/Lower - Continued.

0050 00-5

Change 1

INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

4.

Is air pressure present at

port EA of drawbar lift

control valve?

No

Replace drawbar lift control

valve (WP 0094 00).

1.

Disconnect hose 002 from

port EA on drawbar lift

control valve.

Yes

Replace breather valve (WP

0082 00).

2.

Lower handle on drawbar lift

control valve.

3.

Listen and feel for air

escaping from port EA on

drawbar lift control valve.

4.

Release handle of drawbar

lift control valve.