TM-9-2510-247-13-P

FIFTH WHEEL TOWING DEVICE MODEL 250M

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL, REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2004

TM-9-2510-247-13-P - Page 149 of 522

TM 9-2510-247-13&P

0030 00

UNIT TROUBLESHOOTING - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

WINCH

WINCH WILL NOT OPERATE

Step 1.

Is free spool lever engaged?

If no, engage free spool lever (WP 0012, step 3).

If yes, go to step 2.

Step 2.

Is hydraulic pressure present and shown at the pressure gauge?

If no, charge hydraulic system (WP 0056).

If yes, go to step 3.

Step 3.

Are there leaks in the hydraulic system?

If no, replace winch (WP 0077).

If yes, repair leaks as necessary (WP 0056).

END OF WORK PACKAGE

0030 00-1