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 147 of 522

TM 9-2510-247-13&P

0029 00

UNIT TROUBLESHOOTING - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

AIR BRAKE SYSTEM

AIR BRAKE SYSTEM WILL NOT OPERATE

Step 1.

Are gladhands properly fitted and secure?

If no, adjust gladhand connections (WP 0016).

If yes, go to step 2.

Step 2.

Are there any air leaks?

If no, replace air brake protection valve (WP 0054).

If yes, replace and repair air lines and fittings or gladhands as necessary

(WP 0055).

END OF WORK PACKAGE

0029 00-1