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 259 of 522

TM 9-2510-247-13&P

0055 00

AIR BRAKE FITTINGS MAINTENANCE

REMOVAL, INSPECTION, REPLACEMENT/REPAIR, INSTALLATION

INITIAL SETUP:

Equipment Conditions

Materials/Parts

• Parked on level ground.

• Tape, antiseizing (item 17, WP 0085)

• Gladhands Removed (WP 0053).

• Tie, wire (item 18, WP 0085)

• Tubing, non-metallic

• Insert (8) (414506C1)

Tools/Test Equipment

Tool Kit, Mechanics General,

NSN 5180-00-177-7033

REMOVAL

CAUTION

Failure to cap or plug hose connections to prevent contamination

may result in damage to equipment.

NOTE

Air hoses are not ordinarily removed except if they need to be replaced.

1. Remove gladhand retaining nut (1) from straight adapter (2) or 45° fitting (3).

NOTE

Gladhand connections on prime mover side have straight adapters.

Gladhand connections on towed vehicle side have 45° fittings.

Perform step 2a for prime mover side and step 2b for towed vehicle side.

2a. Remove straight adapter (2) from air hose (4) and remove insert (5). Discard insert.

2b. Remove 45° compression fitting ( 3) from air hose (4) and remove insert (5). Discard insert.

0055 00-1

NOTE

Tag brake hoses and connection points prior to disconnecting.

Note location of plastic cable ties prior to removal.

Remove plastic cable ties as required.

Air hoses are not ordinarily removed except if they need to be replaced.