TM-9-2330-227-14-P

SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1985

TM-9-2330-227-14-P - Page 106 of 576

TM 9-2330-227-14&P

4-28

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

9. ONE OR MORE, BUT NOT ALL RECEPTACLES WILL NOT WORK - CONTINUED

Step 3.

Step 4.

Step 5.

Continued

If receptacles still do not work, the wire leading from

receptacles to ground wire needs replacement. Notify

Direct Support Maintenance.

NOT E

Perform the following steps to all receptacles which do not work.

Using multimeter set to read continuity, put red probe in one

contact and black probe in the other.

If multimeter shows continuity, replace receptacle

(page 4-32).

Using multimeter set to read continuity, put red probe on one

end of wire for receptacle closest to rear and black probe

on other end of wire on the same side where it connects

to the closest working receptacle in that row.

a. If multimeter shows no continuity, wire needs

replacement. Notify Direct Support Maintenance.

b. If multimeter shows continuity, wire on other

side needs replacement. Notify Direct Support Maintenance.

AIR OVER HYDRAULIC BRAKE SYSTEM

10. BRAKES WILL NOT APPLY OR RELEASE

Step 1.

Check towing vehicle brake system to make sure it is operating correctly.

If brake system is not operating correctly, troubleshoot towing vehicle.

Step 2.

Check intervehicular air connectors to make sure they are hooked up

correctly to towing vehicle.

If intervehicular air connectors are not hooked up correctly,

hook them up correctly (page 2-19).