TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 256 of 985

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

DUAL AIR BRAKE SYSTEM (CONT)

1.

BRAKES WILL NOT RESPOND PROPERLY (CONT).

Step 5.

Loosen supply hose at brake chamber. Apply service brake and listen for air escaping from

supply hose.

If air is heard escaping, replace defective brake chambers (para 11-8 or 11-9).

2-163