TM-9-2320-273-34
TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1980
TM-9-2320-273-34 - Page 31 of 801
TM 9-2320-273-34
Table 2-8. Brake Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR COMPRESSOR
1.
COMPRESSOR FAILS TO MAINTAIN ADEQUATE PRESSURE.
Step 1.
Check compressor unloader valve action (para 14-2).
Repair the compressor cylinder head group (para 14-3 through 14-8).
Step 2.
Check vehicle air system (TM 9-2320-273-20).
Replace faulty component(s) (TM 9-2320-273-20).
2.
COMPRESSOR IS NOISY.
Step 1.
Check for excessive carbon in compressor cylinder head or discharge line.
Repair cylinder head or discharge line (para 14-3 through 14-8).
Step 2.
Check for worn or burned out bearings.
Replace bearings (para 14-3 through 14-8).
Step 3.
Check for worn spline or coupling.
Replace spline or coupling (para 14-3 through 14-8).
3.
COMPRESSOR IS PUMPING OIL.
Step 1.
Check for broken ring(s).
Replace rings (para 14-3 through 14-8).
Step 2.
Check for worn or damaged cylinder bore.
Repair (para 14-3 through 14-8).
Step 3.
Check for bent connecting rod.
Replace (para 14-3 through 14-8).
2-15
Back to Top
