TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0080 00
ELECTRICAL SYSTEM Continued
Table 3. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
167. AIR DRYER
2. Allow engine to idle until 120
HEATER DOES
psi is registered on FRONT
NOT OPERATE -
BRAKE AIR and REAR BRAKE
Continued
AIR pressure gages.
3. Shut down engine (WP 0018
00).
4. If FRONT BRAKE AIR or REAR
BRAKE AIR pressure gage does
not register 120 psi, perform
System Loses Pressure During
Operation/Slow Air Pressure
Buildup).
3. Check to see if air
If air hoses and fittings are not
hoses and fittings are
free from leaks, notify Field
free from leaks.
Maintenance to repair leaks.
4. Check to see if air
If air dryer heater does not
dryer heater
operate, notify Field
operates.
Maintenance.
0080 00-139
