TM 9-2320-392-10-1
VEHICLE OPERATION IN COLD ENVIRONMENT
0055 00
32F TO 25F (0C to 32C) - Continued
ENGINE START IN COLD ENVIRONMENT - Continued
19. Check that WATER TEMP gage (35) reads less than 230F (110C). If WATER TEMP
gage reads in the red zone or COOLANT TEMP indicator (36) is illuminate, shut down
engine (WP 0018 00) and perform Engine System Troubleshooting.
NOTE
Perform the following two steps when windshield is clear of frost/ice and
prior to driving vehicle.
20. Position WARMUP/OFF/RETARD switch (31) to OFF.
21. Press LO IDLE/HI IDLE switch (30) to engage LO IDLE.
NOTE
If FRONT BRAKE AIR and REAR BRAKE AIR pressure gages do not read
between 75-120 psi after engine warm-up, shut down engine and perform
Air System Troubleshooting.
LOW FRONT AIR and LOW REAR AIR indicators will illuminate (red) and
audible alarm will sound until air pressure is between 75-85 psi.
22. Check that FRONT BRAKE AIR pressure gage (37) and REAR BRAKE AIR pressure
gage (38) read between 75-120 psi (517-827 kPa).
23. Check that VOLTS gage (39) reads between 26 and 30 volts.
0055 00-21
