ENGINE START IN COLD ENVIRONMENT - continued

TM 9-2320-391-10

VEHICLE OPERATION IN COLD ENVIRONMENT

0048 00

32 F TO -25 F (0 C to -32 C) - Continued

ENGINE START IN COLD ENVIRONMENT - Continued

38. Check that WATER TEMP gage (35) reads less that 230F (110C). If WATER TEMP

gage reads in the red zone or COOLANT TEMP indicator (36) is illuminated, shut down

engine (WP 0016 00) and perform Engine System Troubleshooting.

NOTE

Perform the following two steps when windshield is clear of frost/ice and prior to

driving vehicle.

39. Position WARMUP/OFF/RETARD switch (31) to OFF.

40. Press LO IDLE/HI IDLE switch (30) to engage LO IDLE.

NOTE

If FRONT BRAKE AIR and REAR BRAKE AIR pressure gages do no 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.

41. Check that FRONT BRAKE AIR pressure gage (37) and REAR BRAKE AIR pressure gage

(38) read between 75-120 psi (517-827 kPa).

42. Check that VOLTS gage (39) reads between 26 and 30 volts.

0048 00-20