ENGINE START - Continued - TM-9-2320-391-100237

TM 9-2320-391-10

VEHICLE OPERATION USUAL CONDITIONS

0017 00

(VEHICLE S/N 18,550 TO 99,999) - Continued

ENGINE START - Continued

WARNING

Do not drive vehicle until windshield is sufficiently clear of frost/ice. Failure

to comply may result in severe injury or death to personnel.

Operate windshield defrost (WP 0022 00) as required.

Operate cab heat (WP 0022 00) as required.

NOTE

If FRONT BRAKE AIR and REAR BRAKE AIR pressure gages do not read

between 75-120 psi (517-827 kPa) after engine warms up, shut down engine

(WP 0017 00) and perform Air System Troubleshooting (WP 0074 00).

LOW FRONT AIR and LOW REAR AIR indicators will illuminate (red) and

audible alarm will sound until air pressure is between 75-85 psi (517-827

kPa).

8. Check that FRONT BRAKE AIR pressure gage (7) and REAR BRAKE AIR pressure gage

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

9. Check that VOLTS gage (9) reads between 26 and 30 volts.

10.Press momentary 12V BAT switch (10). Check that VOLTS gage (9) reads between

12 and 14 volts.

0017 00-5