ENGINE START - continued - TM-9-2320-391-100511

TM 9-2320-391-10

VEHICLE OPERATION UNUSUAL CONDITIONS

0046 00

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

ENGINE START - Continued

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 0046 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.

0046 00-5