TM 9-2320-386-24-1-1
0013 00
0013 00-1/2 blank
UNIT TROUBLESHOOTING PROCEDURES
EXTENDED SERVICE PROGRAM (ESP)
TRUCK, CARGO, 2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)
COMPRESSED AIR AND BRAKE SYSTEM TROUBLESHOOTING SYMPTOM INDEX
1.
No air pressure, or compressed air reads below 60 psi (414 kPa)
(low air pressure warning buzzer sounding, indicating air pressure
not building up to normal operating range as indicated by gauge) .
....
0014 00-1
2.
Air pressure does not build up to normal operating pressure
(above 90 psi [621 kPa]) according to gauge.
.....................
0014 00-2
3.
Air pressure exceeds maximum (gauge reads over 120 psi [827 kPa])
and safety valve opens to release pressure
.......................
0014 00-2
4.
Low or no reading on air pressure gauge, and warning buzzer shuts off .
0014 00-3
5.
Warning buzzer fails to sound on low pressure (below 60 psi [414 kPa]) .
0014 00-3
6.
Front wheel drive does not engage (front wheel drive lock-in
switch engaged).
.........................................
0014 00-3
7.
Air horn does not work
.....................................
0014 00-4
8.
Air leaking from air dryer purge valve, or continuous purge cycle.
.....
0014 00-4
9.
Water present when draining air reservoirs .
....................
0014 00-4
MALFUNCTION
NO.
MALFUNCTION
TROUBLESHOOTING
WP-PAGE
END OF WORK PACKAGE