TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
j. AIR SYSTEM (CONT)
j4d.
M1088 TRAILER HANDBRAKE CONTROL DOES NOT OPERATE (CONT).
If air is not present, perform Air Troubleshooting j4C. No Air Pressure Present at M1088 Rear
and/or Fifth Wheel Service Gladhand(s).
Step 2. Inspect air hoses for kinks, damages, and leaks.
(a)
Inspect air hose from trailer handbrake control to park control two-way check valve.
(b)
Inspect air hose from trailer handbrake to personnel heater grommet.
(c)
Inspect air hose from trailer handbrake to cab floor fitting.
(d)
Inspect air hose from cab floor fitting to air brake protecting valve.
If any air hose is kinked, damaged, or leaking; notify Unit Maintenance.
Step 3. If M1088 trailer handbrake still does not operate, notify Unit Maintenance.
AIR SYSTEM PRESSURE BUILDS UP MORE THAN 120 PSI (827 KPA) (COMPRESSOR
FAILS TO UNLOAD).
Notify Unit Maintenance.
NOISY AIR COMPRESSOR OPERATION.
Notify Unit Maintenance.
M1088 REAR GLADHAND(S) LEAKS OR DOES NOT OPERATE.
Notify Unit Maintenance.
M1090/M1094 TAILGATE RELEASE DOES NOT OPERATE.
Notify Unit Maintenance.
TIRES WEAR UNEVENLY OR EXCESSIVELY.
Check tire pressures with tire gage for each CTIS setting.
(a)
Notify Unit Maintenance if tire pressures do not match those given below:
ALL MODELS EXCEPT M1088 AND M1089
MODELS M1088 AND M1089
HWY Mode
60 psi (414 kPa)
HWY Mode
81 psi (558 kPa)
X-C Mode
37 psi (255 kPa)
X-C Mode
54 psi (372 kPa)
SAND Mode
22 psi (152 kPa)
SAND Mode
32 psi (221 kPa)
EMER Mode
16 psi (110 kPa)
EMER Mode
24 psi (165 kPa)
(b)
If tires still wear unevenly or excessively, notify Unit Maintenance.
Change 1
