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Page Title:
M1090/M1094 TAILGATE RELEASE DOES NOT OPERATE (cont) |
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 TM 9-2320-366-20-2
j8. M1090/M1094 TAILGATE RELEASE DOES NOT OPERATE
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
3.
Visual inspection
Air tanks pressurized.
REASON FOR QUESTION
Pressure protection valve OK.
Is air present at solenoid
Air hose to port P on manual
This question eliminates
valve port B?
override valve OK.
possible problems and
Manual override valve OK.
determines where
Air hose to port P on solenoid
troubleshooting continues.
valve OK.
POSSIBLE PROBLEMS
Faulty solenoid valve.
NO
Faulty air hose to front port on
tailgate pneumatic cylinder.
Faulty air hose to rear port on
tailgate pneumatic cylinder.
Perform Electrical System
Faulty tailgate pneumatic
YES
Troubleshooting (e142. M1090/M1094
cylinder.
Tailgate Release Does Not Operate).
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
4.
Visual inspection
Air tanks pressurized.
REASON FOR QUESTION
Is air present at tailgate
Pressure protection valve OK.
pneumatic cylinder
If air is not present, air hose
Air hose to port P on manual
front port?
is faulty.
override valve OK.
Manual override valve OK.
Air hose to port P on solenoid
valve OK.
Solenoid valve OK.
POSSIBLE PROBLEMS
NO
Faulty air hose to front port on
tailgate pneumatic cylinder.
Faulty air hose to rear port on
tailgate pneumatic cylinder.
Faulty tailgate pneumatic
Replace air hose from
cylinder.
tailgate pneumatic cylinder
YES
front port to solenoid valve
port A (para 23-4).
2-1988.2
Change 1
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