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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.
5.
Visual inspection
Air tanks pressurized.
REASON FOR QUESTION
Pressure protection valve OK.
Is air present at tailgate
If air is not present, air hose is
Air hose to port P on manual
pneumatic cylinder rear port?
faulty. If air is present, tailgate
override valve OK.
pneumatic cylinder is faulty.
Manual override valve OK.
Air hose to port P on solenoid
valve OK.
Solenoid valve OK.
NO
Air hose to front port on
tailgate pneumatic cylinder OK.
POSSIBLE PROBLEMS
Replace air hose from tailgate
Faulty air hose to rear port on
YES
pneumatic cylinder to solenoid
tailgate pneumatic cylinder.
valve port B (para 23-4).
Faulty tailgate pneumatic
cylinder.
Replace tailgate pneumatic
cylinder (para 23-9).
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
6.
Visual inspection
Air tanks pressurized.
REASON FOR QUESTION
Solenoid valve OK.
Is air present at pressure
If air is not present, pressure
Air hose to front port on
protection valve?
protection valve is faulty.
tailgate pneumatic cylinder OK.
Air hose to rear port on
tailgate pneumatic cylinder OK.
Tailgate pneumatic cylinder OK.
POSSIBLE PROBLEMS
Faulty pressure protection valve.
NO
Faulty air hose to port P on
manual override valve.
Faulty manual override valve.
Faulty air hose to port P on
solenoid valve.
Replace pressure protection
YES
valve (para 23-12)
2-1988.4
Change 1
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