 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 9-2330-385-14
5. DRAWBAR WILL NOT LOWER (CONT).
2.
KNOWN INFO
TEST OPTIONS
Visual inspection.
Truck air system OK.
Are lines 2224, 2226, 2225,
Drawbar frame OK.
2231, 2232 and fittings free of
REASON FOR QUESTION
crimps or blockage?
POSSIBLE PROBLEMS
If air lines are crimped or
Air lines and fittings faulty.
blocked, air pressure will not
Air bag control valve faulty.
release from air bag.
Check valve and breather faulty.
Repair or replace air
lines and fittings (see
schematic Fig FO-2 or
NO
Para 4-47). Verify
repair, go to Step 4 of
this Fault.
YES
3.
KNOWN INFO
TEST OPTIONS
Air bag control valve
Truck air system OK.
Does air bag control valve
operation test.
Drawbar frame OK.
release air from air bag?
Air lines and fittings OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
If control valve is faulty, air
pressure will not release from
Air bag control valve faulty.
air bag.
Check valve and breather faulty.
Replace air bag
control valve
NO
Verify repair go to
Step 4 of this Fault.
YES
Replace relief valve
Verify repair, go to
Step 4 of this Fault.
4-240
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals