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 TM 9-2320-285-24-1
2-67.
WINDSHIELD WIPER AND WASHER TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
WIPER DOESN'T MOVE (Cont)
Step 4.
Install replacement wiper motor assembly (para 2-69b(2)).
Turn wiper switch to run position.
a.
If wiper motor operates, no further action required.
b.
If wiper motor does not operate, go to step 5 below.
Step 5.
Install replacement wiper switch (para 2-69b(1)).
Turn wiper switch to run position.
a.
If wiper moves, no further action required.
b.
If wiper does not move, troubleshoot air system (para 2-48).
2-68.
HEATERS TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
CAB DRAFTY
Step 1.
Check if fresh air control is pushed in fully.
a.
If fresh air control is not pushed in fully, push in fully to
close heater fresh air door (prevents outside air from entering
cab).
b.
If fresh air control is pushed in fully, go to step 2 below.
Step 2.
Check if fresh air door is fully closed.
a.
If fresh air door is open, go to Malfunction 2 below.
b.
If fresh air door is fully closed, notify direct support maintenance.
2.
FRESH AIR DOOR WILL NOT OPEN OR CLOSE
Step 1.
Check fresh air door for obstructions.
a.
If obstructions are found, remove.
b.
If obstructions are not found, go to step 2 below.
2-762
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