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TM 9-2320-270-10
Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TRANSMISSION OIL OVERHEATS - CONTINUED
Step 3. Check procedures for proper hydraulic retarder operation.
CAUTION
Long continuous use of the hydraulic retarder will raise transmission oil
temperature and may cause damage to transmission.
a. Help slow your M911 Truck Tractor on curves and down-
grade, by using the hydraulic retarder (2). Depress retarder
pedal (2) located left of the service brake pedal to apply the
retarder. You will get best retarding effect in the lower
forward transmission gear ranges.
b. To prevent overheating transmission oil, fully release for
short periods and reapply as necessary.
c. If transmission still overheats, notify Organizational
Maintenance.
END OF PROCEDURE
3-19
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