NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 5-37
CHAPTER 5 MANUFACTURER’S INFORMATION
C-6 TRANSMISSION SERVICE
Fluid Level and Condition
1. Bring transmission to normal operating temperature (about 180°OF). Five minutes
of driving, including frequent stops and starts, will usually produce normal uid
temperature.
2. Set gear selector to neutral (N) and withdraw transmission dipstick to check oil level.
Always check oil level with unit on a level surface and WITH FLUID AT
NORMAL OPERATING TEMPERATURE. DO NOT OVERFILL TRANSMISSION.
Overlling can result in transmission damage. It is easy to overll the transmission. To
avoid overlling, add oil in small amounts and recheck level frequently.
3. Withdraw dipstick and examine uid for discoloration and a foul (burned) smell. This
would indicate damaged bands or clutches. If oil has a milky look, water has entered
the transmission. Air bubbles mean there is an air leak in the suction lines. Report
any of these conditions to your supervisor.
4. Check level indicated on dipstick. Add uid as needed to maintain level between
“FULL” and “ADD 1 PINT” marks on the dipstick. Use type Dexron R2.
JANUARY 31, 2008
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