NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 1-34
CHAPTER 2 MAINTENANCE
1 SERVICING
AUGUST 31, 2008
11 . Carefully attach oil pan to transmission by hand with four 5/16-18
washer-head screws. Thread one screw into each corner. Do not allow
dirt or debris to enter transmission.
12 . Install the remaining 17 screws by hand, carefully threading them through
the gasket and into the transmission. Bottom all screws before tightening.
13 . Tighten all 21 washer-head screws evenly to 10-15 lb ft. Monitor gasket
NOTE: The oil pan bolts must maintain a minimum of 5 lb ft of torque after the
oil pan gasket has taken a set.
ft. Install the drain plug and o-ring. Tighten the plug to 15-20 lb ft.
the driver’s side inside frame plate near the back of the transmission.
Servicing 9.00 Qts.
Rebuild 15.00 Qts
17 . Check oil level.
Transmission Adjustment For Allison
(For C6, see 1.6.3)
The Allison AT 545 transmission combines a torque converter with a
four-speed, fully automatic unit for transmitting engine torque to the drive axle
recommended service intervals and adjusting the linkage.
Most repair facilities can perform the following adjustments: gearshift linkage,
and the neutral starting switch.
Malfunctions
Automatic transmission malfunctions may be caused by poor engine
performance or improper transmission adjustments.
and condition, and gear-shift linkage adjustment.
If the problem exists after these checks and adjustments are completed,
remove tractor from service and refer the transmission to a transmission
repair facility.
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