NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M100 Tow Tractor Manual No. 46052
PAGE 38
CHAPTER 2 MAINTENANCE
Transmission Adjustment For Allison
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.
NOTICE! If you ever notice unusual noises such as gear noise or grinding,
a buzz or whine, knocks, scraping, clicking, etc., remove the tractor from
service and refer it to a transmission repair facility.
Gearshift Linkage
The shift linkage adjustment is done to make sure that when the gearshift
control lever is in a certain drive range, the operator’s shift lever is actually in
that exact position.
The original setting can be altered by wear, loosening of locknuts, and
deterioration of engine mounts. If the engine mounts are damaged, replace
the mounts before attempting any other maintenance.
1. Inspect all shift linkage components and replace any that are worn or
damaged. Clean any grease, dirt, or rust from linkage to ensure smooth
movement.
2. Disconnect shift cable from shift lever on transmission.
3. Place operator’s shift lever in REVERSE position.
4. Move shift control lever (on transmission) to rearmost position (R) detent.
APRIL 15, 2012
1 SERVICING
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