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The 460 series transmission is equipped with a neutral feature that will disengage the wheel shaft from the trans-
mission. This allows the tiller to be pushed without the engine driving it. The neutral mechanism is a dog clutch that is
splined to the wheel shaft. When the neutral lever is moved to the engaged position, the dog clutch slides into the
worm gear, allowing the transmission to drive the wheel shaft. When the lever is moved to the neutral position, the
dog clutch slides out of the worm gear, allowing the wheel shaft to rotate freely.
Transmission disassembly
NOTE: The drive shaft and the wheel shaft cannot be removed from the transmission separately.
1.
Remove the transmission from the tiller by following the steps described in Chapter 5: Transmission Removal.
Transmission
Cover
Front
Figure 6.1
Oil Seal
Figure 6.2
•
Instructions on how to use this tool kit can be found in manual number 769-02093 available from MTD
Publications.
NOTE: Make certain the transmission oil seal bores are not damaged during removal.
CHAPTER 6: TRANSMISSION OVERHAUL
Fill plug
2.
Drain the transmission.
2a. Remove the four hex flange screws securing
the front transmission cover to the transmission
housing using a 1/2" wrench. See Figure 6.1.
2b. Wedge a sharp 5-in-1 painters tool or putty
knife in between the cover and the transmission
housing.
2c.
Pry the cover off.
2d. Turn the transmission over and drain the oil into
a suitable container.
2e. Allow all of the gear oil to drain from the trans-
mission.
NOTE: The front cover has a fill plug.
3.
Secure the transmission in a soft jawed vise.
4.
Clean the gasket from the front transmission housing
and cover, using a scraper.
5.
Clean the rust and dirt off of the tine and wheel
shafts.
6.
Remove the left and right tine wheel oil seals from
the transmission housing.
NOTE: Use of the Thexton seal removal tool kit #TWX-
4006 is the preferred method of removing the
seals.
For information on purchasing this tool kit contact:
Thexton Toolworx
1157 Valley Park Drive. Suite 150
Shakopee, MN 55379
800-328-6277
Transmission Overhaul
27
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