Toro Groundsmaster 4300-D Service Manual page 382

Assembling the Rear Roller (continued)
Cutting Deck: Service and Repairs
C. Apply a small quantity of grease around the lip of both outer seals.
D. Carefully install the first outer seal into the roller tube and ensure that the
seal lip (and garter spring) faces end of the tube. Use a bearing/outer
seal tool (refer to
lightly seat seal
freely rotate after the seal installation.
E. Use the same process, install the second outer seal and ensure not to
crush the installed outer seal. Again, ensure that the shaft and bearings
still freely rotates.
Ensure that all grease is removed from the shaft threads to
prevent the loosening of the bearing locknut.
5. Clean the threads on both ends of the roller shaft.
Note: If original bearing locknut(s) are being used, apply the Loctite #242 (or
equivalent) to the threads of the locknut(s).
g195714
1. Roller tube
2. Roller shaft
3. Inner seal
6. Install the bearing locknut onto each end of the roller shaft. Ensure that the
outer seals are not damaged during the nut installation. Torque the locknut to
68 to 81 N∙m (50 to 60 ft-lb).
7. If the set screw was removed from either end of the roller shaft, apply the
Loctite #242 (or equivalent) to the threads of removed set screw and install it
into the roller shaft. Tighten the set screw until it bottoms in the shaft and is
recessed in the shaft.
When the roller assembly is installed to the cutting deck, ensure that
the grease groove in each roller mount aligns with the grease hole
in each end of the roller shaft.
Special Tools (page 7–5)) and a soft-faced hammer to
(Figure 241). Ensure that the shaft and bearings still
IMPORTANT
Figure 241
4. Bearing
5. Outer seal
6. Bearing/outer seal tool
IMPORTANT
Page 7–20 Groundsmaster ® 4300-D
16226SL Rev C