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Cutting Unit Maintenance
Leveling the Rear Drum to the
Reel
1. Position the machine on a flat, level surface,
preferably a precision steel work plate.
2. Place a 1/4 x 1 inch (0.6 x 2.5 cm) flat steel strip,
approximately 29 inches (73.6 cm) long, under the
reel blades and against the front edge of the bedknife
to prevent the bedbar from resting on the work
surface.
3. Raise the front roller so only the rear drum and reel
are on the surface.
4. Firmly press down on the machine above the reel so
all reel blades contact the steel strip.
5. While pressing down on the reel, slide a feeler gauge
under one end of the drum, then check the other
end of the drum.
If there is a gap between the drum and the work
surface, greater than 0.010 inch (.025 cm), on either
end, adjust the drum (proceed to step 6). If the gap
is less than 0.010 inch (.025 cm) no adjustment is
required.
6. Remove the rear belt cover from the right side of
the machine (Figure 33).
Figure 33
1. Traction drive belt cover
7. Rotate the drive pulley until the holes align with the
4 roller bearing flange screws (Figure 34).
1. Drive pulley
2. 4 holes
8. Loosen the 4 roller bearing screws and the screw
securing the idler pulley.
9. Raise or lower the right side of the roller assembly
until the gap is less than 0.010 inch (.025 cm).
10. Tighten the roller bearing screws.
11. Adjust the belt tension and tighten the idler pulley
mounting screw (Figure 34).
Adjusting the Bedknife to the
Reel
The bedknife to reel adjustment is accomplished by
loosening or tightening the bedbar adjusting screws,
located on top of the mower.
1. Position the machine on a flat, level work surface.
2. Ensure that the reel contact is removed by turning
the bedbar adjusting screws counterclockwise
(Figure 35 ).
1. Bedbar adjusting screw
3. Tilt the mower back on the handle to expose the
bedknife and reel.
4. On one end of the front side of the reel, insert a long
strip of newspaper between the reel and bedknife
(Figure 36). While slowly rotating the reel forward,
27
Figure 34
3. Idler Pulley
Figure 35
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