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8.
If the fixed idler contacts the end of the
adjustment slot and more belt tension is
required, a small change in the lengthen the push
arms can be made (Fig. 52).
9.
To lengthen, loosen jam nut and rotate ball joint
counterclockwise, one turn at a time. Adjust
each side the same amount.
3
1
Figure 52
1. Push arm
2. 15" (381 mm) nominal
10. Rotate the belt guide, on rear of the mower, so it
is 1/8"–1/4" (3–7 mm) away from the vertical
side of the PTO belt (Fig. 53).
Figure 53
1. Belt guide
2. PTO Drive belt
1
2
m–3740
3. Jam nut
4. Ball joint
2
1
m–3689
3
3. 1/8"–1/4" (3–7 mm)
Maintenance
53
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