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Maintenance
Note:
Check position of center bolt in Low
Height of Cut. The center bolt must be
at or below the top alignment hole.
Check position of center bolt in a High
Height of Cut. The center bolt must be
at or above the lower adjustment hole
(Fig 48).
1
Figure 48
1. Center bolt, spring loaded
idler
7.
If adjustment is required, loosen the fixed idler
on right support plate and move up or down in
adjustment slot. To relieve belt tension lift up on
spring loaded idler.
1
Figure 49
1. Fixed Idler
8.
Check belt tension again. The center bolt of
spring loaded idler must be between the two
alignment holes in left support plate (Fig 48).
Adjust, if necessary, and tighten all hardware
securely.
54
2
2. Alignment hole
2
m–3746
2. Adjustment slot
9.
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. 50).
10. To lengthen, loosen jam nut and rotate ball joint
counterclockwise, one turn at a time. Adjust
each side the same amount.
3
1
Figure 50
1. Push arm
2. 15" (381 mm) nominal
11. 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. 51).
3
Figure 51
1. Belt guide
2. PTO Drive belt
1
2
m–3740
3. Jam nut
4. Ball joint
1
2
3. 1/8"–1/4" (3–7 mm)
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