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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 51).
1
Figure 51
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 52
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 51).
Adjust, if necessary, and tighten all hardware
securely.
58
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. 53).
10. To adjust push arms, loosen jam nut and rotate
ball joint counterclockwise, one turn at a time.
Adjust each side the same amount (Fig. 53).
Note:
Increase tension by lengthening the
push arms and decrease tension by
shortening push arms.
3
1
Figure 53
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. 54).
3
Figure 54
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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