Toro 74241 Operator's Manual page 47

4
2
m–3748
1
Figure 51
1. Clutch
2. Clutch retaining strap
3. Clutch terminal
5
4
m–4311
Figure 52
1. Clutch pulley
2. PTO drive belt
3. Drive belt idler pulley
8. Check belt tension. The center bolt of spring loaded
idler must be between the two alignment holes in left
support plate (Fig 53).
5
3
4. PTO belt
5. Machine frame
1
2
3
4. Idler bracket assembly
5. Spacer, bolt, nut and
washer (remove)
1
Figure 53
1. Center bolt, spring loaded
idler
9. If adjustment is required, loosen the fixed idler on
right support plate and move up or down in adjustment
slot (Fig. 54). To relieve belt tension lift up on spring
loaded idler.
1
Figure 54
1. Fixed Idler
10. Check belt tension again. The center bolt of spring
loaded idler must be between the two alignment holes
in left support plate (Fig. 53). Adjust, if necessary, and
tighten all hardware securely.
11. 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. 55).
12. To adjust push arms, loosen jam nut and rotate ball
joint counterclockwise, one turn at a time. Adjust each
side the same amount (Fig. 55).
Note: Increase belt tension by lengthening the push arms
and decrease belt tension by shortening push arms.
Important
If the push arm lengths are changed, then
the mower deck must be re-leveled. See Mower Leveling
on page 45.
47
2
m–3744
2. Alignment hole
2
m–3746
2. Adjustment slot