Toro 74161 Service Manual page 63

MOWER DECKS
5. Install clutch retaining strap and plug clutch
terminal into main wire harness (Figure 111).
6. Check belt tension. The center bolt of spring
loaded idler must be between the two alignment
holes (A) in left support plate (Figure 114).
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 (Figure 114).
A
A
Figure 114
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.
Figure 115
6 - 2
8. Check belt tension again. The center bolt of spring
loaded idler must be between the two alignment
holes in left support plate (Figure 114). Adjust, if
necessary, and tighten all hardware securely.
9. If the fixed idler contacts the end of the adjustment
slot and more belt tension is required, a small
change to lengthen the push arms can be made
(Figure 116).
10. To lengthen, loosen jam nut and rotate ball joint
counterclockwise, one turn at a time. Adjust each
side the same amount.
1228-003
11. Rotate the belt guide, on rear of the mower, so it is
1/8 - 1/4 in. (3 - 7mm) away from the vertical side
of the PTO belt (Figure 117).
1228-002
Figure 116
Figure 117
Mid-Mount Z Service Manual
1228-006
1228-001