Toro Z Master 75990 Operator's Manual page 62

Note:
To increase the height, turn the adjuster
screw clockwise; to decrease the height, turn it
counterclockwise.
1. Flanged locknut
2. Adjuster screw
11. If the front-deck links do not have enough
adjustment to achieve accurate cut height, the
single point adjustment can be utilized to gain
more adjustment.
12. To adjust the single-point system, loosen the
two bolts at the bottom of the height-of-cut plate.
Refer to Figure 92.
1. Bolts at the bottom of the height-of-cut plate
13. If the deck is too low, tighten the single point
adjustment bolt by rotating it clockwise. If
the deck is too high, loosen the single point
adjustment bolt by rotating it counterclockwise
(Figure 93).
Note:
Loosen or tighten the single point
adjustment bolt enough to move the
height-of-cut plate mounting bolts at least 1/3
Figure 91
3. Jam nut
4. Yoke
Figure 92
the length of the available travel in their slots.
This will regain some up-and-down adjustment
on each of the 4 deck links.
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1. Single point adjustment bolt
14. Tighten the 2 bolts at the bottom of the
height-of-cut plate
37 to 45 N-m (27 to 33 ft-lb).
Note:
In most conditions, the back blade tip
should be adjusted 6.4 mm (1/4 inch) higher
than the front.
15. On both sides of the deck, measure from the
level surface to the back tip of the blade (Postion
B). The measurement should read 8.3 cm (3-1/4
inches); refer to
16. Fine-tune the adjuster screw by turning it to get
8.3 mm (3-1/4 inches) height
To increase the height, turn the adjustment nut
clockwise; to decrease the height, turn the nut
counterclockwise.
17. Measure until all 4 sides are the correct height.
Tighten all the jam nuts on the deck-lift arm
assemblies.
18. Lower the discharge chute.
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62
Figure 93
(Figure 92). Torque them to
Figure 90.
(Figure 91).
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