Toro 78922 Operator's Manual page 56

2
1
G012430
1. Adjustment nut
2. Jam Nut
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 90.
1. Bolts at the bottom of the height-of-cut plate
3 4
2 1
Figure 89
3. Rear deck adjustment
4. Front deck adjustment
Figure 90
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 91).
Note: Loosen or tighten the single point adjustment
bolt enough to move the height-of-cut plate
mounting bolts at least 1/3 the length of the available
travel in their slots. This will regain some up and
down adjustment on each of the four deck links.
1. Single point adjustment bolt
14. Tighten the two bolts at the bottom of the height of
cut plate (Figure 90). Torque to 27-33 ft-lb (37-45
N-m).
Note: In most conditions, the back blade tip should
be adjusted 1/4 inch (6.4 mm) 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 3 1/4 inches (8.3 cm)
(Figure 88).
16. Fine-tune the adjustment nut on the front deck lift
assembly by turning it (Figure 89).
To increase the height, turn the adjustment nut
clockwise; to decrease, turn counterclockwise.
17. Measure until all four sides are the correct height.
Tighten all the jam nuts on the deck lift arm
assemblies.
18. Lower discharge chute.
56
Figure 91