Toro 30674 Operator's Manual page 34

Note: The proper mower belt tension is 44 to 67 N-m
(10 to 15 ft-lb) with the belt deflected 13 mm (1/2 inch)
halfway between the pulleys
8. Engage the blade-control (PTO) lever.
9. Check the clearance between the bell crank and the
transmission output shaft
Figure 42
1. 2 to 3 mm (1/16 to 1/8 inch) 4. Hairpin cotter
2. Bell crank
3. Transmission output shaft
Note: The clearance should be 2 to 3 mm (1/16 to
1/8 inch).
10. Remove the hairpin cotter pin and the clevis pin from
the bell crank.
11. Rotate the clevis clockwise on the rod to increase the
clearance; rotate it counterclockwise to decrease it
(Figure 42).
12. Disengage the blade-control (PTO) lever.
Note: If the assist arm does not contact the front stop
on the mower deck (Figure 43
clevis to bring the bell crank closer to the transmission
output shaft (Figure
(Figure 45 or Figure
(Figure 42).
5. Clevis pin
6. Clevis
or Figure 44), adjust the
42).
46).
32-inch and 36-inch mower deck
1. 13 mm (1/2 inch) deflection
here
2. Assist arm
3. Front stop
1. 13 mm (1/2 inch) deflection
here
2. Assist arm
3. Front stop
13. Check the belt guide under the engine frame for the
proper adjustment
Note: The distance between the belt guide and the
mower belt should be 32 mm (1-1/4 inch) when you
engage the mower belt. Adjust the mower belt as
34
Figure 43
4. Locknut
5. Turnbuckle
Figure 44
48-inch mower deck
4. Locknut
5. Turnbuckle
(Figure 41).