Adjusting The Blade Brake - Toro 39678 Operator's Manual

Note:
If the blade is not balanced, file some
metal off the end of the sail area only
Figure 53
1. Blade
3. Repeat this procedure until the blade is
balanced.
Installing the Blades
1. Install the curved washer and then the blade
onto the bolt. Select the proper number of
spacer(s) for the height of cut, and slide the bolt
into the spindle (Figure
Important:
The curved part of the blade
must point upward toward the inside of the
mower to ensure proper cutting.
2. Install the remaining spacer(s) and secure them
with a thin washer and a nut
3. Torque the blade bolt to 101 to 108 N∙m (75 to
80 ft-lb).
(Figure 52).
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2. Balancer
51).
(Figure 51).

Adjusting the Blade Brake

1. Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
2. Shut off the engine, remove the key, and
disconnect the spark-plug wires from the spark
plugs.
3. If necessary, adjust the spring-mounting bolts so
that the blade-brake pad rubs against both sides
of the pulley groove
4. Adjust the nut at the end of the blade brake rod
until there is 3 mm to 5 mm (1/8 to 3/16 inch)
between the nut and spacer
5. Engage the blades.
Note:
Ensure that the blade-brake pad no
longer contacts the pulley groove.
1. Spring-mounting bolts
2. Blade-brake pad
42
(Figure 54).
(Figure 54).
Figure 54
3. 3 mm to 5 mm (1/8 to
3/16 inch)
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