Inspecting The Rotor Blades - Toro Power Clear 721 Operator's Manual

Important:
The control cable must contain some
slack when you disengage the control bar for the
rotor blades to stop properly.
Adjusting the Control Cable
1. Slide up the spring cover and unhook the spring
from the adjuster link
1. Adjuster link
2. Z-fitting
Note:
You can pull up the adjuster link and
cable to make unhooking the spring easier.
2. Move the Z-fitting to a higher or lower hole on
the adjuster link as needed to obtain the 2 to 3
mm (1/16 to 1/8 inch) gap between the control
bar and the handle
Note:
Moving the Z-fitting higher decreases the
gap between the control bar and the handle;
moving it lower increases the gap.
3. Hook the spring to the adjuster link and slide the
spring cover over the adjuster link.
4. Check the adjustment; refer to
Adjusting the Control Cable (page
Note:
After extended use, the drive belt may
wear and lose its proper belt tension. If the drive
belt slips (continuously squeals) under a heavy
load, disconnect the spring from the adjustor link
and move the upper end of the spring to the hole
that is further from the pivot point in the control
bar (Figure 17). Then connect the spring to the
adjustor link and adjust the control cable.
(Figure 16).
Figure 16
3. Spring cover
4. Unhook the spring here.
(Figure 15).
Checking and
11).
1. Remove the upper end of
spring from this hole.
2. Insert the upper end of
spring into this hole.
Note:
The belt may slip (squeal) in wet
conditions; to dry out the drive system, start the
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rotor and run it without a load for 30 seconds.

Inspecting the Rotor Blades

Service Interval: Every 25 hours—Inspect the rotor
Yearly—Inspect the rotor blades and have an
Authorized Service Dealer replace the rotor
blades and scraper if necessary.
Before each session, inspect the rotor blades for
wear. When a rotor-blade edge has worn down to
the wear-indicator hole, have an Authorized Service
Dealer replace the rotor blades and the scraper
(Figure 18).
12
Figure 17
3. Pivot point
4. Upper end of spring
blades and have an Authorized
Service Dealer replace the rotor
blades and scraper if necessary.
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