Replacing The Blade; Cleaning The Blade-Stop System Shield - Toro 20897 Operator's Manual

Replacing the Blade

Service Interval: Yearly
Important: You will need a torque wrench to install the
blade properly . If you do not have a torque wrench or
are uncomfortable performing this procedure, contact
an Authorized Service Dealer.
Examine the blade whenever you run out of gasoline. If the
blade is damaged or cracked, replace it immediately. If the
blade edge is dull or nicked, have it sharpened and balanced,
or replace it.
WARNING
The blade is sharp; contacting the blade can result
in serious personal injury.
Wear gloves when servicing the blade.
1. Refer to Preparing for Maintenance (page
2. Tip the machine onto its side with the dipstick down.
3. Remove the 2 blade nuts and the stiffener
1. Blade nuts
2. Stiffener
3. Blade
4. Remove the blade
5. Install the new blade
Important: Position the curved ends of the blade
to point toward the mower housing.
6. Install the stiffener that you removed in step 3.
7. Install the blade nuts.
Note: Torque the blade nuts to 20 to 37 N-m (15 to
27 ft-lb).
16).
(Figure
Figure 47
4. Blade driver
5. Anti-scalp disk
6. Blade-stop system shield
(Figure 47).
(Figure 47).
Cleaning the Blade-Stop
System Shield
Service Interval: Every 25 hours
1. Disconnect the spark-plug wire from the spark plug;
refer to Preparing for Maintenance (page
2. Tip the machine onto its side with the dipstick down.
3. Remove the 2 blade nuts and the stiffener
47).
1. Blade nuts
2. Stiffener
3. Blade
4. Remove the blade
5. Remove the blade driver and the anti-scalp disk
48).
6. Remove the blade-stop system shield
7. Brush or blow out debris from the inside of the shield
and around all the parts.
8. Install the blade-stop system shield that you previously
removed.
9. Install the blade driver and anti-scalp disk that you
previously removed.
10. Install the blade and the stiffener with the 2 blade nuts
that you previously removed
11. Install the blade nuts.
Note: Torque the blade nuts to 20 to 37 N-m (15 to
27 ft-lb).
20
16).
(Figure
Figure 48
4. Blade driver
5. Anti-scalp disk
6. Blade-stop system shield
(Figure 48).
(Figure
(Figure 48).
48).
(Figure
48).