Replacing The Blade - Toro 20897 Operator's Manual

1. Exposed cable
4. Push the cable jacket upward 1/8 inch (3 mm).
Note: You can place a ruler against the upper side
of the black cable mount and measure how far the
upper end of the cable jacket moves (Figure 46).
1. Cable mount
Note: Moving the cable jacket upward decreases
the ground speed; moving the jacket downward
increases the ground speed.
5. Tighten the nut firmly.
6. Start the mower and check the adjustment.
Note: If the self-propel drive is not properly
adjusted, repeat this procedure.

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.
Figure 45
Figure 46
2. Cable jacket
If the blade edge is dull or nicked, have it sharpened or
replace it.
WARNING
The blade is sharp; contacting the blade can result
in serious personal injury.
Wear gloves when servicing the blade.
1. Disconnect the spark plug wire from the spark plug.
Refer to Preparing for Maintenance.
2. Tip the mower onto its side with the air filter up.
3. Remove the 2 blade nuts and the stiffener (Figure 47).
1. Blade nuts
4. Remove the blade (Figure 47).
5. Install the new blade (Figure 47).
Important: Position the curved ends of the
blade to point toward the mower housing.
6. Install the stiffener you removed in step 3.
7. Install the blade nuts and torque them to 15 to
27 ft-lb (20 to 37 N-m).
Cleaning the Blade Stop
System Shield
Service Interval: Every 25 hours
Clean the blade stop system shield yearly to prevent the
blade from stalling while you mow.
1. Disconnect the spark plug wire from the spark plug.
Refer to Preparing for Maintenance.
2. Tip the mower onto its side with the air filter up.
3. Remove the 2 blade nuts and the stiffener (Figure 48).
19
Figure 47
2. Stiffener