Adjusting The Self-Propel Drive Cable; Cleaning Under The Belt Cover; Adjusting The Throttle - Toro 20487 Operator's Manual

2. Torque the blade nuts to 15 to 27 ft-lb (20 to 37 N m).
WARNING
POTENTIAL HAZARD
Operating the lawn mower without the
accelerator in place could cause the blade to
flex, bend, or break.
WHAT CAN HAPPEN
A broken blade could cause serious injury or
death to the operator or bystanders.
HOW TO AVOID THE HAZARD
Do not operate the lawn mower without the
accelerator.
Adjusting the Self-propel Drive
Cable
If the lawn mower does not self-propel or has a tendency
to creep forward when traction is disengaged, adjust the
wheel drive control knob on the rear of the gear box
(Fig. 28).
Figure 28
1. Knob
1. Rotate the control knob clockwise 1/2 turn if the lawn
mower does not self-propel. If the lawn mower creeps
forward, rotate the knob 1/2 turn counterclockwise to
loosen the belt.
2. Adjustment is correct when (1) the lawn mower does
not creep forward when you disengage the traction and
(2) the control bar is at a comfortable operating
distance from the handle for the operator's hand when
disengaging and engaging the self-propel drive.
Note: Do not overadjust the cable. The cable should be
just tight enough to make the wheels turn when the control
bar is at a distance from the handle that is comfortable for
operator's hand (about a one-inch gap). Overadjusting the
cable may require excessive operator effort to engage or
disengage self-propel drive.
If you need help, contact your Authorized Service Dealer.

Cleaning under the Belt Cover

Keep the area under the belt cover free of debris.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 8).
3. Remove the bolts that secure the belt cover to the lawn
mower housing (Fig. 29).
1. Belt cover
4. Lift off the cover and brush out all debris from the belt
area.
489
5. Install the belt cover.

Adjusting the Throttle

You may need to adjust the throttle control if the engine
does not start or stop properly. Whenever you install a
new throttle control cable, adjust the throttle.
1. Stop engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 8).
3. Loosen the cable clamp screw until the throttle cable
slides (Fig. 30).
22
2
1
281
Figure 29
2. Bolt