Toro 74790 Operator's Manual page 20

Testing the Safety-Interlock
System
1. Sit in the seat with the engine off and ensure
that the PTO switch is in the
2. Turn the ignition key to the
starter should crank. Do not start the engine or
turn the engine off prior to step 3.
3. Turn the key to the
SmartPark switch to the
should disengage and the brake light should
turn off.
4. With the brake disengaged and traction pedal
in the position, turn the ignition switch
NEUTRAL
to the position. The brake should
START
automatically engage, the engine should crank,
and the brake light will turn on.
5. With the engine off and the key in the
position, engage the PTO by pulling up the
blade-control switch, you should hear the clutch
engage.
6. Ensure that the traction pedal is in neutral and
turn the ignition switch to the
PTO should disengage and the engine should
crank and start without the blades moving.
7. With the engine running, rise from the seat. The
engine should remain running and the brake
light will be on.
8. Return to the seat and disengage the parking
brake by pushing the SmartPark switch to the
position. The engine should continue to run.
OFF
9. Rise from the seat again. The brake should
automatically engage and the engine will
continue to run.
10. Return to the seat and engage the blades by
pulling up on the blade-control switch.
11. Rise from the seat. The blades should
disengage and the engine will continue to run.
12. Return to the seat and pull up the blade-control
switch. The blades should engage. Disengage
the blades by pushing down the blade-control
switch.
13. Pull up the blade-control switch to engage the
blades. Move the traction pedal to the
position. The blades should disengage. Move
the traction pedal to the
14. Pull up the blade-control switch to engage the
blades. Turn the Key Choice switch to the
position and release it. The operating-in-reverse
light should illuminate.
15. Move the traction pedal to the
The blades should remain engaged. Push the
position.
OFF
position; the
START
position and push the
ON
position. The brake
OFF
ON
position. The
START
REVERSE
position.
NEUTRAL
position.
REVERSE
blade-control switch in to disengage the blades.
The operating-in-reverse light should turn off.
Move the traction pedal to the
16. If not engaged, push the SmarkPark switch to
the position and lightly tap the traction pedal
ON
in the either the
The brake should disengage and the brake light
should turn off.
Note:
Tap the pedal, do not fully engage the
pedal as that causes the brake system to bind
and not release.
17. With the brake released, engage the traction
pedal slightly and rise from the seat. The engine
should shut off.
18. Return to the seat and turn the ignition key to the
position. After several seconds, the brake
OFF
system should engage.
Note:
With the key in the
brake light will not illuminate.
ON
20
NEUTRAL
or position.
FORWARD REVERSE
position, the
OFF
position.