Testing The Safety Interlock System - Toro DH 220 Operator's Manual

1. KeyChoice switch
DANGER
You could back over a child or bystander
while the mower blades or other attachment
is engaged and cause serious injury or death.
• Do not mow in reverse unless it is
absolutely necessary.
• Do not insert the KeyChoice key unless it
is absolutely necessary.
• Always look backward and down before
backing up the machine.
• Use the KeyChoice switch only if you are
certain that no children or other bystanders
will enter the mowing area.
• Be very observant after deactivating the
interlock because the sound of the engine
may prevent you from noticing that a child
or bystander has entered the work area.
• Always remove both the ignition and
KeyChoice keys and put them in a safe
place out of the reach of children or
unauthorized users when you leave the
machine unattended.
1. Engage the blades (PTO).
2. Insert the KeyChoice key into the switch
11).
3. Turn the KeyChoice key.
Note:
The operating-in-reverse light on the
front console (Figure
the interlock is disabled.
Figure 11
12) turns on, indicating that
1. Operating-in-reverse light
4. Operate the machine in reverse and complete
your task.
5. Disengage the blades (PTO) to activate the
interlock.
6. Remove the KeyChoice key and put it in a safe
place out of the reach of children.
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Testing the Safety Interlock
System
CAUTION
If the safety interlock switches are
disconnected or damaged, the machine could
operate unexpectedly, causing personal
injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock
switches daily and replace any damaged
switches before operating the machine.
Test the safety interlock system before you use the
machine each time. If the safety interlock system does
not operate as described below, have an Authorized
Service Dealer repair the safety interlock system
immediately. Do not operate the machine until it has
been repaired. While sitting in the seat, perform the
following checks:
1. Set the parking brake, shift the blade control
(PTO) knob to the Engage position, and turn
the ignition key to Start: The engine should not
crank.
2. Shift the blade control (PTO) knob to the
Disengage position, release the parking brake,
and turn the ignition key to Start: The engine
should not crank.
3. Put the traction pedal in the neutral position,
set the parking brake, shift the blade control
(Figure
(PTO) knob to Disengage, and start the engine.
While the engine is running, release the parking
brake and rise slightly from the seat: The blades
should stop.
4. With the parking brake set, shift the blade
control (PTO) knob into the Disengage position,
15
Figure 12
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