Toro 31900A - Checking the Safety-Interlock System; Adjusting the Roll Bar

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Figure 32
Checking the
Safety-Interlock System
Service Interval : Before each use or daily
The purpose of the safety-interlock system is to
prevent the engine from cranking or starting unless
the traction pedal is in neutral and the PT O switch is in
the O FF position. In addition, the engine should stop
when the following occurs:
• The PT O switch is set to the O N position and you
are not in the seat.
• The traction pedal is pressed but you are not in
the seat.
• The traction pedal is pressed and the parking
brake is engaged.
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.
1. Move the PT O switch to O FF position and
remove your foot from traction pedal.
2. Rotate the key switch to the S TART position. If
the engine cranks, proceed to step 3 .
Note: If engine does not crank, there may be a
malfunction in the safety-interlock system.
3. With the engine running, rise from the seat and
set the PT O switch to the O N position. The
engine should shut of f within 2 seconds. If the
engine shuts of f, proceed to step 4 .
Important: If engine does not shut off,
there is a malfunction in the safety-interlock
system. Refer to your authorized T oro
distributor .
4. With the engine running and the PT O switch set
to the O FF position, raise of f the seat and press
the traction pedal. The engine should shut of f
within 2 seconds. If engine shuts of f, proceed
to step 5 .
Important: If engine does not shut off,
there is a malfunction in the safety-interlock
system. Refer to your authorized T oro
distributor .
5. Engage the parking brake. With the engine
running and the PT O switch set to the O N
position, press the traction pedal. The engine
should shut of f within 2 seconds. If engine shuts
of f, the switch is operating correctly; the interlock
system is ready for machine operation.
Important: If engine does not shut off,
there is a malfunction in the safety-interlock
system. Refer to your authorized T oro
distributor .
Adjusting the Roll Bar
W ARNING
A rollover can cause injury or death.
• Keep the roll bar in the raised locked
position.
• Use the seat belt.
37