Testing The Safety Interlock System - Toro 73471 Operator's Manual

Operation
Figure 16
1. Operating–in–Reverse
warning light

Testing the Safety Interlock System

Test the safety interlock system each time before you
use the machine. Do not operate the machine if the
safety system is not functioning properly. If the
safety system does not operate as described below,
have an Authorized Service Dealer repair the safety
system immediately.
1. Fully depress the brake pedal. Pull the power
take–off (PTO) switch to ON. Now turn the
ignition key to START. The starter should not
crank.
2. Push the power take–off (PTO) switch to OFF
and release the brake pedal. Now turn the
ignition key to START; the starter should not
crank.
3. Fully depress the brake pedal and set the parking
brake. Push the PTO switch to OFF and rise
from the seat. Now turn the ignition key to
START. The starter should not crank.
4. Fully depress the brake pedal and set the parking
brake. Push the power take–off (PTO) switch to
OFF. Now start the engine. While the engine is
running, release the parking brake and rise
slightly from the seat; the engine should stop.
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5. Fully depress the brake pedal, set the parking
brake, push the PTO switch to OFF and start the
engine. Pull the PTO switch to ON. Rise
slightly from the seat; the engine should stop.
6. With the parking brake released, turn the ignition
key to RUN without starting the engine. Pull the
PTO switch to ON. You should hear an audible
click indicating the PTO is activated and the
PTO light will illuminate. Move the foot pedal
to reverse. You should hear an audible click
indicating the PTO is deactivated and the PTO
light should turn off.
7. With the parking brake released, turn the ignition
switch to RUN without starting the engine. Pull
the PTO switch to ON. Turn the "Key Choice"
key and release. The Operating–in–Reverse
warning light should illuminate. Move the foot
pedal to reverse. The PTO and PTO light on the
dash should remain on. Push the PTO switch to
OFF. The PTO light and the
Operating–in–Reverse warning light should turn
off.