Toro 70089 Operator's Manual page 24

Operation
4. Sit on the seat, move gear shift into neutral, deck
engagement lever into DISENGAGE and ensure
parking brake is engaged. Rotate ignition key to
START. Engine should start and continue to run.
Then engage deck engagement lever and
carefully raise off the seat: the engine should
stop. If the engine does not stop running, shut
the engine off and have interlock system repaired
by an Authorized TORO Service Dealer. If the
engine shuts off when you raise off the seat, the
interlock system is functioning correctly and the
rider can be operated safely.
5. Put the PTO lever in the "disengage" position
and the gear shifter in neutral. Now start the
engine. While the engine is running, move the
PTO lever to the "engage" position, push in the
clutch and put the gear shifter in reverse. The
engine should stop.
6. Put the PTO lever in the "disengage" position
and the gear shifter in neutral. Now start the
engine. Move the PTO lever to the "engage"
position and turn the "Key Choice" key and
release. The "Key Choice" warning light should
illuminate. Move the PTO lever to the
"disengage" position and the "Key Choice"
warning light should turn off.
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