Checking the Interlock Switches
CAUTION
If safety interlock switches are disconnected or damaged, the machine could operate
unexpectedly, resulting in minor or moderate 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.
IMPORTANT
If your machine fails any of the interlock switch checks, contact your authorized Toro
distributor.
Preparing the Machine
1. Drive the machine slowly to an open area.
2. Lower the cutting units, shut off the engine, and engage the parking brake.
Checking the Traction Pedal Start-Interlock
1. Sit in the operator’s seat and engage the parking brake.
2. Press the PTO switch to the D
ISENGAGE position.
3. Press the traction pedal and rotate the key to the S
TART position.
Note: The engine should not start with the traction pedal pressed.
Checking the PTO-Start Interlock
1. Sit in the operator’s seat.
2. Press the PTO switch to the E
NGAGE position.
3. Rotate the key to the S
TART position.
Note: The engine should not start with the PTO switch in the ENGAGE position.
Checking the PTO-Run Interlock
Note: Do not allow the cutting units to spin for more than a couple seconds during this test
to prevent unnecessary wear.
1. Sit in the operator’s seat.
2. Press the PTO switch to the D
ISENGAGE position.
3. Start the engine.
Operation: Before Operation Page 5–3 3464-478 A