Toro 72200 Operator's Manual

17Understanding the Safety InterlockSystemThe safety interlock system is designed to prevent theengine from starting unless:• You are sitting on the seat.• The brake pedal is depressed.• The power take off (PTO) is off.• The hydro control pedal is in the neutral position.The safety interlock system is designed to stop the engineif:• You rise from the seat when the brake pedal is released• You rise from the seat when the power take off (PTO)is on.The safety interlock system is designed to stop the powertake off (PTO) if:• You shift into reverse with the power take off (PTO)engaged.Testing the Safety Interlock SystemTest the safety interlock system before you use themachine each time. If the safety system does not operateas described below, have an Authorized Service Dealerrepair the safety system immediately.1. Set the parking brake. Move the power take off (PTO)to the On position. Now turn the ignition key to startwhile sitting on the seat; the engine should not crank.2. Push the power take off (PTO) to the off position andrelease the parking brake. Now turn the ignition key tothe Start position while sitting on the seat; the engineshould not crank.3. Set the parking brake and move the power take off(PTO) to the Off position. Rise from the seat and turnthe ignition key to the Start position; the engineshould not crank.4. Set the parking brake and move the power take off(PTO) to the Off position. While sitting in the seat,start the engine. While the engine is running, releasethe parking brake and rise slightly from the seat; theengine should stop.5. Set the parking brake and move the power take off(PTO) to the Off position. While sitting in the seat,start the engine. While the engine is running, move thepower take off (PTO) to the On position and riseslightly from the seat; the engine should stop.6. With the parking brake released, turn the ignition keyto the RUN run position without starting the engine.Pull the PTO switch to on. You should hear an audibleclick indicating the PTO is activated and the PTO lightwill illuminate. Move the foot pedal to reverse. Youshould hear an audible click indicating the PTO isdeactivated and the PTO light should turn off.7. With the parking brake released, turn the ignitionswitch to RUN without starting the engine. Pull thePTO switch to on. Turn the KeyChoice key andrelease. The Operating-in-Reverse warning lightshould illuminate. Move the foot pedal to reverse. ThePTO and PTO light on the dash should remain on.Push the PTO switch to off. The PTO light and theOperating-in-Reverse warning light should turn off.Setting the KeyChoice Switch toOperate in ReverseAn interlock feature on the tractor prevents the power takeoff (PTO) from operating when backing up. If you shiftinto reverse with the PTO engaged (i.e., with mowerblades or other attachment running), the PTO willdisengage. Do not mow in reverse unless absolutelynecessary.If you need to use the PTO while backing up, you can turnoff this interlock feature using the KeyChoice switchlocated near the seat bracket (Fig. 6).DangerYou could back over a child or bystander whilethe mower blade(s) or other attachment isengaged and cause serious injury or death.• Do not mow in reverse unless absolutelynecessary.• Do not insert the KeyChoice key unless it isabsolutely necessary.• Always look backward and down beforebacking up.• Use the KeyChoice switch only if you arecertain no children or other bystanders willenter the mowing area.• Be very observant after deactivating theinterlock because the sound of the engine mayprevent you from noticing that a child orbystander has entered the work area.• Always remove both the ignition andKeyChoice keys and put them in a safe placeout of the reach of children or unauthorizedusers when leaving the unit unattended.1. Engage the PTO.