OPERATING Testing Safety Systems Result: Engine must not crank. If engine cranks, there is a problem with your safety interlock circuit. Testing Seat Switch 1. Park machine safely. (See Parking Safely in the SAFETY Section.) 2. First test: a.Start engine. b.Move throttle lever up to maximum engine speed. c.Unlock park brake. d.Engage mower. e.Raise up off seat. Do not get off machine. Result: Engine and mower blades should stop. If engine and mower blades do not stop, there is a problem with your safety interlock circuit. c CAUTION: Avoid injury! Engine exhaust fumes contain carbon monoxide and can cause serious illness or death. 3. Second test: a.Lock park brake.
Do not run an engine in an enclosed area, such as a garage, even with doors or windows opened. b.Disengage mower. c.Start engine. Move the machine to an outside area before running the engine. d.Unlock park brake. The safety systems installed on your machine should be checked before each machine use. Be sure you have read the machine operator manual and are completely familiar with the operation of the machine before performing these safety system checks. e.Raise up off seat. Do not get off machine. Result: Engine should stop. If engine does not stop, there is a problem with your safety interlock circuit. Use the following checkout procedures to check for normal operation of machine. 4.
Third test: If there is a malfunction during one of these procedures, do not operate machine. See your authorized dealer for service. a.Disengage mower. b.Start engine. c.Lock park brake. Perform these tests in a clear open area. Keep bystanders away. d.Raise up off seat. Do not get off machine. Testing Park Brake Switch 1. Park machine safely. (See Parking Safely in the SAFETY section.) Result: Engine should continue to run. If engine stops, there is a problem with your safety interlock circuit. 2. Sit on seat. Using Park Brake 3. Unlock the park brake. c CAUTION: Avoid injury! Children or bystanders may attempt to move or operate an unattended machine. 4. Try to start engine. Result:
Engine must not crank. If engine cranks, there is a problem with your safety interlock circuit. Always lock the park brake and remove the key before leaving the machine unattended. Testing Park Brake Setting Park Brake 1. Park machine safely. (See Parking Safely in the SAFETY section.) 1. Press button, and raise park brake lever to lock park brake. 2. Engage bypass valve lever. 3. Lock the park brake. Releasing Park Brake 4. Try to push machine manually. 1. Press button, and lower park brake lever to unlock park brake. Result: Park brake must prevent machine from moving. If machine moves, parking brake needs to be adjusted. Testing Mower Engagement (PTO) Switch 1. Park machine safely.
(See Parking Safely in the SAFETY section.) 2. Sit on seat. 3. Lock the park brake. 4. Engage the mower. 5. Try to start engine. Operating - 13