SERVICE
TCS (Tractor Control System) Explanation The tractor control system controls the electronic safety related functions of this power unit. Both solid state and mechanical components are used to ensure the safe, reliable operation of this machine. This TCS monitors the electronic circuits necessary for the engine, the starter, and the PTO to function. These input circuits include the PTO switch, the neutral switch, the parking brake switch, the ignition switch, and the seat switch. The TCS allows the engine, the starter, or the PTO to operate only when specific input criteria are satisfied. The engine, the starter, and the PTO are controlled by outputs from the TCS. Replacing Fuses (Power Relay Module) 1. Turn the battery disconnect switch to the Off position. 2. Tilt the seat forward and fasten in place with the seat prop. A 3. Remove the
Replacing Fuses (Front Fuse Panel) 1. Turn the battery disconnect switch to the Off position. 2. Remove the sealed cover (A) from the fuse panel.
A
3.
Identify and remove the defective fuse from the socket. Refer to the Quick Reference decal under the hood for fuse locations.
4. Insert a new fuse into the socket. Be sure the fuse is the correct amperage or damage may occur to the power unit. 5. Reinstall the sealed cover onto the fuse panel. 6. Turn the battery disconnect switch to the On position.
sealed fuse cap from the power relay module. remove the de- fective fuse from the socket.
B
4. Identify and
Power Relay Module (J-Case Fuse)
Position Top (A)
Fuse
Circuit
50 amp Key Switch, TCS
Bottom (B) 50 amp Rear Fuse Panel Supply 5. Insert a new fuse into the socket. Be sure the fuse is the correct amperage or damage may occur to the power unit. 6. Reinstall the sealed fuse cap and lower the seat back down to the operating position. 7. Turn the battery disconnect switch to the On position.
Service - 57
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