Toro 04861, Service Manual

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Chapter 5
Electrical System
Table of Contents
General Information .............................................................................................................................. 5–2
Operator's Manual.............................................................................................................................. 5–2
Electrical Schematics and Diagrams.................................................................................................. 5–2
Disconnecting and Connecting the Lithium Battery Pack ................................................................... 5–3
Electrical System Operation .................................................................................................................. 5–4
Battery Charging ................................................................................................................................ 5–4
Start Process ..................................................................................................................................... 5–4
Run Process ...................................................................................................................................... 5–5
CAN-bus Communications................................................................................................................. 5–6
Toro Electronic Controller (TEC) ........................................................................................................ 5–7
Lithium-Ion Battery Controller (BMS) ................................................................................................. 5–8
InfoCenter Display ........................................................................................................................... 5–10
Adjustments......................................................................................................................................... 5–20
Traction Bail Proximity Sensor ......................................................................................................... 5–20
Testing the Electrical Components....................................................................................................... 5–21
Fuses ............................................................................................................................................... 5–22
CAN bus........................................................................................................................................... 5–24
Toro Electronic Controller (TEC) ...................................................................................................... 5–26
Lithium-Ion Battery Controller (BMS) ............................................................................................... 5–28
Electric Motor ................................................................................................................................... 5–30
Key Switch ....................................................................................................................................... 5–31
Throttle Potentiometer and Clutch Bail Potentiometer...................................................................... 5–33
Main Contactor................................................................................................................................. 5–36
CAN-bus Terminator Resistor .......................................................................................................... 5–38
Relay................................................................................................................................................ 5–39
Service and Repairs ........................................................................................................................... 5–41
Electric Motor ................................................................................................................................... 5–41
Servicing the Electric Motor ............................................................................................................. 5–43
Lithium-Ion Battery Controller (BMS) ............................................................................................... 5–46
Lithium-Ion Battery Pack .................................................................................................................. 5–49
Greensmaster ® eFlex 1021 Page 5–1 Electrical System
20248SL Rev C