Toro 3550-D Lawn Mower User Manual


 
Reelmaster 3550−D Page 5 − 1 Electrical System
Chapter 5
Electrical System
Table of Contents
GENERAL INFORMATION 2.....................
Operator’s Manual 2..........................
Toro Electronic Controllers (TEC) 2.............
CAN−bus Communications 2...................
ELECTRICAL SCHEMATIC 3....................
SPECIAL TOOLS 4.............................
TROUBLESHOOTING 6.........................
Diagnostic Light 6.............................
Diagnostic Display 9..........................
Starting Problems 14..........................
General Run and Transport Problems 16.........
Cutting Unit Operating Problems 17.............
ELECTRICAL SYSTEM QUICK CHECKS 18.......
Battery Test (Open Circuit) 18..................
Charging System Test 18......................
Glow Plug System Test 18.....................
Check Operation of Interlock Switches 19........
COMPONENT TESTING 20......................
Ignition Switch 20.............................
Main Power Relay 21..........................
Fuses 22....................................
Fusible Links 23..............................
Toro Electronic Controller (TEC) 24.............
TEC Inputs
Parking Brake Switch 26.....................
Neutral Switch 27............................
Lower/Raise Joystick Switches 28.............
Reel Enable/Disable Switch 29................
Mow/Transport Switch 30.....................
Seat Switch 31..............................
Backlap Switch 32...........................
Engine Temperature Sender 33...............
TEC Outputs
Start Relay 35...............................
Fuel Stop Solenoid 37.......................
Fuel Pump 38...............................
Glow Relay 39..............................
Hydraulic Solenoid Valve Coils 41.............
Indicator Lights 43...........................
CAN−bus Termination Resistors 44.............
Hour Meter 44................................
Oil Pressure Switch 45........................
Worklight Switch 46...........................
SERVICE AND REPAIRS 47.....................
Battery Storage 47............................
Battery Care 47...............................
Battery Service 48............................
Cartridge Valve Coil Replacement 51............
Worklight Bulb Replacement 52.................
Electrical
System