Toro TimeCutter SW5050 - Page 8

TABLE OF CONTENTS
TOC-4 Toro TimeCutter SS/MX/ZS Service Manual
7 - Electrical
Chassis Switches ............................................................................................................................................7-1
Key/Ignition Switch ..........................................................................................................................................7-1
Purpose ..................................................................................................................................................... 7-1
Location ....................................................................................................................................................7-1
How It Works ............................................................................................................................................. 7-1
Testing .......................................................................................................................................................7-1
PTO Switch ...................................................................................................................................................... 7-2
Purpose ..................................................................................................................................................... 7-2
Location ....................................................................................................................................................7-2
How It Works ............................................................................................................................................. 7-2
Continuity Testing ...................................................................................................................................... 7-3
Seat Switch......................................................................................................................................................7-4
Purpose ..................................................................................................................................................... 7-4
Location ....................................................................................................................................................7-4
How It Works ............................................................................................................................................. 7-4
Testing .......................................................................................................................................................7-4
RH and LH Neutral Switch...............................................................................................................................7-5
Purpose ..................................................................................................................................................... 7-5
Location ....................................................................................................................................................7-5
How it Works .............................................................................................................................................7-5
Testing .......................................................................................................................................................7-5
Brake Actuator Module ....................................................................................................................................7-6
Purpose ..................................................................................................................................................... 7-6
Location ....................................................................................................................................................7-6
Brake Actuator Module Replacement ..............................................................................................................7-7
Brake Actuator Module Removal ..............................................................................................................7-7
Brake Actuator Module Installation ...........................................................................................................7-8
Testing and Diagnostic ....................................................................................................................................7-8
Brake Actuator Module Diagnostic Tips: ........................................................................................................ 7-10
Test: ........................................................................................................................................................7-10
Starter Solenoid & Starting System ............................................................................................................... 7-11
Purpose ...................................................................................................................................................7-11
Location ..................................................................................................................................................7-11
How It Works (solenoid only) ..................................................................................................................7-11
Starter Solenoid Testing (solenoid only)..................................................................................................7-11
Starter Solenoid Circuit & Operation .......................................................................................................7-12
Starting System Schematic ...........................................................................................................................7-13
Electric PTO Clutch .......................................................................................................................................7-14
Purpose .................................................................................................................................................. 7-14
Location ..................................................................................................................................................7-14
How It works ...........................................................................................................................................7-14
Testing .....................................................................................................................................................7-14
Coil Resistance Measurement ................................................................................................................7-14
PTO Clutch Continuity to Ground Check ................................................................................................7-15
Measuring Clutch Current Draw .............................................................................................................. 7-15
PTO Clutch Electrical Specications ....................................................................................................... 7-15
PTO Circuit & Operation .........................................................................................................................7-16
PTO Circuit Schematic ..................................................................................................................................7-17
PTO Clutch Replacement ..............................................................................................................................7-18
PTO Clutch Removal ..............................................................................................................................7-18