Chapter 8
Electrical System
Table of Contents
ELECTRICAL SCHEMATICS . . . . . . . . . . . . . . . . . . . . 2
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ELECTRICAL SYSTEM QUICK CHECKS . . . . . . . . . 5
Battery Test (Open Circuit Test) . . . . . . . . . . . . . . . . 5
Charging System Test . . . . . . . . . . . . . . . . . . . . . . . . 5
Verify Interlock System Operation . . . . . . . . . . . . . . 6
COMPONENT TESTING . . . . . . . . . . . . . . . . . . . . . . . . 7
Ignition Key Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Clutch Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Brake Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Transaxle Lockout Switches . . . . . . . . . . . . . . . . . . . 9
3rd–High Lockout Key Switch . . . . . . . . . . . . . . . . . . 9
Start (Briggs/Daihatsu Gas and Diesel Engine)
Start Relay (Kohler Engine) . . . . . . . . . . . . . . . . . . 11
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Indicator Lights and Gauges . . . . . . . . . . . . . . . . . . 12
High Temperature Shutdown Switch (Briggs/
Daihatsu Gas and Diesel Engine) . . . . . . . . . . . 13
Fuel Gauge Sender . . . . . . . . . . . . . . . . . . . . . . . . . 14
Headlight Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Glow Plug Switch (Briggs/Daihatsu Diesel
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Diodes (Briggs/Daihatsu Gas and Diesel
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Diode Assembly (Kohler Engine) . . . . . . . . . . . . . . 16
Rear PTO Switch (Optional) . . . . . . . . . . . . . . . . . . 16
SERVICE AND REPAIRS . . . . . . . . . . . . . . . . . . . . . . 17
Battery Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Headlamp Replacement . . . . . . . . . . . . . . . . . . . . . 20
Tail Lamp Replacement . . . . . . . . . . . . . . . . . . . . . . 20
and Fuel Pump (Briggs/Daihatsu Gas
Engine) Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Glow Relay (Briggs/Daihatsu Diesel Engine) . . . . 11
Workman 3000/4000 Series
Page 8 – 1
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Document Type | Service Manual |
| Language | English |
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