Chapter 5
Electrical System
Table of Contents
ELECTRICAL SCHEMATICS AND DIAGRAMS . . . 2
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . 4
Starting Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Run & Transport Problems . . . . . . . . . . . . 5
Cutting Deck Operating Problems . . . . . . . . . . . . . 6
ELECTRICAL SYSTEM QUICK CHECKS . . . . . . . . 7
Battery Test (Open Circuit Test) . . . . . . . . . . . . . . . 7
Charging System Test . . . . . . . . . . . . . . . . . . . . . . . 7
Glow Plug System Test . . . . . . . . . . . . . . . . . . . . . . 7
Check Operation of Interlock Switches . . . . . . . . . 8
COMPONENT TESTING . . . . . . . . . . . . . . . . . . . . . . . 9
Ignition Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Glow Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Interlock, Neutral, Seat, and High Temperature
Shutdown Relays . . . . . . . . . . . . . . . . . . . . . . . . . 10
Hour Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SRV Valve Solenoid . . . . . . . . . . . . . . . . . . . . . . . . 11
Diode Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Warning Light Cluster (Serial Number
Indicator Lights (Serial Number Above
240000000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Cutting Unit Drive Switch . . . . . . . . . . . . . . . . . . . . 15
Neutral Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Seat Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Parking Brake and Transport/Mow Switches . . . 17
Fusible Link Harness . . . . . . . . . . . . . . . . . . . . . . . 17
High Temp Warning and Shutdown Switches . . . 18
Fuel Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Fuel Stop Solenoid (Solenoid With 3 Wire
Connector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Fuel Stop Solenoid (Solenoid With 2 Wire
Connector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Glow Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Standard Control Module . . . . . . . . . . . . . . . . . . . . 23
SERVICE AND REPAIRS . . . . . . . . . . . . . . . . . . . . . 24
Battery Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Battery Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Battery Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Solenoid Valve Coil . . . . . . . . . . . . . . . . . . . . . . . . . 28
Below 240000000) . . . . . . . . . . . . . . . . . . . . . . . . 13
Groundsmaster 3500--D
Page 5 -- 1
Electrical System (Rev. D)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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