Toro Groundsmaster 3500-D Service Manual page 177

Starting Problems (continued)
Problem
Engine cranks, but does not start.
The glow circuit does not operate properly.
Engine cranks (but should not) with the cutting unit
drive switch in the ENGAGE position.
General Run and Transport Problems
Engine stops running during operation (operator sitting
on seat).
Battery does not charge.
Groundsmaster 3500--D
Possible Causes
Wiring in the crank circuit (see Electrical Diagrams --
Chapter 8) is loose, corroded, or damaged.
Engine run solenoid or fuel pump is faulty.
The fuel tank is empty. An engine or fuel system
problem exists.
The glow circuit does not operate properly.
Wiring in the glow circuit (see Electrical Diagrams --
Chapter 8) is loose, corroded, or damaged.
The glow relay or glow plug controller is faulty.
Fuse F4 is blown or faulty.
The cutting unit drive switch is faulty or short circuited.
Short circuit in cutting unit neutral switch circuit.
Operator moved too far forward on seat (seat switch is
not depressed).
The engine overheated.
The parking brake was engaged or the parking brake
switch No. 1 failed.
The seat relay or seat switch failed.
The high temperature shutdown relay failed.
Fuse F1 or F3 is faulty or blown.
The run solenoid or fuel pump failed.
Wiring in the run circuit (see Electrical Diagrams --
Chapter 8) is broken or disconnected.
Loose or broken wire(s).
Faulty alternator.
Dead battery.
Alternator warning lamp is faulty or burned out.
Alternator warning lamp wiring is loose, corroded or
damaged.
Page 5 - - 5 Electrical System (Rev. D)