Toro Groundsmaster 4100-D Service Manual page 198

Starting Problems (Continued)
Problem
Engine cranks, but does not start.
Electrical System
Possible Causes
The fuel tank is empty.
The engine is not cranking fast enough.
Fuse F5--1 (40 amp) is faulty preventing the engine run
solenoid pull coil from being energized.
Fuse M1 (60 amp) is faulty preventing glow plug
operation.
The glow relay or circuit wiring is faulty preventing glow
plug operation.
Glow plug(s) is faulty.
The engine run solenoid or circuit wiring is faulty.
The fuel pump or circuit wiring is faulty.
The engine or fuel system is malfunctioning (see
Chapter 3 -- Kubota Diesel Engine).
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