Troubleshooting; Troubleshooting - Toro Workman 3000 Series Service Manual

Troubleshooting

CAUTION
Remove all jewelry,
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
Condition
Starter cranks, but should not, with clutch pedal
released.
Starter cranks, but should not, with PTO engaged.
Starter solenoid clicks, but starter will not crank.
(If solenoid clicks, problem is not in interlock system.)
Starter cranks but engine will not start.
Engine does not shut off immediately when ignition key Damaged or disconnected wiring for shut–down relay.
switch is turned off (Workman 3100 only).
Workman 3000/4000 Series
especially rings and
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For effective troubleshooting and repairs, you must have
a good understanding of the electrical circuits and com-
ponents used on this vehicle (see Vehicle Electrical
Schematics in Chapter 11).
If the vehicle has any interlock switches by–passed, they
must be reconnected for proper troubleshooting and
safety.
Possible Cause
Clutch switch out of adjustment or faulty.
PTO switch faulty.
Low battery charge.
Loose or corroded battery cables or ground.
Loose, corroded or damaged wiring at starter.
Loose starter mounting bolts.
Faulty starter.
Faulty starter solenoid.
3rd–High lockout key switch in Slow position with
transaxle in 3rd gear and High range – instruct
operator.
"I" terminal wire of ignition key switch loose, corroded
or damaged.
Engine or fuel system problem (see appropriate
Engine chapter).
Shut–down relay faulty.
Electrical System