Troubleshooting; Troubleshooting - Toro Workman 3000 Series Service Manual

Troubleshooting

Remove all jewelry, especially rings and
watches, before
troubleshooting 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).
Electrical System (Rev. G)
CAUTION
doing any electrical
For effective troubleshooting and repairs, you must have
a good understanding of the electrical circuits and com-
ponents used on this machine (see Wiring Schematics
section of this chapter).
If the machine 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
Page 8 – 14 Workman 3000/4000 Series