Service Manual

Troubleshooting
CAUTION
Remove
watches, before doing any electrical
voltage.
all jewelry, especially rings and
troubleshooting or testing. Disconnect the
battery cables unless the test requires battery
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.
Condition Possible Cause
Starter cranks, but should not, with clutch pedal Clutch switch out of adjustment or faulty.
released.
Starter cranks, but should not, with PTO engaged. PTO switch faulty.
Starter solenoid clicks, but starter will not crank.
(If solenoid clicks, problem is not in interlock system.)
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.
Starter cranks but engine will not start. 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).
Engine does not shut off immediately when ignition key Damaged or disconnected wiring for shut–down relay.
switch is turned off (Workman 3100 only).
Shut–down relay faulty
Electrical System (Rev. G) Page 8 – 14 W
orkman 3000/4000 Series