Toro 98958SL Lawn Mower User Manual


 
Reelmaster 4000–DPage 5 – 14Electrical System (Rev. A)
Troubleshooting
CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
For effective troubleshooting and repairs, you must
have a good understanding of the electrical circuits and
components used on this machine (see Electrical Sche-
matics and Diagrams section of this chapter).
If the machine has any interlock switches by–passed,
they must be reconnected for proper troubleshooting
and safety.
Starting Problems
Problem Possible Causes
Starter solenoid clicks, but starter will not crank
(if solenoid clicks, problem is not in safety interlock
system).
Low battery charge.
Loose or corroded battery cables.
Loose or corroded ground.
Faulty wiring at starter.
Faulty starter solenoid.
Nothing happens when start attempt is made. Battery is dead.
Loose or corroded battery cables.
Loose or corroded ground.
Parking brake is off.
Mow – backlap lever is engaged.
Circuit breaker open.
Traction (brake) switch (#2) out of adjustment or faulty.
Traction (brake) switch (#2) wiring loose, corroded or
damaged.
Reel drive neutral switch faulty.
Reel drive neutral switch wiring loose, corroded or
damaged.
Key switch faulty.
Key switch wiring loose, corroded or damaged.
Starter solenoid wiring loose, corroded or damaged.
Starter solenoid faulty.