Buhler 535 Lawn Mower User Manual


 
5-8
435/485/535
Section 5 - Troubleshooting
Electrical System
Problem
Electrical system is
inoperative
Starter speed low and
engine cranks slowly
Starter inoperative
Charge indicator lamp
stays on with engine
running
Correction
Clean and tighten connections.
Check each battery open circuit
voltage for 12.6 volts minimum.
Check electrolyte level and specific
gravity.
Check fuse panel.
Contact Buhler Versatile dealer.
Clean and tighten connections.
Check each battery open circuit
voltage for 12.6 volts minimum.
Check electrolyte level and specific
gravity of each battery.
Use correct viscosity oil for
temperature conditions.
Contact Buhler Versatile dealer.
Place shift lever in neutral.
Depress clutch pedal when starting.
Clean and tighten loose connections.
Charge or replace batteries.
Turn switch off.
Turn ignition to “OFF,” then to
“START” position.
Contact Buhler Versatile dealer
Check fuse panel.
Contact Buhler Versatile dealer.
Increase idle speed.
Check automatic belt tensioner.
Check each battery open circuit
voltage for 12.6 volts minimum.
Check electrolyte level and specific
gravity.
Contact Buhler Versatile dealer.
Possible Cause
Loose or corroded battery
connections.
Sulfated batteries.
Fuse or relay failure.
Ignition switch failure.
Loose or corroded connections.
Low battery output.
Incorrect viscosity engine oil.
Defective starter.
Transmission speed lever in gear.
Clutch pedal not depressed.
Loose or corroded connections.
Dead batteries.
PTO (option) switch on.
Incorrect ignition operation.
Neutral start switch or PTO switch
malfunction.
Fuse or relay failure.
Ignition switch failure.
Low engine idle speed.
Loose belt.
Malfunctioning battery(ies).
Malfunctioning alternator.
Electrical System