AL-KO 4712SP-A Manual Del Usuario página 29

Faults and remedies
Caution!
The motor shaft and mower blade should not be aligned.
Fault
The motor does not start
Motor power reduced
Lawnmower cuts unevenly
Grass catcher does not fill
sufficiently
Wheel drive does not work
Wheels do not turn when the
transmission is switched on
Unusually strong vibrations in
the lawnmower
For faults not listed in this table, or which you cannot resolve by yourself, please contact our customer service.
470 592_f
Solution
▪ Add petrol
▪ Set throttle lever to "Start"
▪ Switch on the choke
▪ Press the motor switch at the handlebar
▪ Check the spark plugs and replace if necessary.
▪ Clean the air filter.
▪ Spin the mower blade
▪ Recharge the starter battery
▪ Start on a surface already mowed
▪ Adjust the cutting height
▪ Resharpen / replace the mower blade
▪ Clean the outlet shaft/housing
▪ Clean the air filter.
▪ Reduce the working speed
▪ Resharpen/replace the mower blade
▪ Adjust the cutting height
▪ Adjust the cutting height
▪ Allow the lawn to dry
▪ Resharpen/replace the mower blade
▪ Clear the grille on the grass catcher
▪ Clean the outlet shaft/housing
▪ Adjust the Bowden cable
▪ V-belt faulty
▪ Contact the service-workshop
▪ Clean any dirt away from the wheel drive, toothed belt and gearing
▪ Lubricate the freewheels (drive pinion on drive shaft) with spray oil
▪ Retighten the wheel bolts
▪ Wheel hub faulty
▪ V-belt faulty
▪ Contact the service-workshop
▪ Check the mower blade
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