Maintenance and Care
ENGLISH 16
11.8 Possible faults and troubleshooting
Problem Possible Cause Solution
Mower runs rough,
vibrates severely
Loose screws on engine or fastening screws loose
Blade not balanced or damaged
If needed, replace disks (in pairs)
Engine does not
start
Is brake lever (1) pushed against handle?
Is the throttle lever in the correct position?
Is the Bowden cable / the engine brake correctly set?
Spark plug or spark plug cap defect
Check if setting is correct
Clean or replace spark plug
Refuel
Engine runs
irregular
Clean or replace air filter
Adjust Gas B. cable or replace
Replace spark plug
Starter rope back-
fires
Blade fastening or overload clutch loose
Check blade fastening
Lawn turns yellow,
cutting uneven
Set throttle lever on high
Mower collects
poorly
Cutting height set too low when grass is too high
Lining of catching device clogged
Set throttle lever on high
Clean or replace catching device
Self-propelled drive
wheel does not run
Bowden cable bent or obstructed
Pull gear lever to handle
Adjust V-belt tension
Drive mower cannot
be pulled
backwards
Bowden cable bent or obstructed
Drive wheels dirty inside or not lubricated
Clean and lubricate wheels