GB 21
GB
FAULT LOCATION PLAN
FAULT
POSSIBLE CAUSES
REMEDY
Engine does not start
Lack of fuel
Fill the tank, check the tank venting, check the fuel filter
Bad, contaminated fuel, old fuel in the tank
Always use fresh fuel from clean containers, clean the car
burettor (workshop)
Air filter contaminated
Clean the air filter (see operating instructions for the engi
ne)
No ignition spark
Clean the spark plug, possibly replace. Check ignition
cable. Check ignition unit = authorised service agent
Engine "flooded" due to repeated attempts to start
Unscrew spark plug and dry off.
Starter does not react
Starter battery empty or weak
Charge starter battery
Safety switch on driver's seat not functioning
Sit on the driver's seat correctly
Safety switch on brake pedal not functioning
Press the brake pedal right down
Mowing appliance switched on
Switch the mowing appliance off
Fuse (5A) on (+) cable of the starter battery
Check
Engine performance drops
Grass too long or too wet
Correct the cutting height. Create air flow by briefly moving
backwards
Discharge channel/mowing deck blocked
Clean discharge channel/mowing deck. Switch the engine
off and remove the spark plug connector.
Air filter contaminated
Clean the air filter (see engine information)
Carburettor setting wrong
Have the setting checked - authorised service agent
Blade severely worn
Replace blade - Only use original replacement blade - aut
horised service agent
Speed too high
Reduce speed
Lawn tractor does not move
With hydrostat drive:No traction
Move bypass lever downwards to operating position (see
driving without traction)
Poor cut
Blade worn, blunt
Replace or regrind blade. Balance reground blades. Only
use original replacement blade - authorised service agent
Incorrect cutting height
Alter cutting height
Engine speed too low
Set engine speed to Max.
Speed too high
Reduce speed
Differing tyre pressure on wheels
Pump up to correct air pressure.
Tyre pressure: see technical data
Grass box not filling
Mower setting too low;
Adjust cutting height
Grass is too damp and too heavy to be
transported by the air flow
Wait until the lawn has dried off
Blade badly worn
Replace blade. Only use original replacement blade -
authorised service agent
Grass too long
Cut the lawn twice:
1st cut: max. cutting height
2nd cut: required cutting height
Fabric sack blocked - no air flow
Clean the fabric sack
Discharge channel of mowing deck blocked -
last cuttings
Clean the discharge channel/mowing deck
Level display does not react
Cuttings on level display lever
Remove cuttings from level display lever - check for each
of movement
Drive, brakes, clutch and
mowing appliance
have a regular check done by the authorised service agent.
Electrical repairs may only be carried out by a qualified electrician or service agent.
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