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Malfunction
Lawn tractor is vibrat-
ing severely.
Lawn tractor does not
move off.
Rough cut.
Grass catcher does
not fill up.
Fill level display does
not respond.
Travel drive, brake,
clutch and mower
mechanism.
48
Cause
Carburettor setting incorrect.
Blades severely worn down.
Driving speed too fast.
Mower mechanism is damaged.
With hydrostat drive: no travel
drive.
Blade worn, blunt.
Incorrect cutting height.
Engine speed too slow.
Driving speed too fast.
Different tyre pressure at wheels. Inflate to correct air pressure. Read off
Cutting height set too low.
Grass is wet – it is too heavy to
be transported by air stream.
Blades severely worn down.
Grass in lawn too tall.
Fabric bag blocked – no air
throughput.
Discharge channel/mower deck
contaminated.
Mown grass stuck to fill level dis-
play lever.
Help in case of malfunction
Remedy
Have the setting checked (customer
service workshop).
Replace blades (customer service work-
shop).
Reduce driving speed.
Check mower mechanism (customer
service workshop).
Move bypass lever to operating position
(see chapter 7.3 "Pushing the lawn trac-
tor (15, 16)", page 40).
Renew or regrind blade. Reground
blades must be rebalanced (customer
service workshop)!
Correct the cutting height.
Set maximum engine speed.
Reduce driving speed.
correct tyre pressure on tyre.
Correct the cutting height.
Mow at a later time when lawn has dried
out.
Change blade. (Customer service work-
shop)
Mow grass twice:
■
1st pass: max. cutting height
■
2nd pass: desired cutting height.
Clean fabric bag.
Clean discharge channel/mower deck.
Remove mown grass from fill level dis-
play lever. Then check for ease of
movement.
Only have the check performed in a
customer service workshop!
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