CAUTION: If you tighten the locknut too
much, it can cause damage to the
threads.
To sharpen the grass knife and
grass blade
WARNING: Stop the engine. Use protective
gloves.
• To sharpen the grass knife or grass blade correctly,
refer to the instructions that come with the cutting
attachment.
• Sharpen all edges equally to keep the balance.
• Use a single-cut flat file. (Fig. 59)
WARNING: Always discard a blade that is
damaged. Do not try to make a bent or
twisted blade straight and use it again.
Troubleshooting
The engine does not start
Check
Possible cause
Procedure
Stop switch.
The stop switch is in the stop position.
Set the stop switch to the start position.
Starter pawls.
The starter pawls cannot move freely.
Remove the starter cover and clean around
the starter pawls.
Let an approved service agent help you.
Fuel tank.
Incorrect fuel type.
Drain the fuel tank and fill with correct fuel.
Spark plug.
The spark plug is dirty or wet.
Make sure that the spark plug is dry and
clean.
The spark plug electrode gap is incorrect.
Clean the spark plug. Make sure that the
electrode gap is correct. Make sure that the
spark plug has a supressor.
Refer to technical data for correct electrode
gap.
The spark plug is loose.
Tighten the spark plug.
The engine starts but stops again
Check
Possible cause
Procedure
Fuel tank
Incorrect fuel type.
Empty the fuel tank and fill it with cor-
rect fuel.
Air filter
The air filter is clogged.
Clean the air filter.
Transportation, storage and disposal
Transportation and storage
• Let the product cool before transportation or storage.
• Remove the spark plug cap before long-term
storage.
• Attach the product during transportation. Make sure
that it cannot move.
881 - 001 - 10.10.2018
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