Scheppach MS173-51 Originalbetriebsanleitung Seite 34

You can find out how to dispose of the disused
device from your local authority or city adminis-
tration.
Fuels and oils
• Before disposing of the unit, the fuel tank and the
engine oil tank must be emptied!
• Fuel and engine oil do not belong in household
waste or drains, but must be collected or disposed
of separately!
• Empty oil and fuel tanks must be disposed of in
an environmentally friendly manner.
15. Troubleshooting
Troubleshooting
The table shows potential failures, their possible cause and removal options. However, if you are unable to remove the
problem, contact a professional to assist you.
m CAUTION!
Always switch off the engine and pull the ignition cable before starting any inspection or adjustment work.
m CAUTION!
If, after making an adjustment or repair to the engine, you let it run for a few minutes, remember that the exhaust and other
parts will get hot. Thus, do not touch parts that emanate heat, as these may burn you.
Important hint in case of sending the equipment to a service station:
Due to security reasons please see to it that the equipment is sent back free of oil and gas!
Fault
Loud while running, ma-
chine vibrates heavily
Engine does not start
Engine runs unsteadily
Uneven mowing results
Unsatisfactory bagging of
the grass
34 | GB
Possible cause
Screws are loose
Blade fasteners are loose
Blade is unbalanced
Brake lever not pressed
Speed lever in wrong position
Spark plug is defective
Fuel tank is empty
Contaminated fuel
Cold environment
Engine faulty
Air filter is soiled
Spark plug is soiled
Blade is blunt
Cutting height is too low
Cutting height is too low
Blade is worn
Basket is clogged
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Remedy
Check screws
Check blade fasteners
Replace blade
Press brake lever
Check setting
Replace spark plug
Refill with fuel
Empty fuel tank and fill with clean fuel
Push the primer button (if present)
Contact authorised customer service
Clean the air filter
Clean the spark plug
Sharpen the blade
Set correct height
Set correct height
Replace the blade
Empty the basket