Scheppach PMT520 Traduccion Del Manual De Instrucciones Originale página 61

16. Troubleshooting
Fault
The device does not start up
The device runs and dies
Engine runs, but cutting tool
remains stationary
Device works with interruptions
(stutters)
Smoke is produced
Device does not work at full
power
The brush cutter does not work
at full power
The grass trimmer does not
work at full power
Trimming thread is not routed
through
The pole-mounted pruner does
not saw, plucks or vibrates
Saw chain is hot or saw chain
lubrication not functioning
Possible cause
• Air filter dirty
• Fuel filter blocked
• Missing fuel supply
• Fault in the fuel line
• Starter unit is defective
• Engine flooded
• Spark plug connector not plugged in
• No ignition spark
• Engine defective
• Carburettor defective
• Incorrect carburettor setting (idle
speed)
• Cutting tool blocked
• Internal fault (drive shaft, transmission)
• Clutch defective
• Carburettor is incorrectly adjusted
• Spark plug is sooty
• On/off switch defective
• Incorrect fuel mixture
• Carburettor is incorrectly adjusted
• Machine is overloaded
• Air filter is contaminated
• Carburettor is incorrectly adjusted
• Silencer blocked
• Cutting blade blunt or damaged
• Material to be cut too high (device
overloading)
• Trimming thread too short or damaged
• Device is overloaded as grass is too
long
• Thread coil empty
• Chain tension too high
• Chain blunt
• Chain mounted incorrectly
• Chain worn
• No oil in the tank
• Oil line blocked
• Chain tension too high
• Chain blunt
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Remedy
• Clean/replace the air filter
• Clean or replace the fuel filter
• Refuelling
• Check the fuel line for kinks or damage
• Contact the service point
• Remove spark plug, clean and dry; then
pull the starter cable several times; re-
install the spark plug
• Check the spark plug connector is
seated properly
• Clean or replace the spark plug
• Check ignition cable for damage
• Contact the service point
• Contact the service point
• Switch off the engine and remove the
object
• Contact the service point
• Contact the service point
• Contact the service point
• Clean or replace the spark plug
• Contact the service point
• Use two-stroke mixture with the mixing
ratio of 40:1
• Contact the service point
• Do not push hard while mowing/
trimming
• Clean or replace the air filter
• Contact the service point
• Check exhaust pipe
• Sharpen or replace cutting blade
• Cut grass in stages
• Feed in or replace trimming thread
• Cut grass in stages
• Replace thread coil
• Check and adjust chain tension
• Have chain sharpened or replaced
• Re-mount chain
• Replace chain
• Top up oil
• Clean oil line
• Adjust chain tension
• Have chain sharpened or replaced
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