82
GB
Troubleshooting
Problem
Possible cause
Corrective action
Engine won‘t
start
No fuel
Fill up
Wrong starting sequence
Observe machine starting instruc-
tions in this booklet
Flooded engine
Reduce throttle, restart several
times, remove, clean and dry
spark plug as appropriate
Spark plug clogged, wrong spark
gap
Clean, adjust or replace spark
plug
Spark plug connection, ignition
cable damaged
Replace
Carburettor/nozzles dirty, fuel-air
mixture badly set
Take in carburettor and have it
cleaned and adjusted
Fuel filter clogged
Replace or clean fuel filter
Engine‘s idling
speed too high Cold engine
Allow to warm up slowly
Engine outputs
less than maxi-
mum
Spark plug clogged, wrong spark
gap
Clean, adjust or replace spark
plug
Carburettor/nozzles dirty, fuel-air
mixture badly set
Take in carburettor and have it
cleaned and adjusted
Wrong fuel mixture
Fill up according to instructions
O-ring in crankcase leaks
Take in to have fault removed
Cylinder, piston rings worn out
Spark failure
Excessive ex-
haust fumes/
smoke
Fuel-air mixture badly set
Take in to have carburettor ad-
justed
Wrong fuel mixture
Fill up according to instructions
Blades get hot
Blunt blades
Have blade bar sharpened
Notches in blade
Have blade bar checked
Excessive friction due to missing
lubrication
Lubricate blade bar
Summary of Contents for BHS 2670 E2
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