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9• BREAKDOWNS AND REMEDIES
ABNORMAL OPERATION
PROBABLE CAUSE
REMEDY
The engine does not start
Fuel tank empty
Fill with petrol
Throttle regulation lever not at choke with cold engine Set throttle regulation lever to choke
Badly connected spark plug cap
Connect the spark plug cap
Fuel pipe blocked
Have the fuel pipe cleaned by a specialist workshop
Air has penetrated the engine because the carburettor
is loose
Tighten the fixing screws
Petrol valve closed
Open petrol valve
The engine does not start ; there is a smell of
petrol
The engine is receiving too much fuel
Put the throttle on MAX do not use the choke
Air filter clogged
Clean the air filter
Engine runs erratically, misses
The engine is running with the choke on
Take throttle regulation lever out of choke position
Ignition cable loose
Allow the engine to cool and carefully connect the
spark plug lead
Air filter clogged
Clean the air filter
Fuel tank cap breather blocked
Replace the fuel tank cap
Fuel pipe blocked
Have the fuel pipe cleaned by a specialist workshop
Carburettor wrongly adjusted
Have the carburettor adjusted by a specialist workshop
Engine misses at high running speeds
Spark plug gap wrongly set
Have the gap set by a specialist workshop
Carburettor wrongly adjusted
Have the carburettor adjusted by a specialist work-
shop
The engine gets too hot
Too little engine oil
Top up with engine oil
Obstructed air cooling system
Have the fan grille and cooling fins cleaned by a spe
-
cialist workshop
Air filter clogged
Clean the air filter
Carburettor wrongly adjusted
Have the carburettor adjusted by a specialist work-
shop
The engine often stalls on idle speed
Throttle regulation lever not at choke with cold engine Set throttle regulation lever to choke
Spark plug gap wrongly set
Have the gap set by a specialist workshop
Air filter clogged
Clean the air filter
The engine has too little power
Air filter clogged
Clean the air filter
Compression too low
Go to a specialist workshop
The engine does not stop
The engine stop action is out of adjustment
Close the petrol cap and wait for the engine to stop.
Have the engine checked by a specialist workshop
Whistling when the sweeping brush is running
Clutch lever not fully lowered
Push down gear lever for brush drive fully
Incorrect setting for the clutch cable
Correct the setting of the clutch cable
Defective trapezoidal belt
Have the trapezoidal belt replaced by a specialist work-
shop
Noise at brush level
Bristles installed incorrectly
Install bristles correctly
Bristles loose
Check bristles are seated correctly
The brush is not an original
Replace the brush with original Etesia items.