Origial user manual FUXTEC FX-LBS126P_de_en_fr_ita_es_rev13
36.
Troubleshooting
1. Difficulties with commissioning
Situation
Spark plug
No ignition
spark
other
Compression
Weak
ignition
spark
Carburettor no
longer pumps oil.
Normal oil supply but
weak compression
Normal oil supply
and good ignition
spark
2. Difficulties during operation
Situation
Cause
Choke is in "COLD START" position, exhaust
system clogged, no air supply, moving elements
Engine does not
worn, ignition spark weak, valve clearance too
reach speed
high, cylinder head sooty
Operating
Lines to carburettor blocked Spark plug spacing
materials
are
incorrect
leaking
Engine-
Wrong choke position,
Noises
Camshaft damaged
Failure of the check valve on the tank cap
Carburettor
leaking
Carburettor gasket worn out
Cause
Carbon deposit between the diodes
of the spark plug
ignition coil defective flywheel
magnet too weak
Too much petrol in the combustion
chamber, poor fuel or water in the
tank
Oil line blocked
Piston rings worn, spark plug not
screwed down, cylinder head not
tight wrong valve clearance or
ignition timing.
Poor contact between ignition cap
and spark plug
Solution
Clean the spark plug.
Adjust the gap
0.6~0.7mm, replace
the spark plug
Replace the ignition
coil or flywheel
Remove spark plug
and allow to dry,
replace fuel.
Cleaning the
carburettor and
cleaning the pipes
replace tighten screws
replace or adjust
Replace or check
Solution
Open choke, replace exhaust system
Check or replace ignition coil, adjust
flywheel, spark plug
Replace lines and carburettor Adjust gap
dimension
Check choke lever position for warm
position,
Check/replace camshaft
Replace the fuel filler cap
Replace carburettor or gasket
47