Güde KS 401 BW Traduction Du Mode D'emploi D'origine page 36

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32 Defects searching
Defect
The motor does not start
Idle speed too high
Engine does not give
max. output
Motor can not be swit-
ched off
Cause
1. Put the operational switch to OFF
position
2. Empty fuel tank
3. Over floated motor
4. Sooted spark plug (carbon residues on
electrodes), electrodes distance too big
5. Dirty carburettor, dirty carburettor
nozzles
6. Damaged spark plug contact, faulty
ignition cable
7. Missing spark
1. Cold engine
1. Sooted spark plug (carbon residues on
electrodes), electrodes distance too big
2. Dirty carburettor, dirty carburettor
nozzles
3. Dirty carburettor, dirty carburettor
nozzles
4. Exhaust, exhaust channel of cylinder
5. Leaky sealing gasket in crankcaset
6. Worn-down cylinders, pistons, piston
rings
7. Bad fuel/oil mix (too much oil)
8. Bad ignition
1. Light-grey spark plug with traces of
burning (melting pearls)
2. residues of carbon in the combustion
chamber
Failure removal
1. Put the operational switch to ON
position
2. Top-up fully the fuel tank
3. Reduce throttle, start couple times, in
case of necessity dismantle spark plug,
clean and dry it
4. Clean the spark plug, check the plug
thermal value, possibly change the
plug, set the electrodes distance to
0.6-0.7 mm
5. VLet the carburettor cleansed, blow
through by air in authorized workshop
6. let changed in authorized workshop
7. Check the switch-off button, cable and
ignition module, poss. Let replaced in
authorized workshop, let adjusted gap
to 0.3-0.4 mm
1. Heat up slowly, poss. Close slightly
choke
1. Clean the spark plug, check the plug
thermal value, possibly change the
plug, set the electrodes distance to
0.6-0.7 mm
2. Let the carburettor cleansed, blow
through by air in authorized workshop
3. Clean
4. Let the exhaust dismantle and clean
in authorized workshop, let clean the
carbon residues
5. Let replaced in authorized workshop
6. Let replaced cylinders, pistons and
piston rings in authorized workshop,
let the cylinders ground with end lap
and let installed oversize piston
7. Fill the fuel tank according to the
manual
8. Contact gap size of ignition module
(0.3-0.4 mm) let adjusted in authorized
workshop
1. Install spark plug of higher thermal
value
2. Let cleaned the cylinder head, piston
top and cylinder channels in autho-
rized workshop