Identification Of Faults; Troubleshooting - Stiga Chain-saw Operator's Manual

MAINTENANCE AND STORAGE / TROUBLESHOOTING
a halt, so that it uses up all the fuel that is left
in the carburettor.
– Wait for the engine to cool down and remove
the spark plug.
– Pour a teaspoon of (new) 2-stroke engine oil
into the spark plug slot.
– Pull the starter rope several times to deliver oil
to the cylinder..
– Replace the spark plug with the piston in the
dead end upper position (visible from the
spark plug slot when the piston is at maximum
stroke).

9. TROUBLESHOOTING

PROBLEM
1) The engine will
not start or will not
keep running
2) The engine starts
but is lacking in
power
3) The engine runs
irregularly and lacks
in power when
revved
4) The engine gives
off an excessive
amount of smoke
LIKELY CAUSE
– Incorrect starting procedure
– Dirty spark plug or incorrect distance
between the electrodes
– Air filter clogged
– Carburetion problems
– Air filter clogged
– Carburetion problems
– Dirty spark plug or incorrect distance
between the electrodes
– Carburetion problems
– Incorrect composition of the fuel
mixture
– Carburetion problems
• Restarting work
When you wish to start using the machine again:
– Remove the spark plug.
– Pull the starter rope a few times to eliminate
excess oil.
– Check the spark plug as described in chapter
"Checking the spark plug".
– Prepare the machine as indicated in the para-
graph entitled "Preparing for work".
SOLUTION
– Follow the instructions (see chap-
ter 6)
– Check the spark plug (see chapter
8)
– Clean and/or replace the filter (see
chapter 8)
– Contact your dealer
– Clean and/or replace the filter (see
chapter 8)
– Contact your dealer
– Check the spark plug (see chapter
8)
– Contact your dealer
– Prepare the fuel mixture according
to the instructions (see chap. 5)
– Contact your dealer
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