Husqvarna 966997301, Operation Manual

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tRoUblesHootInG
20
Symptom Cause Action
Engine will not start
User error fuel valve closed open the fuel valve.
choke valve open close the choke with cold engine.
operator presence switch not held
down move to operator position and hold
down
fuel system fuel tank empty fill with fuel
machine stored without observing
proper procedure from chapter
Storage
clean tank, sludge reservoir and
empty carburetor. fill the tank with
fresh fuel.
contamination, water or ice in fuel
system.
clean tank, sludge reservoir and
empty carburetor. fill the tank with
fresh fuel.
carburetor problems
contact an authorized service
workshop
Spark plug Wrong spark plug type replace the spark plug
build-up on electrodes, short circuit
check electrode gap and clean or
replace spark plug
Gasoline or oil on the spark plug
clean the spark plug. Air the
engine out. Start with full throttle.
no spark after checking spark plug
faulty engine switch, cable or
ignition contact authorized service
workshop
low compression
Serious interior engine damage or
faulty valves contact authorized service
workshop