Husqvarna AR19B Owners Manual - Page 49

TROUBLESHOOTING, Storage/Winter storage

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TROUBLESHOOTING Symptom Cause The engine will not start • User error Fuel valve closed. Choke valve open. • Fuel system Engine switch in OFF position. Fuel tank empty. Machine stored without observing proper procedure from chapter "Storage/Winter storage". Contamination, water or ice in fuel system. Carburetor problems. • Spark plug Wrong spark plug type. Build-up on electrodes. Short circuit. Gasoline or oil on the spark plug. • No spark after checking spark plug Faulty engine switch, cable or ignition. Action Open the fuel valve. Close the choke with cold engine. Turn the engine switch to ON. Fill with fuel. Clean tank, sludge reservoir and empty carburetor. Fill the tank with fresh fuel. Clean tank, sludge reservoir, fuel lines and carburetor. Fill the tank with fresh fuel. Contact an authorized service workshop. Replace the spark plug. Check electrode gap and clean or replace spark plug. Clean the spark plug. Air the engine out. Start with full throttle. Contact an authorized service workshop. • Low compression Serious interior engine damage or faulty valves. Engine is gutless or runs unevenly • Air filter Clogged air filter. • Fuel system Machine stored without observing proper procedure from chapter "Storage/Winter storage". (Blue exhaust) Tank filled with 2-cycle mixed oil. (Voluminous blue-white Tank filled with diesel. exhaust) (Black exhaust) Choke left on. Clogged air filter. Carburetor problems. • Ignition system Wrong spark plug type. Build-up on electrodes. Short circuit. Faulty ignition unit. • Low compression (possible blue exhaust) Serious interior engine damage or faulty valve. Contact an authorized service workshop. Clean or replace the air filter. Clean tank, sludge reservoir and empty carburetor. Fill the tank with fresh fuel. Fill the tank with proper fuel. Clean tank, sludge reservoir and empty carburetor. Fill the tank with proper fuel. Open choke valve. Clean or replace the air filter. Contact an authorized service workshop. Replace the spark plug. Check electrode gap and clean or replace spark plug. Contact an authorized service workshop. Contact an authorized service workshop. English - 47

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English
–
47
TROUBLESHOOTING
Symptom
Cause
Action
The engine will not start
•
User error
Fuel valve closed.
Open the fuel valve.
Choke valve open.
Close the choke with cold
engine.
Engine switch in OFF position.
Turn the engine switch to ON.
•
Fuel system
Fuel tank empty.
Fill with fuel.
Machine stored without
Clean tank, sludge reservoir and
observing proper procedure
empty carburetor.
from chapter
”
Storage/Winter
Fill the tank with fresh fuel.
storage
”
.
Contamination, water or ice in
Clean tank, sludge reservoir,
fuel system.
fuel lines and 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.
Check electrode gap and clean or
Short circuit.
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
Faulty engine switch, cable
Contact an authorized service
checking spark plug
or ignition.
workshop.
•
Low compression
Serious interior engine
Contact an authorized service
damage or faulty valves.
workshop.
Engine is gutless or runs unevenly
•
Air filter
Clogged air filter.
Clean or replace the air filter.
•
Fuel system
Machine stored without observ-
Clean tank, sludge reservoir and
ing proper procedure from
empty carburetor.
chapter
”
Storage/Winter storage
”
.
Fill the tank with fresh fuel.
(Blue exhaust)
Tank filled with 2-cycle mixed oil.
Fill the tank with proper fuel.
(Voluminous blue-white
Tank filled with diesel.
Clean tank, sludge reservoir
exhaust)
and empty carburetor.
Fill the tank with proper fuel.
(Black exhaust)
Choke left on.
Open choke valve.
Clogged air filter.
Clean or replace the air filter.
Carburetor problems.
Contact an authorized service
workshop.
•
Ignition system
Wrong spark plug type.
Replace the spark plug.
Build-up on electrodes.
Check electrode gap and clean or
Short circuit.
replace spark plug.
Faulty ignition unit.
Contact an authorized service
workshop.
•
Low compression
Serious interior engine damage
Contact an authorized service
(possible blue
or faulty valve.
workshop.
exhaust)