20
21
TROUBLESHOOTING
COMPRESSION
NORMAL
THE SPARK IS
CORRECT
PROBABLE CAUSE
CORRECTIVE ACTION
Yes
Yes
There is no fuel in the tank
Add fuel to the tank
The fuel filter is dirty
Clean the filter
There is water in the fuel
Change the fuel
The fuel used is not appropriate
Use fuel with an appropriate octane
level +100% synthetic oil
The safety switch of the ventilator
is loose or the cover is not closed
correctly
Tighten the safety switch
The carburetor is dirty
Bring your machine to a
TIMBERPRO authorises dealer
Yes
No
The switch is in the “OFF” position
Put the switch in the “I” position
The spark plug is dirty
Clean the spark plug
The spark plug wire is not connected Connect it
Loss of
connection
Yes
The spark plug is loose
Tighten it
Piston, parts of the piston, worn
cylinder
Bring your machine to a
TIMBERPRO authorises dealer
The cylinder is scratched
Bring your machine to a
TIMBERPRO authorises dealer
The engine does
not turn
Seized engine
Bring your machine to a
TIMBERPRO authorises dealer
If the engine does not start:
SYMPTOM
PROBABLY CAUSE
CORRECTIVE ACTION
The engine slutters
Worn parts
Bring your machine to a PARKER authorises
dealer
Worn piston
Bring your machine to a PARKER authorises
dealer
Worn connector rod bearing
Bring your machine to a PARKER authorises
dealer
The gear is worn
Bring your machine to a PARKER authorises
dealer
The engine
overheats
Too much uninturrupted use
Have 10 minute work breaks and let the
engine cool
Dirty exhaust pipe
Bring your machine to a PARKER authorises
dealer
The fuel used is not appropriate
Use fuel with an appropriate octane level
+100% synthetic oil
The engine has
trouble starting
Dirty carburetor
Bring your machine to a PARKER authorises
dealer
Dirty air filter
Clean the air filter
The fuel filter is stopped up
Clean the fuel filter
The engine stops
and cannot stay idle
Poorly regulated carburetor
Bring your machine to a PARKER authorises
dealer
If the engine does not function correctly (lack of power, unstable, idle, etc.)
