Ryobi PCN 4040, Owner'S Operation Manual

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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start. 1. No spark. 1. Check spark. Remove air filter cover.
(Make sure ignition switch Remove sparking plug from cylinder.
is in start position “I”). Reattach the sparking plug wire and lay
sparking plug on top of cylinder with the
metal part of plug touching the cylinder.
Pull the starter rope and watch for spark
at sparking plug tip.
If there is no spark, repeat test with a new
sparking plug.
2. Flooded engine. 2. With the ignition switch off, remove
sparking plug. Move choke lever to run
position (pushed in completely) and pull
starter cord 15 to 20 times. This will clear
excess fuel from engine. Clean and
reinstall sparking plug.
Set ignition switch to run (I) position.
Push and fully release primer bulb
7 times. Pull starter three times with choke
lever at run. If engine does not start, move
choke lever to choke and repeat normal
starting procedure.
If engine still fails to start, repeat procedure
with a new sparking plug.
Engine starts but will not Carburettor requires “
L
” Contact a Ryobi service dealer for
accelerate properly. (Low jet) adjustment. carburettor adjustment.
Engine starts but will not run Carburettor requires “
H
” Contact a Ryobi service dealer for
properly at high speed. (High jet) adjustment. carburettor adjustment.
Engine does not reach full speed 1. Check oil fuel mixture. 1. Use fresh fuel and the correct 2-cycle
and/or emits excessive smoke. oil mix ratio.
2. Air filter dirty. 2. Clean air filter. Refer to “Maintenance –
Cleaning the Air Filter” earlier in this
manual.
3. Spark arrester screen dirty. 3. Clean spark arrester screen. Refer to
“Maintenance – Cleaning the Spark
Arresting Silencer” earlier in this manual.
4. Carburettor requires “ H ” 4. Contact a Ryobi service dealer for
(High jet) adjustment. carburettor adjustment.
Engine starts, runs, and Carburettor requires adjustment. Turn idling speed screw “ T ” clockwise to
accelerates but will not idle. increase idling speed. If chain turns at
idle, turn idling speed screw “
T
” anticlockwise
to decrease speed. Wear protective
equipment and observe all safety instructions
(Fig. 24).
15
English
PCN 4040_4545 manual