Ryobi RCS5133CB, Original Instructions Manual

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12 | English
TROUBLESHOOTING
Problem Possible cause Solution
Engine will not start (Make
sure the ignition switch is in
the "on" position). No spark. The spark plug could be cracked or damaged.
Replace the old spark plug with a new one and
try to start again. If engine will still not start, return
the product to an authorised service centre for
further checking.
Flooded engine. With the ignition switch off, remove spark plug.
Move choke lever to run position (pushed in
completely) and pull starter grip 15 to 20 times.
This will clear excess fuel from engine. Clean and
reinstall spark plug.
Set ignition switch to "on" position. Push and
fully release primer bulb 10 times. Pull starter
grip three times with the choke lever all the way
in. If engine does not start, move choke lever to
full-choke position and repeat normal starting
procedure. If engine still fails to start, repeat
procedure with a new spark plug.
Engine starts but will not
accelerate properly. Carburettor requires “L” (Low jet)
adjustment. Contact an authorised service centre for
carburettor adjustment.
Engine starts but will not run
properly at high speed. Carburettor requires “H” (High jet)
adjustment. Contact an authorised service centre for
carburettor adjustment.
Engine does not reach
full speed and/or emits
excessive smoke. Check lubricant fuel mixture. Use fresh fuel and the correct 2-stroke lubricant
mix ratio.
Air fi lter dirty. Clean the air fi lter.
Spark arrester screen dirty. Contact an authorised service centre for service
or replacement.
Carburettor requires “H” (High jet)
adjustment. Contact an authorised service centre for
carburettor adjustment.
Engine starts, runs, and
accelerates but will not idle. Carburettor requires adjustment. Contact an authorised service centre for
carburettor adjustment.
Engine starts and runs, but
chain is not rotating. Chain lubricant tank empty. Lubricant tank should be fi lled every time.
Check chain tension for overtight
condition. Tension the chain.
Check for lubricating function. Run at half throttle 30 to 45 seconds. Stop saw
and check for lubricant dripping from guide bar. If
lubricant is present, the chain may be dull or bar
may be damaged. If no lubricant is on the guide
bar, contact an authorised service centre.
Bar and chain running hot
and smoking. Chain brake engaged. Release the chain brake.
Chain tension too tight. Tension the chain.
Check guide bar and chain for
damage. Inspect the guide bar and chain for damage.