Troubleshooting - Ryobi RCS3845 Original Instructions Manual

TROUBLESHOOTING

Problem
Engine will not start (Make
sure the ignition switch is in
the "on" position).
Engine starts but will not
accelerate properly.
Engine starts but will not run
properly at high speed.
Engine does not reach
full speed and/or emits
excessive smoke.
Engine starts, runs, and
accelerates but will not idle.
Engine starts and runs, but
chain is not rotating.
Bar and chain running hot
and smoking.
Possible cause
No spark.
Flooded engine.
Carburettor requires "L" (Low jet)
adjustment.
Carburettor requires "H" (High jet)
adjustment.
Check lubricant fuel mixture.
Air filter dirty.
Spark arrester screen dirty.
Carburettor requires "H" (High jet)
adjustment.
Carburettor requires adjustment.
Chain lubricant tank empty.
Check chain tension for overtight
condition.
Check for lubricating function.
Chain brake engaged.
Chain tension too tight.
Check guide bar and chain for
damage.
Solution
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.
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.
Contact an authorised service centre for
carburettor adjustment.
Contact an authorised service centre for
carburettor adjustment.
Use fresh fuel and the correct 2-stroke lubricant
mix ratio.
Clean the air filter.
Contact an authorised service centre for service
or replacement.
Contact an authorised service centre for
carburettor adjustment.
Contact an authorised service centre for
carburettor adjustment.
Lubricant tank should be filled every time.
Tension the chain.
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.
Release the chain brake.
Tension the chain.
Inspect the guide bar and chain for damage.