Ryobi RHT2660DA, User Manual, Page: 20 / 239

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F D E I P NL S DK N FIN GR HU CZ RU RO PL SLO HR TR EST LT LV SK BG
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NOTE: If your unit exhibits speci fi c performance problem(s) where the Troubleshooting section recommends a clockwise screw
adjustment on the carburetor and no adjustments have been made since original purchase, the unit should be taken to an authorized
service center for repair. In most cases, the needed adjustment is a simple task for the trained service representative.
TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER.
PROBLEM POSSIBLE CAUSE SOLUTION
Check spark. Remove spark plug. Reattach the spark
plug cap and lay spark plug on metal cylinder. Pull the
starter rope and watch for spark at spark plug tip. If
there is no spark, repeat test with a new spark plug.
Push primer bulb until bulb is full of fuel. If bulb does
not fill, primary fuel delivery sys tem is blocked. Con tact
a servicing dealer. If prim er bulb fills, engine may be
flooded, proceed to next item.
Pull starter three times with choke lever at “ ”. If
engine does not start, move choke lever to “ ” and
repeat normal starting procedure. If engine still fails to
start, repeat procedure with a new spark plug.
Contact a servicing dealer.
Allow engine to completely warm up. If engine does
not accelerate after three minutes, contact a ser vic ing
dealer.
Contact a ser vic ing dealer.
1. Use fresh fuel and the correct 2-stroke lubricant mix.
2. Clean air filter. Refer to Clean ing the Air Filter
Screen earlier in this manual.
3. Contact a servicing dealer.
Turn idle speed screw clockwise to increase idle speed.
(Fig. 11)
No spark.
No fuel.
Engine is flooded.
Starter rope pulls harder
now than when new.
Engine requires
approximately three minutes
to warm up.
Carburetor requires
adjustment.
1. Check lubricant fuel
mixture.
2. Air filter is dirty.
3. Spark arrestor screen is
dirty.
Idle speed screw on
carburetor requires
adjustment
Engine will not start.
Engine starts but will not
ac cel er ate.
Engine starts but will only run at
high speed at half choke.
Engine does not reach full speed
and emits ex ces sive smoke.
Engine starts, runs, and
accelerates but will not idle.
RHT2660DA_25lgs manual.indd 17 RHT2660DA_25lgs manual.indd 17 12/20/03 12:00:13 PM 12/20/03 12:00:13 PM