Ryobi RY34427 User Manual 2 - Page 19
Troubleshooting
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TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM Engine will not start POSSIBLE CAUSE No spark. No fuel. Engine is flooded. Engine does not reach full Air filter is dirty. speed and emits excessive smoke Spark arrestor screen is dirty. Spark plug fouled. SOLUTION Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer. If primer bulb fills, engine may be flooded, proceed to next item. Set the choke lever to the FULL CHOKE position. Squeeze the trigger and pull the rope repeatedly until the engine starts and runs. NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope. Clean air filter. Refer to Cleaning the Air Filter earlier in this manual. Contact a servicing dealer. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. Engine starts, runs, and accel- Idle speed screw on carburetor Turn idle speed screw clockwise to increase idle erates but will not idle needs adjustment. speed. See Figure 20. Engine emits too much smoke Too much oil in crankcase. Drain lubricant and refill with correct amount of 20W50 engine lubricant. See Adding/Checking Engine Lubricant in the Operation section of this manual. Engine rope cannot be pulled Oil has entered the combustion This is usually caused by storing the unit for an ex- chamber. tended time with the engine in an upside-down posi- tion. Remove and clean the spark plug. Drain the oil out of the spark plug hole, then reinstall the spark plug. Check engine lubricant and add if necessary prior to starting. Refer to Adding/Checking Engine Lubricant earlier in this manual. Line will not advance Line is welded to itself. Replace line. Refer to the applicable line replacement section in this manual. Not enough line on spool. Install more line. Refer to the applicable line replacement section in this manual. Line is worn too short. Pull lines while alternately pressing down on and releasing spool retainer. Line is tangled on spool. Remove line from spool and rewind. Refer to the applicable line replacement section in this manual. Engine speed is too slow. Advance line at full throttle. 15 - English