Ryobi RY30540, SS30, RY30560, RY30921, RY30520, RY30961, RY30941CS30 Troubleshooting, Idle Speed Screw

Page 22

TROUBLESHOOTING

	Problem	Possible Cause	Solution
	Engine will not start.	No spark.	Check spark . Remove spark plug. Reattach
			the spark plug cap and lay spark plug on metal
			cylinder. Pull the rope and watch for spark at spark
			plug tip. If there is no spark, repeat test with a new
			spark plug.
		No fuel.	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.
		Engine is flooded.	Set the start lever to the START position. Pull the starter
			grip repeatedly until the engine starts and runs.
			NOTE: Depending on the severity of the flooding, this
			may require numerous pulls of the rope. See Figure
			22.

	Engine does not reach full	Incorrect oil/fuel mixture.	Use fresh fuel and the correct 2-cycle oil mix. (50:1).
	speed and emits excessive	Air filter is dirty.	Clean air filter. Refer to Replacing and Cleaning Air
	smoke.	Air filter is dirty.	Clean air filter. Refer to Replacing and Cleaning Air
	smoke.		Filter earlier in this manual.
			Filter earlier in this manual.
		Spark arrestor screen is dirty.	Contact a servicing dealer.
		Spark plug fouled.	Clean or replace spark plug. Reset spark plug gap. Refer
			to Spark Plug Replacement earlier in this manual.

	Engine starts, runs, and	Idle speed screw on carburetor	Turn idle speed screw clockwise to increase idle speed.
	accelerates but will not idle.	needs adjustment.	See Figure 30.

	String will not advance.	String is welded to itself.	Lubricate string with silicone spray.
		Not enough string on spool.	Install more string. Refer to String Replacement earlier
			in this manual.
		String is worn too short.	Pull strings while alternately pressing down on and
			releasing spool retainer.
		String is tangled on spool.	Remove string from spool and rewind. Refer to String
			Replacement earlier in this manual.
		Engine speed is too slow.	Advance string at full throttle.

IDLE

SPEED

SCREW

Fig. 30

22

Image 22

Contents OPERATOR’S Manual Save this Manual for Future ReferenceTable of Contents IntroductionGeneral Safety Rules Read ALL InstructionsSpecific Safety Rules for Trimmer USE Specific Safety RulesSpecific Safety Rules for BRUSH- Cutter and Blade USE Symbols Symbol Name ExplanationService Symbol Signal MeaningKnob CouplerString Head Features Assembly Attaching the Storage Hanger Installing the Power Head to the AttachmentRemoving the Attachment from the Power Head See FigureFront Handle Bolt Wing NUT Clamp Attaching the Front Handle − CS30 and SS30Attaching the J Handle − BC30 Flat WasherTo Attach the Straight Shaft Grass Deflector − SS30 Attaching the Grass DeflectorTo Attach the Curved Shaft Grass Deflector − CS30 Attaching the Brushcutter Guard − BC30Removing the TRI-ARCBLADE and Brushcutter Guard Attaching the Shoulder Harness − BC30Converting from Brushcutter to String Trimmer − BC30 Converting from String Trimmer to Brushcutter − BC30Operation Installing the TRI-ARCBLADE and Brushcutter GuardRemoving the Straight Shaft Grass Deflector and String Head Fueling and Refueling the Trimmer Operating the TrimmerCutting Tips To Advance the Cutting LineTo Advance the Cutting Line Manually Grass Deflector Line Trimming CUT-OFF BladeTRI-ARCBLADE Operating the BrushcutterBlade Thrust Cutting Technique − BladeSee Figures 21 Starting and StoppingTo Stop the Engine Spool Replacement MaintenanceGeneral Maintenance See Figures 23Arrows on Spool Anchor Hole String ReplacementSee Figures 25 First String SlotSpark Plug Replacement Cleaning the Exhaust Port and MufflerReplacing and Cleaning AIR Filter Spark ArrestorTroubleshooting Idle Speed ScrewWarranty This Product WAS Manufactured with a Catalyst MufflerLimited Warranty Statement MANUFACTURER’S Warranty Coverage Service