Ryobi Outdoor SS30 ZR30002, CS30 ZR30000, BC30 ZR30004 manual Troubleshooting, Idle Speed Screw

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IDLE SPEED

TROUBLESHOOTING

IFTHESE SOLUTIONS DO NOT SOLVETHE PROBLEM CONTACTYOUR AUTHORIZED SERVICE DEALER.

PROBLEM	POSSIBLE CAUSE	SOLUTION

String will not advance when using

the EZ Line™ tap advance system:

1.String is welded to itself.

2.Not enough string on spool.

3.String is worn too short.

4.String is tangled on spool.

5.Engine speed is too slow.

1.Lubricate with silicone spray.

2.Install more string. Refer to “String Replace- ment” earlier in this manual.

3.Pull strings while alternately pressing down on and releasing spool retainer.

4.Remove string from spool and rewind Refer to “String Replacement” earlier in this manual.

5.Advance string at full throttle.

Spool retainer hard to turn when using EZ Line™ tap advance system:

Screw threads are dirty or damaged.

Clean threads and lubricate with grease - if no improvement, replace the spool retainer.

Grass wraps around	1.	Cutting tall grass at ground level.
driveshaft housing and
string head:	2.	Operating trimmer at part throttle.

1.Cut tall grass from the top down to prevent wrapping.

2.Operate trimmer at full throttle.

Oil drips from muffler:	1.	Operating trimmer at part throttle	1.	Operate trimmer at full throttle.
	2.	Check oil/fuel mixture.	2.	Use fresh fuel and the correct 2-cycle oil mix.
	3.	Air filter dirty.	3.	Clean per instruction in Maintenance Section.

IDLE SPEED

SCREW

Fig. 31

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Image 24

Contents OPERATORS MANUAL 30cc String Trimmers and BrushcutterZR30000 Series SAVE THIS MANUAL FOR FUTURE REFERENCETABLE OF CONTENTS INTRODUCTIONGENERAL SAFETY RULES READ ALL INSTRUCTIONSSPECIFIC SAFETY RULES SPECIFIC SAFETY RULES FOR TRIMMER USESYMBOLS SYMBOLNAME EXPLANATIONSAVE THESE INSTRUCTIONS SERVICESYMBOL SIGNAL MEANINGSPECIFICATIONS UNPACKINGWeight - without fuel String cutting widthFEATURES HOUSING FRONT HANDLE KNOB CURVED SHAFT GRASSREAR HANDLE CHOKE LEVER COUPLER THROTTLE TRIGGER DRIVE SHAFTCOUPLER THROTTLE TRIGGER DRIVE SHAFT HOUSING STARTER GRIPCOUPLER THROTTLE TRIGGERASSEMBLY See FigureSTRING TRIMMER SHAFT COUPLER GUIDE RECESS BUTTON POSITIONING HOLE KNOBFRONT HANDLE LOCK WASHER WING NUT BOLT FLAT WASHERBOLT 1/4-20x 1 in. BOLT FRONT1/4-20 x 1 1/2 in HANDLE STRAP HANGER CLAMPTO ATTACH THE CURVED SHAFT GRASS DEFLECTOR ZR30000 See FigureBOLT BRACKET SLOT GEAR HEADGEAR HEAD FLANGED WASHER STRING HEAD ASSEMBLY LATCH STRAP HANGER SHOULDERREMOVING THE TRI-ARCBLADE AND BRUSHCUTTER GUARD See Figures 10 andINSTALLING THE TRI-ARCBLADE AND BRUSHCUTTER GUARD SLOT LOOSEN TIGHTENGEAR HEAD FLANGED WASHER SLOT CUPPED WASHER OPERATION FUEL MIXTUREFUEL MIXTURE HIGH QUALITY 2-CYCLEENGINE OIL GASOLINETO ADVANCE THE CUTTING LINE TO ADVANCE THE CUTTING LINE MANUALLYCUTTING TIPS See Figures 16 andSee Figures 19 and BLADE THRUSTTRI-ARCBLADE CUTTING TECHNIQUE - BLADEIGNITION SWITCH THROTTLE TRIGGER PRIMER BULB STARTER GRIP IGNITION SWITCH STARTINGSee Figures 21, 22, and TO STOP THE ENGINEMAINTENANCE To install the spool retainerNEW PREWOUND SPOOL See Figures 24 andSee Figures 26, 27, and ARROWS ON SPOOL ANCHOR HOLEFIRST STRING FIRST STRING SLOT SECOND STRINGCleaning Instructions See Figures 29 andLATCH PULL COVER TO OPEN FILTER SLOTS ON AIR FILTER BASE TABS ON AIRFUEL CAP SPARK PLUGSTORAGE 1 MONTH OR LONGER TROUBLESHOOTING IDLE SPEED SCREW WARRANTY MANUFACTURERS WARRANTY COVERAGEOWNERSWARRANTY RESPONSIBILITIES MAINTENANCE REQUIREMENTSEmissions Parts Each Use5 Hours AIR FILTER ASSYNOTES RYOBI TECHNOLOGIES INC • SERVICE• HOW TO ORDER REPAIR PARTS • MODEL NO. AND SERIAL NO