Ryobi RY70107, PBC3046B manual Idle Speed Screw Needle

Page 20

TROUBLESHOOTING

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER.

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

 

String will not advance:

1. String welded to itself.

1.

Lubricate with silicone spray.

 

2.

Not enough string on spool.

2.

Install more string. Refer to “String Replacement”

 

 

 

 

earlier in this manual.

 

3.

String worn too short.

3.

Pull strings while alternately pressing down on and

 

 

 

 

releasing spool retainer.

 

4.

String tangled on spool.

4.

Remove string from spool and rewind. Refer to “String

 

 

 

 

Replacement” earlier in this manual.

 

5.

Engine speed too slow.

5.

Advance string at full throttle.

Grass wraps round shaft

1.

Cutting tall grass at ground

housing and string head:

 

level.

 

2.

Operating trimmer at part

 

 

throttle.

1.Cut tall grass from the top down.

2.Operate trimmer at full throttle.

Spool retainer hard to

Screw threads dirty or damaged.

turn:

 

Clean threads and lubricate with grease - if no improve- ment, replace spool retainer.

1. Operating trimmer at part

Oil drips from silencer: throttle.

2. Check oil/fuel mixture.

3. Air filter dirty.

4. Carburettor requires adjust- ment.

1.Operate trimmer at full throttle.

2.Use fresh fuel and the correct 2-cycle oil mix.

3.Clean per instruction in Maintenance Section.

4.Turn “H” needle clockwise 1/16 - 1/8 turn. See Figure 25.

NOTE: The carburettor adjustment needle(s) are equipped with plastic cap(s) which prevent anticlockwise rotation from the original factory adjustment. If your unit exhibits specific performance problem(s) where the Troubleshooting Section recommends an anticlockwise needle adjustment and no adjustments have been made since original purchase, the unit should be taken to a factory-authorised service dealer for repair. In most cases, the needed adjustment is a simple task for the factory-trained service representative.

IDLE SPEED

SCREW

“L” LO

NEEDLE

“H” HIGH NEEDLE

Fig. 25

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Contents OPERATOR’S Manual Table of Contents SafetySpecific Safety Rules for Trimmer USE Specific Safety Rules for Brushcutter and Blade USESymbols Symbol Name ExplanationTechnical Data Symbol NameFeatures UnpackingInstructions Packing List for OWNER’S KITAssembly HandleSee Figure Throttle Trigger TOP Clamp Handle BAR BottomSilencer Guard Assembly Bent END Silencer Guard Opening in Rear HousingAttaching the Shoulder Strap Grass Deflector and Blade Guard USEDrive Connector Spool Retainer Blade GuardGrass Deflector Converting from Trimmer to BrushcutterInstalling the Blade Installing the String HeadConverting from Brushcutter to Trimmer Removing the BladeOperating the Trimmer OperationFuel and Refuelling Grass Deflector Line Trimming CUT- OFF Blade Advancing the StringCutting Tips Cutting Technique Blade Operating the BrushcutterTRI-ARC Blade Starting and Stopping See Figures 14To Start a Cold Engine To Start a Warm EngineMaintenance Spool Replacement EZ Line TAP Advance SystemNEW PRE-WOUND Spool See Figures 16Blade Protector Cleaning the Exhaust Port and Silencer Replacing and Cleaning AIR FilterSpark Arrester See Figures 23Storage 1 Month or Longer Fuel CAPSparking Plug Troubleshooting Idle speed. See FigureIdle Speed Screw Needle Warranty Safety DirectiveGuarantee Statement Rtsa / Rtuk / RTG EC Declaration of ConformityRyobi Technologies GmbH
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