Homelite F3040, UT70131 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.

 

2.

Not enough string on spool.

 

3.

String worn too short.

 

4.

String tangled on spool.

 

5.

Engine speed 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.

Grass wraps round shaft

1.

Cutting tall grass at ground level.

housing and string head:

2.

Operating trimmer at part throttle.

1.Cut tall grass from the top down.

2.Operate trimmer at full throttle.

Spool retainer hard to turn:

Screw threads dirty or damaged.

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

Oil drips from silencer:

1.

Operating trimmer at part throttle

 

2.

Check oil/fuel mixture.

 

3.

Air filter dirty.

 

4.

Carburettor requires adjustment.

1.Operate trimmer at full throttle.

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

3.Clean air filter. Refer to “Replacing and Cleaning the Air Filter” earlier in this manual.

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 represen- tative.

IDLE SPEED

SCREW

“L” LO

NEEDLE

“H” HIGH

Fig. 25

NEEDLE

20

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Contents OPERATOR’S Manual Save this Manual for Future ReferenceTable of Contents SafetySpecific Safety Rules for Trimmer USE Specific Safety Rules for Brushcutter and Blade USESymbols Symbol Name ExplanationTechnical Data Features UnpackingInstructions Packing List for OWNER’S KITAttaching the Shoulder Strap AssemblyFront Handle Silencer Guard Assembly Grass Deflector and Blade Guard USEConverting from Trimmer to Brushcutter Blade GuardGrass Deflector Installing 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 Ignition Switch Starting and StoppingTo 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 Latch Pull Cover To Open FilterSparking Plug Fuel CAPStorage 1 Month or Longer Troubleshooting Dealer. See FigureIdle Speed Screw Needle Warranty Safety DirectiveGuarantee Statement Rtsa / Rtuk / RTG Sound Pressure Sound Power Vibration Model Model noRyobi Technologies GmbH
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