Homelite UT20023A, UT20003A, UT20043A, UT20042A, UT20022A, UT20002A manual Idle Speed Screw

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TROUBLESHOOTING

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACTYOUR AUTHORIZED SERVICE DEALER.

PROBLEM	POSSIBLE CAUSE	SOLUTION

String will not advance	1.	String is welded to itself.
when using	2.	Not enough string on spool.
the EZ Line™ tap advance
system:	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

C

B

A

STOP

Fig. 22

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Image 20

Contents UT20042, UT20042A UT20043, UT20043A UT20002, UT20002A UT20003, UT20003AUT20022, UT20022A UT20023, UT20023A Table of Contents IntroductionGeneral Safety Rules Read ALL InstructionsSpecific Safety Rules Specific Safety Rules for Trimmer USESymbols Symbol Name ExplanationService Symbol Signal MeaningSpecifications Weight without fuelUnpacking InstructionsFeatures Trimlite model UT20002, UT20002A, UT20003, UT20003ATrim ‘n Edge model UT20022, UT20022A, UT20023, UT20023A See Figure AssemblyFront Handle Straight Shaft Grass Deflector Easy Reach See Figures 5Fueling and Refueling the Trimmer Operating the TrimmerFuel Mixture Fuel Mixture Premium Exact MIX Gasoline OILOperation Advancing the StringCUT OFF Blade Cutting TipsEdger Guide Operation Trim ‘N Edge only See Figures 10Starting and Stopping See Figures 12To Stop the Engine If Assistance is Required for this ProductMaintenance Spool Replacement EZ Line TAP Advance SystemTo install the spool retainer NEW Prewound SpoolSee Figures 16, 17, 18 String ReplacementCleaning the Exhaust Port and MUF- Fler Spark Arrestor Replacing and Cleaning AIR Filter Spark Arrestor Cleaning InstructionsFuel CAP Spark PlugTroubleshooting Idle Speed Screw Warranty Limited Warranty StatementManufacturers Warranty Coverage Emissions Maintenance Schedule and Warranted Parts List Service Repair Parts California Proposition