Homelite UT20045, UT20044, UT20024, UT20025 manual Troubleshooting, Problem Possible Cause Solution

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TROUBLESHOOTING

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

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

Engine will not start:

1. No spark.

2. No fuel.

3. Engine is flooded.

1.Check spark. Remove spark plug. Reattach the spark plug cap and lay spark plug on metal cyl- inder. Pull the rope and watch for spark at spark plug tip. If there is no spark, repeat test with a new spark plug.

2.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.

3.Squeeze the trigger and pull the rope repeatedly until the engine starts and runs.

NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope.

Engine does not reach full

1.

Incorrect oil/fuel mixture.

speed and emits excessive

 

 

smoke:

2.

Air filter is dirty.

 

3.

Spark arrestor screen is dirty.

 

4.

Spark plug fouled.

1.Use fresh fuel and the correct 2-cycle oil mix. (50:1).

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

3.Contact a servicing dealer.

4.Clean or replace spark plug. Reset spark plug gap. Refer to “Spark Plug Replacement” earlier in this manual.

Engine starts, runs, and ac-

 

 

 

 

 

 

1. Idle speed screw on carburetor

1.

Turn idle speed screw clockwise to increase idle

celerates but will not idle:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

needs adjustment.

 

speed. See Figure 22.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

String will not advance:

1.

String is welded to itself.

1.

Lubricate string with silicone spray.

 

 

 

 

 

 

 

 

 

 

 

2.

Not enough string on spool.

2.

Install more string. Refer to “String Replacement”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

earlier in this manual.

 

 

 

 

 

 

 

 

 

 

 

3.

String is worn too short.

3.

Pull strings while alternately pressing down on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and releasing spool retainer.

 

 

 

 

 

 

 

 

 

 

 

4.

String is tangled on spool.

4.

Remove string from spool and rewind Refer to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“String Replacement” earlier in this manual.

 

 

 

 

 

 

 

 

 

 

 

5.

Engine speed is too slow.

5.

Advance string at full throttle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IDLE SPEED

SCREW

Fig. 22

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Image 19
Contents Operators Manual Introduction Table of ContentsRead ALL Instructions General Safety RulesSpecific Safety Rules for Trimmer USE Specific Safety RulesSymbol Name Explanation SymbolsSymbol Signal Meaning ServicePacking List SpecificationsUnpacking InstructionsTrimlite model UT20004, UT20005 FeaturesTrim ‘n Edge model UT20024, UT20025 Front Handle AssemblySee Figure See Figures 5 Straight Shaft Grass Deflector Easy ReachFueling and Refueling the Trimmer OperationOperating the Trimmer CUT OFF Blade Trimlite and Trim ‘N EdgeAdvancing the String Advancing the String ManuallySee Figures 10 Edger Guide Operation Trim ‘N Edge onlyTo Stop the Engine Starting and StoppingSee To Start a Cold EngineSee Figures 14 MaintenanceSpool Replacement NEW Prewound SpoolCleaning the Exhaust Port and Muffler Spark Arrestor String ReplacementSee Figures 16 Storage 1 Month or Longer Replacing and Cleaning AIR FilterFuel CAP Spark PlugProblem Possible Cause Solution TroubleshootingTroubleshooting Limited Warranty Statement WarrantyManufacturers Warranty Coverage Emissions Maintenance Schedule and Warranted Parts List Homelite Consumer PRODUCTS, INC

UT20005, UT20004, UT20025, UT20024, UT20045 specifications

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