Homelite UT70127 manual Troubleshooting

Page 20

TROUBLESHOOTING

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

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

 

Engine will not start:

1. No spark.

1. Check spark. Remove sparking plug. Reattach

 

 

the sparking plug cap and lay sparking plug on

 

 

metal cylinder. Pull the starter rope and watch

 

 

for spark at sparking plug tip. If there is no

 

 

spark, repeat test with a new sparking plug.

 

2. No fuel.

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 (see

 

 

next item).

 

3. Flooded engine.

3. Remove sparking plug, turn trimmer so

 

 

sparking plug hole is aimed at the ground.

 

 

Make sure lever is in the “WARM START”

 

 

position and pull starter cord 10 to 14 times.

 

 

This will clear excess fuel from engine. Clean

 

 

and reinstall sparking plug. With the throttle

 

 

trigger fully depressed, pull starter cord three

 

 

times with lever at “WARM START” position. If

 

 

engine does not start, move choke lever to

 

 

“COLD START” and follow normal starting

 

 

instructions in “STARTING AND STOPPING”

 

 

section. If engine still fails to start, repeat

 

4. Starter rope pulls harder now than

procedure with a new sparking plug.

 

when new.

4. Contact a service dealer.

 

 

 

 

Lever will not go into the

Throttle trigger is depressed.

Release throttle trigger. Refer to “Starting and

“COLD START” position:

 

Stopping” earlier in this manual.

 

 

 

 

Engine starts but will not

Carburettor requires adjustment.

*Turn “L” needle anticlockwise 1/16 turn. If “L” low

accelerate:

 

needle cannot be turned anticlockwise; do not force

 

 

plastic limiter caps. Contact a service dealer. See

 

 

Figure 27.

 

 

 

 

 

Engine does not reach full speed and emits excessive smoke:

1.Check oil fuel mixture.

2.Air filter dirty.

3.Carburettor requires adjustment.

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

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

3.Turn “H” needle clockwise 1/16 - 1/8 turn. See Figure 27.

Engine starts, runs, and ac-

Carburettor requires adjustment.

Turn idle speed screw clockwise to increase

celerates but will not idle:

 

idle speed. See Figure 27.

 

 

 

Blade continues to rotate at

Carburettor requires adjustment.

Turn idle speed screw anticlockwise to reduce

idle speed:

 

idle speed. See Figure 27. If after adjustment,

 

 

blade continues to rotate, return to an authorised

 

 

service dealer for repair.

 

 

 

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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 Vibration level racingFeatures UnpackingInstructions Packing List for OWNER’S KITAssembly Attaching the Power Head to the Trimmer AttachmentRemoving the Attachment from the Power Head Attaching the Storage HangerFront Handle Clamp Quick Release TAB Bolt Front HandleAttaching the Shoulder Strap Silencer Guard Assembly Rear HousingGrass Deflector and Blade Guard USE TorqueDrive 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 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 18String Replacement Blade ProtectorSlot Spring Spool Arrows on Anchor Hole First StringCleaning the Exhaust Port and Silencer Replacing and Cleaning AIR FilterSpark Arrester See Figures 25Sparking Plug Fuel CAPStorage 1 Month or Longer Troubleshooting Idle Speed Screw Needle Warranty Safety DirectiveGuarantee Statement Rtsa / Rtuk / RTG Sound Pressure Sound Power Vibration Model Model noPage Ryobi Technologies GmbH