Husqvarna 143R-II Maintenance, Carburettor, Muffler, Cooling system, Adjusting the idle speed T

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MAINTENANCE

MAINTENANCE

Carburettor

Adjusting the idle speed (T)

Check that the air filter is clean. When the idle speed is correct, the cutting attachment should not rotate. If adjustment is required, close (turn clockwise) the idle adjustment screw T, with the engine running, until the cutting attachment starts to rotate. Open (turn anticlockwise) the screw until the cutting attachment stops. The idle speed is correctly set when the engine runs smoothly in all positions, and there is a clear margin to the speed at which the cutting attachment starts to rotate.

Note: The machine should only be run for short periods at its highest speed.

WARNING! If the idle speed cannot be

! adjusted so that the cutting attachment stops, contact your dealer/service workshop. Do not use the machine until it has been correctly adjusted or repaired.

Muffler

CAUTION!

The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator. The exhaust gases are hot and can contain sparks, which may cause fire if directed against dry and combustible material.

Procedures to be performed after every 100 hours of use

1Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon builup. Wipe away any carbon buildup on the muffler exhaust vent and cylinder exhaust vent at the same time.

2Tighten all screws, bolts and fittings.

3Check to see if any oil or grease has worked its way in between the clutch lining and drum, and if it has, wipe it away using oil-free, lead-free gasoline.

CAUTION! Never use a machine with a defective muffler.

Cooling system

To keep the working temperature as low as possible the machine is equipped with a cooling system.

The cooling system consists of:

1Cooling fins on the cylinder.

2Air intake / cooling vent (back)

Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder.

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Contents Page ensure, while working, that no KEY TO SYMBOLSSymbols The operator of the machine mustCONTENTS CONTENTSContents KEY TO SYMBOLSINTRODUCTION What is what on the brushcutter? WHAT IS WHAT?WARNING! The ignition system of this GENERAL SAFETY PRECAUTIONSWARNING! Listen out for warning signals Personal protective equipmentWARNING! Never use a machine with Machine′s safety equipmentThrottle lockout WARNING! Never use a cutting Stop switchCutting attachment guard Vibration damping systemWARNING! The inside of the muffler Quick releaseMuffler Locking nutSharpening grass cutters and grass blades WARNING! Using an incorrect cuttingCutting equipment Cutting equipmentTrimmer head Assembling the handlebar and throttle ASSEMBLYConnecting throttle cable and stop switch wires Fitting the main body1-2mm Fitting blades and trimmer headsH L M C BA AM L Fitting the guard extensionFitting the trimmer guard and trimmer head G E F D B CStandard harness Adjusting the harness and clearing sawWARNING! When using a clearing saw it Fitting the transport guardFuel Fuel safetyWARNING! Take care when handling fuel FUEL HANDLINGWARNING! Taking the following precautions, will lessen the risk of fireFuelling MixingStarting STARTING AND STOPPINGCheck before starting Starting and stoppingstarter cord around your hand WARNING! When the engine is startedStopping WARNING! Neither the operator of the Basic safety rulesWORKING TECHNIQUES General working instructionsWARNING! Sometimes branches or Grass clearing using a grass bladeBasic working techniques Grass trimming with a trimmer headSweeping CuttingMuffler MAINTENANCEAdjusting the idle speed T CarburettorBevel gear Cleaning the air filterAir filter Fuel filterDaily Maintenance scheduleMaintenance maintenanceWeight TECHNICAL DATATechnical data Technical dataType Approved accessoriesEC-declarationof conformity Applies to Europe onlyPage 2,4-2,7 mm 8,5 m 28 10 cm 4,2 mClic 15 cm4,25 m 2,4-2,7mm095-.106 8,5 m 28 10 cm 4,3 m T35, T35x2,7-3,3 mm T45, T45x10 m 32 10 cm 4,3 m C 15 cm T55xA 2,7 - 4,0 mm B 8 m / 26’12 cm Trimmy SII095-.130 7,0 m