Husqvarna 343F, 345FX, 345FXT, 343R, 345RX specification

1Starter

Tighten the return spring.

Check the spring tension.

Mount the starter onto the engine.

Replacing the drive dogs

See chapter 2 Ignition system.

Tighten the return spring.

Lift up the starter cord when the return spring is completely loose and the cord pulled out completely.

Then turn the starter pulley anti- clockwise 7 revolutions.

Check the spring tension. With the cord completely pulled out the cord pulley should be able to be turned at least another half revolution.

Mount the starter onto the engine.

Pull out the starter cord a little.

Place the starter in position and release the starter cord at the same time.

Check that the ignition cable is not trapped (see arrow).

Check that the drive dogs grip the starter pulley in the correct way.

Tighten the bolts.

Replacing the drive dogs

See chapter 2 Ignition system.

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Husqvarna 343F, 345FX, 345FXT, 343R, 345RX manual Replacing the drive dogs

Contents

English Workshop Manual Brushcutter, Trimmer Model 343R, 345RX, 343F, 345FX, 345FXT Contents General recommendations Starter Contents Dismantling 1Starter Starter Assembly Replacing the drive dogs Electrical system Checking the ignition spark Electrical system502 71 Tip 502 50 Replacing the spark Plug cover 502 54 Heated handles Drive dogs Wiring diagram Electrical system Fuel system Air filter Fuel system Fuel filter Tank venting Carburettor Fuel pumpDismantling Metering unit Carburettor’s designBlending unit Dismantling the carburettor Pump unit Fuel system For example, the H-needle is a PositionedLittle shorter than the L-needle Assembling the carburettor Are not bent or pinched when H-needle is a little shorterThan the L-needle Check carefully that the fuel hoses Basic setting Carburettor settingsFine adjustment Idling speed T-screw Setting Recommended max. speed must not be exceededCorrectly adjusted carburettor Tachometer should always be used to find the optimal Rotating Carburettor adjustment 345RX/FXAdjusting the L-needle Adjusting the H-needle Throttle Check for wear on pins a and B Tip Page Centrifugal clutch 502 21 Centrifugal clutch Do not lose the sleeve bearings found in the clutch shoes Centrifugal clutch 502 11 Clutch drum Change the bearings in the clutch housing if necessary Page Angle gear Let the small circlip around the axle remain Angle gear Input axle with pinion must be dismantled first 503 97 503 80 Shaft Cylinder and piston Cylinder and piston When the valve is fitted the small hole must face outwards Turn the valve the right way when fittingDecompression valve Inlet manifold Cleaning, inspection Insufficient lubrication Analysis and actionsCause Action Piston scoring caused by heavy carbon deposits Piston ring breakage Piston damage caused by a too high engine speed Cause Foreign objects Defect Action Service tips Wear tolerances Crankshaft and crankcase Crankshaft and crankcase 502 52 Crankshaft and crankcase Inspecting Crankshaft Assembly To ensure a proper seal Leakage testing CrankcasePress down the sealing plates as Far as possible between the bolts 503 55 Husqvarna E-Tech