Manuals / Husqvarna / Lawn and Garden / Brush Cutter

Husqvarna 343F, 345FX, 345FXT, 343R, 345RX Change the bearings in the clutch housing if necessary

Models: 343F, 345FX, 345FXT, 343R, 345RX

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Centrifugal clutch

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Change the bearings in the clutch housing if necessary.

505 38 17-09

Change the bearings in the clutch housing if necessary.

Remove the circlip and push out the bearings with a suitable punch and hammer.

Dismantling is easier if the clutch housing is heated to about 110°C.

Assemble in the reverse order as set out for dismantling.

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Image 36

Husqvarna 343F, 345FX, 345FXT, 343R, 345RX manual Change the bearings in the clutch housing if necessary

Contents

English Model 343R, 345RX, 343F, 345FX, 345FXT Contents Workshop Manual Brushcutter, Trimmer General recommendations Contents Starter 1Starter Dismantling Assembly Starter Replacing the drive dogs Electrical system Electrical system Checking the ignition spark502 71 Tip Replacing the spark Plug cover 502 50 502 54 Drive dogs Heated handles Wiring diagram Electrical system Fuel system Fuel system Air filter Tank venting Fuel filter Fuel pump CarburettorDismantling Carburettor’s design Metering unitBlending unit Pump unit Dismantling the carburettor Fuel system Positioned For example, the H-needle is aLittle shorter than the L-needle Assembling the carburettor H-needle is a little shorter Than the L-needleCheck carefully that the fuel hoses Are not bent or pinched when Carburettor settings Basic settingFine adjustment Setting Recommended max. speed must not be exceeded Correctly adjusted carburettorTachometer should always be used to find the optimal Idling speed T-screw Carburettor adjustment 345RX/FX Adjusting the L-needle Adjusting the H-needleThrottle Rotating Check for wear on pins a and B Tip Page Centrifugal clutch Centrifugal clutch 502 21 Centrifugal clutch Do not lose the sleeve bearings found in the clutch shoes Clutch drum 502 11 Change the bearings in the clutch housing if necessary Page Angle gear Angle gear Let the small circlip around the axle remain 503 97 Input axle with pinion must be dismantled first Shaft 503 80 Cylinder and piston Cylinder and piston Turn the valve the right way when fitting When the valve is fitted the small hole must face outwardsDecompression valve Cleaning, inspection Inlet manifold Analysis and actions Insufficient lubricationCause Action Piston scoring caused by heavy carbon deposits Piston damage caused by a too high engine speed Piston ring breakage Foreign objects Cause Service tips Defect Action Wear tolerances Crankshaft and crankcase Crankshaft and crankcase Crankshaft and crankcase 502 52 Inspecting Crankshaft Assembly Leakage testing Crankcase Press down the sealing plates asFar as possible between the bolts To ensure a proper seal Husqvarna E-Tech 503 55