English | Husqvarna 343F, 345FX, 345FXT, 343R, 345RX instruction

Workshop manual

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

English

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Husqvarna 343F, 345FX, 345FXT, 343R, 345RX manual English

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 Than the L-needle H-needle is a little shorterCheck carefully that the fuel hoses Are not bent or pinched when Basic setting Carburettor settingsFine adjustment Correctly adjusted carburettor Setting Recommended max. speed must not be exceededTachometer should always be used to find the optimal Idling speed T-screw Adjusting the L-needle Adjusting the H-needle Carburettor adjustment 345RX/FXThrottle Rotating 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 Press down the sealing plates as Leakage testing CrankcaseFar as possible between the bolts To ensure a proper seal 503 55 Husqvarna E-Tech