Manuals / Husqvarna / Lawn and Garden / Chainsaw

Husqvarna 340, 345, 346XP,350, 351, 353 manual 114 01, 2003W12

Models: 340, 345, 346XP,350, 351, 353

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Husqvarna 340, 345, 346XP,350, 351, 353 manual 114 01, 2003W12

Contents

Workshop manual 340 345 346XP 350English Workshop manual Husqvarna 340/345/346XP/350/351/353 ContentsAppendix A, Carburettor - EPA models Troubleshooting Repairing a specific sub-assemblyIntroduction Arrangement of the manualGeneral instructions Safety regulationsSpecial instructions Special tools 4 - English20 b 20 c Special tools20 a Technical data 6 - EnglishTechnical data Construction and function CarburettorConstruction and function In part throttle mode the throttle valve F is par- tially open. Fuel is supplied through the diffuser jetsTroubleshooting StartingIdling low rpm Idling low rpm contTroubleshooting methods TroubleshootingHigh rpm Acceleration and retardationRepair instructions Cleaning and inspectionChain brake - dismantling Operating test Chain brake - reassemblyRepair instructions Chain catcher - replacement Silencer - removalSilencer - refitting 2 RefitStop switch - removal Stop switch - resistance measurementCleaning and inspection Repair instructionsChoke control - removal Stop switch - refittingRepair instructions Choke control - refitting Throttle lock, throttle trigger and return spring - removalThrottle lock, throttle trigger and return spring - refitting Cleaning and inspectionFront hand grip - troubleshooting Generator - troubleshootingSwitch - troubleshooting Rear hand grip heater - troubleshootingTroubleshooting carburettor heater 346XPG, 351G, 353G Troubleshooting Front handle heaterSwitch OperationHeater element and rear hand grip - removal Hand grip heater on model 346XPG, 351G, 353G - refittingHeater element and rear hand grip - removal Repair instructionsStarter assembly - removal Replacing a broken or worn starter cordCleaning and inspection Repair instructionsStarter assembly - refitting Tensioning the recoil springReplacing a worn recoil spring Repair instructionsIgnition module - testing Ignition module/flywheel - removalModel 346XP Cleaning and inspectionReplacing the generator, model 346XP Generator - refittingRepair instructions 24 - English0,3 mm Ignition module and flywheel - refittingRepair instructions Inspection and cleaning Centrifugal clutch - removalCentrifugal clutch - refitting Min 65mmOil pump - removal 346XP, 350 ModelRepair instructions ModelOil pump - removal Oil pump -refitting 346XP, 350Cleaning and inspection Repair instructionsRepair instructions Oil pump -refittingModel Adjustable oil pump - adjustment 346XP A C BCarburettor - removal Repair instructionsOn saws with a carburettor heater 346XPG, 351G, 353G Carburettor - dismantlingRepair instructions Carburettor - reassembly Cleaning and inspectionRepair instructions 32 - EnglishCarburettor - pressure testing Carburettor - refittingOn saws with a carburettor heater 346XPG, 351G, 353G Repair instructionsCarburettor heater 346XP, 351, 353 - Refitting Repair instructionsAir intake system - removal Cleaning and inspectionRepair instructions The air intake system comprises inlet manifoldAir intake system - refitting Repair instructionsCarburettor - adjustment Basic settings and running inThe factory settings are H = 1 turn and L = 1 turn Fine adjustmentFine adjustment of idling speed T Carburettor - correct adjustmentFuel tank - removal High speed jet HReplacing the fuel filter Replacing the fuel hoseCleaning and inspection Repair instructionsFuel tank - refitting Tank vent - testingRepair instructions Piston and cylinder - removal ModelsIf replacing the cylinder Repair instructionsDecompression valve - pressure testing Cleaning and inspectionRepair instructions removal”Piston and cylinder - refitting 346XP, 350, 351 Repair instructionsPiston and cylinder - refitting Cylinder - pressure testingRepair instructions Crankcase and crankshaft - dismantling 346XP Repair instructionsCrankshaft bearings - replacement 346XP Sealing ring - replacementSealing ring replacement - drive side Crankshaft complete - dismantling 340Crankshaft bearings 340, 345, 350 - replacement Crankcase and crankshaft - reassembly 346XPTake care to avoid damaging the crank- case Cleaning and inspectionRepair instructions Crankshaft complete 340, 345, 350 - reassembly48 - English Repairing damaged threads Guide bar bolts - replacementThread insert Repair instructionsBasic adjustment for EPA II carburetors NOTE! Before making any adjustments the following must be doneReplacement of the L-needle 2. Check that114 01 2003W12