Manuals / Husqvarna / Lawn and Garden / Chainsaw

Husqvarna 340, 345, 346XP,350, 351, 353 manual Special tools, English

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

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Husqvarna 340, 345, 346XP,350, 351, 353 manual Special tools, English

Contents

English 340 345 346XP 350Workshop manual Appendix A, Carburettor - EPA models ContentsWorkshop manual Husqvarna 340/345/346XP/350/351/353 Repairing a specific sub-assembly TroubleshootingIntroduction Arrangement of the manualSpecial instructions Safety regulationsGeneral instructions 4 - English Special tools20 a Special tools20 b 20 c 6 - English Technical dataTechnical data Carburettor Construction and functionIn part throttle mode the throttle valve F is par- tially open. Fuel is supplied through the diffuser jets Construction and functionStarting TroubleshootingIdling low rpm Idling low rpm contTroubleshooting Troubleshooting methodsHigh rpm Acceleration and retardationChain brake - dismantling Cleaning and inspectionRepair instructions Repair instructions Chain brake - reassemblyOperating test Silencer - removal Chain catcher - replacementSilencer - refitting 2 RefitStop switch - resistance measurement Stop switch - removalCleaning and inspection Repair instructionsRepair instructions Stop switch - refittingChoke control - removal Throttle lock, throttle trigger and return spring - removal Choke control - refittingThrottle lock, throttle trigger and return spring - refitting Cleaning and inspectionGenerator - troubleshooting Front hand grip - troubleshootingSwitch - troubleshooting Rear hand grip heater - troubleshootingTroubleshooting Front handle heater Troubleshooting carburettor heater 346XPG, 351G, 353GSwitch OperationHand grip heater on model 346XPG, 351G, 353G - refitting Heater element and rear hand grip - removalHeater element and rear hand grip - removal Repair instructionsReplacing a broken or worn starter cord Starter assembly - removalCleaning and inspection Repair instructionsTensioning the recoil spring Starter assembly - refittingReplacing a worn recoil spring Repair instructionsIgnition module/flywheel - removal Ignition module - testingModel 346XP Cleaning and inspectionGenerator - refitting Replacing the generator, model 346XPRepair instructions 24 - EnglishRepair instructions Ignition module and flywheel - refitting0,3 mm Centrifugal clutch - removal Inspection and cleaningCentrifugal clutch - refitting Min 65mmModel Oil pump - removal 346XP, 350Repair instructions ModelOil pump -refitting 346XP, 350 Oil pump - removalCleaning and inspection Repair instructionsModel Oil pump -refittingRepair instructions A C B Adjustable oil pump - adjustment 346XPCarburettor - removal Repair instructionsRepair instructions Carburettor - dismantlingOn saws with a carburettor heater 346XPG, 351G, 353G Cleaning and inspection Carburettor - reassemblyRepair instructions 32 - EnglishCarburettor - refitting Carburettor - pressure testingOn saws with a carburettor heater 346XPG, 351G, 353G Repair instructionsRepair instructions Carburettor heater 346XP, 351, 353 - RefittingCleaning and inspection Air intake system - removalRepair instructions The air intake system comprises inlet manifoldRepair instructions Air intake system - refittingBasic settings and running in Carburettor - adjustmentThe factory settings are H = 1 turn and L = 1 turn Fine adjustmentCarburettor - correct adjustment Fine adjustment of idling speed TFuel tank - removal High speed jet HReplacing the fuel hose Replacing the fuel filterCleaning and inspection Repair instructionsRepair instructions Tank vent - testingFuel tank - refitting Models Piston and cylinder - removalIf replacing the cylinder Repair instructionsCleaning and inspection Decompression valve - pressure testingRepair instructions removal”Repair instructions Piston and cylinder - refitting 346XP, 350, 351Repair instructions Cylinder - pressure testingPiston and cylinder - refitting Repair instructions Crankcase and crankshaft - dismantling 346XPSealing ring - replacement Crankshaft bearings - replacement 346XPSealing ring replacement - drive side Crankshaft complete - dismantling 340Crankcase and crankshaft - reassembly 346XP Crankshaft bearings 340, 345, 350 - replacementTake care to avoid damaging the crank- case Cleaning and inspection48 - English Crankshaft complete 340, 345, 350 - reassemblyRepair instructions Guide bar bolts - replacement Repairing damaged threadsThread insert Repair instructionsNOTE! Before making any adjustments the following must be done Basic adjustment for EPA II carburetorsReplacement of the L-needle 2. Check that2003W12 114 01