Manuals / Husqvarna / Lawn and Garden / Chainsaw

Husqvarna 965030298, 965030296, 1018855-26 manual Crankcase And Crankshaft, English

Models: 1018855-26 965030296 965030298

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Page 120

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CRANKCASE AND CRANKSHAFT

Saws 40 and 45.

NOTE!

Ensure that dirt and foreign particles do not enter the bearing.

Fit the bearing on the crankshaft by using the assembly tool. See ”Tools”.

Check the shaft seat’s sealing (A).

Fit the shaft seat over the bearing and join the shaft seat at (B).

Continue assembly as described on page 111.

120 – English

Page 120

Image 120

Husqvarna 965030298 Crankcase And Crankshaft, Ensure that dirt and foreign particles do not enter the bearing, English

Contents

Husqvarna Chain Saws Workshop Manual101 LIST OF CONTENTS Air filterTank unit Anti-vibration systemSafety UpdatesINTRODUCTION GeneralRepair of a specific sub-assembly Dismantling and reassembly of the entire chain sawINTRODUCTION SAFETY REGULATIONS General InstructionsSpecial instructions TECHNICAL DATA 6 - EnglishTECHNICAL DATA TECHNICAL DATA 8 - EnglishTECHNICAL DATA TECHNICAL DATA 10 - EnglishTECHNICAL DATA TECHNICAL DATA 12 - EnglishTECHNICAL DATA TOOLS Tools for all chain saws502 50 57-01 3/16 502 50 16-01 6 mm 502 50 64-01 5 mm 502 50 18-01 4 mm 502 50 19-01 3 mm 502 50 88-01 5 mmTools for saws 36 and Tools for saws 40, 45, 51 andTOOLS compl 502 50Tools for saws 42, 242 and Tools for saws 254, 257 andTOOLS compl 502 51Tools for saws 61, 268 and Tools for saws 281 andTOOLS compl 502 51Tools for saws 394 and TOOLS3 mm 4 mm 5 mm 3/16 8 mm 10 mm 502 50 compl 502 51List of tools TOOLSOrder number DesignationSERVICE DATA Saws 36 and Character keySERVICE DATA EnglishSERVICE DATA Saws 42, 242 and Character key22 - English SERVICE DATA EnglishSaws 40 and SERVICE DATACharacter key 24 - EnglishSERVICE DATA EnglishSaws 51 and SERVICE DATACharacter key 26 - EnglishSERVICE DATA 3-4EnglishSERVICE DATA Saws 254 and 5254Character key 28 - EnglishSERVICE DATA EnglishSERVICE DATA Character key30 - English SERVICE DATA EnglishSERVICE DATA Saws 61, 268 and Character key32 - English SERVICE DATA EnglishSERVICE DATA Saws 281 and Character key34 - English SERVICE DATA EnglishSERVICE DATA Character key36 - English SERVICE DATA 20-22,5 10-12 12-1430-40 2-3 3-5 5-6SERVICE DATA Saw Character key38 - English SERVICE DATA EnglishTROUBLE SHOOTING Trouble shooting schematic StartingIdling low rpm Idling low rpm contTROUBLE SHOOTING Trouble shooting methodsHigh rpm Acceleration and retardationSAFETY EQUIPMENT Chain brakeDismantling Wear protective glassesSAFETY EQUIPMENT Cleaning and Inspection AssemblySAFETY EQUIPMENT 44 - EnglishSAFETY EQUIPMENT SAFETY EQUIPMENT 46 - EnglishChecking brake operation SAFETY EQUIPMENTThe engine should not be running during the test SAFETY EQUIPMENT Chain catcher DescriptionReplacing Muffler SAFETY EQUIPMENTDismantling Do not touch the muffler until it has cooled. Risk of burnsSAFETY EQUIPMENT Cleaning and InspectionAssembly when working on a catalytic converterWARNINGSAFETY EQUIPMENT Stop switch Cleaning and InspectionAssembly DismantlingThrottle lock SAFETY EQUIPMENTDismantling The fuel used in the chain saw poses the following hazardsSAFETY EQUIPMENT Cleaning and inspection SAFETY EQUIPMENTClean all parts Check that the springs, where fitted, areSAFETY EQUIPMENT AssemblyThe fuel used in the chain saw poses the following hazards 1. The liquid and its vapours are poisonousSAFETY EQUIPMENT 56 - EnglishSTARTER DismantlingWear protective glasses Changing the ferrule Cleaning and InspectionSTARTER Remove the parts of the old ferruleAssembly STARTERSTARTER Check the cord tension60 - English ELECTRICAL SYSTEM Ignition system DismantlingELECTRICAL SYSTEM Cleaning and Inspection AssemblyClean all parts, especially the flywheel and shaft taper ELECTRICAL SYSTEMStop switch Fitting the spark plug coverELECTRICAL SYSTEM 64 - EnglishTrouble shooting Handle heatingELECTRICAL SYSTEM DescriptionChecking the power switch ELECTRICAL SYSTEMChecking the generator Checking the heat loops in the rear handlesCENTRIFUGAL CLUTCH DismantlingCleaning and Inspection Clean all parts and inspect the followingCENTRIFUGAL CLUTCH Assembly CENTRIFUGAL CLUTCHNOTE! The bearing can also be greased later through the hole on the crankshaft LUBRICATION SYSTEM Dismantling70 - English LUBRICATION SYSTEM LUBRICATION SYSTEM 72 - English40/45 51/55LUBRICATION SYSTEM 36/41LUBRICATION SYSTEM 40/4574 - English Dismantling the oil pumps worm gear LUBRICATION SYSTEMFirst screw the tool onto the entire worm gear Turn the screw until the worm gear is removedCleaning and Inspection That the taper on the adjuster screw shows no signs of wearLUBRICATION SYSTEM Assembling the worm gear Assembling the oil pumpLUBRICATION SYSTEM LUBRICATION SYSTEM 78 - EnglishLUBRICATION SYSTEM LUBRICATION SYSTEM Saws 42, 61, 242, 246, 254, 257, 262, 268, 272, 281, 288, 394 and36/41 50/51LUBRICATION SYSTEM 40/45LUBRICATION SYSTEM 40/4551/55 82 - EnglishCARBURETTOR DescriptionDesign The fuel used in the chain saw poses the following hazardsCARBURETTOR OperationCARBURETTOR DismantlingThe fuel used in the chain saw poses the following hazards 1. The liquid and its vapours are poisonousTillotson HS 228 B Tillotson HS 255 BCARBURETTOR 86 - EnglishTillotson HS 260 A Walbro HDA and HDCARBURETTOR Walbro WJ Walbro WGCARBURETTOR 88 - EnglishWalbro WT ZAMA C1Q-EL1CARBURETTOR Cleaning and Inspection CARBURETTORThe fuel used in the chain saw poses the following hazards 1. The liquid and its vapours are poisonousAssembly CARBURETTORPlugs The fuel used in the chain saw poses the following hazardsCARBURETTOR Tillotson HS 228 B92 - English CARBURETTOR Tillotson HS 255 BCARBURETTOR Tillotson HS 260 A94 - English Walbro HDA och HD CARBURETTORCARBURETTOR Walbro WJ96 - English CARBURETTOR Walbro WGCARBURETTOR Walbro WT98 - English CARBURETTOR ZAMA C1Q-EL1Pressure testing Refitting onto chain sawCARBURETTOR The fuel used in the chain saw poses the following hazardsAIR FILTER 268K, 272K and 272SPrefilter Compressed air at a high pressure can damage the foamAIR FILTER Main filter102 - English TANK UNIT Cleaning and InspectionDismantling The fuel used in the chain saw poses the following hazardsBolts placed at TANK UNIT262XP 268KAssembly TANK UNITEnsure that the fuel pipe and throttle cable are not damaged ANTI-VIBRATION SYSTEM DescriptionDismantling 106 - EnglishAssembly ANTI-VIBRATION SYSTEMPISTON AND CYLINDER Dismantling108 - English Cleaning and Inspection PISTON AND CYLINDER1. The piston crown 2. The top of the cylinder bore Faults and causes PISTON AND CYLINDERAssembly PISTON AND CYLINDERPISTON AND CYLINDER 112 - EnglishPressure testing PISTON AND CYLINDERDecompression valve Crankcase and cylinderCRANKCASE AND CRANKSHAFT DismantlingEnsure that no dirt or foreign particles enter the bearings CRANKCASE AND CRANKSHAFT Cleaning and Inspection CRANKCASE AND CRANKSHAFT116 - English Assembly CRANKCASE AND CRANKSHAFTEnsure that dirt and foreign particles do not enter the bearing CRANKCASE AND CRANKSHAFT 118 - EnglishCRANKCASE AND CRANKSHAFT Ensure excess gasket material does not fall into the crankcaseCRANKCASE AND CRANKSHAFT Ensure that dirt and foreign particles do not enter the bearing120 - English Bar bolts CRANKCASE AND CRANKSHAFTChanging the seals CRANKCASE AND CRANKSHAFTDismantling Assembly CRANKCASE AND CRANKSHAFTCRANKCASE AND CRANKSHAFT 3.5 mm42, 242, 246 1 mm 3120