Manuals / Husqvarna / Lawn and Garden / Chainsaw

Husqvarna 965030296, 965030298, 1018855-26 manual Lubrication System, Cleaning and Inspection

Models: 1018855-26 965030296 965030298

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LUBRICATION SYSTEM

Cleaning and Inspection

Clean all parts and check the following when appropriate to the saw in question.

That the taper on the adjuster screw shows no signs of wear.

That the pump piston's eccentric face does not show signs of wear.

That the pump piston's pinion gear is undamaged.

That the worm gear on the oil pump drive is undamaged.

That all seals are undamaged.

The oil pipe is not blocked and the filter screen is clean.

76 – English

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Husqvarna 965030296, 965030298, 1018855-26 manual Lubrication System, Cleaning and Inspection

Contents

Workshop Manual Husqvarna Chain Saws101 LIST OF CONTENTS Air filterTank unit Anti-vibration systemSafety UpdatesINTRODUCTION GeneralDismantling and reassembly of the entire chain saw Repair of a specific sub-assemblyINTRODUCTION General Instructions SAFETY REGULATIONSSpecial 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 EnglishCharacter key SERVICE DATA Saws 42, 242 and22 - 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 EnglishCharacter key SERVICE DATA30 - English SERVICE DATA EnglishCharacter key SERVICE DATA Saws 61, 268 and32 - English SERVICE DATA EnglishCharacter key SERVICE DATA Saws 281 and34 - English SERVICE DATA EnglishCharacter key SERVICE DATA36 - English SERVICE DATA 20-22,5 10-12 12-1430-40 2-3 3-5 5-6Character key SERVICE DATA Saw38 - 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 - EnglishSAFETY EQUIPMENT Checking brake operationThe engine should not be running during the test Description SAFETY EQUIPMENT Chain catcherReplacing 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 - EnglishDismantling STARTERWear protective glasses Changing the ferrule Cleaning and InspectionSTARTER Remove the parts of the old ferruleAssembly STARTERCheck the cord tension STARTER60 - 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 DismantlingClean all parts and inspect the following Cleaning and InspectionCENTRIFUGAL CLUTCH CENTRIFUGAL CLUTCH AssemblyNOTE! The bearing can also be greased later through the hole on the crankshaft Dismantling LUBRICATION SYSTEM70 - English LUBRICATION SYSTEM LUBRICATION SYSTEM 72 - English40/45 51/55LUBRICATION SYSTEM 36/4140/45 LUBRICATION SYSTEM74 - 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 removedThat the taper on the adjuster screw shows no signs of wear Cleaning and InspectionLUBRICATION SYSTEM Assembling the oil pump Assembling the worm gearLUBRICATION 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 - EnglishWalbro HDA and HD Tillotson HS 260 ACARBURETTOR Walbro WJ Walbro WGCARBURETTOR 88 - EnglishZAMA C1Q-EL1 Walbro WTCARBURETTOR 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 hazardsTillotson HS 228 B CARBURETTOR92 - English CARBURETTOR Tillotson HS 255 BTillotson HS 260 A CARBURETTOR94 - English Walbro HDA och HD CARBURETTORWalbro WJ CARBURETTOR96 - English CARBURETTOR Walbro WGWalbro WT CARBURETTOR98 - 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 foamMain filter AIR FILTER102 - English TANK UNIT Cleaning and InspectionDismantling The fuel used in the chain saw poses the following hazardsBolts placed at TANK UNIT262XP 268KTANK UNIT AssemblyEnsure that the fuel pipe and throttle cable are not damaged ANTI-VIBRATION SYSTEM DescriptionDismantling 106 - EnglishAssembly ANTI-VIBRATION SYSTEMDismantling PISTON AND CYLINDER108 - English PISTON AND CYLINDER Cleaning and Inspection1. 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 cylinderDismantling CRANKCASE AND CRANKSHAFTEnsure that no dirt or foreign particles enter the bearings CRANKCASE AND CRANKSHAFT CRANKCASE AND CRANKSHAFT Cleaning and Inspection116 - English CRANKCASE AND CRANKSHAFT AssemblyEnsure 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 crankcaseEnsure that dirt and foreign particles do not enter the bearing CRANKCASE AND CRANKSHAFT120 - English Bar bolts CRANKCASE AND CRANKSHAFTCRANKCASE AND CRANKSHAFT Changing the sealsDismantling Assembly CRANKCASE AND CRANKSHAFTCRANKCASE AND CRANKSHAFT 3.5 mm42, 242, 246 1 mm 3120