Manuals / Husqvarna / Lawn and Garden / Chainsaw

Husqvarna 1018855-26, 965030298, 965030296 manual SERVICE DATA Saw, Character key, English

Models: 1018855-26 965030296 965030298

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SERVICE DATA

●Saw 3120

▲

■

●5

●

▲

●

Character key

Numbers by components that are bolted refer to the tightening torque in Nm.

▲= Lubricate using two-stroke oil. ■ = Lubricate using saw chain oil. ● = Lubricate using grease.

= Locking fluid (Loctite).

●

38 – English

Page 38

Image 38

Husqvarna 1018855-26, 965030298, 965030296 manual SERVICE DATA Saw, Character key, English

Contents

101 Husqvarna Chain SawsWorkshop Manual Tank unit LIST OF CONTENTSAir filter Anti-vibration systemINTRODUCTION SafetyUpdates GeneralINTRODUCTION Repair of a specific sub-assemblyDismantling and reassembly of the entire chain saw Special instructions SAFETY REGULATIONSGeneral Instructions TECHNICAL DATA 6 - EnglishTECHNICAL DATA TECHNICAL DATA 8 - EnglishTECHNICAL DATA TECHNICAL DATA 10 - EnglishTECHNICAL DATA TECHNICAL DATA 12 - EnglishTECHNICAL DATA 502 50 57-01 3/16 502 50 16-01 6 mm 502 50 64-01 5 mm TOOLSTools for all chain saws 502 50 18-01 4 mm 502 50 19-01 3 mm 502 50 88-01 5 mmTOOLS Tools for saws 36 andTools for saws 40, 45, 51 and compl 502 50TOOLS Tools for saws 42, 242 andTools for saws 254, 257 and compl 502 51TOOLS Tools for saws 61, 268 andTools for saws 281 and compl 502 513 mm 4 mm 5 mm 3/16 8 mm 10 mm 502 50 Tools for saws 394 andTOOLS compl 502 51Order number List of toolsTOOLS DesignationSERVICE DATA Saws 36 and Character keySERVICE DATA English22 - English SERVICE DATA Saws 42, 242 andCharacter key SERVICE DATA EnglishCharacter key Saws 40 andSERVICE DATA 24 - EnglishSERVICE DATA EnglishCharacter key Saws 51 andSERVICE DATA 26 - EnglishSERVICE DATA 3-4EnglishCharacter key SERVICE DATA Saws 254 and5254 28 - EnglishSERVICE DATA English30 - English SERVICE DATACharacter key SERVICE DATA English32 - English SERVICE DATA Saws 61, 268 andCharacter key SERVICE DATA English34 - English SERVICE DATA Saws 281 andCharacter key SERVICE DATA English36 - English SERVICE DATACharacter key 30-40 2-3 SERVICE DATA20-22,5 10-12 12-14 3-5 5-638 - English SERVICE DATA SawCharacter key SERVICE DATA EnglishIdling low rpm TROUBLE SHOOTING Trouble shooting schematicStarting Idling low rpm contHigh rpm TROUBLE SHOOTINGTrouble shooting methods Acceleration and retardationDismantling SAFETY EQUIPMENTChain brake Wear protective glassesSAFETY EQUIPMENT SAFETY EQUIPMENT Cleaning and InspectionAssembly 44 - EnglishSAFETY EQUIPMENT SAFETY EQUIPMENT 46 - EnglishThe engine should not be running during the test Checking brake operationSAFETY EQUIPMENT Replacing SAFETY EQUIPMENT Chain catcherDescription Dismantling MufflerSAFETY EQUIPMENT Do not touch the muffler until it has cooled. Risk of burnsAssembly SAFETY EQUIPMENTCleaning and Inspection when working on a catalytic converterWARNINGAssembly SAFETY EQUIPMENT Stop switchCleaning and Inspection DismantlingDismantling Throttle lockSAFETY EQUIPMENT The fuel used in the chain saw poses the following hazardsSAFETY EQUIPMENT Clean all parts Cleaning and inspectionSAFETY EQUIPMENT Check that the springs, where fitted, areThe fuel used in the chain saw poses the following hazards SAFETY EQUIPMENTAssembly 1. The liquid and its vapours are poisonousSAFETY EQUIPMENT 56 - EnglishWear protective glasses STARTERDismantling STARTER Changing the ferruleCleaning and Inspection Remove the parts of the old ferruleAssembly STARTER60 - English STARTERCheck the cord tension ELECTRICAL SYSTEM Ignition system DismantlingELECTRICAL SYSTEM Clean all parts, especially the flywheel and shaft taper Cleaning and InspectionAssembly ELECTRICAL SYSTEMELECTRICAL SYSTEM Stop switchFitting the spark plug cover 64 - EnglishELECTRICAL SYSTEM Trouble shootingHandle heating DescriptionChecking the generator Checking the power switchELECTRICAL SYSTEM Checking the heat loops in the rear handlesCENTRIFUGAL CLUTCH DismantlingCENTRIFUGAL CLUTCH Cleaning and InspectionClean all parts and inspect the following NOTE! The bearing can also be greased later through the hole on the crankshaft AssemblyCENTRIFUGAL CLUTCH 70 - English LUBRICATION SYSTEMDismantling LUBRICATION SYSTEM LUBRICATION SYSTEM 72 - EnglishLUBRICATION SYSTEM 40/4551/55 36/4174 - English LUBRICATION SYSTEM40/45 First screw the tool onto the entire worm gear Dismantling the oil pumps worm gearLUBRICATION SYSTEM Turn the screw until the worm gear is removedLUBRICATION SYSTEM Cleaning and InspectionThat the taper on the adjuster screw shows no signs of wear LUBRICATION SYSTEM Assembling the worm gearAssembling the oil pump LUBRICATION SYSTEM 78 - EnglishLUBRICATION SYSTEM LUBRICATION SYSTEM Saws 42, 61, 242, 246, 254, 257, 262, 268, 272, 281, 288, 394 andLUBRICATION SYSTEM 36/4150/51 40/4551/55 LUBRICATION SYSTEM40/45 82 - EnglishDesign CARBURETTORDescription The fuel used in the chain saw poses the following hazardsCARBURETTOR OperationThe fuel used in the chain saw poses the following hazards CARBURETTORDismantling 1. The liquid and its vapours are poisonousCARBURETTOR Tillotson HS 228 BTillotson HS 255 B 86 - EnglishCARBURETTOR Tillotson HS 260 AWalbro HDA and HD CARBURETTOR Walbro WJWalbro WG 88 - EnglishCARBURETTOR Walbro WTZAMA C1Q-EL1 The fuel used in the chain saw poses the following hazards Cleaning and InspectionCARBURETTOR 1. The liquid and its vapours are poisonousPlugs AssemblyCARBURETTOR The fuel used in the chain saw poses the following hazards92 - English CARBURETTORTillotson HS 228 B CARBURETTOR Tillotson HS 255 B94 - English CARBURETTORTillotson HS 260 A Walbro HDA och HD CARBURETTOR96 - English CARBURETTORWalbro WJ CARBURETTOR Walbro WG98 - English CARBURETTORWalbro WT CARBURETTOR ZAMA C1Q-EL1CARBURETTOR Pressure testingRefitting onto chain saw The fuel used in the chain saw poses the following hazardsPrefilter AIR FILTER268K, 272K and 272S Compressed air at a high pressure can damage the foam102 - English AIR FILTERMain filter Dismantling TANK UNITCleaning and Inspection The fuel used in the chain saw poses the following hazards262XP Bolts placed atTANK UNIT 268KEnsure that the fuel pipe and throttle cable are not damaged AssemblyTANK UNIT Dismantling ANTI-VIBRATION SYSTEMDescription 106 - EnglishAssembly ANTI-VIBRATION SYSTEM108 - English PISTON AND CYLINDERDismantling 1. The piston crown 2. The top of the cylinder bore Cleaning and InspectionPISTON AND CYLINDER Faults and causes PISTON AND CYLINDERAssembly PISTON AND CYLINDERPISTON AND CYLINDER 112 - EnglishDecompression valve Pressure testingPISTON AND CYLINDER Crankcase and cylinderEnsure that no dirt or foreign particles enter the bearings CRANKCASE AND CRANKSHAFTDismantling CRANKCASE AND CRANKSHAFT 116 - English Cleaning and InspectionCRANKCASE AND CRANKSHAFT Ensure that dirt and foreign particles do not enter the bearing AssemblyCRANKCASE AND CRANKSHAFT CRANKCASE AND CRANKSHAFT 118 - EnglishCRANKCASE AND CRANKSHAFT Ensure excess gasket material does not fall into the crankcase120 - English CRANKCASE AND CRANKSHAFTEnsure that dirt and foreign particles do not enter the bearing Bar bolts CRANKCASE AND CRANKSHAFTDismantling Changing the sealsCRANKCASE AND CRANKSHAFT Assembly CRANKCASE AND CRANKSHAFT42, 242, 246 1 mm CRANKCASE AND CRANKSHAFT3.5 mm 3120