Husqvarna 966451906 manual Dismantling the ignition module and flywheel

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Repair Instructions

7.6Dismantling the ignition module and flywheel

1

Remove the cylinder cover. Remove the starter. Snap off the ignition cable from the guide rail and remove the guide rail. See figure 7.

Fig 7

2

Knock out a few of the pins in the tool if it does not match up with the flywheel.

Use the tool to hold the flywheel in place while the flywheel nut is loosened using a suitable socket wrench. See figure 8.

Fig 8

4

Thread the mandrel on the crank pin. Screw in until 1-2 threads are left to the flywheel. Knock on the mandrel with a suitable metal hammer while at the same time pulling the flywheel outward until the flywheel comes off the shaft. Remove mandrel and flywheel. See figure 9.

Unscrew the air nozzle to replace the ignition mod- ule. Loosen the screws on the ignition module. See figure 10.

Dismantle the air filter, air filter holder and carburet- tor. See the “Dismantling the carburettor” chapter.

Dismantle the tank unit as outlined in the “Disman- tling the tank unit” chapter.

Dismantle the intake system, see the “Dismantling the intake system” chapter.

Loosen the earth cable. See figure 11. Pull the cables through the openings in the crankcase.

Cleaning and inspection

• Clean all parts, especially the tapers on the flywheel and shafts.

• Check the flywheel for cracks or any other signs of damage.

28 - English

Fig 9

Fig 10

Image 28
Contents 562XP/XPG Page Contents Index Vibration damping system Introduction and safety regulations ContentsIntroduction and safety instructions General Instructions Special InstructionsSymbols on the saw Symbols in the Workshop ManualTechnical data NGK CMR6H 12a Service tools12b 13d 13a 13b 13c Service data KeyEnglish Safety equipment ContentsDismantling the chain brake Cleaning and inspectionAlt Assembling the chain brake Dismantling the muffler Assembling the mufflerFunctional inspection Do not touch the muffler until it has cooled. Risk of burnsReplacing the chain catcher Dismantling the start/stop controlAssembling the start/stop control Resistance test stop functionCleaning and inspection Safety equipment Repair instructions Cleaning and inspection Clean the parts and check Dismantling the starterTensioning the return spring Replacing a broken or worn starter cordWear protective glasses Starter assembly Replacing a broken return springDismantling the ignition module and flywheel Assembling the ignition module and flywheel Dismantling the centrifugal clutch Min 60 mmAssembly of centrifugal clutch Dismantling the oil pump and screenAssembling the oil pump and screen Dismantling the intake systemAssembling the intake system Carburettor DesignFunction Dismantling the carburettor English Cleaning and inspection Clean all units in clean petrol AssemblyEnglish Pressure testing the carburettor Fitting on the sawMake sure that the following components are correctly fitted Tank unit Venting the fuel tankTest Opening pressure outwards Opening pressure inwardsVibration damping system Replacing the fuel filter Replacing the fuel hose/return hoseReplacing the fuel pump Purge DismantleDismantling the piston and cylinder English Faults and causes Score marks on the piston a Assembling the piston and cylinderCarbon build-up B Piston ring breakagePressure testing the cylinder LoosenDismantling the crankshaft and crankcase Page Repair Instructions Sealing rings Assembling a complete crankshaft Replacing the bar bolt Repairing damaged threadsReplacing a bar bolt with intact crankcase English Troubleshooting Starting TroubleshootingIdling low speed High speed Troubleshooting methodsAcceleration and retardation 115 26 2011W31