Jonsered CS 2240 manual Ignition module and flywheel Removal

Page 27

Repair instructions

7.7Ignition module and flywheel

– removal

1

Remove the cylinder cover. Disconnect the HT lead, remove the spark plug and fit piston stop 502 54 15- 01. in its place. Take off the starter assembly, release the leads from the cable guide and remove it (see figure 8).

Fig 8

2

If replacing the ignition module (B), loosen the cable lug (C) and screw (A) and unscrew it. The ignition module can be left in place if you are simply removing the flywheel (see figure 9).

3

Loosen the flywheel nut (E) using a suitable socket and remove it (see figure 10).

When replacing the cables, they are fitted on the stop switch, as shown in figure (see figure 9).

4

Knock on the punch using a metal mallet until the flywheel releases from the shaft. Remove the punch and the flywheel (see figure 10).

Cleaning and inspection

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

• Check that the flywheel is not cracked or da- maged in any other way.

Fig

9

Fig

10

28 – English

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Contents 510 16 Workshop manualWorkshop manual Jonsered CS 2240 and CS 2240S Contents Index Vibration damping system Trouble shootingContents Introduction and safety instructionsTools Safety Target groupGeneral ChangesSpecial instructions General instructionsSymbols in the Workshop Manual Symbols on the sawTechnical data Rpm Special tools 13a 13b 16b 16c 16a Service data Service data Contents Safety equipmentDismantling the chain brake Cleaning and inspectionChain brake reassembly Refit Silencer removalSilencer refitting Operating testDismantling the start/stop control Chain catcher replacementAssembling the start/stop control Stop switch resistance measurementThrottle lock, throttle trigger and return spring removal 2xA aThrottle lock, throttle trigger and return spring refitting Repair instructions Starter assembly removal Tensioning the recoil spring Changing a broken or worn starter cordStarter assembly refitting Ignition module testingReplacing a worn recoil spring Ignition module and flywheel Removal Ignition module and flywheel Refitting Centrifugal clutch removal Dismantling the oil pump and screen Centrifugal clutch refittingAssembling the oil pump and screen Assembling the intake systemAir intake system removal Design CarburettorFunction Dismantling the carburettor English Cleaning and inspection Clean all units in clean petrol Assembly Pressure testing the carburettor Assemble on the saw Carburettor adjustment Conditions during adjustment Replacement of the H-needle or complete car BurettorReplacement of the L-needle Opening pressure inward Tank unitVenting the fuel tank Test Opening pressure outwardVibration damping system Cleaning and inspection Clean and inspect all parts AssemblyAssembling Replacing the fuel filterReplacing the fuel hose/ return hose Replacing the air-purgeIf replacing the cylinder Piston and cylinder removalEnglish Piston ring breakage Faults and causes Score marks on the piston aPiston and cylinder refitting Carbon build-up BAssembling the intake system Inlet manifoldCylinder pressure testing Crankshaft complete dismantling Crankshaft bearings replacementRepairing damaged threads Crankshaft complete reassemblyReplacing the bar bolt Replacing the front bar guideReplacing the rear bar guide Troubleshooting Troubleshooting StartingIdling low rpm Troubleshooting methods High rpmAcceleration och retardation 2009W39

CS 2240 specifications

The Jonsered CS 2240 is a powerful and versatile chainsaw designed for homeowners, landscapers, and property maintenance professionals. It stands out in the market due to its unique combination of performance-oriented technology, ergonomic design, and ease of use.

One of the main features of the Jonsered CS 2240 is its robust engine. With a 40.9cc X-Torq® engine, this chainsaw is designed to provide efficient power and performance while minimizing fuel consumption and emissions. The X-Torq® engine technology not only enhances the chainsaw's acceleration and torque but also contributes to better fuel efficiency, making it an environmentally friendly option for users.

The CS 2240 is equipped with a 16-inch bar, which strikes a perfect balance for various cutting tasks, whether it's felling small trees, trimming branches, or performing general maintenance. This length also allows for greater maneuverability in tight spaces, making it an ideal choice for homeowners and professional users alike.

A notable aspect of the Jonsered CS 2240 is its innovative starting system. The Quick Release Air Filter ensures that the air filter can be easily accessed for maintenance, promoting optimal engine performance. Coupled with the Air Injection system, which filters out larger debris before it enters the engine, this chainsaw maintains a longer lifespan and reduces the frequency of required maintenance.

Safety is paramount in chainsaw design, and Jonsered does not compromise on that front. The CS 2240 features a chain brake, which halts the chain movement in the event of kickback. Additionally, the front handguard provides an extra layer of protection, ensuring that users can operate the saw with confidence.

The ergonomic design of the CS 2240 incorporates a comfortable handle that reduces vibrations, allowing for extended use without excessive fatigue. Weighing approximately 10.8 lbs, it strikes the right balance between power and portability.

In summary, the Jonsered CS 2240 is an excellent choice for those seeking a reliable, efficient, and user-friendly chainsaw. Its advanced engine technology, balanced bar length, safety features, and ergonomic design make it a standout in its class, ideal for tackling a variety of cutting tasks with ease and efficiency. Whether you are a casual user or a professional, the CS 2240 is well-equipped to meet diverse cutting needs while ensuring safety and comfort.
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