Jonsered CS 2245S, CS 2250S manual Maintenance, General, Carburetor adjustment

Jonsered CS 2245S, CS 2250S manual Fuel Handling Jonsered CS 2250S, CS 2245S manual Fueling, Fuel safety, Transport and storage, Long-term storage Jonsered CS 2245S, CS 2250S manual Starting and Stopping, Starting and stopping, Warm engine Jonsered CS 2245S, CS 2250S manual Stopping Jonsered CS 2250S, CS 2245S manual Working Techniques, Before use, General working instructions, Basic safety rules Jonsered CS 2245S, CS 2250S manual General rules Jonsered CS 2245S, CS 2250S manual Basic cutting technique, Terms Jonsered CS 2250S manual Tree felling technique, Limbing, Log is supported at one end. There is a high risk, Safe distance Jonsered CS 2245S, CS 2250S manual Felling direction, Clearing the trunk and preparing your retreat, Directional cuts Jonsered CS 2245S, CS 2250S manual Felling cut Jonsered CS 2250S, CS 2245S manual How to avoid kickback, Freeing a tree that has fallen badly, What is kickback? Jonsered CS 2245S, CS 2250S manual Cutting the trunk into logs Jonsered CS 2245S, CS 2250S manual Maintenance, General, Carburetor adjustment Jonsered CS 2250S, CS 2245S manual Throttle lockout, Checking the inertia brake release Jonsered CS 2245S, CS 2250S manual Muffler, Chain catcher Jonsered CS 2245S, CS 2250S manual Starter, Replacing the starter cord, Tensioning the recoil spring Jonsered CS 2250S, CS 2245S manual Air filter, Replacing the return and drive springs, Fitting the starter Jonsered CS 2245S, CS 2250S manual Spark plug, Lubricating the bar tip sprocket, Needle bearing lubrication, Cooling system Jonsered CS 2245S, CS 2250S manual Turbo Air Cleaning centrifugal cleaning, Winter use, Temperature -5C 23F or colder Jonsered CS 2250S, CS 2245S manual Maintenance schedule, Daily maintenance Weekly maintenance Monthly maintenance Jonsered CS 2245S, CS 2250S manual Technical Data, Technical data Jonsered CS 2245S, CS 2250S manual Bar and chain combinations, 050/1,3 mm, 058/1,5 mm Jonsered CS 2250S, CS 2245S manual Saw chain filing and file gauges Jonsered CS 2245S, CS 2250S manual Federal Emission Control Warranty Statement, Repair or Replacement of Parts Repair or Jonsered CS 2245 American Standard Safety Precautions, Safety precautions for chain saw users, Kickback safety precautions Jonsered CS 2250S, CS 2245S manual 1151012-95
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MAINTENANCE

General

The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorised service workshop.

Carburetor adjustment

Your Jonsered product has been designed and manufactured to specifications that reduce harmful exhaust fumes.

Function

•The carburetor governs the engine’s speed via the throttle control. Air and fuel are mixed in the carburetor. The air/fuel mixture is adjustable. Correct adjustment is essential to get the best performance from the machine.

•The T-screw regulates the throttle setting at idle speed. If the T-screw is turned clockwise this gives a higher idle speed; turning it anti-clockwise gives a lower idle speed.

Basic settings and running in

The basic carburetor settings are adjusted during testing at the factory. Fine adjustment should be carried out by a skilled technician.

Rec. idle speed: See the Technical data section.

Fine adjustment of the idling speed T

Adjust the idle speed with the T-screw. If it is necessary to re-adjust, turn the T-screw clockwise while the engine is running, until the chain starts to rotate. Then turn counter- clockwise until the chain stops. A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position. It should also be good margin to the rpm when the chain starts to rotate.

WARNING! Contact your servicing

! dealer, if the idle speed setting cannot be adjusted so that the chain stops at idle. Do not use the chain saw until it has been properly adjusted or repaired.

Correctly adjusted carburetor

When the carburetor is correctly adjusted the machine accelerates without hesitation and the machine 4-cycles a little at max. speed. It is also important that the chain does not rotate at idle. If the L-jet is set too lean it may cause starting difficulties and poor acceleration. If the H-jet is set too lean the machine will have less power, poor acceleration and could suffer damage to the engine.

Checking, maintaining and servicing chain saw safety equipment

Note! All servicing and repair work on the machine requires special training. This is especially true of the machine′s safety equipment. If your machine fails any of the checks described below we recommend you to contact our servicing dealer.

Chain brake and front hand guard

Checking brake band wear

Brush off any wood dust, resin and dirt from the chain brake and clutch drum. Dirt and wear can impair operation of the brake.

Regularly check that the brake band is at least 0.024 inch (0.6 mm) thick at its thinnest point.

Checking the front hand guard

Make sure the front hand guard is not damaged and that there are no visible defects such as cracks.

Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover.

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Contents CS 2245S You will find the following labels on your chain saw KEY to SymbolsSymbols on the machine Symbols in the operator’s manualContents Dear customer IntroductionWhat is what on the chain saw? What is WHAT?Before using a new chain saw General Safety PrecautionsChain brake and front hand guard Machine′s safety equipmentAlways use common sense Personal protective equipmentGeneral Safety Precautions Chain catcher Throttle lockoutRight hand guard Muffler Stop switchCutting equipment Vibration damping systemBar Cutting equipment designed to reduce kickbackChain General information on sharpening cutting teeth Sharpening your chain and adjusting depth gauge settingTensioning the chain CS 2245S, CS 2250S Lubricating cutting equipmentChecking chain lubrication Filling with chain oilChain drive sprocket Checking wear on cutting equipment Needle bearing lubricationFitting the bar and chain AssemblyWorking with the chain Assembly Fuel Fuel HandlingLong-term storage Fuel safetyFueling Transport and storageWarm engine Starting and StoppingStarting and stopping StartingStopping General working instructions Basic safety rulesWorking Techniques Before useGeneral rules Terms Basic cutting techniqueSafe distance Tree felling techniqueLimbing Log is supported at one end. There is a high riskClearing the trunk and preparing your retreat Felling directionDirectional cuts Felling cut What is kickback? How to avoid kickbackFreeing a tree that has fallen badly Cutting the trunk into logs Carburetor adjustment MaintenanceGeneral Checking the inertia brake release Muffler Replacing the starter cord StarterTensioning the recoil spring Replacing the return and drive springs Air filterFitting the starter Cooling system Spark plugLubricating the bar tip sprocket Needle bearing lubricationTemperature -5C 23F or colder Turbo Air Cleaning centrifugal cleaningWinter use Daily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical Data050/1,3 mm Bar and chain combinations058/1,5 mm Saw chain filing and file gauges Repair or Replacement of Parts Repair or Federal Emission Control Warranty StatementOther safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Kickback safety precautions1151012-95
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