Jonsered CS 2240 Uživatelský manuál

Workshop manual510 16 77-26

English – 11 Idling speed Engagement speed Spark plug rpm rpmCS 2240/S: 2 900 3 800 NGK BPMR 7A Champion RCJ 7Y Fuel tank capacity

12 – English4 Special toolsSpecial tools114691237810M5M65M5

English – 13Special tools12 13a141513b16a16c16b1718 Item Description Used for Order no. 1 Clutch tool Centrifugal clutch 502 54 16-03 2 P

14 – English5 Service dataService data

English – 15Service data

16 – English6 Safety equipmentSafety equipmentContents6.1 Dismantling the chain brake ...

English – 173Loosen the screws and carefully remove the cover over the brake spring. (see gure 3)WARNING!Exercise care to ensure the spring does not

18 – EnglishNOTE!After completing the repair the chain brake must be tested as described below.6.2 Chain brake – reassembly1Bolt the elbow joint to th

English – 19Operating test:The engine must not be running during the test. Guide bar length Height 38cm/15" 50 cm/20"• Hold the chainsa

20 – English6.5 Chain catcher – replacementIf the chain catcher is worn it must be replaced with a new one.1Release the brake by pushing the kickback

English – 3Workshop manualJonsered CS 2240 and CS 2240SContentsIndex ... 4Introduc

English – 21Safety equipment6.7 Stop switch – resistance measurementClean the mating surfaces and check the resis-tance as follows:Measure the resista

22 – EnglishSafety equipment3Dismantle the handle insert (B) by loosening the screw C on the handle (see gure 18).4Press out the throttle control pin

English – 236.10 Throttle lock, throttle trigger and return spring – refitting1Lubricate all pins and mating surfaces with a light oil.2Fit the throttl

24 – English7 Repair instructionsRepair instructionsContents7.1 Starter assembly - removal ...

English – 25Repair instructionsWARNING!If the recoil spring is still under tension when the pulley is re-moved it can fly out and cause injury. Wear ey

26 – EnglishRepair instructions7.2 Changing a broken or worn starter cordWhen the starter cord is worn and must be replaced, the tension on the return

English – 27Repair instructionsWARNING!Make sure the recoil spring does not fly out and cause injury. Wear eye protection..7.4 Replacing a worn recoil

28 – EnglishRepair instructions7.7 Ignition module and flywheel – removal1Remove the cylinder cover. Disconnect the HT lead, remove the spark plug and

English – 29Repair instructions7.8 Ignition module and flywheel – refitting1Fit the ywheel on the crankshaft journal. Turn the ywheel so that the key

30 – EnglishRepair instructions4Secure the clutch in a vice as shown in gure. Care-fully release the clutch springs (C) (see gure 16).NOTE! Handle t

4 – EnglishIndexIndexBBar bolt 52Replacing the bar bolt 52CCarburettor 33Assemble on the saw 40Assembly 38Carburettor adjustment 41Cleaning and

English – 317.10 Centrifugal clutch – refitting1Insert the clutch springs in the shoes.2Screw the clutch (anti-clockwise) until it stops. Now tighten u

32 – EnglishRepair instructions7.12 Assembling the oil pump and screen1Fit the chain guide plate with tightening torque 1–1.5 Nm.Fit the drive gear, n

English – 33Repair instructionsWARNING! The fuel used in the chainsaw has the following hazardous properties:1. The fluid and its fumes are poison

34 – EnglishRepair instructionsFunctionThe carburettor operates differently in the following modes:• Cold start mode• Idling mode• Part throttle mo

English – 35Repair instructionsDismantling the carburettor1. Dismantle the cylinder cover and the air lter.2. Disassemble the handle holder (see g

36 – EnglishRepair instructions6. Disassemble the pump cover (G) over the measuring chamber cover (R) and carefully remove the control diaphragm (H)

English – 37Repair instructionsCleaning and inspectionClean all units in clean petrol.Use compressed air to dry the petrol on the com-ponents. Direct

38 – EnglishRepair instructionsAssemblyMaintain a high level of cleanliness when assem-bling the carburettor. The slightest contamination can result i

English – 39 Leakage at Fault with Diffuser jets Needle valve Leakage in impulse tube Pump diaphragm Ventilation hole on metering unit. Con

40 – EnglishAssemble on the saw1. Press the carburettor down towards the parti-tion wall. Make sure that it gets into the correct position. 2. Fit t

English – 5IndexTrouble shooting 54Trouble-shooting methods 55VVibration damping system 43Assembly 43Cleaning and inspection 43Dismantling 43

English – 41Repair instructionsCarburettor adjustmentConditions during adjustment• The air lter should be clean and the cylinder cover tted when ad

42 – English7.16 Tank unitDismantling1. Drain the fuel from the tank.2. Dismantle the cylinder cover, bar and chain. See the Operator's Manual.

English – 43Assembly 1. If the throttle lock has been removed, this must be assembled before the tank unit and engine unit are assembled. 2. Lift th

44 – English1First remove the old fuel lter from the tank unit using special tool 502 50 83-01.2Pull the fuel hose (B) out of the tank unit and pull

English – 45Repair instructions7.22 Piston and cylinder – removal1Remove:• cylinder cover• carburettor (see “Carburettor – removal”)• silencer• sp

46 – EnglishRepair instructionsCheck the following:• The surface coating of the cylinder is not worn through, especially in the upper part of the cyl

English – 47ABFaults and causesScore marks on the piston (A)1. Incorrect carburettor setting. Too high over-speed.2. Too low octane fuel.3. Too low

48 – EnglishRepair instructionsInlet manifoldThe intake system has two intakes.1. The lower intake leads the fuel and air mixture from the carburetto

English – 49Repair instructionsWARNING!After pressure testing the cylinder, check that the inlet manifold is seated correctly, otherwise the saw may b

50 – EnglishRepair instructions7.25 Crankshaft complete - dismantling 1Remove the following:• chain and bar • clutch cover• cylinder cover• starter as

6 – EnglishIntroduction and safety instructions2 Introduction and safety instructionsContents2.1 General ...

English – 51Repair instructions7.27 Crankshaft complete – reassembly1Fit the crankshaft complete in the crankcase.Ret the following parts:• piston a

52 – EnglishRepair instructions7.29 Replacing the bar boltReplacing the front bar guide.1Drain the oil tank.2Knock through the old guide bar bolt so t

English – 53Troubleshooting8 TroubleshootingContents8.1 Troubleshooting ...

54 – EnglishTroubleshootingStartingIdling (low rpm)Idling (low rpm) (cont.)Adjust L screwLeaking air intake hose (rubber)Loose carburettor mounting bo

English – 55TroubleshootingAcceleration och retardationDoes not accelerateEngine stalls when throttle releasedOver rich accelerationAdjust L screwAdju

510 16 77-262009W39

English – 72 Introduction and safety instructionsIntroduction and safety instructions2.1 GeneralThis Workshop Manual describes in detail how the chain

8 – English2.8 General instructionsThe workshop where chain saw repairs are to be done must be equipped with safety equipment as set out in local prov

English – 9Introduction and safety instructions2.10 Symbols on the sawThe symbols below are embedded on the chain saw.Choke LeverRefuellingStop button

10 – English Displacement Cylinder bore Stroke Max power/speed cm3/cubic inches Ø mm/Ø inches mm/inches kW/hp/rpmCS 2240/S: 40,9 / 2,49 41