Jonsered 625 - Manuals

English – 5 1 Chain brake and front hand guard YOUR chain saw is equipped with a chain brake that is desig-ned to stop the chain immediately if you get a kickback.The chain brake reduces the risk of accidents, but only You canprevent them. Take care when using yoursaw and make sure thekickback zone ...

6 – English 6 The way the chain brake is triggered, either manually orautomatically, depends on the force of the kickback and theposition of the chain saw in relation to the object that thekickback zone of the bar strikes. If you get a violentkickback while thekickback zone of the baris farthest awa...

English – 7 ! 5 Vibration damping system Your chain saw is equippedwith a vibration dampingsystem that is designed tominimise vibrations and makeoperation easier. When you use a chain sawvibrations are generated bythe uneven contact betweenthe chain and the wood youare cutting. Cutting hardwoods (mo...

8 – English ! 3 Checking the automatic brake Hold the chain saw over astump or other firm object.Let go of the front handleso that the bar falls ontothe stump. When the bar hits thestump the brake shouldbe applied. Inspecting, maintaining and servicingchain saw safety equipment SPECIAL TRAINING IS R...

10 – English ! 7 Muffler Never use a chain sawthat has a faulty muffler. Regularly check that themuffler is securelyattached to the chain saw. If the muffler on your sawis fitted with a sparkarrestor mesh this mustbe cleaned regularly. Ablocked mesh will causethe engine to overheatand may lead to se...

English – 11 ! SAFETY INSTRUCTIONS C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomesworn or damaged you will need to replace it. Use only the typeof bar and chain recommended by us. See the ”Technical data” section to find out which equipment is r...

12 – English SAFETY INSTRUCTIONS ! 2 Sharpening your chain and adjusting raker clearance The risk of kickback is increased with a badlysharpened chain! A General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the ba...

English – 13 ! C General advice on setting raker clearance • When you sharpen the cutting teeth you reduce theRAKER CLEARANCE(cutting depth). To maintaincutting performance youmust file back the rakerteeth to the recommendedheight. See the ”Technical data” section to find the rakerclearance for your...

14 – English 1 Undo the bar nuts thathold the clutch cover andchain brake, using thecombination spanner.Then tighten the nuts byhand as tight as you can. 2 Raise the tip of the barand stretch the chain bytightening the chaintensioning screw usingthe combination spanner.Tighten the chain until ithang...

English – 15 C Checking chain lubrication • Check the chain lubrication each time you refuel. Aim the tip of the saw at alight coloured surface about20 cm away. After 1 minuterunning at 3/4 throttle youshould see a distinct line ofoil on the light surface. If the chain lubrication is not working: 1 ...

16 – English H Bar Check regularly: • Whether there are burrs on the edges of the bar.Remove these with a file ifnecessary. • Whether the groove in the bar has become badly worn.Replace the bar ifnecessary. • Whether the tip of the bar is uneven or badly worn. If ahollow forms on one side ofthe bar ...

English – 17 ! 6 Take great care when youcut with the top edge ofthe bar, i.e. when cuttingfrom the underside of theobject. This is known ascutting on the pushstroke. The chain tries topush the saw backtowards the user. Unless the user resiststhis pushing force there isa risk that the saw willmove s...

18 – English SAFETY INSTRUCTIONS GENERAL SAFETY PRECAUTIONS 1 Chain saws are designed solely for cutting wood. The onlycutting equipment that can be used with this chain saw arethe combinations of bars and chains recommended in the”Technical data” section. 2 Never use a chain saw ifyou are tired, if...

English – 19 ! SAFETY INSTRUCTIONS GENERAL WORKING INSTRUCTIONS This section describes basic safety rules forusing a chain saw. This information is nosubstitute for professional skills andexperience. If you get into a situation whereyou feel unsafe, stop and seek expert advice(look under FORESTRY SE...

20 – English ! SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log willsplit. The first is how the log is supported and the second iswhether it is in tension. In most cases you can avoid these problems by cutting in twostages; from the top and from the bottom of the log. You...

English – 21 SAFETY INSTRUCTIONS 2 The log is supported at one end. There is a high riskthat it will split. A Start by cutting from below (about 1/3 of theway through). B Finish by cutting from above so that the twocuts meet. 3 The log is supported at both ends. There is a high riskthat the chain wi...

22 – English SAFETY INSTRUCTIONS C Clearing the trunk and preparing your retreat Remove any branches thatare in the way. To do this it isbest to work from the topdown and keep the trunkbetween you and the chainsaw. Never limb aboveshoulder height. Remove any undergrowthfrom the base of the tree andc...

English – 23 ! We recommend that you usea bar that is longer than thediameter of the tree, so thatyou can make the FELLINGCUT and DIRECTIONAL CUTwith single cutting stokes.(See ”Technical data” to find out which lengths of bar arerecommended for your saw). There are methods for fellingtrees with a d...

English – 25 ! Fit the bar over the bar bolts.Place the bar in its rearmostposition. Place the chain overthe drive sprocket and in thegroove on the bar. Begin onthe top side of the bar. Makesure that the edges on thecutting links are facing forwardon the top side of the bar. Fit the clutch cover and...

26 – English Fuelmix Petrol • Use good quality unleaded or leaded petrol. • The lowest octane recommended is 90. • If you run the engine on a lower octane grade than 90so-called, knocking canoccur. This gives rise to ahigh engine temperature,which can result in seriousengine damage. • When working w...

English – 27 ! Fuelling Taking the following precautions, will lessenthe risk of fire. • Do not smoke or place warm objects in the vicinity of the fuel. • Always shut off the engine before refuelling.• Slowly open the fuel cap, when filling fuel, so that possible overpressure is slowly released. • T...

28 – English ! Start and stop WARNING! • Never start the saw engine without the bar, chain and clutch cover (chain brake) assembled - or else theclutch can come loose and cause personal injuries. • Always move the saw away from the fueling area before starting. • Place the saw on clear ground and ma...

English – 29 ! ! Carburettor Functioning, Basic setting, Final setting WARNING! Do not start the saw without thebar, chain and clutch cover (chain brake)assembled. If you do, the clutch might comeloose and cause severe injuries. Operation • The carburettor governs the engine speed via the throttle. ...

30 – English Changing a broken or wornstarter cord • Loosen the screws, that hold the starter deviceagainst the crankcase andremove the starter device. • Pull out the cord approx. 30 cm and lift it up into thenotch in the pulley. Zero-setthe recoil spring by lettingthe pulley rotate slowlybackwards....

English – 31 Silencer The silencer is designed inorder to reduce the noise leveland to direct the exhaustgases away from the operator.The exhaust gases are hotand can contain sparks, whichmay cause fire if directedagainst dry and combustiblematerial. Some silencers areequipped with a specialscreen. ...

32 – English Cooling system To obtain the lowest possible running temperature the saw isequipped with a coolingsystem.The cooling systemconsists of: 1. Air intake on the starterunit. 2. Air guide plate. 3. Fan blades on theflywheel. 4. Cooling fins on thecylinder. 5. Cylinder cowling(supplies cold a...

English – 33 Daily maintenance 1. Check the throttle triggerfor smooth operation. Ifany binding occurs, or ifengine fails to return toidle, the saw should betaken to your dealer,before it is used again.Also, be sure that thetrigger cannot be pulleduntil the throttle triggerlockout is depressed. 2. C...

34 – English Bar and chain combinations The following combinations are CE approved. Bar Chain Length, Pitch, Max. inches inches tip radius 630 102 111 3,06,3 670 102 111 3,35,9 625 102 112 2,76,1 Note 1: Equivalent noise level is, according to ISO 7182 andISO 9207, calculated as the time-weighted en...