Jonsered CS 2145 EPA II - Manual

English – 5 SAFETY INSTRUCTIONS Personal protective equipment • Protective helmet • Hearing protection • Protective goggles or a visor • Gloves with saw protection • Protective trousers with saw protection • Boots with saw protection, steel toe-cap and non-slip sole Generally clothes should be close...

6 – English SAFETY INSTRUCTIONS Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain immediately if you get a kickback. The chain brake reduces the risk of accidents, but only you can prevent them. Take care when using your saw and make su...

English – 7 SAFETY INSTRUCTIONS it cannot affect the movement of the front hand guard, the chain brake can only be activated by the inertia of the counterweight. • The inertia activated chain brake is a valuable feature but there are certain factors to remember (see point above). Throttle lock The t...

8 – English SAFETY INSTRUCTIONS Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user. In areas with a hot, dry climate there is a high risk of fires. These areas are sometimes controlled by legislation and requirements that among other thin...

10 – English SAFETY INSTRUCTIONS If the muffler on your machine is fitted with a spark arrestor mesh this must be cleaned regularly. A blocked mesh will cause the engine to overheat and may lead to serious damage. Never use a muffler if the spark arrestor mesh is missing or defective. Cutting equipm...

English – 11 SAFETY INSTRUCTIONS Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes worn or damaged you must replace it with one of the bars and chains recommended by us. See the Technical data section. Bar • Length (inches/cm) • Number of teeth on b...

12 – English SAFETY INSTRUCTIONS When you sharpen a cutting tooth there are five important factors to remember. 1 Filing angle 2 Cutting angle 3 File position 4 Round file diameter 5 File depth It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use o...

English – 13 SAFETY INSTRUCTIONS • We recommend that you use our raker gauge to achieve the correct clearance and bevel on the raker lip. Setting the raker clearance • Before setting the raker clearance the cutting teeth should be newly sharpened. We recommend that you adjust the raker clearance eve...

14 – English SAFETY INSTRUCTIONS Filling with chain oil • All our chain saws have an automatic chain lubrication system. On some models the oil flow is also adjustable. • The sizes of the chain oil tank and fuel tank have been chosen so that the engine will run out of fuel before running out of oil....

English – 15 SAFETY INSTRUCTIONS We recommend you compare the existing chain with a new chain to decide how badly the existing chain is worn. When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced. Chain drive sprocket The clutch drum is fitted with one of the fol...

English – 17 SAFETY INSTRUCTIONS General safety precautions • Chain saws are designed solely for cutting wood. The only accessories you may use with this engine unit are the combinations of bars and chains we recommend in the Technical data section. • Never use the machine if you are tired, if you h...

18 – English SAFETY INSTRUCTIONS Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (gasoline and 2-stroke oil). • Move the machine at least 3 m from the refuelling point before starting it. • Never start the ...

English – 19 SAFETY INSTRUCTIONS • Take the utmost care when cutting through branches or logs that are in tension. A log or branch that is in tension can suddenly spring back into its natural position before or after you cut it. If you stand on the wrong side or start cutting in the wrong place it m...

20 – English SAFETY INSTRUCTIONS Cut all the way through the log from above. Avoid letting the chain touch the ground as you finish the cut. Maintain full throttle but be prepared for what might happen. If it is possible (can you turn the log?) stop cutting about 2/3 of the way through the log. Turn...

English – 21 SAFETY INSTRUCTIONS • Arrangement of branches • Weight of snow You may find you are forced to let the tree fall in its natural direction because it is impossible or dangerous to try to make it fall in the direction you first intended. Another very important factor, which does not affect...

22 – English SAFETY INSTRUCTIONS All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed. When the felling cut and directional cut are complete the tree should start to fall by itself or with the a...

English – 23 WHAT IS WHAT? What is what on the chain saw? 1 Cylinder cover 2 Front handle 3 Front hand guard 4 Starter 5 Chain oil tank 6 Starter handle 7 Adjuster screws, carburettor 8 Choke control/Start throttle lock 9 Rear handle 10 Stop switch (Ignition on/off switch.) 11 Fuel tank 12 Muffler 1...

24 – English ASSEMBLY Fitting the bar and chain Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. Remove the bar nuts and remove the clutch cover (chain brake). Take off the transportation ring (A). Fit the bar over the bar bolts. Place the...

English – 25 FUEL HANDLING Fuel CAUTION! The machine is equipped with a two-stroke engine and must always been run using a mixture of gasoline and two-stroke engine oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing sm...

26 – English FUEL HANDLING Fuelling Clean the area around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter must be replaced at least once a year. Contamination in the tanks causes malfunction. Make sure the fuel is well mixed by shaking the container before refuelling. The...

English – 27 STARTING AND STOPPING Starting and stopping Cold engine Starting: The chain brake should be activated when starting the chain saw. Activate the chain brake by pushing the front hand guard forwards. Ignition; choke: Set the choke control in the choke position. This should automatically s...

28 – English MAINTENANCE Carburettor Your Jonsered product has been designed and manufactured to specifications that reduce harmful emissions.After your unit has been run 8-10 tanks of fuel the engine has broken in. To ensure that your unit is at peak performance and producing the least amount of ha...

English – 29 MAINTENANCE “whistles“ the setting is too lean. If there is too much exhaust gas at the same time as the machine “4-cycles” much, the setting is too rich. Turn the high speed needle H until the setting sounds correct. For optimum setting of the carburetor, contact a qualified servicing ...

30 – English MAINTENANCE Fitting the starter • To fit the starter, first pull out the starter cord and place the starter in position against the crankcase. Then slowly release the starter cord so that the pulley engages with the pawls. • Fit and tighten the screws that hold the starter. Air filter T...

English – 31 MAINTENANCE Needle bearing lubrication The clutch drum is fitted with one of the following drive sprockets: • A Spur sprocket (the chain sprocket is welded on the drum) • B Rim sprocket (replaceable) Both versions have a needle bearing on the drive shaft, which has to be greased regular...

32 – English MAINTENANCE Winter use During cold weather and under powder snow conditions, operating problems can arise due to: • Too low engine temperature. • Icing of the air filter and carburettor. Special measures are therefore often required: • Partly mask the air inlet on the starter to increas...

English – 33 MAINTENANCE Weekly maintenance 1 Check that the vibration damping elements are not damaged. 2 Lubricate the clutch drum bearing. 3 File off any burrs from the edges of the bar. 4 Clean the spark plug. Check that the electrode gap is 0.5 mm (0,020 inch). 5 Clean the fins on the flywheel....

34 – English TECHNICAL DATA Technical data CS 2141 CS 2145 CS 2150 Engine Cylinder volume, cu.in/cm 3 2,49/40,8 2,75/45,0 3,15/51,7 Cylinder bore, inch/mm 1,57/40 1,65/42 1,77/45 Stroke, inch/mm 1,28/32,5 1,28/32,5 1,28/32,5 Idle speed, rpm 2700 2700 2700 Power, kW/ rpm 2,0/9000 2,2/9000 2,3/9000 Ig...

36 – English FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (The US Environmental Protection Agency), Environment Canada and Jonsered are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engine. In U.S. and Canada...