Jonsered 70C - Manual

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 • During felling your left hand grasps the front handle in such a way that it cannot activate the chain brake. In this position, i.e. when your left hand is in such a position that it cannot affect the movement of the front hand guard, the chain brake can only be acti...

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 Muffler Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine. 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 ov...

English – 11 SAFETY INSTRUCTIONS Chain A chain is made up of a number of links, which are available in standard and low-kickback versions. Combining these links in different ways gives different degrees of kickback reduction. In terms of kickback reduction alone, four different types of link are ava...

12 – English SAFETY INSTRUCTIONS • A sharp chain eats its way through the wood and produces long, thick cuttings. • The cutting part of the chain is called the cutting link and this consists of a cutting tooth (A) and the raker lip (B). The cutting depth is determined by the difference in height bet...

English – 13 SAFETY INSTRUCTIONS See the Technical data section to find the raker clearance for your particular chain. • On a low-kickback cutting link the front edge of the raker lip is rounded. It is very important that you maintain this radius or bevel when you adjust the raker clearance. • We re...

14 – English SAFETY INSTRUCTIONS Lubricating cutting equipment Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather. As a chain saw manufacturer we have developed an optimal chain oil...

English – 15 SAFETY INSTRUCTIONS Checking wear on cutting equipment Check the chain daily for: • Visible cracks in rivets and links. • Whether the chain is stiff. • Whether rivets and links are badly worn. We recommend you compare the existing chain with a new chain to decide how badly the existing ...

English – 17 SAFETY INSTRUCTIONS 8 Follow the instructions on sharpening and maintaining your bar and chain. When you replace the bar and chain use only combinations that are recommended by us. See instructions under the headings Cutting equipment and Technical data. General safety precautions • Cha...

18 – English SAFETY INSTRUCTIONS • Place the chain saw on the ground and hold the rear handle down with your right foot. Grasp the front handle firmly using your left hand. Make sure the chain saw is steady and the chain is not touching the ground or other objects. Then grasp the starter handle with...

English – 19 SAFETY INSTRUCTIONS • Make sure you can move and stand safely. Check the area around you for possible obstacles (roots, rocks, branches, ditches, etc.) in case you have to move suddenly. Take great care when working on sloping ground. • Take the utmost care when cutting through branches...

20 – English SAFETY INSTRUCTIONS In most cases you can avoid these problems by cutting in two stages; from the top and from the bottom. You need to support the object so that it will not trap the chain or split during cutting. The following instructions describe how to handle the commonest situation...

English – 21 SAFETY INSTRUCTIONS Tree felling technique Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 21/2 tree lengths. Make sure that no-one else is in this ”risk zone” before or during felling. Felling direction The aim is to fell t...

English – 23 SAFETY INSTRUCTIONS Cutting the trunk into logs See instructions under the heading Basic cutting technique. Freeing a tree that has fallen badly Freeing a ”trapped tree” It is very dangerous to remove a trapped tree and there is high accident risk. The safest method is to use a winch. •...

24 – English WHAT IS WHAT? What is what on the chain saw? J O N S E R E D S E R V I C E Jonsered 2163 TURBO Jonsered Huskvarna, SWEDEN XXXX XXXXXXX 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 thro...

English – 25 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...

26 – English 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...

English – 27 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...

28 – English 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: Slide the ignition switch to the left. Choke: Set the choke control in the chok...

English – 29 STARTING AND STOPPING Pull the front hand guard towards the front handle. The chain brake is now disengaged. Your saw is ready for use. Stopping Stop the engine by switching off the ignition.

30 – English MAINTENANCE Carburettor Your Jonsered product has been designed and manufactured to specifications that reduce harmful exhaust fumes. Function, Basic settings, Fine adjustment Function • The carburettor governs the engine’s speed via the throttle control. Air and fuel are mixed in the c...

English – 31 MAINTENANCE CAUTION! There is an integrated speed governor in the ignition system that limits the maximum speed to 13600 rpm. The maximum speed will not exceed 13600 rpm when the high speed jet is adjusted (screwed in). When the speed governor is activated, you will get the same sound e...

32 – 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 – 33 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...

34 – English MAINTENANCE Heated handles (CS 2171W) On models with the model code W, both the front handle bar and the rear handle are equipped with electrical heating coils. These are supplied with electricity from a generator built into the chain saw. When the red mark on the switch is visible, the...

English – 35 MAINTENANCE Below you will find some general maintenance instructions. Daily maintenance 1 Check the throttle trigger for smooth operation. If any binding occurs or if engine fails to return to idle, the machine should be taken to your dealer, before it is used again. Also, be sure that...

36 – English TECHNICAL DATA Technical data CS 2165 CS 2171/WH Engine Cylinder volume, cu.in/cm 3 3,97/65,1 4,31/70,7 Cylinder bore, inch/mm 1,89/48 1,97/50 Stroke, inch/mm 1,42/36 1,42/36 Idle speed, rpm 2700 2700 Power, kW/ rpm 3,4/9000 3,9/9600 Ignition system Manufacture SEM SEM Type of ignition ...

38 – English FEDERAL EMISSION CONTROL WARRANTY STATEMENT ´®z*x{o¶5~¨ ´®z*x{o¶5~¨ 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 en...