Zenoah GZ7000 - Manual

GENERAL SAFETY PRECA UTIONS English – 5 Bef ore using a new chain saw • Please read this manual carefully. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. • Refuel and start the chain saw. See the instructions under the headings Fuel H...

GENERAL SAFETY PRECA UTIONS 6 – English pro vide information about which training materials and courses are available. Work is constantly in progress to improve the design and technology - improvements that increase your safety and efficiency. Visit your dealer regularly to see whether you can benefit...

GENERAL SAFETY PRECA UTIONS 8 – English Will my hand always activate the chain brake during a kickback? No. It takes a certain force to move the hand guard forward. If your hand only lightly touches the front guard or slips over it, the force may not be enough to trigger the chain brake. You should ...

GENERAL SAFETY PRECAUTIONS English – 9 Stop switch Use the stop switch to switch off the engine. 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 su...

GENERAL SAFETY PRECAUTIONS 10 – English Cutting equipment designed to reduce kickback The only way to avoid kickback is to make sure that the kickback zone of the bar never touches anything. By using cutting equipment with ”built-in” kickback reduction and keeping the chain sharp and well-maintained...

GENERAL SAFETY PRECAUTIONS English – 11 Sharpening your chain and adjusting depth gauge setting 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 bar through the wood and the chips will be very small. If th...

GENERAL SAFETY PRECAUTIONS 12 – English General advice on adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth gauge setting (C) will decrease. To maintain optimal cutting performance the depth gauge (B) has to be filed down to achieve the recommended depth gauge setting. ...

GENERAL SAFETY PRECAUTIONS English – 13 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. We recommend the use of our own oil for both maximum chain l...

GENERAL SAFETY PRECAUTIONS 14 – English Chain drive sprocket 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) Regularly check the degree of wear on the drive sprocket. Replace if wear is excess...

ASSEMBLY English – 15 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...

FUEL HANDLING 16 – English Fuel Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of petrol and two-stroke oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of...

FUEL HANDLING English – 17 • In temperatures below 0 ° C (32 ° F) some oils become too viscous. This can overload the oil pump and result in damage to the oil pump components. • Contact your service agent when choosing chain oil. Fuelling Clean the area around the fuel cap. Clean the fuel and chain ...

STARTING AND STOPPING 18 – English Starting and stopping Cold engine Starting: The chain brake must be engaged when the chain saw is started. Activate the brake by moving the front hand guard forwards. Ignition; choke: Set the choke control in the choke position. This should automatically set the st...

STARTING AND STOPPING English – 19 CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended. This can damage the machine. Note! Reactivate the chain brake by pushing the front hand guard back towards the front handle. The chain saw...

WORKING TECHNIQUES 20 – English Before use: 1 Check that the chain brake works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle lockout works correctly and is not damaged. 4 Check that the stop switch works correctly and is not damaged. 5...

WORKING TECHNIQUES English – 21 6 Before moving your chain saw switch off the engine and lock the chain using the chain brake. Carry the chain saw with the bar and chain pointing backwards. Fit a guard to the bar before transporting the chain saw or carrying it for any distance. 7 When you put the c...

WORKING TECHNIQUES 22 – English 7 Take great care when you cut with the top edge of the bar, i.e. when cutting from the underside of the object. This is known as cutting on the push stroke. The chain tries to push the chain saw back towards the user. If the saw chain is jamming, the saw may be pushe...

WORKING TECHNIQUES English – 23 Limbing When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. Cutting If you have a pile of logs, each log you attempt to cut should be removed from the pile, placed on a saw horse or runners and cut individ...

WORKING TECHNIQUES 24 – English Tree felling technique Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 2 1/2 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...

WORKING TECHNIQUES English – 25 Felling Felling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then you finish with the felling cut. By placing these cuts correctly you can control the felling direction very accurately. Directional cuts...

WORKING TECHNIQUES 26 – English When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar. We recommend that you use a bar that is longer than the diameter of the tree, so that you can make the felling cut and dir...

WORKING TECHNIQUES English – 27 If you must cut across tree/limb, make two to three cuts, one inch apart, one to two inches deep. Continue to cut deeper until tree/limb bends and tension is released. Cut tree/limb from outside the bend, after tension has been released. How to avoid kickback What is ...

MAINTENANCE 28 – English General The user must only carry out the maintenance and service work described in this manual. Carburettor adjustment Due to existing environmental and emissions legislation your chain saw is equipped with movement limiters on the carburettor adjuster screws. These limit th...

MAINTENANCE English – 29 High speed jet H At the factory the engine is adjusted at sea level. When working at a high altitude or in different weather conditions, temperatures and atmospheric humidity, it may be necessary to make minor adjustments to the high speed jet. CAUTION! If the high speed jet...

MAINTENANCE 30 – English Checking the inertia brake release Place the chain saw, with the engine switched off, on a stump or other stable surface. Release the front handle and let the saw fall by its own weight, rotating around the rear handle towards the stump. When the bar hits the stump the brake...

MAINTENANCE English – 31 Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. Right hand guard Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. Vibration damping system Regularly check the v...

MAINTENANCE 32 – English Starter Changing a broken or worn starter cord • Loosen the screws that hold the starter against the crankcase and remove the starter. • Pull out the cord approx. 30 cm and hook it into the notch in the rim of the pulley. Release the recoil spring by letting the pulley rotat...

MAINTENANCE English – 33 Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid: • Carburettor malfunctions • Starting problems • Loss of engine power • Unnecessary wear to engine parts. • Excessive fuel consumption. • Remove the air filter after taking off the ai...

MAINTENANCE 34 – English Needle bearing lubrication The clutch drum has a needle bearing on the output shaft. This needle bearing must be lubricated regularly (once a week). When lubricating, remove the clutch cover by loosening the two bar nuts. Lay the saw on its side with the clutch drum upwards....

MAINTENANCE English – 35 Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by: • Too low engine temperature. • Icing of the air filter and carburettor. Special measures are therefore often required: • Preheat the intake air to the carburettor by usin...

36 – English MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Monthly maintenance Clean the outside of the machine. On chain saws without...

English – 37 TECHNICAL DATA Technical data Note 1: Noise emissions in the environment measured as sound power (L WA ) in conformity with EC directive 2000/14/ EC. Note 2: Equivalent sound pressure level, according to ISO 22868, is calculated as the time-weighted energy total for noise pressure level...

38 – English TECHNICAL DATA Bar and chain combinations The following recommended combinations of bar and saw chain are type approved for your chain saw. Saw chain filing and file gauges For file gauges, see recommendations from manufacturer (www.oregonchain.com). EC-declaration of conformity (Applies t...

LIMITED WARRANTY English – 39 Limited warranty Should any failure occur on the product under normal operating conditions within the applicable warranty period, the failed part will be replaced or repaired free of charge by a ZENOAH authorized dealer. WARRANTY PERIOD: 1 year (6 months if used profess...