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Operator’s manual
English
E En ng glliis sh h
E En ng glliis sh h
Please read the operator’s manual
carefully and make sure you
understand the instructions before
GZ7000
using the machine.
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KEY TO SYMBOLS Symbols on the machine: Symbols in the operator’s WARNING! Chain saws can be manual: dangerous! Careless or incorrect use can Switch off the engine by moving the stop result in serious or fatal injury to the switch to the STOP position before operator or others. carrying out any checks or maintenance. Please read the operator’s manual Ignition; choke: Set the choke control carefully and make sure you understand in the choke position. This should
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CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ..................................... 2 Symbols in the operator’s manual: ....................... 2 CONTENTS Contents ............................................................... 3 WHAT IS WHAT? What is what on the chain saw? ........................... 4 GENERAL SAFETY PRECAUTIONS Before using a new chain saw .............................. 5 Important ...................................
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WHAT IS WHAT? 1 28 2 3 4 29 9 5 13 10 11 12 8 7 6 25 14 26 15 27 24 23 22 21 20 19 18 17 16 GZ7000 What is what on the chain saw? 1 Decompression valve 16 Chain 2 Starter handle 17 Bar 3 Adjuster screws carburettor 18 Spike bumper 4 Stop switch (Ignition on/off switch.) 19 Chain catcher 5 Rear handle 20 Chain tensioning screw 6 Choke control/Start throttle lock 21 Oil pump adjustment screw 7 Fuel tank 22 Clutch cover 8 Starter 23 Right hand guard 9 Chain oil tank 24 Throttle contro
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GENERAL SAFETY PRECAUTIONS Before using a new chain saw Important • Please read this manual carefully. IMPORTANT! • Check that the cutting equipment is correctly fitted The machine is only designed for cutting wood. and adjusted. See instructions under the heading Assembly. You should only use the saw with the bar and chain combinations we recommend in the chapter Technical • Refuel and start the chain saw. See the instructions data. under the headings Fuel Han
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GENERAL SAFETY PRECAUTIONS provide information about which training materials and IMPORTANT! Sparks can come from the muffler, the bar courses are available. and chain or other sources. Always have fire extinguishing tools available if you should need them. Help prevent forest fires. Machine′′ ′′s safety equipment In this section the machine’s safety features and their function are explained. For inspection and maintenance see instructions under the heading Check
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GENERAL SAFETY PRECAUTIONS • This movement activates a spring-loaded mechanism chain brake. If this happens you should hold the chain that tightens the brake band (C) around the engine saw firmly and not let go. drive system (D) (clutch drum). • The way the chain brake is activated, either manually or automatically by the inertia release mechanism, depends on the force of the kickback and the position • The front hand guard is not designed solely to activate of the chain saw in rela
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GENERAL SAFETY PRECAUTIONS Will my hand always activate the chain Chain catcher brake during a kickback? The chain catcher is designed to catch the chain if it snaps or jumps off. This should not happen if the chain is No. It takes a certain force to move the hand guard properly tensioned (see instructions under the heading forward. If your hand only lightly touches the front guard Assembly) and if the bar and chain are properly serviced or slips over it, the force may not be enough to
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GENERAL SAFETY PRECAUTIONS WARNING! Overexposure to vibration WARNING! Never use a saw without a can lead to circulatory damage or nerve muffler, or with a damaged muffler. A ! ! damage in people who have impaired damaged muffler may substantially circulation. Contact your doctor if you increase the noise level and the fire experience symptoms of overexposure hazard. Keep fire fighting equipment to vibration. Such symptoms include handy. If a spark arrestor screen is numbness, loss of feeling, t
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GENERAL SAFETY PRECAUTIONS • Number of drive links. The number of drive links is Cutting equipment designed to reduce determined by the length of the bar, the chain pitch kickback and the number of teeth on the bar tip sprocket. WARNING! Faulty cutting equipment or the wrong combination of bar and saw ! chain increases the risk of kickback! Only use the bar/saw chain combinations we recommend, and follow the filing • Bar groove width (inches/mm). The groove in the bar instructions. See i
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GENERAL SAFETY PRECAUTIONS Sharpening your chain and adjusting WARNING! Departure from the depth gauge setting sharpening instructions considerably ! increases the risk of kickback. General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you Sharpening cutting teeth have to exert more pressure to force the bar through the wood and the chips will be very small. If the chain is very blunt it will produce wood powder and no chips or shavings. To sha
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GENERAL SAFETY PRECAUTIONS General advice on adjusting depth gauge setting Tensioning the chain • 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. See instructions under the heading Technical WARNING! A slack chain may jump off data to find the correct depth gauge setting for your and cause serious or even fatal injury. ! particula
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GENERAL SAFETY PRECAUTIONS Checking chain lubrication Lubricating cutting equipment • Check the chain lubrication each time you refuel. See WARNING! Poor lubrication of cutting instructions under the heading Lubricating the bar tip equipment may cause the chain to snap, sprocket. ! which could lead to serious, even fatal Aim the tip of the bar at a light coloured surface about injuries. 20 cm (8 inches) away. After 1 minute running at 3/4 throttle you should see a distinct line of oil on th
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GENERAL SAFETY PRECAUTIONS Chain drive sprocket Bar The clutch drum is fitted with one of the following drive Check regularly: sprockets: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) • Whether the groove in the bar has become badly worn. Replace the bar if necessary. Regularly check the degree of wear on the drive sprocket. Replace if wear is excessive. Repla
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ASSEMBLY Tension the chain by turning the chain tensioning screw Fitting the bar and chain clockwise using the combination spanner. The chain should be tensioned until it does not sag from the underside of the bar. WARNING! Always wear gloves, when working with the chain, in order to ! protect your hands from injury. Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. The chain is correctly tensioned when it does not sag from the u
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FUEL HANDLING Mixing ratio Fuel 1:50 (2%) with ZENOAH two-stroke oil. Note! The machine is equipped with a two-stroke engine 1:33 (3%) with oils class JASO FB or ISO EGB formulated and must always be run using a mixture of petrol and two- for air-cooled, two-stroke engines. stroke oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct Petrol, litre Two-stroke oil, litre mixture is obtained. When mixing small amounts of fuel, even small inaccuraci
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FUEL HANDLING • In temperatures below 0°C (32°F) some oils become • Move the machine at least 3 m from the refuelling too viscous. This can overload the oil pump and result point before starting it. in damage to the oil pump components. • Contact your service agent when choosing chain oil. Fuelling WARNING! Taking the following • Never start the machine: precautions, will lessen the risk of fire: ! 1 If you have spilt fuel or chain oil on the machine. Wipe off the spillage and allow remaining
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STARTING AND STOPPING Warm engine Starting and stopping Use the same procedure as for starting a cold engine but WARNING! Note the following before without setting the choke control in the choke position. starting: The correct choke/start throttle setting is obtained by ! moving the choke control to the choke position and then pushing it in again. The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain during starting. Never star
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STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and • Observe your surroundings and make sure that there do not let go of the starter handle when the cord is fully is no risk of people or animals coming into contact extended. This can damage the machine. with the cutting equipment. Note! Reactivate the chain brake by pushing the front hand • Always hold the saw with both hands. The right hand guard back towards the front handle. The chain saw is should be on the
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WORKING TECHNIQUES Basic safety rules Before use: 1 Look around you: • To ensure that people, animals or other things cannot affect your control of the machine. • To make sure that none of the above might come within reach of your saw or be injured by falling trees. , 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. CAUTION! Follow the instructions abov
