163. SAFETY PRECAUTIONS3-1. Intended usePower chain sawsThis power chain saw may be used only for sawing wood outof doors. It is intended for the followung uses depending onits class:- Professional and mid-class: Use on small, mediumand large trees: felling, limb removal, cutting to length,thinning.- Hobby class: Occasional use on small trees, fruit-treecare, felling, limb removal, cutting to length.Unauthorized users:Persons who are not familiar with the Instruction Manual,children, young people, and persons under the influence ofdrugs, alcohol or medication must not use this saw.National regulations may restrict the use of the unit!3-2. General precautions- To ensure correct operation the user has to read thisinstruction manual (Fig. 2) to make himself familiar withthe characteristics of the chain saw. Users insufficientlyinformed will endanger themselves as well as others dueto improper handling.- It is recommended to lend the chain saw only to peoplewho are experienced in working with chain saws. Alwayshand over the instruction manual.- First users should ask the dealer for basic instructionsto become familiarized with the characteristics of enginepowered sawing or even attend a recognized course ofinstruction.- Children and young persons aged under 18 years mustnot be allowed to operate the chain saw. Persons over theage of 16 years may, however, use the chain saw for thepurpose of being trained as long as they are under thesupervision of a qualified trainer.- Use chain saws always with the utmost care andattention.- Operate the chain saw only if you are in good physicalcondition. If you are tired, your attention will be reduced.Be especially careful at the end of a working day. Performall work calmly and carefully. The user has to acceptliability for others.- Never use the chain saw after having consumed alcohol,drugs or medication. (Fig. 3)- A fire extinguisher must be available in the immediatevicinity when working in easily inflammable vegetation orwhen it has not rained for a long time (danger of fire).3-3. Protective equipment (Fig. 4 & 5)- In order to avoid head, eye, hand or foot injuriesas well as to protect your hearing the followingprotective equipment must be used during operationof the chain saw:- The kind of clothing should be appropriate, i. e. it shouldbe tight-fitting but not be a hindrance. Do not wearjewellery or clothing which could become entangled withbushes or shrubs. If you have long hair, always wear ahairnet!- It is necessary to wear a protective helmet wheneverworking with the chain saw. The protective helmet (1)is to be checked in regular intervals for damage and is tobe replaced after 5 years at the latest. Use only approvedprotective helmets.- The face shield (2) of the protective helmet (or thegoggles) protects against sawdust and wood chips. Duringoperation of the chain saw always wear a goggle or a faceshield to prevent eye injuries.- Wear adequate noise protection equipment (earmuffs (3), ear plugs, etc.). Octave band analysis may beprovided upon request.- The safety jacket (4) is provided with special signal-coloured shoulder straps and is comfortable and easy tocare for.- The protective brace and bib overall (5) is made of anylon fabric with multiple layers and protects against cuts.We strongly recommend its use.- Protective gloves (6) made of thick leather are part of theprescribed equipment and must always be worn duringoperation of the chain saw.- During operation of the chain saw safety shoes or safetyboots (7) fitted with anti skid sole, steel toe caps andprotection for the leg must always to be worn. Safetyshoes equipped with a protective layer provide protectionagainst cuts and ensure a secure footing.- Sawing dry wood can create dust. Use a suitable dustmask.3-4. Fuels/Refuelling- Stop the engine before refuelling the chain saw.- Do not smoke or work near open fires (Fig. 6).- Let the engine cool down before refuelling.- Fuels can contain substances similar to solvents. Eyesand skin should not come in contact with mineral oilproducts. Always wear protective gloves when refuelling.Frequently clean and change protective clothes. Do notbreathe in fuel vapors. Inhalation of fuel vapours can behazardous to your health.- Do not spill fuel or chain oil. When you have spilt fuel or oilimmediately clean the chain saw. Fuel should not come incontact with clothes. If your clothes have come in contactwith fuel, change them at once.- Ensure that no fuel or chain oil oozes into the soil(environmental protection). Use an appropriate base.- Refuelling is not allowed in closed rooms. Fuel vapors willaccumulate near the floor (explosion hazard).- Ensure to firmly tighten the screw plugs of the fuel and oiltanks.- Change the place before starting the engine (at least 3 mfrom the place of refuelling) (Fig. 7).- Fuel cannot be stored for an unlimited period of time. Buyonly as much as will be consumed in the near future.- Use only approved and marked containers for thetransport and storage of fuel and chain oil. Ensurechildren have no access to fuel or chain oil.3-5. Putting into operation- Do not work on your own. Another person mustbe nearby in case of emergencies (within shoutingdistance).- Ensure that there are no children or other people withinthe working area. Pay attention to any animals in theworking area, as well (Fig. 8).- Before starting work the chain saw must be checkedfor perfect function and operating safety according tothe prescriptions.Check especially the function of the chain brake, thecorrect mounting of the guide bar, the correct sharpeningand tightening of the chain, the firm mounting of thesprocket guard, the easy motion of the throttle lever andthe function of the throttle lever lock, the cleanliness anddryness of the handles, and the function of the ON/OFFswitch.- Put the chain saw only into operation if it is completelyassembled. Never use the chain saw when it is notcompletely assembled.- Before starting the chain saw ensure that you have a safefooting.- Put the chain saw into operation only as described in thisinstruction manual (Fig. 9). Other starting methods are not