Spark Plug..........15 Engineering improvements Engine Running Behavior......16 Storing the Machine........16 STIHL's philosophy is to continually improve all Maintenance and Care......17 of its products. For this reason we may modify Minimize Wear and Avoid Damage...17 the design, engineering and appearance of our Main Parts..........18...
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Clothing and equipment Only use parts and accessories that are explicitly Wear proper protective clothing and equipment. approved for this power tool by STIHL or are Clothing must be sturdy but allow technically identical. If you have any questions in complete freedom of movement.
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Watch out for obstacles: Be careful of refuse, thrown foreign objects. If the blower housing is tree stumps, roots and ditches which could damaged, consult your dealer – STIHL recom‐ cause you to trip or stumble. mends you contact a STIHL servicing dealer.
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2 Safety Precautions and Working Techniques English Work calmly and carefully – in daylight conditions leaks and the safety equipment is fully operative. and only when visibility is good. Proceed with Do not continue operating your power tool if it is caution, do not put others in danger.
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This results in a considerable loss of suction power. In such a case you should contact your dealer. STIHL rec‐ ommends you have this work done by a STIHL servicing dealer. Take particular care when vacuuming wet leaves since they may block the blower wheel and elbow.
(whitefinger disease). Use only a spark plug of the type approved by No general recommendation can be given for the STIHL and make sure it is in good condition – length of usage because it depends on several see "Specifications".
25% (E25). 5.2.2 Engine Oil If you mix the fuel yourself, use only STIHL two- stroke engine oil or another high-performance engine oil in accordance with JASO FB, JASO FC, JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-L- ►...
► Before fueling, clean the filler cap and the area unusable. around it to ensure that no dirt falls into the STIHL MotoMix may be stored for up to 2 years tank. without any problems. ► Position the machine so that the filler cap is ►...
English 7 Starting / Stopping the Engine ► Press the manual fuel pump bulb (1) at least WARNING five times – even if the bulb is filled with fuel. 7.1.1 Adjusting the setting lever After fueling, tighten down the filler cap as securely as possible.
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F – the engine returns to idle speed. Stopping the Engine 7.3.1 BG 56, BG 66, SH 56 ► Place the unit on the ground so that it is secure. ► Make sure you have a firm footing: Hold the unit firmly with your right hand on the housing and press down.
English 8 Cleaning the Air Filter Version with Flat Filter Material 7.3.2 BG 66 C, BG 86, SH 86 ► Move the setting lever to 0 – the engine stops ► Turn the filter cover lock (1) counterclockwise – the setting lever springs back to the on posi‐ to the vertical position.
– Using the product for purposes for which it was not designed. STIHL recommends that this work be done by a STIHL servicing dealer. Not in all versions, country-specific 0458-296-0121-F...
27.2 cm Maximum air speed (blower mode, round nozzle) Cylinder bore: 34 mm Piston stroke: 30 mm BG 56: 71 m/s Idle speed: 2500 rpm BG 66: 62 m/s Engine power to ISO 7293: BG 86: 76 m/s BG 56: 0.7 kW (1.0 bhp)
Exhaust Emissions The CO value measured in the EU type approval procedure is specified at www.stihl.com/co2. STIHL products must not be thrown in the gar‐ The measured CO value was determined on a bage can. Take the product, accessories and representative engine in accordance with a packaging to an approved disposal site for envi‐...