STIHL KM 56 R Instruction Manual

© ANDREAS STIHL AG & Co. KG, 2020 Printed on chlorine-free paper Original Instruction Manual 0458-540-0121-C. VA5.G20. Printing inks contain vegetable oils, paper can be recycled. 0000000933_026_GB KM 56R, RC Contents ipsl21 20 19 21 21 Conformity of Declaration EC 14 Disposal 17 16 Repairs and Maintenance Specifications Parts Main 18 15 9 10 Damage Avoid and Wear Minimize Care and Maintenance 14 13 Machine the Storing 13 Behavior Running Engine 9 Plug Spark the Carburetor Adjusting 11 3 the AirFilter Cleaning Instructions Operating 7 Engine the /Stopping Starting 7 Fueling 2 Fuel Carrying ring Handle the Loop Mounting 2 KombiTools Approved Techniques Working and Precautions Safety Manual this Using to Guide KombiSystem with electronicwith systems. This instruction manual is protec tedby copyright. All rights r eserved, especially the rights to reproduce, translate and proc Dr. NikolasStihl Your concerning this product. queries any ifyouhave company sales our or dealer your contact Please the product. your satisfaction and trouble-free use of toensure made been has effort Every comprehensive quality assurance. and techniques production modern using built been It has product. STIHL engineered Thank youforc Dear Customer, hoosing a quality aquality hoosing English ess 1 English

Symbols in text KombiSystem Guide to Using this Manual

In the STIHL KombiSystem a number of WARNING Pictograms different KombiEngines and KombiTools Warning where there is a risk of an can be combined to produce a power accident or personal injury or serious tool. In this instruction manual the The meanings of the pictograms damage to property. functional unit formed by the attached to the machine are explained in KombiEngine and KombiTool is referred this manual. to as the power tool. NOTICE Depending on the model concerned, the Therefore, the separate instruction following pictograms may be attached to Caution where there is a risk of manuals for the KombiEngine and your machine. damaging the machine or its individual KombiTool should be used together for components. the power tool. Fuel tank; fuel mixture of gasoline and engine oil Always read and and make sure you Engineering improvements understand both instruction manuals before using your power tool for the first Operate decompression STIHL's philosophy is to continually time and keep them in a safe place for valve improve all of its products. For this future reference. reason we may modify the design, engineering and appearance of our products periodically. Manual fuel pump Therefore, some changes, modifications and improvements may not be covered in this manual. Operate manual fuel pump

Tube of grease

Intake air: Summer operation

Intake air: Winter operation

Handle heating

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The user is responsible for accidents or Only use KombiTools and accessories Safety Precautions and risks involving third parties or their that are explicitly approved for this Working Techniques property. power tool by STIHL or are technically identical. It is important that you read the Special safety precau- The machine should only be provided or chapter on "Approved KombiTools". If tions must be observed loaned to people familiar with this model you have any questions in this respect, when operating a power and its operation. The KombiEngine and consult your dealer. Use only high tool. KombiTool User Manuals should always quality parts and accessories. in order to be handed over with the machine. avoid the risk of accidents and damage Both user manuals (Kom- The use of noise emitting power tools to the machine. may be restricted to certain times by biEngine and KombiTool) STIHL recommends the use of original national or local regulations. must be read through STIHL tools and accessories. They are attentively before using Anyone operating the machine must be specifically designed to match the the unit for the first time well rested, in good physical health and product and meet your performance and kept in a safe place in good mental condition. requirements. for future reference. Non- compliance with the user If you have any condition that might be Never attempt to modify your power tool manuals may cause seri- aggravated by strenuous work, check in any way since this may increase the ous or even fatal injury. with your doctor before operating a risk of personal injury. STIHL excludes machine. all liability for personal injury and Observe all applicable local safety If you have a pacemaker: The ignition damage to property caused while using regulations, e.g. by trade organizations, unauthorized attachments. social insurance institutions, labor safety system of your machine produces an authorities etc. electromagnetic field of very low Do not use a high-pressure washer to intensity. This field may interfere with clean the power tool. The solid jet of If you have never used a power tool some pacemakers. STIHL recommends water may damage parts of the unit. before: Have your dealer or other that persons with pacemakers consult experienced user show you how to their physician and the pacemaker Clothing and equipment operate your machine – or attend a manufacturer to reduce any health risk. special course to learn how to operate it. Anyone who has consumed alcohol or Wear proper protective clothing and Minors should never be allowed to use drugs or medicines affecting their ability equipment. the machine – except for apprentices to react must not operate a power tool. over the age of 16 when working under Do not wear clothing supervision. Use your power tool only for the which could become applications described in the User trapped in wood, brush or Children, animals and bystanders must Manual of the KombiTool you are using. moving parts of the remain at a distance. The machine must not be used for any machine. Do not wear a When not using the machine, it must be other purposes – risk of accidents! scarf, necktie or jewelry. laid down in such a way that it does not Tie up and confine long Do not operate the KombiEngine without endanger anyone. Ensure that the hair above your a properly mounted KombiTool since machine cannot be used without shoulders. authorization. this may result in damage to the machine. See also notes on "Clothing and Equipment" in the User Manual of the KombiTool you are using.

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Transporting the machine allow your clothes to be splashed with – Check the choke lever, throttle fuel. If that happens, change your trigger and throttle trigger lockout clothes at once. for smooth action - throttle trigger must return automatically to idle After fueling, tighten position. The choke lever must down the screw-type fuel spring back from the g and < cap as securely as positions to the run position F when possible. the throttle trigger lockout and throttle trigger are squeezed This helps reduce the risk of unit – Check that the spark plug boot is vibrations causing an incorrectly 002BA271 KN secure – a loose boot may cause tightened fuel cap to loosen or come off sparking that could ignite and spill quantities of fuel. Always stop the engine. combustible fumes and cause a fire! Check for leaks. Do not start the engine By vehicle: When transporting in a – Never attempt to modify the controls if there is a fuel leak – serious or fatal vehicle, properly secure your machine to or safety devices prevent turnover, damage and fuel burns could result! spillage. – Keep the handles dry and clean – Before starting free from oil and dirt – this is See also notes on "Transporting the important for safe control of the Machine" in the User Manual of the machine KombiTool you are using. Check that your power tool is properly assembled and in good condition – refer – Adjust the harness and handle(s) to Refueling to appropriate chapters in the User suit your height and reach Manuals: To reduce the risk of personal injury, do not operate your power tool if it is Gasoline is highly flam- – Check the fuel system for leaks, damaged or not properly assembled! mable – keep away from especially the visible parts, e. g., fire or flame – do not spill fuel cap, hose connections, manual To prepare for emergencies when using any fuel – no smoking. fuel pump (only in machines with a a harness: Practice setting down the manual fuel pump). In case of machine quickly. To avoid damage, do leakage and damage, do not start not throw the machine to the ground Always shut off the engine before the engine – risk of fire! Have the when practicing. refueling. machine serviced by a dealer See also notes on "Before Starting" in Do not fuel a hot engine – fuel may spill before using it the User Manual of the KombiTool you and cause a fire. – Use only an approved combination are using. Open the fuel cap carefully to allow any of cutting attachment, deflector, pressure build-up in the tank to release handle and harness. All parts must Starting the engine slowly and avoid fuel spillage. be assembled properly and securely Only refuel the machine in a well Start the engine at least 3 meters from ventilated place. If fuel has been spilled, – The stop switch must move easily to the fueling spot, outdoors only. immediately clean the machine – do not 0 Place the power tool on firm ground in an open area. Make sure you have good balance and secure footing. Hold the

4 KM 56 R, KM 56 RC English power tool securely. The attachment Use your power tool only in the areas must be clear of the ground and all other specified in the KombiTool User Manual. obstructions because it may begin to run As soon as the engine is when the engine starts. running, the power To reduce the risk of injury, avoid machine generates toxic contact with the attachment exhaust gas. These Do not drop-start the power tool – start gases may be odorless the engine as described in the User 002BA273 KN and invisible and may - Manual. Note that the attachment contain unburned hydro Left hand on loop handle, right hand on continues to run for a short period after carbons and benzene. control handle, even if you are left- you let go of the throttle trigger – Never run the engine handed. - flywheel effect. indoors or in poorly venti lated locations, even if Check idle speed setting: The While working your model is equipped attachment must be stationary when the with a catalytic converter. engine is idling with the throttle trigger released. In the event of impending danger or in To reduce the risk of serious or fatal an emergency, switch off the engine injury from breathing toxic fumes, Keep easily combustible materials immediately – move the stop switch in ensure proper ventilation when working (e. g., wood chips, bark, dry grass, fuel) the direction of 0. in trenches, hollows or other confined away from hot exhaust gases and hot locations. muffler surfaces – risk of fire! The correct engine idle speed is important to ensure that the attachment To reduce the risk of accidents, stop See also notes on "Starting the Engine" stops moving when you let go of the work immediately in the event of in the User Manual of the KombiTool you throttle trigger. If the working tool still nausea, headache, visual disturbances are using. moves at idle speed, have your dealer (e.g. reduced field of vision), problems make proper adjustments or repairs. with hearing, dizziness, deterioration in Holding and guiding the machine Check and correct the idle speed setting ability to concentrate. Apart from other at regular intervals. STIHL recommends possibilities, these symptoms may be caused by an excessively high Always hold the unit firmly with both you have this work done by a STIHL concentration of exhaust gases in the hands on the handles. servicing dealer. work area. Make sure you always have good Be particularly alert and cautious when Operate your power tool so that it balance and secure footing. wearing hearing protection because your ability to hear warnings (shouts, produces a minimum of noise and alarms, etc.) is restricted. emissions – do not run the engine unnecessarily, accelerate the engine Take breaks when you start getting tired only when working. or feeling fatigue – risk of accidents! To reduce the risk of fire, do not smoke Work calmly and carefully – in daylight while operating or standing near your conditions and only when visibility is power tool. Combustible fuel vapor may good. Proceed with caution, do not put escape from the fuel system. others in danger.

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Dust, fumes and smoke produced while The period of usage is shortened by: To reduce the risk of injury from working may be hazardous to health! unintentional engine startup, always – Any personal tendency to suffer Wear respiratory protection in case of shut off the engine and disconnect the from poor circulation (symptoms: heavy dust or smoke emission. spark plug boot before performing any frequently cold fingers, tingling repairs, maintenance or cleaning work. – If your power tool is subjected to sensations). Exception: Carburetor and idle speed unusually high loads for which it was not – Low outside temperatures. adjustments. designed (e.g. heavy impact or a fall), always check that it is in good condition – The force with which the handles Do not turn the engine over on the before continuing work – see also are held (a tight grip restricts starter with the spark plug boot or spark "Before Starting". Check in particular circulation). plug removed since there is otherwise a that the fuel system has no leaks and the Continual and regular users should risk of fire from uncontained sparking. safety equipment is fully operative. monitor closely the condition of their To reduce the risk of fire, do not service Never use a power tool that is no longer hands and fingers. If any of the above or store your machine near open flames. safe to operate. In case of doubt, contact symptoms appear (e.g. tingling Check the fuel filler cap for leaks at a dealer. sensation in fingers), seek medical regular intervals. Do not operate your power tool with the advice. choke lever in the warm start position < Use only a spark plug of the type – the engine speed cannot be controlled Maintenance and Repairs approved by STIHL and make sure it is in this position. in good condition – see "Specifications". Before you leave the machine: Shut the Service the machine regularly. Do not Inspect the ignition lead (insulation in engine off. attempt any maintenance or repair work good condition, secure connection). To reduce the risk of injury, always shut not described in the instruction manual. Check the condition of the muffler. off the engine before changing the Have all other work performed by a servicing dealer. To reduce the risk of fire and damage to KombiTool or attachment. hearing, do not operate your machine if STIHL recommends that you have the muffler is damaged or missing. Vibrations servicing and repair work carried out exclusively by an authorized STIHL Do not touch a hot muffler since burn servicing dealer. STIHL dealers are injury will result. Prolonged use of the power tool may regularly given the opportunity to attend result in vibration-induced circulation training courses and are supplied with problems in the hands (whitefinger the necessary technical information. disease). Only use high-quality replacement parts No general recommendation can be in order to avoid the risk of accidents given for the length of usage because it and damage to the machine. If you have depends on several factors. any questions in this respect, consult a The period of usage is prolonged by: servicing dealer. – Hand protection (wearing warm STIHL recommends the use of genuine gloves) STIHL replacement parts. These parts are specifically designed to match your – Work breaks machine model and meet your performance requirements.

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Mounting the Barrier Bar Approved KombiTools Mounting the Loop Handle

The following STIHL KombiTools may be attached to the KombiEngine: 1 1 2 KombiTool Intended use 2 FS-KM Scythe with mowing head 4 FS-KM 1) Scythe with grass cutting blade FSB-KM Scythe with mowing 002BA586 KN head The new machine is delivered with the 5 HL-KM 145° Long reach hedge loop handle pre-assembled on the unit. trimmer, adjustable HL-KM 0° Long-reach hedge Using the Barrier Bar trimmer 5 FH-KM 145° Scrub cutter 3 BG-KM Blower 3 HT-KM Pole pruner 002BA588 KN N BF-KM Cultivator Take out the screws (1) and remove FCB-KM Edger them along with washers (2) and nuts (3) FCS-KM Edger N SP-KM Harvesters Remove the loop handle (4) and

002BA587 KN clamps (5) KB-KM Bristle brush KW-KM Sweeper drum The barrier bar comes as a standard assembly with the machine and must be mounted to the loop handle. 1) The included barrier bar on the loop handle must be used - see also "Mounting the Loop Handle”

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Orienting and Securing the Loop Handle

2 4

2 A 3 1 5 1

6

002BA098 KN 7 N 7 Insert the square nuts (1) in the 002BA589 KN

barrier bar (2) – the holes must line N 002BA598 KN up Insert the clamp (3) in the loop handle (4) and position them By changing the distance (A), the together on the shaft (5) handle can be moved into the best position for the operator and application. N Position the clamp (6) against the N shaft Secure the loop handle N N Position the barrier bar (2) – note Line up the loop handle position! N Tighten down the screws firmly – N Line up the holes lock the nuts if necessary N Insert the screws (7) in the holes and screw them into the barrier bar as far as they will go N Go to "Adjusting and Securing the Loop Handle" Always leave the barrier bar attached.

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Gasoline with an ethanol content of Carrying ring Fuel more than 10% can cause running problems in engines with a manually Your engine requires a mixture of adjustable carburetor and should not be gasoline and engine oil. used in such engines. Engines equipped with M-Tronic deliver WARNING full power when run on gasoline with an ethanol content of up to 25% (E25). For health reasons, avoid direct skin contact with gasoline and avoid inhaling Engine Oil gasoline vapor. If you mix the fuel yourself, use only 547BA008 KN STIHL two-stroke engine oil or another STIHL MotoMix The carrying ring is integrated in the high-performance engine oil in front end of the control handle. accordance with JASO FB, JASO FC, STIHL recommends the use of STIHL JASO FD, ISO-L-EGB, ISO-L-EGC or MotoMix. This ready-to-use fuel mix ISO-L-EGD. contains no benzol or lead, has a high STIHL specifies STIHL HP Ultra two- octane rating and ensures that you stroke engine oil or an equivalent high- always use the right mix ratio. performance engine oil in order to STIHL MotoMix uses STIHL HP Ultra maintain emission limits over the two-stroke engine oil for an extra long machine’s service life. engine life. Mix Ratio MotoMix is not available in all markets. STIHL 50:1 two-stroke engine oil: 50 Mixing Fuel parts gasoline to 1 part oil Examples

NOTICE Gasoline STIHL engine oil 50:1 Liters Liters (ml) Unsuitable fuels or lubricants or mix ratios other than those specified may 1 0.02 (20) result in serious damage to the engine. 5 0.10 (100) Poor quality gasoline or engine oil may 10 0.20 (200) damage the engine, sealing rings, hoses 15 0.30 (300) and the fuel tank. 20 0.40 (400) Gasoline 25 0.50 (500) N Use only high-quality brand-name Use a canister approved for storing gasoline with a minimum octane rating fuel. Pour oil into canister first, then of 90 – leaded or unleaded. add gasoline and mix thoroughly.

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Storing Fuel Filling up with fuel Fueling

Store fuel only in approved safety-type Take care not to spill fuel while fueling fuel canisters in a dry, cool and safe Preparations and do not overfill the tank. STIHL location protected from light and the sun. recommends you use the STIHL filler nozzle (special accessory). Fuel mix ages – only mix sufficient fuel for a few weeks work. Do not store fuel mix for longer than 30 days. Exposure to Closing screw-type tank cap light, the sun, low or high temperatures can quickly make the fuel mix unusable. STIHL MotoMix may be stored for up to 2 years without any problems. N Thoroughly shake the mixture in the canister before fueling your 547BA045 KN machine. N Before fueling, clean the filler cap and the area around it to ensure that

WARNING no dirt falls into the tank. 002BA448 KN N N Pressure may build up in the canister – Position the machine so that the Place the cap in the opening. filler cap is facing up. open it carefully. N Turn the cap clockwise as far as N stop and tighten it down as firmly as Clean the fuel tank and canister Opening screw-type tank cap from time to time. possible by hand. Dispose of remaining fuel and cleaning fluid properly in accordance with local regulations and environmental requirements. 002BA447 KN

N Turn the cap counterclockwise until it can be removed from the tank opening. N Remove the cap.

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Starting the Engine Also use this setting if the engine has Starting / Stopping the been running but is still cold. Engine Cranking Controls 4 547BA015 KN N

Press the manual fuel pump 547BA018 KN bulb (4) at least five times – even if N Place the unit on the ground: Check 3 the bulb is filled with fuel. 1 that the working tool is not touching Cold engine (cold start) the ground or any other obstacles – see also "Starting / Stopping the Engine" in the KombiTool instruction manual. N Make sure you have a safe and 2 secure footing. 5 N Hold the unit firmly on the ground with your left hand and press down 002BA269 KN – do not touch the throttle trigger or 547BA016 KN 1 Throttle trigger lockout lockout lever. N 2 Throttle trigger Press in the choke lever (5) and turn it to g at the same time. 3 Stop switch with Run and 0 = Stop NOTICE positions. Warm engine (warm start) Do not stand or kneel on the drive tube. Function of stop switch and ignition system The stop switch is normally in the Run position, i.e. when it is not depressed: 5 The ignition is switched on – the engine is ready to start. If the stop switch is moved to the 0 position, the ignition is switched off. The ignition is switched on again automatically after the engine 547BA017 KN stops. N Press in the choke lever (5) and turn it to < at the same time.

KM 56 R, KM 56 RC 11 English

As soon as the engine runs Engine does not start in warm start position < N Move the choke lever to g and continue cranking until the engine runs. If the engine does not start N Check that all settings are correct. N Check that there is fuel in the tank 547BA021 KN and refuel if necessary. N Press down the throttle trigger N Check that the spark plug boot is lockout and open the throttle – the properly connected. choke lever moves to the run N position F. After a cold start, warm Repeat the starting procedure. up the engine by opening the Fuel tank run until completely dry throttle several times. N After refueling, press the manual

547BA020 KN fuel pump bulb at least five times – WARNING even if the bulb is filled with fuel. N Hold the starter grip with your right Make sure the carburetor is correctly N hand. Set the choke lever to suit the adjusted. The working tool must not engine temperature. Version without ErgoStart rotate when the engine is idling. N Now start the engine. Your machine is now ready for N Pull the starter grip slowly until you operation. feel it engage and then give it a brisk strong pull. Stopping the Engine Version with ErgoStart N N Pull the starter grip steadily. Move the stop switch in the direction of 0 – the engine stops – release the stop switch – it springs back to NOTICE the run position. Do not pull out the starter rope all the way – it might otherwise break. Other Hints on Starting N Do not let the starter grip snap back. Guide it slowly back into the housing Engine stalls in cold start position g or so that the starter rope can rewind under acceleration properly. N Move the choke lever to < and N Continue cranking until engine runs. continue cranking until the engine runs.

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Operating Instructions Cleaning the Air Filter 4

During break-in period If there is a noticeable loss of engine power A factory-new machine should not be run at high revs (full throttle off load) for 547BA023 KN the first three tank fillings. This avoids N unnecessary high loads during the 3 Reach into the recess (4) in the filter break-in period. As all moving parts housing and take out the felt have to bed in during the break-in 2 filter (5). period, the frictional resistances in the 1 N Fit a new felt filter element (5). As a engine are greater during this period. temporary measure you can knock it The engine develops its maximum out on the palm of your hand or blow power after about 5 to 15 tank fillings. 547BA022 KN it out with compressed air. Do not N Move the choke lever (1) to <. wash. During Operation N Turn the screw (2) in the filter cover (3) counterclockwise until the NOTICE After a long period of full throttle cover is loose. operation, allow the engine to run for a Replace damaged parts. N Ease the filter cover (3) over the short while at idle speed so that engine N Fit the felt filter (5) in the filter choke lever and lift it away. heat can be dissipated by the flow of housing, make sure it is properly cooling air. This protects engine- N Clean away loose dirt from around seated – the arrow points to the mounted components (ignition, the filter. recess. carburetor) from thermal overload. N Move the choke lever (1) to <. After Finishing Work N Fit the filter cover in position, making sure the screw is square. Tighten down the screw. Storing for a short period: Wait for the engine to cool down. Empty the fuel tank and keep the machine in a dry place, well away from sources of ignition, until you need it again. For longer out-of- service periods – see "Storing the Machine".

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Adjusting the Carburetor WARNING Spark Plug If the working tool or cutting attachment The carburetor comes from the factory continues to run when the engine is N If the engine is down on power, with a standard setting. idling, have your machine checked and difficult to start or runs poorly at idle repaired by your servicing dealer. speed, first check the spark plug. On this machine it is no longer necessary to adjust the carburetor. N Fit a new spark plug after about 100 operating hours – or sooner if the It has been set at the factory to provide electrodes are badly eroded. Install an optimum fuel-air mixture in all only suppressed spark plugs of the locations and operating conditions. type approved by STIHL – see "Specifications". Adjusting Idle Speed Removing the Spark Plug Engine stops while idling N Shut off the engine.

1 2 0815BA006 KN N Warm up the engine for about 547BA041 KN 3 minutes. N Remove the spark plug boot (1). N Turn the idle speed screw (LA) N Unscrew the spark plug (2). slowly clockwise until the engine runs smoothly – the cutting attachment must not move. Cutting attachment runs when engine is idling N Turn the idle speed screw (LA) counterclockwise until the cutting attachment stops running and then turn the screw about another 1/2 to 3/4 turn in the same direction.

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Checking the Spark Plug N Use resistor type spark plugs with a properly tightened adapter nut. Engine Running Behavior

Installing the Spark Plug If engine running behavior is unsatisfactory even though the air filter N Screw the spark plug into the is clean and the carburetor is properly cylinder. adjusted, the cause may be the muffler. N Press the boot firmly onto the spark Have the muffler checked for plug. contamination (carbonization) by your A servicing dealer. 000BA039 KN N STIHL recommends that you have Clean dirty spark plug. servicing and repair work carried out N Check electrode gap (A) and exclusively by an authorized STIHL readjust if necessary – see servicing dealer. "Specifications". N Rectify the problems which have caused fouling of the spark plug. Possible causes are: – Too much oil in fuel mix. – Dirty air filter. – Unfavorable running conditions.

1 000BA045 KN

WARNING Arcing may occur if the adapter nut (1) is loose or missing. Working in an easily combustible or explosive atmosphere may cause a fire or an explosion. This can result result in serious injuries or damage to property.

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Storing the Machine

For periods of 3 months or longer N Drain and clean the fuel tank in a well ventilated area. N Dispose of fuel properly in accordance with local environmental requirements. N Run the engine until the carburetor is dry – this helps prevent the carburetor diaphragms sticking together. N Thoroughly clean the machine – pay special attention to the air filter. N Remove, clean and check the attachment. Coat metal parts with corrosion inhibiting oil. N Store the machine in a dry and secure location Keep out of the reach of children and other unauthorized persons.

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Maintenance and Care

The following intervals apply to normal operating conditions only. If your daily work- ing time is longer or operating conditions are difficult (very dusty work area, etc.), shorten the specified intervals accordingly. before starting work starting before daily or work finishing after stop refueling each after weekly monthly months 12 every problem if damaged if required as

Visual inspection (condition, leaks) X X Complete machine Clean X

Control handle Check operation XX

Clean XX Air filter Replace X

Check X Manual fuel pump Have repaired by servicing dealer1) X

Check X Pickup body in fuel tank Replace XXX

Fuel tank Clean XX

Check idle adjustment – the working/cut- XX Carburetor ting attachment must not move Readjust idle X

Readjust electrode gap X Spark plug Replace after every 100 operating hours

Visual inspection X Cooling inlets Clean X

All accessible screws and nuts (not adjust- Retighten X ing screws)

Safety labels Replace X

1) STIHL recommends an authorized STIHL servicing dealer.

KM 56 R, KM 56 RC 17 English

servicing dealer. STIHL dealers are Minimize Wear and Avoid regularly given the opportunity to attend Damage training courses and are supplied with the necessary technical information. Observing the instructions in this manual helps reduce the risk of unnecessary If these maintenance operations are not wear and damage to the power tool. carried out as specified, the user assumes responsibility for any damage The power tool must be operated, that may occur. Among other parts, this maintained and stored with the due care includes: and attention described in this owner's manual. – Damage to the engine due to neglect or deficient maintenance The user is responsible for all damage (e.g. air and fuel filters), incorrect caused by non-observance of the safety carburetor adjustment or precautions, operating and maintenance inadequate cleaning of cooling air instructions in this manual. This includes inlets (intake ports, cylinder fins). in particular: – Corrosion and other consequential – Alterations or modifications to the damage resulting from improper product not approved by STIHL. storage. – Using tools or accessories which – Damage to the machine resulting are neither approved or suitable for from the use of poor quality the product or are of a poor quality. replacement parts. – Using the product for purposes for which it was not designed. Parts Subject to Wear and Tear – Using the product for sports or competitive events. Some parts of the power tool are subject – Consequential damage caused by to normal wear and tear even during continuing to use the product with regular operation in accordance with defective components. instructions and, depending on the type and duration of use, have to be replaced Maintenance Work in good time. Among other parts, this includes: – All the operations described in the Clutch "Maintenance Chart" must be performed – Filters (air, fuel) on a regular basis. If these maintenance – Rewind starter operations cannot be performed by the owner, they should be performed by a – Spark plug servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL

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Main Parts

1 Manual fuel pump 2 Fuel cap 3 Tank 1 4 4 Starter grip 2 5 Muffler 6 Carburetor adjusting screws 5 7 Choke lever 3 8 Air filter cover 9 Spark plug boot 10 Machine support 11 Throttle trigger 12 Throttle trigger lockout 13 Stop switch 14 Carrying ring 9 15 Loop handle 15 16 Barrier bar 6 17 Shaft 13 16 20 14 12 8 18 Coupling sleeve 18 7 19 Wing screw 20 Sleeve 17 # Serial number 19 11 10 # 540BA010 STI

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Sound and Vibration Levels Specifications Handle, right KM 56 RC: 4.8 m/s2 ... 8.2 m/s2 For further details on compliance with The K-factor in accordance with Engine Vibration Directive 2002/44/EC see Directive 2006/42/EC is 2.0 dB(A) for www.stihl.com/vib the sound pressure level and sound power level; the K-factor in accordance KombiTool Single cylinder two-stroke engine with Directive 2006/42/EC is 2.0 m/s2 Displacement: 27.2 cc For version see "Approved for the vibration level. KombiTools". Bore: 34 mm REACH Stroke: 30 mm To determine the noise and vibration values, idle speed and nominal Engine power to 0.8 kW (1.1 bhp) maximum speed are considered in the ISO 8893: at 8,500 rpm REACH is an EC regulation and stands following ratios: for the Registration, Evaluation, Idle speed: 2,800 rpm Authorisation and Restriction of for FCS-KM, FCB-KM, Cut-off speed (rated): 10,000 rpm Chemical substances. FS-KM, FSB-KM, FH-KM - Ignition System and HT KM 1 to 1 For information on compliance with the for HL-KM 1 to 4 REACH regulation (EC) No. 1907/2006 see www.stihl.com/reach. for BF-KM, KB-KM, KW-KM, Electronic magneto ignition BG-KM and SP-KM 1 to 6 Exhaust Emissions Spark plug (resistor The exact noise and vibration type): NGK CMR 6 H specifications depend on the KombiTool Electrode gap: 0.5 mm being used and are described in the The CO2value measured in the EU type User Manual of the KombiTool. approval procedure is specified at Fuel System www.stihl.com/co2. Sound pressure level Lpeq measured The measured CO2value was according to ISO 22868, ISO 11201, determined on a representative engine All position diaphragm carburetor with ISO 11789 in accordance with a standardized test integral fuel pump procedure under laboratory conditions KM 56 RC: 90 dB(A) ... 96 dB(A) Fuel tank capacity: 340 cc (0.34 l) and does not represent either an explicit or implied guarantee of the performance Sound power level Lw measured Weight according to ISO 22868, ISO 3744 of a specific engine. The applicable exhaust emission KM 56 RC: 103 dB(A) ... 109 dB(A) requirements are fulfilled by the dry, without KombiTool Vibration level a to ISO 20643, intended usage and maintenance KM 56 RC with ErgoStart: 4.3 kg hv,eq described in this instruction manual. The ISO 22867, ISO 11789 type approval expires if the engine is Handle, left modified in any way. KM 56 RC: 4.7 m/s2 ... 8.5 m/s2

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Maintenance and Repairs Disposal EC Declaration of Conformity

Users of this machine may only carry out Observe all country-specific waste ANDREAS STIHL AG & Co. KG the maintenance and service work disposal rules and regulations. Badstr. 115 described in this user manual. All other D-71336 Waiblingen repairs must be carried out by a Germany servicing dealer. declares under our sole responsibility STIHL recommends that you have that servicing and repair work carried out exclusively by an authorized STIHL Designation: KombiEngine servicing dealer. STIHL dealers are Make: STIHL regularly given the opportunity to attend training courses and are supplied with 000BA073 KN Series: KM 56 R the necessary technical information. KM 56 RC STIHL products must not be thrown in When repairing the machine, only use the garbage can. Take the product, KM 56 RC-E replacement parts which have been accessories and packaging to an Serial identification approved by STIHL for this power tool or approved disposal site for environment- number: 4144 are technically identical. Only use high- friendly recycling. Displacement: 27.2 cc quality replacement parts in order to Contact your STIHL servicing dealer for conforms to the relevant provisions of avoid the risk of accidents and damage the latest information on waste disposal. Directives 2011/65/EU, 2006/42/EC and to the machine. 2014/30/EU and has been developed STIHL recommends the use of original and manufactured in compliance with STIHL replacement parts. the following standards in the versions Original STIHL parts can be identified by valid on the date of production: { the STIHL part number, the EN ISO 12100, EN 55012, K logo and the STIHL parts symbol EN 61000-6-1 (in conjunction with the (the symbol may appear alone on small following KombiTools: BF-KM, BG-KM, parts). FCB-KM, FCS-KM, FH-KM, FS-KM, FSB-KM, HL-KM, HT-KM, KB-KM, KW-KM and SP-KM) The KombiEngine described here may be operated only in conjunction with the KombiTools approved by STIHL for use with this KombiEngine. Technical documents deposited at: ANDREAS STIHL AG & Co. KG Produktzulassung The year of manufacture and serial number are applied to the product.

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Done at Waiblingen, 03.02.2020 ANDREAS STIHL AG & Co. KG pp

Dr. Jürgen Hoffmann Head of Product Data, Regulations and Licensing

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0458-540-0121-C englisch G www.stihl.com *04585400121C* 0458-540-0121-C