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STIHL BF-MM, BK-MM
Instruction Manual Manual de instrucciones
Warning!
Read and follow all safety precautions in Instruction Manual – improper use can cause serious or fatal injury.
Advertencia!
Lea y siga todas las precauciones de seguridad dadas en el manual de instrucciones – el uso incorrecto puede causar lesiones graves o mortales.
Instruction Manual 1 - 16
Manual de instrucciones 17 - 33
Contents
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MultiSystem |
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Guide to Using this Manual |
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Safety Precautions and Working |
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Manual |
Techniques |
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Using the Unit |
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Instruction |
Mounting the MultiTool |
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Approved MultiEngines |
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Original |
Starting / Stopping the Engine |
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Storing the Machine |
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recycled. |
Maintenance and Care |
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Specifications |
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Main Parts |
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Maintenance and Repairs |
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can |
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Trademarks |
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on chlorine-free paper inks contain vegetable oils, paper |
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Printed Printing |
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© ANDREAS STIHL AG & Co. KG, 2011 0458-484-8621. M2-C11.PM. 0000000545 001 GB |
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English
Allow only persons who fully understand the manuals of the MultiEngine and soil cultivator MultiTool to operate this power tool combination.
To receive maximum performance and satisfaction from your STIHL MultiTool, it is important that you read, understand and follow the safety precautions and the operating and maintenance instructions in chapter "Safety Precautions and Working Techniques" before using your MultiTool. For further information you can go to www.stihlusa.com.
Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in the two manuals.
Warning!
Because a MultiEngine equipped with a soil cultivator MultiTool is a power tool with a relatively fast turning attachment, some special safety precautions must be observed to reduce the risk of personal injury. Careless or improper use may cause serious or even fatal injury.
BF-MM, BK-MM |
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MultiSystem |
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KN |
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469BA028 |
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In the STIHL MultiSystem, various MultiEngines and MultiTools are combined to form a machine. In this Instruction Manual, the functional unit of MultiEngine and MultiTool is referred to as a machine.
Accordingly, the instruction manuals for the MultiEngine and the MultiTool constitute the entire Instruction Manual for the machine.
Always read both manuals carefully before using your machine for the first time and keep them safe for future reference.
Guide to Using this Manual
Pictograms
All the pictograms attached to or embossed on the machine are shown and explained in this manual.
Symbols in Text
Many operating and safety instructions are supported by illustrations.
The individual steps or procedures described in the manual may be marked in different ways:
N A bullet marks a step or procedure.
A description of a step or procedure that refers directly to an illustration may contain item numbers that appear in the illustration. Example:
N Loosen the screw (1). N Lever (2) ...
In addition to the operating instructions, this manual may contain paragraphs that require your special attention. Such paragraphs are marked with the symbols and signal words described below:
Danger!
Indicates an imminent risk of severe or fatal injury.
Warning!
Indicates a hazardous situation which, if not avoided, could result in severe or fatal injury.
Caution!
Indicates a risk of property damage, including damage to the machine or its individual components.
Engineering Improvements
STIHL’s philosophy is to continually improve all of its products. As a result, engineering changes and improvements are made from time to time. Therefore, some changes, modifications and improvements may not be covered in this manual. If the operating characteristics or the appearance of your machine differ from those described in this manual, please contact your STIHL dealer for assistance.
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BF-MM, BK-MM |
Safety Precautions and
Working Techniques
Because a MultiEngine equipped with a soil cultivator MultiTool is a high-speed power tool, special safety precautions must be observed to reduce the risk of personal injury.
It is important that you read, fully understand and observe the following safety precautions and warnings. Read the instruction manuals and the safety precautions of your MultiEngine and MultiTool periodically. Careless or improper use may cause serious or fatal injury.
Have your STIHL dealer show you how to operate your power tool. Observe all applicable local safety regulations, standards and ordinances.
Warning!
Do not lend or rent your power tool without the instruction manuals of your MultiEngine and MultiTool. Be sure that anyone using it understands the information contained in these manuals.
Warning!
The use of this machine may be hazardous. If a rotating blade comes in contact with your body, it will injure you. When it comes in contact with solid foreign objects such as rocks or bits of metal, it may fling them directly or by ricochet in the direction of bystanders or the operator. Striking such objects could damage the MultiTool and may cause blades to crack, chip or break. Thrown objects, including broken blades, may result in serious or fatal injury to the operator or bystanders.
STIHL does not recommend the use of non-elastic blades in stony areas.
Use your MultiEngine equipped with the soil cultivator MultiTool only for rejuvenation of flower beds and plantings, and for mixing soil-improving additives into the soil.
Warning!
Do not use it for other purposes, since misuse may result in personal injury or property damage, including damage to the machine.
Warning!
Minors should never be allowed to use this power tool. Bystanders, especially children, and animals should not be allowed in the area where it is in use.
English
Warning!
To reduce the risk of injury to bystanders and damage to property, never let your power tool run unattended. When it is not in use (e.g. during a work break), shut it off and make sure that unauthorized persons do not use it.
Most of these safety precautions and warnings apply to the use of all STIHL power tools. Different models may have different parts and controls. See the appropriate section of your MultiEngine and MultiTool instruction manuals for a description of the controls and the function of the parts of your model.
Safe use of a power tool involves
1.the operator
2.the power tool
3.the use of the power tool.
THE OPERATOR
Physical Condition
You must be in good physical condition and mental health and not under the influence of any substance (drugs, alcohol, etc.) which might impair vision, dexterity or judgment. Do not operate this machine when you are fatigued.
BF-MM, BK-MM |
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English
Warning!
Be alert – if you get tired, take a break. Tiredness may result in loss of control. Working with any power tool can be strenuous. If you have any condition that might be aggravated by strenuous work, check with your doctor before operating this machine.
Proper Clothing
Warning!
To reduce the risk of injury, the operator should wear proper protective apparel.
The suitable deflector for your power tool will not protect the operator from all foreign objects (stones, glass, wire, etc.) thrown back by the rotating attachment. Thrown objects may also ricochet and strike the operator.
4
Warning!
To reduce the risk of injury to your eyes never
operate your power tool unless wearing goggles or properly fitted protec-
tive glasses with adequate top and side protection complying with ANSI Z 87.1 (or your applicable national standard). To reduce the risk of injury to your face STIHL recommends that you also wear a face shield or face screen over your goggles or protective glasses.
Power tool noise may damage your hearing. Wear sound barriers (ear plugs or ear mufflers) to protect your hearing. Continual and regular users should have their hearing checked regularly.
Be particularly alert and cautious when wearing hearing protection because your ability to hear warnings (shouts, alarms, etc.) is restricted.
Always wear gloves when handling the power tool and the attachment. Heavy-duty, nonslip gloves improve your grip and help to protect your hands.
Clothing must be sturdy and snug-fitting, but allow complete freedom of movement. Wear long pants made of heavy material to help protect your legs. Do not wear shorts, sandals or go barefoot.
Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or cuffed pants, unconfined long hair or anything that could become caught on branches, brush or the moving parts of the unit. Secure hair so it is above shoulder level.
Good footing is very important. Wear sturdy boots with nonslip soles.
Steel-toed safety boots are recommended.
For further instructions on proper clothing see the safety precautions in the instruction manual of the MultiEngine you are using.
THE POWER TOOL (MULTIENGINE EQUIPPED WITH SOIL CULTIVATOR MULTITOOL)
For illustrations and definitions of the power tool parts see the chapter on "Main Parts."
Warning!
Never modify this power tool in any way. Only attachments supplied by STIHL and expressly approved by STIHL for use with the specific STIHL power tool models are authorized. Although certain unauthorized attachments are useable with STIHL power tools, their use may, in fact, be extremely dangerous.
If this tool is subjected to unusually high loads for which it was not designed (e.g. heavy impact or a fall), always check that it is in good condition before continuing work. Check in particular that the fuel system is tight (no leaks) and that the controls and safety devices are working properly. Do not continue
BF-MM, BK-MM
operating this machine if it is damaged. In case of doubt, have it checked by your STIHL servicing dealer.
THE USE OF THE POWER TOOL (MULTIENGINE EQUIPPED WITH SOIL CULTIVATOR MULTITOOL)
Transporting the Power Tool
Warning!
To reduce the risk of injury from loss of control and MultiTool contact, never carry or transport your power tool with the MultiTool moving.
Warning!
Always switch off the engine and make sure the MultiTool has stopped before putting a power tool down.
469BA001 KN
Grip the power tool by the carrying handle with the attachment facing forward.
Warning!
When transporting it in a vehicle, properly secure it to prevent turnover, fuel spillage and damage to the unit.
Before Starting
Warning!
Always check your power tool for proper condition and operation before starting. Never attempt to modify the controls or safety devices.
Warning!
Never operate your power tool if it is damaged, improperly adjusted or maintained, or not completely or securely assembled.
Unfold the bike handle into the working position and secure it with the knob (see chapter "Adjusting the bicycle handle" of your MultiEngine instruction manual.)
Keep the handles clean and dry at all times; it is particularly important to keep them free of moisture, pitch, oil, fuel mix, grease or resin in order for you to maintain a firm grip and properly control your power tool.
Warning!
To reduce the risk of injury from the MultiTool rotating in the wrong direction, check that the position of the gearbox is correct and change it if necessary.
English
On metal tools (top illustration), position the gearbox so that the shaft is below the drive tube.
Use for:
–BF-MM cultivator blades with pointed tines
–BK-MM cultivator blades with curved tines
–FC-MM edger
–RL-MM aerator
–MF-MM dethatcher
Warning!
The MultiTool must be properly tightened and in safe operating condition. Inspect for loose parts (hitch pins, screws, etc.) and for cracked, bent, warped or damaged blades. Replace damaged blades before using the power tool.
BF-MM, BK-MM |
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English
Warning!
Do not attach any MultiTool to a unit without proper installation of all required parts. Failure to use the proper parts may cause the attachments to fly off and seriously injure the operator or bystanders.
Warning!
To reduce the risk of injury from thrown objects and contact with the attachment, never operate your power tool without a properly mounted deflector.
Check your MultiTool instruction manual to ensure you are using the appropriate deflector for the MultiTool mounted.
Starting
Warning!
Start the engine at least 10 feet (3 m) from the fueling spot, outdoors only.
For specific starting instructions, see the appropriate section of your MultiEngine and MultiTool manuals.
Place the power tool on firm ground or other solid surface in an open area. Maintain good balance and secure footing.
469BA027 KN
Warning!
Always stand to one side of the unit to avoid the risk of injury from contact with the rotating MultiTool.
Warning!
To reduce the risk of injury from loss of control, be absolutely sure that the MultiTool is clear of you and all other obstructions and objects, including the ground, because when the engine starts at starting-throttle, engine speed will be fast enough for the clutch to engage and move the MultiTool.
Once the engine has started, immediately blip the throttle trigger, which should release the starting throttle and allow the engine to slow down to idle.
Warning!
Your power tool is a one-person machine. Do not allow other persons in the general work area, even when starting.
See also the safety precautions on Starting in the instruction manual of the MultiEngine.
During Operation
Holding and Controlling the Power
Tool
469BA045 KN
Always hold the unit firmly with both hands on the handles while you are working. Wrap your fingers and thumbs around the handles, keeping the handles cradled between your thumb and forefinger. Keep your hands in this position to have your power tool under control at all times.
Warning!
Never attempt to operate your power tool with one hand. Loss of con-
trol of the power tool may result in serious or fatal injury. To reduce
the risk of injury, keep hands and feet away from the MultiTool. Never touch a moving MultiTool with your hand or any other part of your body.
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BF-MM, BK-MM |
Warning!
Do not overreach. Keep proper footing and balance at all times. Special care must be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. Watch for hidden obstacles such as tree stumps, roots and ditches to avoid stumbling. For better footing, clear away scrub and cuttings. Be extremely cautious when working on slopes or uneven ground.
Operate the power tool only at a normal walking pace.
Warning!
To avoid the risk of injury from contact with the rotating attachment, be extremely cautious when pulling the power tool toward you.
Be extremely cautious when changing direction with the power tool – especially on slopes.
Warning!
To avoid the risk of injury from loss of control, never work on steep slopes.
Working Conditions
Start and operate your power tool only outdoors in a well-ventilated area. Operate it under good visibility and daylight conditions only. Work carefully.
Warning!
If the soil being worked on or the surrounding ground is coated with a chemical substance (such as an active pesticide or herbicide), read and follow the instructions and warnings that accompany the substance at issue.
Warning!
Inhalation of certain dusts, especially organic dusts such as mold or pollen, can cause susceptible persons to have an allergic or asthmatic
reaction. Substantial or repeated inhalation of dust and other airborne contaminants, in particular those with a smaller particle size, may cause respiratory or other illnesses. Control dust at the source where possible. Use good work practices, such as operating the unit so that the wind or operating process directs any dust raised by the power tool away from the operator. Follow the recommendations of EPA / OSHA / NIOSH and occupational and trade associations with respect to dust ("particulate matter"). When the inhalation of dust cannot be substantially controlled, i.e., kept at or near the ambient (background) level, the operator and any bystanders should wear a respirator approved by NIOSH / MSHA for the type of dust encountered.
English
Danger!
Your power tool is not insulated against electric shock. To reduce the risk of electrocution, ensure that there are no power cables near the surface
or in the working area that could come into contact with the MultiTool. Damaging such cables with the tool can cause electric shocks with serious or fatal consequences.
Information on the routing of cables can be obtained from public utilities and such service providers as "Miss Utility" or "One Call."
Warning!
Use the power tool at ground level only. The risk of injury is increased if you use MultiTools above ground level because they are more exposed and the power tool is more difficult to control.
Operating Instructions
Warning!
Do not operate your power tool using the starting throttle lock, as you do not have control of the engine speed.
In the event of an emergency, switch off the engine immediately – move the slide control / stop switch to 0 or STOP.
Warning!
The MultiTool continues to rotate for a short period after the throttle trigger is released (flywheel effect).
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English
If the MultiTool or deflector becomes clogged or stuck, always switch off the engine and make sure the attachment has stopped before cleaning. Grass, weeds, etc. should be cleaned off the attachment as necessary.
5m (16ft)
To reduce the risk of eye and other injury ensure that bystanders are at least
16 feet (5 m) away. Bystanders should be encouraged to wear eye protection. To reduce the risk of damage to property, also maintain this distance from such objects as vehicles or windows.
Stop the engine immediately if you are approached.
Warning!
Before you start work, examine the area for stones, glass, pieces of metal, rubbish or other solid objects. Such objects could be hurled by the cutting tool and directly or indirectly strike the operator or bystanders. Such objects may also damage the MultiTool. The blade may shatter, splinter or break. Flying objects or damaged blades may cause serious or fatal injury to the operator and bystanders.
Warning!
Never divert discharge of material toward bystanders nor allow anyone near the area of operation. Use care in directing discharge to avoid damage to surfaces, automobiles, and the like.
Warning!
Avoid cutting close to fences, sides of buildings, tree trunks, stones or similar obstacles which could damage the blade or lead to loss of control of the unit. Be aware of a higher risk of ricochets in such conditions. Flying objects or damaged blades may cause serious or fatal injuries to the operator and bystanders. Avoid the roots of trees! Large roots may jam the blades and damage the machine. The tree may also be damaged if its roots are severed.
If the machine strikes a buried object (such as a stone), stop the engine and remove the obstacle. Examine the machine for signs of damage before continuing.
Warning!
Check the tightness and condition of the MultiTool at regular intervals during cutting. If the behaviour of the tool changes, stop the engine immediately and examine the tool. Replace a cracked, bent, warped or damaged blade immediately, even if damage is limited to superficial cracks. Such attachments may shatter at high speed and cause serious or fatal injury.
Warning!
The gearbox becomes hot during operation. To reduce the risk of burn injury, do not touch the gear housing when it is hot.
MAINTENANCE, REPAIR AND STORING
Warning!
Always stop the engine and make sure that the attachment is stopped before doing any maintenance or repair work or cleaning the power tool. Do not attempt any maintenance or repair work not described in your MultiEngine and MultiTool instruction manuals. Have such work performed at your STIHL servicing dealer only.
Warning!
Use only identical STIHL replacement parts for maintenance and repair. Use of non-STIHL parts may cause serious or fatal injury.
Wear gloves when handling or performing maintenance on blades.
Warning!
Never repair damaged attachments by welding, straightening or modifying the shape. This may cause parts of the attachment to come off and result in serious or fatal injuries.
Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use.
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BF-MM, BK-MM |
Do not clean your machine with a pressure washer. The solid jet of water may damage parts of the machine.
Store the power tool in a dry and high or locked location out of reach of children.
Using the Unit
General |
469BA015 KN |
Cultivator MultiTools are available in versions with pick tines (BF-MM) and bolo tines (BK-MM).
Pick tines
469BA017 KN
Pick tines are particularly suitable for tilling and loosening hard or packed soil.
English
Bolo tines
469BA018 KN
Not available in all markets.
Bolo tines are particularly suitable for working cultivated, lighter soils.
Preparations
NSecure the handlebar in the normal operating position.
N Start the engine.
Working Technique
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469BA016 KN
The MultiEngine with rotor blades can be operated forwards (1) or backwards (2).
Choose the method and type of rotor blade to suit your purpose, i.e. this depends on the shape and size of the area and soil conditions.
BF-MM, BK-MM |
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English
Working in an alternating backwards and forwards motion is particularly suitable for loosening packed soil.
Working in a steady backwards or forwards motion is particularly suitable for working loose soil.
The rotor blades may only be mounted and operated in one position. Arrows on the blades show the required direction of rotation – see chapter on "Mounting the MultiTool".
Typical Applications
N Breaking up soil
469BA019 KN
A few preparations are necessary before you begin to break up soil which has been previously tilled (e.g. last year's vegetable or flower garden). First clear away surface weeds and remains of other plants as well as hard objects like rocks, stones, bottles, pieces of wood etc.
Hold the cultivator firmly with both hands and till only a small area at a time to the required depth.
Finish tilling the area by guiding the cultivator in such a way that you leave no footprints. Use a rake to level off the entire area.
N Loosening soil around plants
469BA020 KN |
Only loosen the surface soil around plants. Avoid going too deep as this could damage the shallow roots of some plants.
To avoid any damage to the cultivator or trees, be wary not to catch the blades on the large roots of trees.
N Working in soil improvers
The cultivator can be used for mulching with loam, compost, leaves, other organic material or fertilizers.
Prepare the area by removing all old roots, the remains of large plants and hard objects (stones etc.). Spread the mulch evenly on the ground.
Work in the mulch with a back and forth motion.
Finish off by leveling the area with a rake.
N Trenching or furrowing
Walk slowly backward and pull the cultivator to create the furrow required. Repeat as necessary to obtain deeper furrows.
Cleaning the rotor blades
Parts of plants, e.g. roots, can become tightly wrapped around or between the rotor blades during operation. To clean the rotor blades:
–Wear gloves.
–Pull the hitch pins out of the axle.
–Pull the rotor blades off the shaft.
–Remove roots, plants and soil.
Refer to "Mounting the MultiTool" for mounting instructions.
Cultivator spur (special accessory)
The cultivator spur simplifies control and makes operation of the power tool less tiring. It slows the forward motion and reduces the effort required to hold the power tool.
The spur breaks up the ridge between the rotor blades when tilling hard soil.
469BA003 KN |
NUse the screw and knob to mount the cultivator spur to the right-hand side of the flange.
NSet the spur to the required depth and tighten it down firmly.
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BF-MM, BK-MM |
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