Stihl BF-KM Instruction Manual
STIHL BF-KM
WARNING
Read Instruction Manual thoroughly
before use and follow all safety
precautions – improper use can
cause serious or fatal injury.
ADVERTENCIA
Antes de usar la máquina 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
Manual de instrucciones
Instruction Manual
1 - 18
Manual de instrucciones
19 - 37
Contents
English
KombiSystem 2
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 3
Using the Unit 8
Approved KombiEngines 10
Assembling the Unit 10
Mounting the KombiTool 11
Original Instruction ManualPrinted on chlorine-free paper
Fitting the Harness 12
Starting / Stopping the Engine 13
Storing the Machine 13
Maintenance and Care 14
Main Parts 15
Specifications 16
Maintenance and Repairs 16
Disposal 17
Trademarks 17
Printing inks contain vegetable oils, paper can be recycled.
Allow only persons who fully understand
the manuals of the KombiEngine and
soil cultivator KombiTool to operate this
power tool combination.
To receive maximum performance and
satisfaction from your STIHL
KombiTool, 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
KombiTool. 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 KombiEngine equipped with
a soil cultivator KombiTool is a power
tool with 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.
{
© ANDREAS STIHL AG & Co. KG, 2014
0458-478-8621-A. VA4.L14.
0000000667_006_GB
BF-KM
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
1
English
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.
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002BA530 KN
+
+
KombiSystem
In the STIHL KombiSystem a number of
different KombiEngines and KombiTools
can be combined to produce a power
tool. In this instruction manual the
functional unit formed by the
KombiEngine and KombiTool is referred
to as the power tool.
Therefore, the separate instruction
manuals for the KombiEngine and
KombiTool should be used together for
the power tool.
Always read and and make sure you
understand both instruction manuals
before using your power tool for the first
time and keep them in a safe place 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
following symbols and signal words:
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.
NOTICE
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 differs from those
described in this manual, please contact
your STIHL dealer or the STIHL
distributor for your area for assistance.
2
BF-KM
English
Safety Precautions and
Working Techniques
Because a KombiEngine
equipped with a soil
cultivator KombiTool is a
high-speed power tool,
special safety precau
tions must be observed to
reduce the risk of per
sonal 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 KombiEngine and
KombiTool 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
As more fully explained later in these
Safety Precautions, to reduce the risk of
personal injury, make sure your unit is
equipped with the proper handle and
harness for the type of working tool you
are using. Use only working tools that
are specifically authorized by STIHL for
use on your KombiEngine model.
-
-
WARNING
Do not lend or rent your power tool
without the instruction manuals of your
KombiEngine and KombiTool. Be sure
that anyone using it understands the
information contained in these manuals.
WARNING
The use of this machine may be
hazardous. If the 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 soil cultivating attachment
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 when working in
stony areas.
Use your KombiEngine equipped with
the soil cultivator KombiTool 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.
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
soil cultivators. Different models may
have different parts and controls. See
the appropriate section of your
KombiEngine and KombiTool 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-KM
3
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 deflector provided with your power
tool will not protect the operator from all
foreign objects (stones, glass, wire, etc.)
thrown back by the rotating working tool.
Thrown objects may also ricochet and
strike the operator.
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 Z87 "+" (or your
applicable national stand
ard). 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 heavy duty
work gloves (e.g. made of
leather or other wear
resistant material) when
handling the soil cultivat
ing attachment. Heavyduty, 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
-
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.
For further instructions on proper
clothing see the safety precautions in
the instruction manual of the
KombiEngine you are using.
THE POWER TOOL (KOMBIENGINE
EQUIPPED WITH SOIL CULTIVATOR
KOMBITOOL)
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 model are
authorized. Although certain
your legs. Do not wear
shorts, sandals or go
barefoot.
Good footing is very
important. Wear sturdy
boots with nonslip soles.
Steel-toed safety boots
are recommended.
4
BF-KM
English
002BA254 KN
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 and that the (no
leaks) and that the controls and safety
devices are working properly. Do not
continue 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
(KOMBIENGINE EQUIPPED WITH
SOIL CULTIVATOR KOMBITOOL)
Transporting the Power Tool
WARNING
To reduce the risk of injury from loss of
control and blade contact, never carry or
transport your power tool with the
working tool moving.
WARNING
Always switch off the engine and make
sure the working tool has stopped before
putting a power tool down.
It may be carried only in a horizontal
position. Grip the shaft in a manner that
the machine is balanced horizontally.
Keep the hot muffler away from your
body and the soil cultivating attachment
behind you.
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.
WARNING
Do not attach any soil cultivating
attachment to a unit without proper
installation of all required parts. Failure
to use the proper parts may cause the
blades to fly off and seriously injure the
operator or bystanders.
WARNING
The soil cultivating attachment must be
properly tightened and in safe operating
condition. Inspect for loose parts (nuts,
screws, etc.) and for cracked, bent,
warped or damaged blades. Replace
damaged blades before using the power
tool.
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.
Keep the deflector adjusted properly at
all times (see chapter "Assembling the
Unit" of your instruction manual).
Adjust harness and hand grip to suit
your size before starting work. To be
better prepared in case of an
emergency, practice releasing the unit
from the harness as quickly as possible.
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
KombiEngine and KombiTool manuals.
Place the power tool on firm ground or
other solid surface in an open area.
Maintain good balance and secure
footing.
BF-KM
5
English
002BA080 KN
WARNING
To reduce the risk of injury from loss of
control, do not attempt to "drop start"
your power tool.
WARNING
To reduce the risk of injury from loss of
control, be absolutely sure that the
working tool 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 working tool.
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.
With the engine running only at idle,
attach the power tool to the spring hook
of your harness (see appropriate
chapter of this manual).
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
KombiEngine.
During Operation
Holding and Controlling the Power Tool
Always hold the unit firmly with both
hands on the handles while you are
working. Wrap your fingers and thumbs
around the handles.
Your right hand should grip the control
handle at the rear, and your left hand
should grip the loop handle. This also
applies to left-handers.
WARNING
To reduce the risk of injury from loss of
control, never work on a ladder or on any
other insecure support. Never hold the
soil cultivating attachment above waist
height.
WARNING
Never attempt to operate
your power tool with one
hand. Loss of control of
the power tool resulting in
serious or fatal injury may
result. To reduce the risk
of cut injuries, keep
hands and feet away
from the soil cultivating
attachment. Never touch
a moving working tool
with your hand or any
other part of your body.
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.
Working Conditions
Operate and start 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.
6
BF-KM
English
5m (16ft)
WARNING
Inhalation of certain
dusts, especially organic
dusts such as mold or
pollen, can cause sus
-
ceptible 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.
BF-KM
DANGER
Your power tool is not
insulated against electric
shock. To reduce the risk
of electrocution, ensure
that there are no buried
power cables that may be
carrying electric current
that could come into con
tact with the working tool.
Damaging such cables
with the tool can cause
electric shocks with seri
-
ous 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."
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 / momentary stop
switch to 0 or STOP.
WARNING
The soil cultivating attachment
continues to rotate for a short period
after the throttle trigger is released
(flywheel effect).
To reduce the risk of eye and other injury
always wear proper eye protection (see
-
section on "Proper Clothing") and
ensure that bystanders are at least
16 feet (5 m) away. To reduce the risk of
damage to property, also maintain this
distance from such objects as vehicles
or windows. Any coworkers who must be
in the restricted area should also wear
goggles or protective glasses.
Stop the engine immediately if you are
approached.
WARNING
Before you start work, examine the area
for stones, glass, fence wire, metal,
trash or other solid objects. The soil
cultivating attachment could throw
objects of this kind.
WARNING
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
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
7
English
381BA003 KN
469BA017 KN
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.
WARNING
If the working tool or deflector is blocked
or covered, always switch off the engine
and ensure that the tool has come to a
standstill before starting to clean it.
Grass, weeds, etc. should be cleaned off
the tool at regular intervals.
WARNING
To reduce the risk of unintentional
rotation of the working tool and injury,
always shut off the engine and remove
the spark plug boot before replacing the
soil cultivating attachment.
WARNING
The gearbox becomes hot during
operation. To reduce the risk of burn
injury, do not touch the gear housing
when it is hot.
KombiTool 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.
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
The KombiTool is also available in a
version with pick tines (BF-KM).
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 KombiEngine and
8
Pick tines are particularly suitable for
tilling and loosening hard or packed soil.
BF-KM
English
Preparations
N Start the engine.
N Put on the shoulder strap.
Working Technique
You can work with your cultivator in the
forward (1) and backward (2) directions,
from left to right or vice versa (3) or in a
circular motion.
Choose the best method to suit your
purpose, i.e. this depends on the shape
and size of the area and soil conditions.
Working in an alternating backwards
and forwards motion is particularly
suitable for loosening packed soil.
The rotor blades may only be mounted
and operated in one position. Arrows on
the blades show the required direction of
rotation.
Typical Applications
N Breaking up soil
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
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 circular or 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 work gloves.
– Pull the hitch pins out of the axle.
– Pull the rotor blades off the shaft.
– Remove pieces of roots, plants and
soil.
BF-KM
9
English
413BA014 KN
002BA248 KN
Approved KombiEngines Assembling the Unit
KombiEngines
Only KombiEngines supplied by STIHL
or expressly approved by STIHL for use
with the specific model are authorized.
Only use this KombiTool with the
following KombiEngines:
STIHL KM 55 R, KM 56 R, KM 85 R,
KM 90 R, KM 94 R, KM 110 R,
KM 130 R
WARNING
For machines with a loop handle, the clip
(barrier bar) must be installed.
N Pull the protective caps off the ends
of the drive tube and keep them in a
safe place for later use – see
"Storing the Machine".
Mounting the deflector
N Slide the deflector (1) onto the drive
tube (2) until distance "a" is 4 in
(100 mm).
N Line up the deflector (1) so that it is
vertical and the fixing lug (arrow) on
the drive tube points up.
N Tighten the clamp screw (3)
moderately.
NOTICE
Check that the deflector is secure – it
must not be possible to rotate it on the
drive tube.
10
NOTICE
The plug may come out of the drive tube
when you pull off the cap. Push it back
into the drive tube as far as stop.
BF-KM
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