STIHL MM 55 RL Owner's Manual
STIHL RL-MM
STIH)
Instruction Manual
Manual de instrucciones
Warning!
For safe operation follow all safety
precautions in Instruction Manual - improper
use can cause serious injury.
Advertencia!
Para su seguridad durante el manejo de este
producto, siga siempre las precauciones de
seguridad dadas en el manual de
instrucciones - el uso indebido puede causar
lesiones graves.
Contents
English / USA
MultiSystem ...................................... 2
Guide to Using this Manual .............. 2
Safety Precautions and
Working Techniques ......................... 3
Using the Aerator ........................... 11
Permissible MultiEngines ............... 13
Mounting the MultiTool ................... 13
BA_SE_142_003_01_03.fmPrinted on chlorine-free paper.
Starting / Stopping the Engine ........ 15
Main Parts ...................................... 16
Specifications ................................. 16
Maintenance and Repairs ............... 17
Printing inks contain vegetable oils; paper can be recycled.
Ensure that your power tool combination
is only used by persons who have read
the owner's manuals for the MultiEngine
and the related MM-attachments.
The maintenance and safety
instructions from page 3 onwards must
be read and understood before using the
power tool in order to obtain maximum
performance and satisfaction from your
STIHL MultiTool.
Consult your STIHL dealer or the STIHL
wholesaler responsible for your area if
you do not understand any of the
instructions in this manual.
! Important!
A number of special safety precautions
must be observed in order to reduce the
risk of injury due to the high-speed tool
used in this power tool. Negligence or
incorrect use can cause serious or even
fatal injuries.
It is the philosophy of STIHL constantly
to improve all our products. Design
changes and improvements are
therefore regularly implemented.
Please contact your STIHL dealer for
information and advice if the operating
properties or appearance of your
attachment differ from those described
in this manual.
STIHl
© ANDREAS STIHL AG & Co. KG, 2005
0458 482 8621. M0,2. L5. PM. Printed in USA
1RL-MM
English / USA
MultiSystem
+
+
In the STIHL MultiSystem the
MultiEngine can be combined with a
number of different MultiTools to
produce a power tool. In this instruction
manual the functional unit formed by the
MultiEngine and MultiTool is referred to
as the power tool.
The MultiEngine and MultiTool come
with separate instruction manuals.
Always read and make sure you
understand both instruction manuals
before starting and using your machine.
Keep the manuals in a safe place for
later reference.
Guide to Using this Manual
Pictograms
All the pictograms attached to the
machine are shown and explained in
this manual.
The operating and handling instructions
are supported by illustrations.
Symbols in text
The individual steps or procedures
described in the manual may be marked
in different ways:
: A bullet marks a step or procedure
without direct reference to an
illustration.
A description of a step or procedure that
refers directly to an illustration may
469BA028 KN
contain item numbers that appear in the
illustration.
Example:
Loosen the screw (1)
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 described below:
Warning where there is a risk of an
accident or personal injury or
serious damage to property.
Caution where there is a risk of
damaging the machine or its
individual components.
Note or hint which is not essential
for using the machine, but may
improve the operator’s understanding of the situation and result
in better use of the machine.
Note or hint on correct procedure in
order to avoid damage to the
environment.
2
RL-MM
Safety Precautions and Working Techniques
English / USA
Equipment and features
This instruction manual may refer to
several models with different
features. Components that are not
installed on all models and related
applications are marked with an
asterisk (*). Such components may
be available as special accessories
from your STIHL dealer.
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. If the
operating characteristics or the
appearance of your machine differ from
those described in this manual, please
contact your STIHL dealer for
assistance.
Therefore some changes, modifications
and improvements may not be covered
in this manual.
Warning!
Because a MultiEngine
equipped with an aerator
MultiTool is a high-speed,
fast-cutting 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
owner's manuals and the
safety instructions of your MultiEngine
and MultiTool periodically. Careless or
improper use of any power tool 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. Be sure
that anyone using your power tool
understands the information contained
in these manuals.
!Warning!
The use of any power tool may be
hazardous. If the rotating cutting tool
comes in contact with your body, it will
cut 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
cutting attachment and may cause
blades to crack, chip or break.
STIHL does not recommend the use of
cultivator in stony areas.
!Warning!
Minors should never be allowed to use a
power tool. Bystanders, especially
children, and animals should not be
allowed in the area where a power tool is
in use!
Never let the machine run unattended.
3RL-MM
English / USA
Most of these safety precautions and
warnings apply to the use of all STIHL
tools. Different models may have
different parts and controls. See the
appropriate sections of your MultiEngine
and MultiTool instruction manuals for a
description of the controls and function
of the parts of your power tool 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 a
power tool when you are fatigued.
Be alert – if you get tired while operating
your power tool, 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 an
aerator.
!Warning!
Prolonged use of a power tool (or other
machines) exposing the operator to
vibrations may produce whitefinger
disease (Raynaud's phenomenon) or
carpal tunnel syndrome.
These conditions reduce the hand's
ability to feel and regulate temperature,
produce numbness and burning
sensations and may cause nerve and
circulation damage and tissue necrosis.
All factors which contribute to whitefinger disease are not known, but cold
weather, smoking and diseases or
physical conditions that affect blood
vessels and blood transport, as well as
high vibration levels and long periods of
exposure to vibration are mentioned as
factors in the development of whitefinger
disease. In order to reduce the risk of
whitefinger disease and carpal tunnel
syndrome, please note the following:
– Wear gloves and keep your hands
warm.
– Maintain a firm grip at all times, but
do not squeeze the handles with
constant, excessive pressure and
take frequent breaks.
All the above mentioned precautions do
not guarantee that you will not sustain
whitefinger disease or carpal tunnel
syndrome. Therefore continual and
regular users should monitor closely the
condition of their hands and fingers. If
any of the above symptoms appear,
seek medical advice immediately.
Proper Clothing
!Warning!
To reduce the risk of injury, the operator
should wear proper protective apparel.
!Warning!
To reduce the risk of injury
to your eyes never
operate power tool unless
wearing goggles or
properly fitted protective
glasses with adequate top
and side protection complying with
ANSI Z 87.1 (or your applicable national
standard).
4
RL-MM
English / USA
!Warning!
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.
Protect your hands with
gloves when handling the
power tool and the cutting
attachment. Heavy-duty,
nonslip gloves improve
your grip and protect your
hands.
Clothing must be sturdy
and snug-fitting, but allow
complete freedom of
movement.
Avoid loose-fitting jackets,
scarves, neckties, jewelry,
flared or cuffed pants,
unconfined long hair or
anything that could
become caught on
branches, brush or moving parts of the
unit.
Wear long pants made of heavy material
to protect your legs. Do not wear short
pants, sandals or go bare foot. Secure
hair so it is above shoulder level.
Good footing is most
important. Wear sturdy
boots with nonslip soles.
Steel-toed safety boots
are recommended.
Wear an approved safety
hard hat to reduce the risk
of injury to your head
when there is a danger of
head injuries.
THE AERATOR MULTITOOL
For illustrations and definitions of the
aerator MultiTool parts see the chapter
on "Main Parts".
!Warning!
Never modify a MultiTool in any way.
Only attachments supplied by STIHL or
expressly approved by STIHL for use
with the specific STIHL power tool
models are authorized. Although certain
unauthorized attachments may fit on the
STIHL power tool, their use may, in fact,
be extremely dangerous.
THE USE OF THE AERATOR
Transporting the aerator
!Warning!
Always turn off the engine and make
sure the rotating attachment has
stopped before putting an aerator down.
When transporting your power tool in a
vehicle, properly secure it to prevent
turnover, fuel spillage and damage to the
aerator.
Preparations before using the power
tool
Before starting work, set the handlebar
to the normal working position and
tighten it down firmly with the rotary
knob. See chapter on "Adjusting the
Handlebar" in the MultiEngine
instruction manual.
Always check your power tool for proper
condition and operation before starting,
particularly the throttle trigger, throttle
trigger interlock (and if applicable stop
switch, cutting tool and deflector).
The throttle trigger must move freely and
always spring back into the idle position.
The cutting tool must be properly
tightened and in safe operating
condition. Inspect for loose parts (nuts,
screws, etc.) and for cracked, bent,
warped or damaged parts.
5RL-MM
English / USA
Fueling
Your STIHL power tool uses an oilgasoline mixture for fuel. For further
instructions see the safety precautions
and the chapter on "Fuel" in the
MultiEngine instruction manual.
!Warning!
Gasoline and its vapor is
an extremely flammable
fuel. If spilled and ignited
by a spark or other ignition
source, it can cause fire
and serious burn injury or
property damage. Use extreme caution
when handling gasoline or fuel mix.
Do not smoke or bring any fire or flame
near the fuel or machine.
Operating notes
The power tool may only be used for the
jobs described in the owner's manual.
!Warning!
Your power tool is a one-person
machine.
5m (16ft)
To reduce the risk of eye and other injury
insure that bystanders are at least 16 ft
(5 m) away. Bystanders should be
encouraged to wear eye protection. Stop
the engine and tool immediately if you
are approached. Start and operate your
machine without assistance. For specific
starting instructions, see the appropriate
section of the MultiEngine instruction
manual. Place the power tool on firm
ground or other solid surface in an open
area. Maintain a good balance and
secure footing.
Before Starting
Always check your power tool for proper
condition and operation before starting –
refer to appropriate sections in the
instruction manuals.
!Warning!
To reduce risk of injury from MultiTool
rotating in the wrong direction, check
that the position of the gearbox is correct
and change it if necessary.
On metal tools (top illustration), position
the gearbox so that the shaft is below
the drive tube.
On sweeping tools (bottom illustration),
position the gearbox so that the shaft is
above the drive tube.
Also see notes on "Before Starting" in
the MultiEngine instruction manual.
6
RL-MM
English / USA
2
1
3
Correct Position of Gearbox:
(using the aerator)
The gearbox output shaft (1) must be
below the drive tube (2) – the arrow (3)
shows the correct direction of rotation of
the MultiTool.
See chapter on "Mounting the
MultiTool".
Check the owner´s manual for the
MultiTool to ensure you are using the
appropriate deflector for that MultiTool.
Starting the engine
Details on starting the engine can be
found in the appropriate chapter of the
owner's manual for the MultiEngine.
469BA043 KN
Place the unit on firm ground in an open
area. The attachments must be clear of
the ground and all other obstructions.
!Warning!
When starting, make sure you have a
firm footing - as shown; always stand to
one side of the machine to avoid risk of
injury from contact with rotating tool.
!Warning!
To reduce the risk of injury
from loss of control, be
absolutely sure that the
cutting tool can turn freely
when the engine is
started. When the engine
is started in the START position, engine
speed will be fast enough for the clutch
to engage and turn the tool.
Working Conditions
469BA027 KN
Start and operate your power tool only
outdoors in a ventilated area.
Operate the machine under good
visibility and daylight conditions only.
Work carefully.
!Warning!
Your power tool produces
toxic exhaust fumes as
soon as the engine is
running. These gases
(e.g. carbon monoxide)
may be colorless and
odorless. To reduce the risk of serious or
fatal injury from inhaling toxic fumes,
never run the engine indoors or in poorly
ventilated locations.
7RL-MM
English / USA
!Warning!
Use of this product can generate dust
and fumes containing chemicals known
to cause respiratory disease, cancer,
birth defects, or other reproductive
harm. If you are unfamiliar with the risks
associated with the particular dust or
fume at issue, consult your employer,
governmental agencies such as OSHA
and NIOSH and other sources on
hazardous materials. The State of
California and some other authorities,
for instance, have published lists of
substances known to cause cancer,
reproductive toxicity, etc.
Control dust and fumes at the source
where possible. In this regard use good
work practices and follow the
recommendations of OSHA/NIOSH and
occupational and trade associations.
When the inhalation of toxic dust and
fumes cannot be eliminated, the
operator and any bystanders should
always wear a respirator approved by
NIOSH/MSHA for the type of dust and /
or fumes encountered.
Danger
The power tool is not
insulated. Before starting
work, ensure that there
are no power cables near
or in the working area. 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!
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.
Holding and Controlling the
Power Tool
469BA045 KN
Always hold the power tool firmly with
both hands. Wrap your fingers tightly
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. Make sure the
handles and grips are in good condition
and free of moisture, pitch, oil or grease.
!Warning!
Never attempt to operate any power tool
with one hand. Loss of control may
result in serious or fatal injury.
8
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English / USA
!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. Be extremely cautious
when working on slopes or uneven
ground.
Operate the power tool only at a normal
walking pace.
!Warning!
Be extremely cautious when pulling the
power tool towards you because of the
risk of injury from contact with the
rotating blades.
Be extremely cautious when changing
direction with the aerator – especially on
slopes.
!Warning!
Never work on steep slopes because of
the risk of injury through loss of control
of the power tool.
Before starting work,
inspect and clear the area
of stones, glass, pieces of
metal, rubbish or other
solid objects. Such
objects could be hurled
aside by the cutting tool and directly or
indirectly strike the operator or
bystanders. Such objects may also
damage the cutting tool. Blades may
shatter, splinter or break. Flying objects
or damaged blades may cause serious
or fatal injuries to the operator and
bystanders.
Use only for cutting grass, weeds and
soft green plants.
Do not use the power tool on gravel
surfaces.
!Warning!
To reduce the risk of injury from thrown
objects and blade contact, never
operate an power tool without a properly
mounted deflector.
To reduce the risk of injury
from blade contact, keep
hands and feet away from
cutting area.
!Warning!
Never touch a rotating cutting tool with
your hand or any part of your body. The
cutting tool continues to rotate for a short
period after the throttle trigger is
released (flywheel effect).
!Warning!
When using your power tool, avoid
getting close to fences, sides of
buildings, tree trunks, stones or other
such objects that could cause the
aerator to kick out or could cause
damage to the blades. In addition, be
alert to an increased risk of ricochets in
such situations.
If the power tool strikes a foreign object,
follow these steps: stop the engine,
disconnect spark plug lead, inspect for
damage and repair any damage before
restarting and operating the product.
9RL-MM
English / USA
Do not operate using the starting throttle
lock as you do not have control of the
engine speed. See section of your
MultiEngine instruction manual on the
proper use of the slide control.
If the cutting tool or deflector becomes
clogged or stuck, always turn off the
engine and make sure the cutting tool
has stopped before cleaning. Grass,
weeds, etc. should be cleaned off the
cutting tool at regular intervals.
!Warning!
During work, check the tightness and the
condition of the cutting tool at regular
intervals. If the behavior of the cutting
tool changes, stop the engine
immediately, and check the cutting tool
for cracks and damage. Replace
cracked, bent, warped, damaged or dull
cutting tools immediately. Such cutting
tools may shatter at high speed and
cause serious or fatal injury.
Do not attach any blade to a unit without
proper installation of all required parts.
Never use unauthorized parts to secure
the blades. Failure to use the proper
parts may cause the blades to fly off and
seriously injure the operator or
bystanders.
Important adjustments
!Warning!
To reduce the risk of personal injury from
loss of control or contact with the
running cutting tool, do not use a cutting
tool with incorrect idle adjustment. At
correct idle speed, the cutting tool
should not move. For directions on how
to adjust idle speed, see the appropriate
section of the MultiEngine instruction
manual.
If you cannot set the correct idle speed,
have your STIHL dealer check your
engine and make proper adjustments
and repairs.
MAINTENANCE, REPAIR AND
STORING
I
f you claim warranty coverage for a
component which has not been
serviced or maintained properly or if
nonapproved replacement parts were
used, STIHL may deny warranty
coverage.
! Warning!
Use only original STIHL replacement
parts for maintenance and repair. Use of
non-STIHL parts may cause serious or
fatal injury.
Follow the maintenance and repair
instructions in the appropriate section of
your owner's manual. Please refer to the
maintenance chart on the last pages of
this manual.
Additionally, the daily maintenance
schedule for your power tool set forth in
your STIHL instruction manual should
be strictly followed.
10
RL-MM
Using the Aerator
English / USA
!Warning!
Always stop the engine and make sure
that the cutting tool 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 instruction manual.
Have such work performed at your
STIHL service shop only.
Wear gloves when handling or
performing maintenance on attachment.
!Warning!
Never repair damaged cutting attachments by welding, straightening or
modifying the shape. This may cause
parts of the cutting tool to come off and
result in serious or fatal injuries.
Keep the cutting tool sharp. Tighten all
nuts, bolts and screws, except the
carburetor adjustment screws, after
each use.
Store the MultiTool in a dry and high or
locked location out of reach of children.
Before storing for longer than a few
days, always empty the fuel tank. See
chapter “Storing the Machine” in the
MultiEngine manual.
Your RL-MM MultiTool is designed for
aerating lawns to keep them in better
condition.
Preparations
If the soil is very dry, spray it with water
before you start work: this softens the
soil a little and also reduces the amount
of dust created.
: Inspect the work area and clear
away any solid objects to reduce the
risk of injury.
: Plan the the best route for aerating.
Operate the MultiEngine with RL-MM
aerator in the forward direction only.
482BA001 KN
The blades may only be mounted and
operated in one position. Arrows on the
blades indicate the correct direction of
rotation – see "Mounting the MultiTool".
482BA002 KN
11RL-MM
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