warning! - Stihl

80 Pages·2016·2.18 MB·English

STIHL BR 350, 430 Instruction Manual
Manual de instrucciones
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
1 - 37
Manual de instrucciones
38 - 78
English
Contents
Guide to Using this Manual 2 STIHL Incorporated Federal Allow only persons who fully understand
this manual to operate your blower.
Safety Precautions and Working Emission Control Warranty
Techniques 2 Statement 32 To receive maximum performance and
al Assembling the Unit 11 STIHL Incorporated California satisfaction from your STIHL blower, it is
u
Man Adjusting the Throttle Cable 14 Exhaust and Evaporative important that you read, understand and
n Emissions Control Warranty follow the safety precautions and the
uctio Fitting the Harness 15 Statement 34 operating and maintenance instructions
nstr Fuel 15 Trademarks 36 in chapter "Safety Precautions and
nal I Fueling 16 Working Techniques" before using your
Origi Information Before You Start 18 blower. For further information you can
go to www.stihlusa.com.
Starting / Stopping the Engine 19
ed. Operating Instructions 21 Contact your STIHL dealer or the STIHL
ycl distributor for your area if you do not
e rec Replacing the Air Filter 21 understand any of the instructions in this
n b Engine Management 22 manual.
a
er c Adjusting the Carburetor 22
p
pa Spark Plug 23 WARNING
s,
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Maintenance and Repairs 31
Disposal 32
Limited Warranty 32
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NDREAS STIH8-456-8621-E. 0006506_015_
A50 This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
© 0400 with electronic systems.
BR 350, BR 430 1
English
In addition to the operating instructions,
Guide to Using this Manual Safety Precautions and
this manual may contain paragraphs
Working Techniques
that require your special attention. Such
paragraphs are indicated with the
Because a blower is gas-
Pictograms symbols and signal words described
oline-powered and
below:
produces a strong air
The meanings of the pictograms blast, special safety pre-
attached to or embossed on the DANGER cautions must be
machine are explained in this manual. Indicates a hazardous situation that, if observed to reduce the
risk of personal injury.
Depending on the model concerned, the not avoided, will result in death or
following pictograms may be on your serious injury. It is important that you
machine. read, fully understand
WARNING and observe the following
Fuel tank for gasoline
safety precautions and
and engine oil mixture Indicates a hazardous situation that, if
warnings. Read the
not avoided, could result in death or
instruction manual and
serious injury.
Press to operate manual the safety precautions
fuel pump periodically. Careless or
NOTICE
improper use may cause
Indicates a risk of property damage, serious or fatal injury.
including damage to the machine or its
Have your STIHL dealer show you how
individual components.
Symbols in Text to operate your power tool. Observe all
applicable local safety regulations,
Engineering Improvements
standards and ordinances.
Many operating and safety instructions
are supported by illustrations.
STIHL’s philosophy is to continually WARNING
The individual steps or procedures improve all of its products. As a result,
Do not lend or rent your power tool
described in the manual may be shown engineering changes and improvements
without the instruction manual. Be sure
in different ways: are made from time to time. Therefore,
that anyone using it understands the
some changes, modifications and
N A bullet indicates a step or information contained in this manual.
improvements may not be covered in
procedure.
this manual. If the operating
A description of a step or procedure that characteristics or the appearance of WARNING
refers directly to an illustration may your machine differs from those
The use of this machine may be
contain item numbers that appear in the described in this manual, please contact
hazardous.
illustration. For example: your STIHL dealer or the STIHL
distributor for your area for assistance. Use your blower only for clearing leaves,
N Remove the screw(1)
grass, paper and dust in yards, gardens,
N Pull the spark arresting screen (2) sport stadiums, parks, driveways and
upwards out of the muffler parking lots.
2 BR 350, BR 430
English
THE OPERATOR factors in the development of white
WARNING finger disease. In order to reduce the
risk of white finger disease and carpal
Do not use it for other purposes, since
Physical Condition tunnel syndrome, please note the
misuse may result in personal injury or
following:
property damage, including damage to You must be in good physical condition
the machine. and mental health and not under the – Most STIHL power tools are
influence of any substance (drugs, available with an anti-vibration
WARNING alcohol, etc.) which might impair vision, ("AV") system designed to reduce
dexterity or judgment. Do not operate the transmission of vibrations
Minors should never be allowed to use
this machine when you are fatigued. created by the machine to the
this power tool. Bystanders, especially
operator's hands. An AV system is
children, and animals should not be
recommended for those persons
WARNING
allowed in the area where it is in use.
using power tools on a regular or
Be alert – if you get tired, take a break. sustained basis.
WARNING Tiredness may result in loss of control.
– Keep your hands warm.
Working with any power tool can be
To reduce the risk of injury to bystanders
strenuous. If you have any condition that – Keep the AV system well
and damage to property, never let your
might be aggravated by strenuous work, maintained. A power tool with loose
power tool run unattended. When it is
check with your doctor before operating components or with damaged or
not in use (e.g. during a work break),
this machine. worn AV elements will tend to have
shut it off and make sure that
higher vibration levels.
unauthorized persons do not use it.
WARNING – Maintain a firm grip at all times, but
Most of these safety precautions and
Prolonged use of a power tool (or other do not squeeze the handle with
warnings apply to the use of all STIHL
machines) exposing the operator to constant, excessive pressure. Take
blowers. Different models may have
vibrations may produce white finger frequent breaks.
different parts and controls. See the
appropriate section of your instruction disease (Raynaud's phenomenon) or All the above-mentioned precautions do
manual for a description of the controls carpal tunnel syndrome. not guarantee that you will not sustain
and the function of the parts of your These conditions reduce the hand's white finger disease or carpal tunnel
model. ability to feel and regulate temperature, syndrome. Therefore, continual and
produce numbness and burning regular users should closely monitor the
Do not clean your machine with a
sensations and may cause nerve and condition of their hands and fingers. If
pressure washer. The solid jet of water
circulation damage and tissue necrosis. any of the above symptoms appear,
may damage parts of the machine.
seek medical advice immediately.
All factors which contribute to white
Safe use of a blower involves
finger disease are not known, but cold
1. the operator weather, smoking and diseases or WARNING
2. the power tool physical conditions that affect blood The ignition system of the STIHL unit
vessels and blood transport, as well as produces an electromagnetic field of a
3. the use of the power tool. high vibration levels and long periods of very low intensity. This field may
exposure to vibration are mentioned as interfere with some pacemakers. To
reduce the risk of serious or fatal injury,
persons with a pacemaker should
BR 350, BR 430 3
English
consult their physician and the Avoid loose-fitting jack- If this tool is subjected to unusually high
pacemaker manufacturer before ets, scarfs, neckties, loads for which it was not designed (e.g.
operating this tool. jewelry, flared or cuffed heavy impact or a fall), always check
pants, unconfined long that it is in good condition before
Proper Clothing hair or anything that continuing work. Check in particular that
could become drawn into the fuel system is tight (no leaks) and
WARNING the air intake. Secure hair that the controls and safety devices are
so it is above shoulder working properly. Do not continue
To reduce the risk of injury, the operator
level. operating this machine if it is damaged.
should wear proper protective apparel. In case of doubt, have it checked by your
Good footing is very
STIHL servicing dealer.
important. Wear sturdy
WARNING
boots with nonslip soles.
To reduce the risk of Steel-toed safety boots WARNING
injury to your eyes never are recommended. Small particles (e.g. dust) blown through
operate your power tool the blower tubes and nozzle can cause
unless wearing goggles WARNING a static charging of the blower tubes.
or properly fitted protec- This is especially true in low humidity
tive glasses with To reduce the risk of injury when the and high dust conditions. In order to
adequate top and side inhalation of dust cannot be reduce the risk of shock from static
protection complying with substantially controlled use an charging and subsequent injury from
ANSIZ87"+" (or your appropriate respirator for the material loss of control, your blower has features
applicable national being blown. For more information see designed to help reduce the build up of
standard). the "Working conditions" section of static electricity in the blower tubes and
Power tool noise may these Safety Precautions. equalize the charge with the engine
damage your hearing. and/or operator:
THE POWER TOOL
Wear sound barriers (ear The control handle is designed to
plugs or ear mufflers) to conduct static electricity through the
protect your hearing. For illustrations and definitions of the throttle cable to the engine and from the
Continual and regular power tool parts see the chapter on handle through the operator to the
users should have their "Main Parts." ground.
hearing checked
STIHL offers an optional kit for use in
regularly.
WARNING especially dry and dusty conditions. The
Be particularly alert and cautious when kit contains: (1) blower tubes made with
Never modify this power tool in any way.
wearing hearing protection because graphite to help conduct the charge back
Only attachments supplied by STIHL or
your ability to hear warnings (shouts, to the control handle, and (2) a metal
expressly approved by STIHL for use
alarms, etc.) is restricted. ring with "wire" for insertion in the end
with the specific STIHL model are
tube that helps reduce the build up of
Clothing must be sturdy authorized. Although certain
static electricity.
and snug-fitting, but allow unauthorized attachments are useable
complete freedom of with STIHL power tools, their use may, If your blower is properly assembled and
movement. in fact, be extremely dangerous. you are still experiencing static shocks,
make sure that your footwear has
conductive soles and try operating your
4 BR 350, BR 430
English
unit without gloves, which may be Fueling Instructions escaping gas, vapor and fumes, always
interfering with the conduction of the shut off the engine and allow it to cool
charge. before removing the fuel cap.
WARNING
The engine is air cooled. When it is shut
THE USE OF THE POWER TOOL To reduce the risk of fire and serious
off, cooling air is no longer drawn across
personal injury, always remove the
the cylinder and engine temperatures
backpack blower from the oprator’s back
will rise for several minutes before
Transporting the Power Tool and place it on the ground before
starting to cool. In hot environments,
attempting to fuel the machine.
cooling will take longer. To reduce the
WARNING risk of burns and other personal injury
WARNING from escaping gas, vapor and fumes,
Always switch off the engine before
allow the power tool to cool. If you need
taking the machine off your back and
to refuel before completing a job, turn off
putting it down. When transporting it in a
the machine and allow the engine to cool
vehicle, properly secure it to prevent
before opening the fuel tank.
turnover, fuel spillage and damage to
the unit. Fuel Spraying or “Geysering”
Pick a Safe Location
Fuel
WARNING
To reduce the risk of fire and explosion,
Your STIHL power tool uses an oil-
fuel your power tool in a well-ventillated Removing the cap on a pressurized fuel
gasoline mixture for fuel (see the "Fuel"
area, outdoors away from flames, pilot tank can result in gasoline, vapors and
chapter in this instruction manual).
lights, heaters, electric motors, and fumes being forcefully sprayed out from
other sources of ignition. Vapors can be the fuel tank in all directions. The
WARNING ignited by a spark or flame many feet escaping gasoline, vapors or fumes can
away. Select bare ground for fueling and cause serious personal injury, including
Gasoline is an extremely
move at least 10 feet (3 m) from the fire and burn injury, or property damage.
flammable fuel. If spilled
fueling spot before starting the engine.
and ignited by a spark or Sometimes also referred to as "fuel
Wipe off any spilled fuel before starting
other ignition source, it geysering," fuel spraying is an expulsion
can cause fire and seri- your power tool. Take care not to get fuel of fuel, vapors and fumes which can
on your clothing. If this happens, change
ous burn injury or occur in hot conditions, or when the
your clothing immediately.
property damage. Use engine is hot, and the tank is opened
extreme caution when Allow the Power Tool to Cool Before without allowing the power tool to cool
handling gasoline or fuel Removing the Fuel Cap adequately. It is more likely to occur
mix. Do not smoke or when the fuel tank is half full or more.
bring any fire or flame
WARNING Pressure is caused by fuel and heat and
near the fuel or the power
can occur even if the engine has not
tool. Note that combus- Gasoline vapor pressure may build up
been running. When gasoline in the fuel
tible fuel vapor may inside the fuel tank. The amount of
tank is heated (by ambient
escape from the fuel pressure depends on a number of
temperatures, heat from the engine, or
system. factors such as the fuel used, altitude
other sources), vapor pressure will
and temperature. To reduce the risk of
increase inside the fuel tank.
burns and other personal injury from
BR 350, BR 430 5
English
Some blends of gasoline, particularly Once the fumes or vapor have been Installing the Threaded Fuel Filler Cap
those designed for use in winter, are relieved, turn the cap further until it can
more volatile and may cause tanks to be removed from the tank opening.
WARNING
pressurize more quickly or create
Use only good quality fuel that is
greater pressure. At higher altitudes, Unit vibrations can cause
appropriate for the season (summer v.
fuel tank pressurization is more likely. an improperly tightened
winter blends). Some blends of
fuel filler cap to loosen or
How to Avoid Fuel Spraying gasoline, particularly winter blends, are come off and spill quanti-
more volatile and can contribute to fuel
Removing the fuel cap on a pressurized ties of fuel. To reduce the
spraying.
tank can result in gasoline, vapors and risk of fuel spillage and
fumes being forcefully sprayed out from Removing the Threaded Fuel Filler Cap fire, tighten the fuel filler
the fuel tank in all directions. To reduce cap by hand with as
the risk of burns, serious injuries or much force as possible.
WARNING
property damage from fuel spraying:
Damaged or Broken Cap
After allowing the power tool to cool,
– Follow the fueling instructions in this
remove the fuel filler cap slowly and If your fuel cap does not tighten properly,
chapter.
carefully to allow any remaining it may be damaged or broken. Stop
– Always assume your fuel tank is pressure build-up in the tank to release: using the power tool and take it to your
pressurized. authorized STIHL dealer for repair.
– While maintaining steady,
– Allow the power tool to cool before downward pressure, slowly turn the Vapor Lock
removing the fuel cap. cap approximately 1/2turn counter-
clockwise.
– In hot environments, cooling will WARNING
take longer. – If any significant venting occurs,
Vapor lock occurs when fuel in the fuel
immediately re-seal the tank by
– The engine is air cooled. When it is line or carburetor vaporizes, causing
turning the cap clockwise to the
shut off, cooling air is no longer bubbles to block the free flow of liquid
closed position. Allow the power
drawn across the cylinder and the fuel into the carburetor. Vapor lock
tool to cool further before
engine temperature will rise for cannot be relieved or affected by
attempting to open the tank.
several minutes before starting to opening the fuel tank. Removing the fuel
cool. – Turn the cap to the open position filler cap without first allowing the power
only after the contents of the tank tool to cool adequately can result in fuel
After the power tool has cooled
are no longer under pressure. spraying. Always follow the instructions
appropriately, follow the safety
in this section when removing the fuel
instructions in this chapter for removing – Never remove the cap by turning it
cap.
the cap. directly to the open position. First
allow the power tool to cool
Never remove the fuel filler cap by
adequately and then release any
turning it directly to the open position.
residual pressure by slowly turning it
First check for residual pressure in the
approximately 1/2turn counter-
tank by slowly turning the cap
clockwise.
approximately 1/2turn counter-
clockwise. The cap should be held in – Never attempt to remove the cap
place by the threads while allowing while the engine is still hot or
residual vapor/pressure to be relieved. running.
6 BR 350, BR 430
English
To relieve vapor lock: For specific starting instructions, see the
WARNING appropriate section of your instruction
– Place the Choke Knob in the cold
manual.
start position c and pull the starter Never operate your power tool if it is
cord approximately 20 times to clear damaged, improperly adjusted or
Starting
the vapor and send liquid fuel into maintained, or not completely and
the carburetor. securely assembled. To reduce the risk of fire and burn
injuries, start the engine at least 10feet
– To start the power tool, move the
(3m) from the fueling spot, outdoors
Choke Knob to the starting throttle WARNING
only.
position o and pull the starter cord Check that the spark plug boot is
approximately 10 times. securely mounted on the spark plug – a
– If your power tool will not restart, or loose boot may cause arcing that could
if vapor lock occurs again, the ignite combustible fumes and cause a
power tool is being used in fire.
conditions too extreme for the fuel Keep the handles clean and dry at all
being used. Discontinue use and let times; it is particularly important to keep
the engine cool completely before them free of moisture, pitch, oil, fuel mix,
attempting to start the power tool. grease or resin in order for you to
maintain a firm grip and properly control
Before Operation WARNING
your power tool.
Your power tool is a one-person
WARNING WARNING machine. To reduce the risk of eye or
other injury from thrown objects, insure
Always check your power tool for proper
To reduce the risk of injury from parts that bystanders are at least 50feet
condition and operation before starting,
thrown by the fan wheel, check the fan (15m) away during use. Stop operation
particularly the throttle trigger, setting
housing for damage (cracks or holes immediately if you are approached.
lever and momentary stop switch. The
that could allow foreign objects to
throttle trigger must move freely and
contact the fan wheel). If any such
always spring back to the idle position. WARNING
damage is found, stop using the unit and
Never attempt to modify the controls or
contact your STIHL dealer for repair. This unit is equipped with an ignition
safety devices.
system that is normally in operational
WARNING readiness. After the setting lever is used
WARNING to stop the engine, it automatically
Adjust carrying harness to suit your size springs back to the "on" position. If the
Check fuel system for leaks, especially
before starting work. engine is warm, it may be possible to
the visible parts, e.g., filler cap, hose
connections, manual fuel pump (only for In an emergency, you may slip out of the start it by simply pulling the starter rope,
power tools equipped with a manual fuel harness and throw off the machine with no further adjustments. To reduce
pump). Do not start the engine if there quickly. Try slipping out of the harness a the risk of injury, be particularly alert to
are leaks or damage – risk of fire. Have number of times before using the keep children away from the unit.
the power tool repaired by a STIHL machine in order to become For specific starting instructions, see the
servicing dealer before using it. accustomed to it. Do not throw off the appropriate section of your manual.
machine while practicing as it could Place the power tool on firm ground or
result in damage to the machine.
BR 350, BR 430 7
English
other solid surface in an open area. Save water by using a blower instead of
Maintain good balance and secure WARNING a water hose for lawn and garden work
footing. wherever possible, e.g. for cleaning
To reduce the risk of loss of control,
yards and patios.
never carry the unit with the strap(s)
WARNING over one shoulder. Recommended working technique to
minimize air pollution:
When you pull the starter grip, do not Wrap your fingers tightly around the
wrap the starter rope around your hand. handle, keeping the control handle – If conditions are very dusty, dampen
Do not let the grip snap back, but guide cradled between your thumb and surfaces slightly before blowing.
the starter rope to rewind it properly. forefinger. Keep your hand in this
– Pull out the nozzle to full length so
Failure to follow this procedure may position to have your machine under
that the airstream is at ground level.
result in injury to your hand or fingers control at all times.
and may damage the starter – Do not blow particles in the direction
mechanism. of bystanders, in particular in the
WARNING
direction of children, pets, open
Once the engine has started,
Special care must be taken in slippery windows or freshly washed
immediately blip the throttle trigger,
conditions (wet ground) and in difficult, vehicles. Take special care in such
which should cause the choke knob to
overgrown terrain. Watch for hidden situations.
move to the run position and allow the
obstacles such as tree stumps, roots,
engine to slow down to idle. – Remove the blow-swept debris in
rocks, holes and ditches to avoid
rubbish bins – do not blow it onto the
stumbling. For better footing, clear away
During Operation neighbor's land.
fallen branches, scrub and cuttings. Be
Holding and Controlling the Power Tool extremely cautious when working on Recommended working technique to
slopes or uneven ground. minimize noise:
To reduce the risk of stumbling and loss – Operate your power tool at
of control, do not walk backward while reasonable times only – not early in
operating the machine. the morning, late at night or during
midday rest periods when people
KN WARNING could be disturbed. Observe local
BA001 To reduce the risk of injury from loss of rest periods.
0009 control, never work on a ladder or on any – Fewer engines mean less noise.
other insecure support. Where possible, do not run more
The blower is designed for single- than one power tool at any time.
handed operation with the right hand on Working Conditions
– Operate blowers at the lowest
the control handle. It should be carried To minimize blowing time, use a rake
engine speed necessary to
as a backpack with the straps of the and broom to loosen dirt particles before
accomplish the task.
harness over both shoulders. you start blowing.
– Check your blower before starting
Watch out for small animals when using
work. Pay special attention to the
the blower on open ground, in yards and
muffler, air intakes and air filter.
gardens.
8 BR 350, BR 430