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Careless or improper use of the machine
may cause serious injury. Have your
STIHL Dealer show you how to operate
your blower. Observe all applicable 
local safety regulations, standards and
ordinances.

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Minors should never be allowed to use a
blower : Bystanders, especially children,
and animals should not be allowed in the
area where a machine is in use.
Never let the unit run unattended.
Do not lend or rent your machine without
the owner‘s manual. Be sure that any-
one using your unit understands the 
information contained in this manual.
Most of these safety precautions and
warnings apply to the use of all STIHL
blowers. Different models may have 
different parts and controls.

See the appropriate section of your
owner‘s manual for a description of the
controls and function of the parts of your
machine.

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1. the 

operator

2.

the blower 

3.

the use of the blower .

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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
blower when you are fatigued .
Be alert - if you get tired while operating
your machine, take a break. Tiredness
may result in loss of control. Working
with any blower can be strenuous. If you
have any condition that might be aggra-
vated by strenuous work, check with your
doctor before operating the machine.

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Prolonged use of a blower, (or other 
machines) exposing the operator to 
vibrations may produce whitefinger 
disease (Raynaud‘s phenomenon)or 
carpal tunnel syndrome. These condi-
tions 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. 

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The STIHL blower is not equipped with
an antivibration (AV) system. Other
STIHL blower models are available with
an AV system designed to reduce the 
transmission of engine vibrations to the
operator’s hands. An AV system is 
recommended for those operators who
use blowers on a regular or sustained
basis.

Antivibration systems 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.

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Clothing must be sturdy and snug-fitting,
but allow complete freedom of move-
ment.

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Avoid loose-fitting jackets, flared or 
cuffed pants, scarfs, unconfined long
hair or anything that could be drawn into
the air intake. 

Wear overalls or long
pants to protect your legs.
Do not wear shorts. 

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Summary of Contents for BG 75

Page 1: ...STIHL BG 75 III Instruction Manual Owner s Manual Assembling Safety Precautions Operating Instructions Maintenance...

Page 2: ...action from your STIHL blower it is important that you read and understand the maintenance and safety precautions before using your blower Contact your STIHL dealer or the STIHL distributor for your a...

Page 3: ...een 5 Clamp 6 Blower tube 7 Nozzle 8 Spark plug boot 9 Fuel pump 10 Choke lever 11 Filter housing 12 Carburetor adjusting screws 13 Starter grip 14 Fuel filler cap 15 Fuel tank 16 Muffler 3DUWV DQG RQ...

Page 4: ...6SDUN 3OXJ RRW Connects the spark plug to the ignition wire XHO 3XPS Provides additional fuel feed for a cold start KRNH HYHU Eases engine starting by enriching mixture LOWHU RXVLQJ Covers the air fi...

Page 5: ...fatigued Be alert if you get tired while operating your machine take a break Tiredness may result in loss of control Working with any blower can be strenuous If you have any condition that might be ag...

Page 6: ...5 7UDQVSRUW Always turn off the engine before putting down blower When transporting your unit in a vehicle properly secure it to prevent turnover fuel spillage and damage to the machine XHOLQJ This S...

Page 7: ...utdoors in a ventilated area Keep the space behind and beside the engine clear at all times to allow for the escape of hot and toxic exhaust fumes When working with a handheld blower always carry it w...

Page 8: ...tos containing products have been strictly regulated by OSHA and the Environmental Protection Agency Do not blow or disturb asbestos or asbestos containing products such as asbestos insulation If you...

Page 9: ...ly identical STIHL replacement parts for maintenance and repair Use of parts manufactured by others may cause serious or fatal injury Follow the maintenance and repair instructions in the appropriate...

Page 10: ...J In order to reduce the risk of fire do not modify or remove any part of the muffler or spark arrestor Keep spark plug and wire connection tight and clean The spark plug electrode gap should be check...

Page 11: ...to remove the blower tube and fit the elbow with catcher bag in its place Release the clamp Pull the blower tube off the fan hou sing stub 9DFXXP DWWDFKPHQW Remove the screws from the starter cover M...

Page 12: ...ecommend STIHL 50 1 two stroke engine oil since it is specially formulated for use in STIHL engines Do not use BIA or TCW two stroke water cooled mix oils Take care when handling gasoline Avoid direct...

Page 13: ...ottle trigger Release the slide control VWDUWLQJ WKURWWOH SRVLWLRQ Set the choke lever for cold start to J for warm start to H even if engine has been running but is still cold Press the fuel pump bul...

Page 14: ...ns to idling speed To shut down the engine Move the slide control to W YHU ORZ RXWVLGH WHPSHUDWXUHV OORZ HQJLQH WR ZDUP XS As soon as engine runs Blip the throttle trigger slide control moves to the R...

Page 15: ...i cally and effectively since the outlet is near ground level The blower s wide nozzle is particularly effective for clearing large areas covered with sawdust fallen leaves or cut grass etc 7KH PDFKLQ...

Page 16: ...open windows or freshly washed cars After using blowers clean up Do not blow debris onto neighbouring properties Recommended working techniques to minimize noise Operate power equipment only at reaso...

Page 17: ...filter housing Fit the felt cover so that it snaps into position The carburetor comes with a standard setting This is the optimum setting to ensure your machine will operate reliably with the lowest p...

Page 18: ...p the engine Carefully screw the low speed screw down onto its seat Then open it one turn counterclockwise standard setting GMXVWLQJ LGOH VSHHG QJLQH VWRSV ZKLOH LGOLQJ Check standard setting L screw...

Page 19: ...plugs of the approved range Rectify problems which have caused fouling of spark plug Incorrect carburetor setting too much oil in fuel mix dirty air filter unfavorable running conditions e g operating...

Page 20: ...dle out serval inches Hold pulley to prevent rebound Pull rope Slowly release spring tension by allowing pulley to unwind until all tension is gone Use a screwdriver to ease the cap out of the starter...

Page 21: ...securely 7HQVLRQLQJ UHZLQG VSULQJ Make a loop in the starter rope and use it to turn the rope rotor six full revolutions counter clockwise Hold the rotor steady straighten the twisted rope release the...

Page 22: ...s firmly 355BA022 KN a 2mm 0 08in XULQJ EUHDN LQ SHULRG A factory new machine should not be run at high revs full throttle off load for the first three tank fillings This avoids unnecessary high loads...

Page 23: ...ner x 11 Fuel tank Clean x 11 Carburetor Check idle adjustment x x 15 16 Idle setting x 15 16 Spark plug Readjust electrode gap x 17 Cylinder fins Clean x Spark arresting screen in muffler Inspect x 1...

Page 24: ...O 6 VWHP Carburetor All position diaphragm carburetor with integral fuel pump Air filter Foam and felt elements Fuel tank capacity 0 9 US pt 0 5 L Fuel mixture See chapter Fuel Mix Weight complete uni...

Page 25: ...defective the part will be repaired or replaced by STIHL Incorporated free of charge 2ZQHU V DUUDQW 5HVSRQVLELOLWLHV As the small off road equipment engine owner you are responsible for the per forma...

Page 26: ...urer approved or equivalent replacement part may be used for any warranty mainten ance or repairs on emission related parts and must be provided without charge to the owner STIHL Incorporated is liabl...

Page 27: ...WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm englisch english U S A lCARB EPA...

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