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BT 45

English

5

WARNING

Never modify this power tool in any way. 

Only attachments supplied by STIHL or 

expressly approved by STIHL for use 

with the specific STIHL model are 

authorized. Although certain 

unauthorized attachments, drills and 

augers 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 

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

Transporting the Power Tool

WARNING

Always stop the engine before putting 

the power drill down or carrying it. 

Carrying a power drill with the engine 

running is dangerous. Accidental 

acceleration of the engine can cause the 

drilling tool to rotate.

WARNING

During operation, the powerhead muffler 

and the material around it reach 

extremely high temperatures. Avoid 

setting down a hot unit onto dry, 

flammable material, or touching the hot 

muffler, you could receive serious burns.
Carry the power drill with the drilling tool 

pointing down or using a carry strap with 

the drilling tool pointing to the rear – with 

the hot muffler away from your body.
Remove the drilling tool before 

transporting the power tool long 

distances.
When transporting in a vehicle, properly 

secure your power tool to prevent 

turnover, fuel spillage and damage.
When the power tool is not in use, shut it 

off and put it down so it cannot endanger 

others.

Fuel
Your STIHL power tool uses an oil- 

gasoline mixture for fuel (see the 

chapter on "Fuel" of your instruction 

manual).

WARNING

Fueling Instructions

WARNING

Fuel your power tool in well-ventilated 

areas, outdoors. Always shut off the 

engine and allow it to cool before 

refueling. Gasoline vapor pressure may 

build up inside the fuel tank depending 

on the fuel used, the weather conditions 

and the tank venting system.
In order to reduce the risk of burns and 

other personal injury from escaping gas 

vapor and fumes, remove the fuel filler 

cap on your power tool carefully so as to 

allow any pressure build-up in the tank 

to release slowly. Never remove the fuel 

filler cap while the engine is running.

Flip up the lever and slowly turn left (1) 

to the vent position of the cap at about 

1/8 turn where the cap is held in place by 

the thread. Once the fumes have been 

relieved, turn (2) the cap further to the 

1/4 turn position where the tool-less cap 

can be removed from the tank thread.
Never remove the fuel filler cap by 

quickly turning it to the full 1/4 open 

position without letting it vent out any 

vapor/pressure build-up at the 

1/8 position.

Gasoline is an extremely 

flammable fuel. If spilled 

and ignited by a spark or 

other ignition source, it 

can cause fire and seri

-

ous 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 the power 

tool. Note that combus

-

tible fuel vapor may 

escape from the fuel 

system.

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0000-GXX-0908-A0

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Summary of Contents for BT 45

Page 1: ...afety 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 ...

Page 2: ...Instruction Manual 1 34 Manual de instrucciones 35 73 ...

Page 3: ...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 this manual WARNING Because a power drill is a high torque gasoline powered tool 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 Guide to Using this Manual 2...

Page 4: ... 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 Have your STIHL dealer show you how t...

Page 5: ...ifferent parts and controls See the appropriate section of your instruction manual for a description of the controls and the function of the parts of your model Safe use of a wood boring drill or a plant auger 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 a...

Page 6: ...ticularly alert and cautious when wearing hearing protection because your ability to hear warnings shouts alarms etc is restricted THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter on Main Parts 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 prote...

Page 7: ...rting in a vehicle properly secure your power tool to prevent turnover fuel spillage and damage When the power tool is not in use shut it off and put it down so it cannot endanger others Fuel Your STIHL power tool uses an oil gasoline mixture for fuel see the chapter on Fuel of your instruction manual WARNING Fueling Instructions WARNING Fuel your power tool in well ventilated areas outdoors Alway...

Page 8: ...cleaning or an improper attempt at tightening N To return the cap to the open position for installation turn the cap with the grip up until it drops fully into the tank opening Next twist the cap counterclockwise as far as it will go approx 1 4 turn this will twist the base of the cap into the correct position Then twist the cap clockwise closing it normally N If your cap still does not tighten pr...

Page 9: ...ower tool Starting 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 manual Place the power tool on firm ground or other solid surface in an open area Maintain good balance and secure footing WARNING Your power drill should be started only when it is held steady by the operator WARNING To reduce the risk...

Page 10: ...not overreach Keep proper footing and balance at all times Special care must be taken in slippery conditions wet ground snow ice and in difficult overgrown terrain Watch for hidden obstacles such as tree stumps roots and ditches to avoid stumbling For better footing clear away fallen branches scrub and cuttings Be extremely cautious when working on slopes or uneven ground or when working with an i...

Page 11: ...ad or assist handle to strike you or throw you to the ground If the auger becomes trapped in the drillhole turn off the engine immediately and remove as descripted in the chapter entitled Releasing a Trapped Auger DANGER WARNING To reduce the risk of electrocution and damage to property always be alert for underground pipes and cables and for overhead wires Before drilling obtain the necessary pla...

Page 12: ...reduce the risk of cut injuries use caution when operating and handling MAINTENANCE REPAIR AND STORING Maintenance replacement or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual However if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were ...

Page 13: ...fective working order The owner operator of this product is responsible for properly maintaining the spark arrester Other states or governmental entities agencies such as the U S Forest Service may have similar requirements Contact your local fire agency or forest service for the laws or regulations relating to fire protection requirements Tighten all nuts bolts and screws except the carburetor ad...

Page 14: ... flange N Move the handle to the required position and tighten down the two wing screws firmly Your power drill can be used for a range of applications e g fence building and carpentry kit for wood drill and in landscaping and gardening kit for planting hole auger General WARNING To change the drilling tool always shut off the engine and set the rotary knob to N Always fit the assist handle specif...

Page 15: ...oline and the STIHL two stroke engine oil at a mix ratio of 50 1 Your engine requires a mixture of high quality gasoline and two stroke air cooled engine oil Use mid grade unleaded gasoline with a minimum octane rating of 89 R M 2 and no more than 10 ethanol content NOTICE Fuel with an octane rating below 89 may increase engine temperatures This in turn increases the risk of piston seizure and dam...

Page 16: ...d during the summer will increase pressure in the fuel tank Always use gasoline blends appropriate to the season altitude and other environmental factors Do not use BIA or TCW rated two stroke water cooled mix oils or other mix oils that state they are for use in both water cooled and air cooled engines e g outboard motors snowmobiles chain saws mopeds etc WARNING Take care when handling gasoline ...

Page 17: ...essure build up in the tank to release slowly Filler cap markings Filler caps and fuel tanks may be marked in different ways Depending on the version your unit may be equipped with a filler cap and fuel tank with or without symbols Filler cap without symbols Opening N Raise handle N Twist filler cap counterclockwise approx 1 4 turn N Remove the filler cap Refueling Take care not to spill fuel whil...

Page 18: ...ot tighten properly when twisted the base of the cap may be rotated out of position vis à vis the top N Such misalignment can result from handling cleaning or an improper attempt at tightening N To correct a misalignment turn the cap with the grip up until it drops fully into the tank opening N Twist the cap counterclockwise as far as it will go approx 1 4 turn this will twist the base of the cap ...

Page 19: ... do not overfill the tank leave approx 1 2 13 mm air space Closing Handle is in an upright position N Position filler cap markings on filler cap and housing must align N Push the filler cap down as far as it will go N Push the filler cap down and twist it clockwise until it engages Then the markings on filler cap and housing will align N Flip the handle down 001BA236 KN 001BA232 KN 001BA234 KN 001...

Page 20: ... see section Closing The power drill is equipped with a change speed gearbox Depending on the application and the drilling tool used the speed can be adjusted to suit requirements Knob positions NOTICE The position of the rotary knob may be changed only when the engine is running at idle speed the drilling spindle must be stationary It may be necessary to turn the drilling spindle slightly before ...

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