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BT 45

English

2

Pictograms

The meanings of the pictograms 

attached to or embossed on the 

machine are explained in this manual.
Depending on the model concerned, the 

following pictograms may be on your 

machine.

Symbols in Text

Many operating and safety instructions 

are supported by illustrations.
The individual steps or procedures 

described in the manual may be shown 

in different ways:

N

A bullet indicates 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. For example:

N

Remove the screw (1)

N

Pull the spark arresting screen (2) 

upwards out of the muffler

In addition to the operating instructions, 

this manual may contain paragraphs 

that require your special attention. Such 

paragraphs are indicated with the 

symbols and signal words described 

below:

DANGER

Indicates a hazardous situation that, if 

not avoided, will result in death or 

serious injury.

WARNING

Indicates a hazardous situation that, if 

not avoided, could result in death or 

serious 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.

Have your STIHL dealer show you how 

to operate your power tool. Observe all 

applicable local safety regulations, 

standards and ordinances.

DANGER

WARNING

Striking a hard object in the earth with 

the turning auger and the resulting 

slowing or stopping of the auger creates 

reactive forces. The transfer of rotational 

(reactive) forces can cause the auger 

powerhead and handles to rotate 

suddenly in a counterclockwise direction 

Guide to Using this Manual

Fuel tank for gasoline 

and engine oil mixture

Press to operate manual 

fuel pump

Auger brake

Safety Precautions and 

Working Techniques

Because a power drill is a 

high-torque, gasoline- 

powered tool, some spe

-

cial safety precautions 

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 manual and 

the safety precautions 

periodically. Careless or 

improper use may cause 

serious or fatal injury.

Drilling into or contact 

with electrical wires may 

cause severe shock, 

burns or death. See 

"Working Conditions" 

below.

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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