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BT 45

English

7

Screw Cap

WARNING

See also the "Fueling" chapter in your 

Instruction Manual for additional 

information.

Before Starting

WARNING

Always check your power tool for proper 

condition and operation before starting, 

particularly the throttle trigger, throttle 

trigger lockout, stop switch and drilling 

tool or auger. The throttle trigger must 

move freely and always spring back to 

the idle position. Never attempt to 

modify the controls or safety devices. 

Regular maintenance is important in this 

respect. Check the condition and the 

tightness of the drilling tool.

WARNING

Check fuel system for leaks, especially 

the visible parts, e.g., filler cap, hose 

connections, manual fuel pump (only for 

power tools equipped with a manual fuel 

pump). Do not start the engine if there 

are leaks or damage – risk of fire! Have 

the machine repaired by a servicing 

dealer before using it.

WARNING

Never operate your power tool if it is 

damaged, improperly adjusted or 

maintained, or not completely or 

securely assembled.

WARNING

Check that the spark plug boot is 

securely mounted on the spark plug – a 

loose boot may cause arcing that could 

ignite combustible fumes and cause a 

fire.
Keep the handles clean and dry at all 

times; it is particularly important to keep 

them free of moisture, pitch, oil, fuel mix, 

grease or resin in order for you to 

maintain a firm grip and properly control 

your power 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 of loss of control, be 

sure that the power drill gear is set in the 

neutral position N. When the engine 

starts at starting throttle, engine speed 

will be fast enough for the clutch to 

engage and, if the gear is not set in the 

neutral position, turn the drilling tool.
Once the engine has started, 

immediately blip the throttle trigger, 

which should release the starting throttle 

and allow the engine to slow down to 

idle.

WARNING

Your power tool is a one-person 

machine. Do not allow other persons in 

the general work area, even when 

starting.

WARNING

To reduce the risk of injury from loss of 

control, do not attempt to "drop start" 

your power tool.

WARNING

When you pull the starter grip, do not 

wrap the starter rope around your hand. 

Do not let the grip snap back, but guide 

the starter rope to rewind it properly. 

Failure to follow this procedure may 

result in injury to your hand or fingers 

and may damage the starter 

mechanism.

Unit vibrations can cause 

an improperly tightened 

fuel filler cap to loosen or 

come off and spill quanti

-

ties of fuel. In order to 

reduce the risk of fuel 

spillage and fire, tighten 

the fuel filler cap by hand 

as securely as possible.

421BA001 KN

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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