Instruction Manual
Page 7
... is not in a vehicle, properly secure your STIHL servicing dealer. Note that combustible fuel vapor may build up inside the fuel tank depending on your power tool in good condition before refueling. Fueling Instructions Warning! BT 45 5 If this tool is subjected to unusually high... and the material around it is dangerous. Avoid setting down or using a carry strap with the engine running . Warning! Remove the drilling tool before putting the power drill down so it to rotate. Carry the power drill with the drilling tool pointing down a hot unit onto dry,...
... is not in a vehicle, properly secure your STIHL servicing dealer. Note that combustible fuel vapor may build up inside the fuel tank depending on your power tool in good condition before refueling. Fueling Instructions Warning! BT 45 5 If this tool is subjected to unusually high... and the material around it is dangerous. Avoid setting down or using a carry strap with the engine running . Warning! Remove the drilling tool before putting the power drill down so it to rotate. Carry the power drill with the drilling tool pointing down a hot unit onto dry,...
Instruction Manual
Page 9
...securely mounted on the handles while you cannot set the correct idle speed, have your STIHL dealer check your power tool if it properly. a loose boot may cause arcing that the power drill gear is not set in the neutral position, turn the drilling tool. Place the power tool on how... Do not allow the engine to slow down to follow this respect. Important Adjustments Warning! If you are working. BT 45 7 Never attempt to engage and, if the gear is set in the neutral position N. Regular maintenance is particularly important to keep them free of moisture, pitch, oil, fuel ...
...securely mounted on the handles while you cannot set the correct idle speed, have your STIHL dealer check your power tool if it properly. a loose boot may cause arcing that the power drill gear is not set in the neutral position, turn the drilling tool. Place the power tool on how... Do not allow the engine to slow down to follow this respect. Important Adjustments Warning! If you are working. BT 45 7 Never attempt to engage and, if the gear is set in the neutral position N. Regular maintenance is particularly important to keep them free of moisture, pitch, oil, fuel ...
Instruction Manual
Page 14
... the engine and set to N. fence-building and carpentry (kit for the drilling tool you have a safe and secure footing. N Insert the handle tube (5) in the flange. Always fit the assist handle specified for wood drill) and in rocky ground. N Make sure the polymer bushing is set the rotary knob to poistion 2. 421BA002 KN 12 BT 45
... the engine and set to N. fence-building and carpentry (kit for the drilling tool you have a safe and secure footing. N Insert the handle tube (5) in the flange. Always fit the assist handle specified for wood drill) and in rocky ground. N Make sure the polymer bushing is set the rotary knob to poistion 2. 421BA002 KN 12 BT 45
Instruction Manual
Page 19
... starting up. N Set rotary knob to loss of control. This could result in accidents or personal injury due to N (gearbox in neutral). N Use a 13mm open-end wrench to secure and release the planting hole auger. Fitting the Auger Adapter for wood drills or twist drills 3 4 English Starting... 2 and R, the drilling tool may only be started with a 19mm open -end wrench to hold the spindle steady and tighten the adapter firmly with the gearbox in the adapter. N Screw the adapter (3) onto the drilling spindle (4). BT 45 17 When using the geared rim drill chuck (special accessory), ...
... starting up. N Set rotary knob to loss of control. This could result in accidents or personal injury due to N (gearbox in neutral). N Use a 13mm open-end wrench to secure and release the planting hole auger. Fitting the Auger Adapter for wood drills or twist drills 3 4 English Starting... 2 and R, the drilling tool may only be started with a 19mm open -end wrench to hold the spindle steady and tighten the adapter firmly with the gearbox in the adapter. N Screw the adapter (3) onto the drilling spindle (4). BT 45 17 When using the geared rim drill chuck (special accessory), ...
Instruction Manual
Page 20
...the throttle trigger (3) and hold it is the starting throttle lock moves to the normal run position and the engine returns to 0. 421BA023 KN 18 BT 45 N Press in the starting throttle lock. This is secure. Cranking N Place the unit on the engine housing. N Continue cranking. N Let go... of the throttle trigger and starting throttle lock (4) and hold it to fire: 421BA022 KN 421BA021 KN N Depress the choke lever (1) and set it there. it a brisk strong pull. the starting throttle position. When the engine begins to l if the engine is still cold. N Pull the...
...the throttle trigger (3) and hold it is the starting throttle lock moves to the normal run position and the engine returns to 0. 421BA023 KN 18 BT 45 N Press in the starting throttle lock. This is secure. Cranking N Place the unit on the engine housing. N Continue cranking. N Let go... of the throttle trigger and starting throttle lock (4) and hold it to fire: 421BA022 KN 421BA021 KN N Depress the choke lever (1) and set it there. it a brisk strong pull. the starting throttle position. When the engine begins to l if the engine is still cold. N Pull the...
Instruction Manual
Page 21
... thermal overload. This avoids unnecessary high loads during the break-in the engine are greater during the break-in period, the frictional resistances in period. BT 45 19 it again. N Open throttle slightly - N Move the stop switch to warm start ) - N Open the throttle wide. 421BA024 KN Storing for a ... spark plug boot (6). At very low outside temperatures: N As soon as the engine runs: Blip the throttle trigger to 15 tank fillings. N Set the choke lever to bed in during this period. As all moving parts have to j. warm up the engine for a short while at least...
... thermal overload. This avoids unnecessary high loads during the break-in the engine are greater during the break-in period, the frictional resistances in period. BT 45 19 it again. N Open throttle slightly - N Move the stop switch to warm start ) - N Open the throttle wide. 421BA024 KN Storing for a ... spark plug boot (6). At very low outside temperatures: N As soon as the engine runs: Blip the throttle trigger to 15 tank fillings. N Set the choke lever to bed in during this period. As all moving parts have to j. warm up the engine for a short while at least...
Instruction Manual
Page 22
... out of the filter housing (4). do not wash. N Install the filter in the drill hole If there is a noticeable loss of engine power 421BA025 KN 421BA026 KN 421BA038 KN N Let go of the throttle trigger so that the engine ... idling speed. N Loosen the screw (1). N Clean away loose dirt from around the filter. N Move rotary knob to l. N Take the air filter (3) out of the drill hole. 1 34 2 N Set the choke lever to R position (counterclockwise rotation) - N Operate the throttle trigger. it clear - N Hold the machine firmly with a new filter - N Replace any damaged parts...
... out of the filter housing (4). do not wash. N Install the filter in the drill hole If there is a noticeable loss of engine power 421BA025 KN 421BA026 KN 421BA038 KN N Let go of the throttle trigger so that the engine ... idling speed. N Loosen the screw (1). N Clean away loose dirt from around the filter. N Move rotary knob to l. N Take the air filter (3) out of the drill hole. 1 34 2 N Set the choke lever to R position (counterclockwise rotation) - N Operate the throttle trigger. it clear - N Hold the machine firmly with a new filter - N Replace any damaged parts...
Instruction Manual
Page 23
...). N Turn the idle speed screw (LA) slowly clockwise until the engine runs and accelerates smoothly. the drilling spindle must not rotate. N Adjust idle speed with a standard setting. Engine Management Exhaust emissions are controlled by the design of any major hardware. With this carburetor it 1 ... - N Set rotary knob to 1. Erratic idling behavior, poor acceleration (even though low speed screw is open it is too lean. BT 45 Adjusting the Carburetor General Information The carburetor comes from the factory with the idle speed screw (LA) so that the drilling spindle does not...
...). N Turn the idle speed screw (LA) slowly clockwise until the engine runs and accelerates smoothly. the drilling spindle must not rotate. N Adjust idle speed with a standard setting. Engine Management Exhaust emissions are controlled by the design of any major hardware. With this carburetor it 1 ... - N Set rotary knob to 1. Erratic idling behavior, poor acceleration (even though low speed screw is open it is too lean. BT 45 Adjusting the Carburetor General Information The carburetor comes from the factory with the idle speed screw (LA) so that the drilling spindle does not...
Instruction Manual
Page 24
...result in trouble in operation. N Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. If the setting is too lean there is down on the insulator nose which have caused fouling of engine damage due to start or runs poorly at idling...after approx. 100 operating hours or earlier if the electrodes are badly eroded. 421BA028 KN 000BA002 KN A slight correction of the setting of the approved range. 22 BT 45 English Fine Tuning for Operation in Mountains or at Sea Level Checking the Spark Plug H 3/4 Rectify problems which may be ...
...result in trouble in operation. N Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. If the setting is too lean there is down on the insulator nose which have caused fouling of engine damage due to start or runs poorly at idling...after approx. 100 operating hours or earlier if the electrodes are badly eroded. 421BA028 KN 000BA002 KN A slight correction of the setting of the approved range. 22 BT 45 English Fine Tuning for Operation in Mountains or at Sea Level Checking the Spark Plug H 3/4 Rectify problems which may be ...
Instruction Manual
Page 31
... for information regarding special accessories that may be performed only by the STIHL parts symbol K. Original STIHL parts can be identified by the STIHL part number, the { logo and, in some cases, by authorized STIHL service shops. BT 45 29 Ignition System Electronic magneto ignition (breakerless) Spark plug (resistor Bosch WSR 6 F, type): NGK BPMR 7 A Electrode gap... alone on small parts. All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 8.5 fl.oz (0.25 L) Gearbox Three-stage spur gear drive Gearbox setting 1 2 R Max.
... for information regarding special accessories that may be performed only by the STIHL parts symbol K. Original STIHL parts can be identified by the STIHL part number, the { logo and, in some cases, by authorized STIHL service shops. BT 45 29 Ignition System Electronic magneto ignition (breakerless) Spark plug (resistor Bosch WSR 6 F, type): NGK BPMR 7 A Electrode gap... alone on small parts. All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 8.5 fl.oz (0.25 L) Gearbox Three-stage spur gear drive Gearbox setting 1 2 R Max.
Technical Reference
Page 1
Set of parts and accessories 5. Service note 7. TI_13 .2002 02 01 01.trn english / USA Specifications 3. Technical description 2. Spare parts IP* / 13.2002/ a STIHL BT 45 (for drilling wood) STIHL BT 45 (for drilling planting holes The newly developed STIHL BT 45 drill is a multi-purpose machine with a gasoline engine. Service accessories and special tools 6. Series 4314 Contents 1. Drills 4. Technical Information New STIHL BT 45 drill -
Set of parts and accessories 5. Service note 7. TI_13 .2002 02 01 01.trn english / USA Specifications 3. Technical description 2. Spare parts IP* / 13.2002/ a STIHL BT 45 (for drilling wood) STIHL BT 45 (for drilling planting holes The newly developed STIHL BT 45 drill is a multi-purpose machine with a gasoline engine. Service accessories and special tools 6. Series 4314 Contents 1. Drills 4. Technical Information New STIHL BT 45 drill -
Technical Reference
Page 3
... 1 Spark plug NGK BPMR7A 19 1110 400 7005 1 Spark plug Bosch WSR 6 F 20 0783 830 2000 1 Tube of sealant Dirko HT red 4314 007 1050 1 Set of gaskets n 2, 6, 15 BT 45 SCS 03-2009 3.28
... 1 Spark plug NGK BPMR7A 19 1110 400 7005 1 Spark plug Bosch WSR 6 F 20 0783 830 2000 1 Tube of sealant Dirko HT red 4314 007 1050 1 Set of gaskets n 2, 6, 15 BT 45 SCS 03-2009 3.28
Technical Reference
Page 5
Drawing B Manifold, Spacer flange Referenct Item number Qty Description 1 4314 141 2200 1 Manifold 2 4314 141 1500 1 Flange 3 9210 261 0700 2 Hexagon nut M5 4 4314 120 0601 1 Carburetor C1Q-S74D 5 4140 129 0900 1 Gasket 6 9075 478 4159 2 Pan head self-tapping screw IS-D5x24 7 4229 121 1600 1 Spacer flange 8 9007 319 1135 2 Hexagon head screw M5x65 9 4314 087 3000 1 Air guide shroud 10 4229 129 0900 1 Gasket 4314 007 1050 1 Set of gaskets 5, 10 BT 45 SCS 03-2009 3.28
Drawing B Manifold, Spacer flange Referenct Item number Qty Description 1 4314 141 2200 1 Manifold 2 4314 141 1500 1 Flange 3 9210 261 0700 2 Hexagon nut M5 4 4314 120 0601 1 Carburetor C1Q-S74D 5 4140 129 0900 1 Gasket 6 9075 478 4159 2 Pan head self-tapping screw IS-D5x24 7 4229 121 1600 1 Spacer flange 8 9007 319 1135 2 Hexagon head screw M5x65 9 4314 087 3000 1 Air guide shroud 10 4229 129 0900 1 Gasket 4314 007 1050 1 Set of gaskets 5, 10 BT 45 SCS 03-2009 3.28