STIHL BT 230
Instruction Manual
Translation of Original Instruction
Manual
Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG 2020
0458-493-0121-A. VA3.F20.
0000008160_004_GB
0458-493-0121-A
English
1
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
1 Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
2 Guide to Using this Manual
. . . . . . . . . . . . . . . . . . . . . . . . . .
2
2.1 Applicable Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2
2.2 Warning Notices in Text
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
2.3 Symbols in Text
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
3 Overview
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
3.1 Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
3.2 Symbols
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4 Safety Precautions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.1 Warning Symbols
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.2 Intended Use
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
4.3 The Operator
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
4.4 Clothing and Equipment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
4.5 Work Area and Surroundings
. . . . . . . . . . . . . . . . . . . . . . . .
6
4.6 Safe Condition
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
4.7 Fuel Mixture and Refueling
. . . . . . . . . . . . . . . . . . . . . . . . . .
7
4.8 Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
4.9 Reactive Forces
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
4.10 Transporting
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10
4.11 Storing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
4.12 Cleaning, Maintenance and Repairs
. . . . . . . . . . . . . . . .
10
5 Preparing Machine for Operation
. . . . . . . . . . . . . . . . . . .
11
5.1 Preparing Machine for Operation
. . . . . . . . . . . . . . . . . . .
11
6 Assembling the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . .
11
6.1 Mounting the Assist Handle and Control Handle
. . . .
11
6.2 Fitting and Removing the Auger
. . . . . . . . . . . . . . . . . . . .
12
7 Mixing Fuel and Refueling the Machine
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13
7.1 Mixing Fuel
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
7.2 Refueling the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
8 Starting and Stopping the Engine
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14
8.1 Selecting the Correct Starting Procedure
. . . . . . . . . . .
14
8.2 Preparing Engine for Start
. . . . . . . . . . . . . . . . . . . . . . . . . .
14
8.3 Starting the Engine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
8.4 Stopping the Engine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
9 Checking the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
9.1 Checking the Controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
10 Using the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
10.1 Adjusting Carburetor for Operation at High
Altitude
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
10.2 Holding and Controlling the Machine
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18
10.3 Drilling
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18
11 After Finishing Work
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18
11.1 After Finishing Work
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
12 Transporting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
12.1 Transporting the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . .
19
13 Storing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
13.1 Storing the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
14 Cleaning
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
14.1 Cleaning the Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
14.2 Cleaning the Drilling Tool
. . . . . . . . . . . . . . . . . . . . . . . . . .
19
14.3 Cleaning the Air Filter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
14.4 Cleaning the Spark Plug
. . . . . . . . . . . . . . . . . . . . . . . . . . .
20
15 Maintenance
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20
15.1 Maintenance Intervals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
15.2 Lubricating the Gearbox
. . . . . . . . . . . . . . . . . . . . . . . . . . .
20
15.3 Adjusting the Throttle Cable
. . . . . . . . . . . . . . . . . . . . . . . .
21
16 Repairing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
16.1 Repairing Machine and Drilling Tool
. . . . . . . . . . . . . . . .
21
17 Troubleshooting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
17.1 Troubleshooting the Machine
. . . . . . . . . . . . . . . . . . . . . .
22
17.2 Standard Setting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
17.3 Adjusting Idle Speed
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
17.4 Clearing the Combustion Chamber
. . . . . . . . . . . . . . . . .
23
18 Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
18.1 STIHL BT 230
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
18.2 Noise and Vibration Data
. . . . . . . . . . . . . . . . . . . . . . . . . .
24
0458-493-0121-A
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1 Introduction
Dear Customer,
Thank you for choosing STIHL. We develop and
manufacture our quality products to meet our customers’
requirements. The products are designed for reliability even
under extreme conditions.
STIHL also stands for premium service quality. Our
specialist dealers guarantee competent advice and
instruction as well as comprehensive service support.
We thank you for your confidence in us and hope you will
enjoy working with your STIHL product.
Dr. Nikolas Stihl
IMPORTANT: READ BEFORE USE AND KEEP IN A SAFE
PLACE.
2.1 Applicable Documentation
Local safety regulations apply.
► Read, understand and save the following documents in
addition to this instruction manual:
– Instruction manual of the drilling tool (auger) you are
using
19 Spare Parts and Accessories
. . . . . . . . . . . . . . . . . . . . . . .
24
19.1 Spare Parts and Accessories
. . . . . . . . . . . . . . . . . . . . . . .
24
20 Disposal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
20.1 Disposing of Machine
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
1 Introduction
2 Guide to Using this Manual
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3 Overview
2.2 Warning Notices in Text
DANGER
This notice refers to risks which result in serious or fatal
injury.
► Serious or fatal injuries can be avoided by taking the
precautions mentioned.
WARNING
This notice refers to risks which can result in serious or fatal
injury.
► Serious or fatal injuries can be avoided by taking the
precautions mentioned.
NOTICE
This notice refers to risks which can result in damage to
property.
► Damage to property can be avoided by taking the
precautions mentioned.
2.3 Symbols in Text
3.1 Machine
1 Choke Lever
Helps start the engine.
2 Manual Fuel Pump
Eases engine starts.
3 Spark Plug
Ignites fuel-air mixture in the engine.
4 Spark Plug Boot
Connects ignition lead to spark plug
5 Throttle Trigger
Controls engine speed.
6 Slide Control
For starting, running and stopping the engine.
This symbol refers to a chapter in this instruction
manual.
A video is available for this chapter
3Overview
1
2
3
4
5 6
7
8
9
10
#
11
12
131415
16
19
20
17
18
21
0000-GXX-5854-A0
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4 Safety Precautions
7 Throttle Trigger Lockout
Unlocks the throttle trigger.
8 Control Handle
For operating, holding and controlling the machine.
9 Throttle Cable
Connects the throttle trigger to the engine.
10 Muffler
Reduces machine noise emissions.
11 Starter Grip
Serves to crank the engine.
12 Carburetor Adjusting Screws
For tuning the carburetor.
13 Fuel Tank Cap
Closes the fuel tank.
14 Air filter
Filters the air entering the engine.
15 Filter Cover
Covers the air filter.
16 Handle
For holding and controlling the machine.
17 Grease Nipple
Feeds STIHL gear grease into gearbox.
18 Gear Housing
Encloses the gearbox.
19 Pin
Connects spindle to drilling tool (auger).
20 Spindle
Connects machine to drilling tool (auger).
21 Cotter Pin
Secures the pin in position.
# Rating Label with Serial Number
3.2 Symbols
Meanings of symbols that may be on the machine:
4.1 Warning Symbols
Meanings of warning signs on the machine:
This symbol marks the fuel tank.
This symbol denotes the manual fuel pump.
This symbol denotes the starter grip and the
engine is started with the slide control in this
position.
Engine is operated with the slide control in this
position.
Engine is stopped when the slide control is in
this position.
Slide control is moved in this direction to stop the
engine.
Engine is started with the choke lever in this position.
Engine is made ready for start with the choke lever in
this position.
4 Safety Precautions
Observe safety notices and take the necessary
precautions.
Read, understand and save the instruction
manual.
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4 Safety Precautions
4.2 Intended Use
The STIHL BT 230 is designed for drilling holes in the earth.
The diameter of the drilling tool (auger) must not exceed 300
mm.
WARNING
￭ Using the machine for purposes for which it is not
designed may result in serious or fatal injuries and
damage to property.
► Use the machine as described in this instruction
manual.
4.3 The Operator
WARNING
￭ Users who have had no instruction cannot recognize or
assess the risks involved in using the machine. The user
or other persons may sustain serious or fatal injuries.
► If you pass the machine on to another person: Always
give them the instruction manual.
► Make sure the user meets the following requirements:
– The user must be rested.
– The user must be in good physical condition and
mental health to operate and work with the machine.
If the user’s physical, sensory or mental ability is
restricted, he or she may work only under the
supervision of or as instructed by a responsible
person.
– The user is able to recognize and assess the risks
involved in using the machine.
– The user must be of legal age or is being trained in a
trade under supervision in accordance with national
rules and regulations.
– The user has received instruction from a STIHL
servicing dealer or other experienced user before
working with the machine for the first time.
– The user must not be under the influence of alcohol,
medication or drugs.
► If you have any queries: Contact a STIHL servicing
dealer for assistance.
￭ The machine’s ignition system produces an
electromagnetic field. This field may interfere with some
pacemakers. This can result in serious or fatal injuries.
► If the user has a pacemaker: Make sure the pacemaker
is not affected.
Wear safety glasses and hearing protection.
Wear safety boots.
Wear work gloves.
Hold the machine firmly with both hands.
Do not work near live electric cables.
► Read, understand and save the instruction
manual.
0458-493-0121-A
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4 Safety Precautions
4.4 Clothing and Equipment
WARNING
￭ Long hair can be sucked into the machine during
operation. This can result in serious injuries.
► Tie up and confine long hair so that it cannot be sucked
into the machine.
￭ Objects can be thrown through the air at high speed
during operation. This can result in personal injury.
► Wear long trousers made of durable material.
￭ Noise occurs during operation. Noise can harm your
hearing.
￭ Falling objects can cause head injuries.
► If there is a danger of falling objects during operation:
Wear a safety hard hat.
￭ Dust can be whipped up during operation: Whipped up
dust can damage the respiratory passages and cause
allergic reactions.
► Wear a respirator.
￭ Unsuitable clothing can snag on wood, brush or the
machine. Not wearing personal protective equipment may
result in serious injury.
► Wear snug-fitting clothing.
► Do not wear a scarf or jewelry.
￭ The user can come into contact with the rotating drilling
tool during operation. This can result in serious injuries.
► Wear long trousers made of durable material.
￭ The user can come into contact with the drilling tool during
cleaning and maintenance work. This can result in
personal injury.
￭ Wearing unsuitable footwear may cause you to slip or
stumble. This can result in personal injury.
► Wear sturdy enclosed footwear with non-slip soles.
4.5 Work Area and Surroundings
WARNING
￭ Bystanders, children and animals cannot recognize or
assess the dangers of the machine or flying debris.
Innocent bystanders, children and animals may be
seriously injured and damage to property may occur.
► Keep bystanders, children and animals away from the
work area.
► Do not leave the machine unattended.
► Make sure that children cannot play with the machine.
￭ Bystanders, children and animals may step into
boreholes. Bystanders, children and animals may be
seriously injured.
► Cover and clearly mark boreholes.
￭ Hot exhaust gas is emitted through the muffler while the
engine is running. Hot exhaust gas can ignite easily
flammable materials and cause a fire.
► Keep exhaust gas well away from easily flammable
materials.
► Wear close-fitting safety glasses. Suitable
safety glasses that have been tested and
labeled in accordance with EN 166 or
national standards are available from
retailers.
► Wear hearing protection.
► Wear steel-toed safety boots.
► Wear work gloves made of durable material.
0458-493-0121-A
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English
4 Safety Precautions
4.6 Safe Condition
4.6.1 Machine
The machine is in a safe condition if the following points are
observed:
– Machine is undamaged.
– There is no fuel leaking from the machine.
– The fuel tank cap is closed.
– The machine is clean.
– The controls function properly and have not been
modified.
– Drilling tool (auger) is properly mounted.
– Only original STIHL accessories for this model are fitted.
– Accessories are properly mounted.
WARNING
￭ If components do not comply with safety requirements,
they will no longer function properly, safety devices may
be rendered inoperative. This can result in serious or fatal
injuries.
► Work only with an undamaged machine.
► If fuel is leaking from the machine: Do not use the
machine and contact a STIHL dealer for assistance.
► Close the fuel tank cap.
► If the machine is dirty: Clean the machine.
► Do not modified the machine. Exception: Mounting a
drilling tool (auger).
► If the controls do not function properly: Do not work with
the machine.
► Only fit original STIHL accessories designed for this
model.
► Mount the drilling tool (auger) as described in the
instruction manual.
► Mount accessories as described in this instruction
manual or the instructions supplied with the accessory.
► Never insert objects in the machine’s openings.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.6.2 Auger
The auger is in a safe condition if the following points are
observed:
– The auger is not damaged.
– The auger is not warped.
– The auger is properly mounted.
WARNING
￭ The user can lose control of the machine if it is not in a
safe condition. This can result in serious injuries.
► Work only with an undamaged auger.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.7 Fuel Mixture and Refueling
WARNING
￭ This machine requires a fuel mixture of gasoline and two-
stroke engine oil. Fuel mixture and gasoline are extremely
flammable. If fuel mixture or gasoline make contact with
open fire or hot objects, they can cause a fire or
explosions. This can result in serious or fatal injuries and
damage to property.
► Protect fuel mixture and gasoline from heat and fire.
► Do not spill fuel mixture and gasoline.
► Do not smoke.
► Never refuel near a fire.
► Shut off the engine and allow it to cool down before
refueling.
► Start the engine at least 3 meters from the fueling spot,
outdoors only.
0458-493-0121-A
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4 Safety Precautions
￭ Inhaling fuel fumes and gasoline fumes can have toxic
effects.
► Avoid inhaling fuel fumes or gasoline fumes.
► Refuel in a well-ventilated location.
￭ The machine becomes hot during operation. The fuel
expands and excess pressure can build up in the tank.
Fuel can escape as a spray when the fuel tank cap is
opened. The escaping fuel can ignite. This can result in
serious injuries.
► Allow the machine to cool down first and then open the
tank cap carefully.
￭ Clothing that has been in contact with fuel or gasoline is
more easily flammable. This can result in serious or fatal
injuries and damage to property.
► If your clothing comes into contact with fuel or gasoline:
Change your clothing.
￭ Fuel, gasoline and two-stroke engine oil can harm the
environment.
► Do not spill fuel, gasoline or two-stroke engine oil.
► Fuel, gasoline and two-stroke engine oil can harm the
environment.
￭ Fuel, gasoline or two-stroke engine oil can cause irritation
if they come into direct contact with the skin or eyes.
► Avoid contact with fuel, gasoline and two-stroke engine
oil.
► In case of contact with the skin: Wash affected areas
with plenty of water and soap.
► In case of contact with the eyes: Rinse eyes with plenty
of water for at least 15 minutes and seek medical
advice.
￭ The machine’s ignition system produces sparks.
Unconfined sparks may cause a fire or an explosion in an
easily combustible or explosive environment. This can
result in serious or fatal injuries and damage to property.
► Use the spark plugs described in this instruction
manual.
► Insert and tighten down the spark plug.
► Connect the spark plug boot and press it down firmly.
￭ The machine can be damaged if it is run on a fuel mixture
consisting of unsuitable gasoline or an unsuitable two-
stroke engine oil or if an incorrect mix ratio of gasoline and
two-stroke engine oil is used.
► Mix the fuel as described in this instruction manual.
￭ The mixture of gasoline and two-stroke engine oil can
separate if it is stored for a long period. The machine can
be damaged if it is used with a fuel mix that has separated.
► Before refueling the machine: Thoroughly mix the fuel.
► Use a mixture of gasoline and two-stroke engine oil that
is not older than 30 days (STIHL MotoMix: 2 years).
4.8 Operation
WARNING
￭ If the engine is not started properly, the user may lose
control of the machine. This can result in serious injuries.
► Start the engine as described in this instruction manual.
￭ The slide control is in position for engine
starts. Engine RPM in position is higher than
idle speed and the drilling tool may rotate as soon as the
engine runs. This can result in serious injuries.
► Start the engine as described in this instruction manual.
￭ The user cannot concentrate on the work in certain
situations. The user can lose control of the machine,
stumble or fall and be seriously injured.
► Work calmly and carefully.
► If light and visibility are poor: Do not work with the
machine.
► Operate the machine without assistance.
► Watch out for obstacles.
► Stand on the ground while working and keep a good
balance.
► If you begin to feel tired: Take a break.
0458-493-0121-A
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4 Safety Precautions
￭ Exhaust gas is produced when the engine is running.
Breathing in exhaust gas can have toxic effects.
► Avoid inhaling exhaust gas.
► Operate the machine in a well ventilated location.
► In the event of nausea, headache, visual disturbances,
problems with hearing or dizziness: Stop work and seek
medical advice.
￭ The user’s ability to hear and assess noises is restricted
when wearing hearing protection with the engine running.
► Work calmly and carefully.
￭ The user will not be able to control the machine properly if
it is operated with the slide control in position .
This can result in serious injuries.
► Check that the slide control is in position during
operation.
► Start the engine as described in this instruction manual.
￭ The rotating drilling tool (auger) can cut the user. This can
result in serious injuries.
► Do not touch the rotating drilling tool.
► If the drilling tool is blocked by an object: Shut off the
engine. Then remove the object causing the blockage.
￭ The machine can be damaged if you open the throttle
while the drilling tool (auger) is blocked by an object.
► Shut off the engine. Then remove the object causing the
blockage.
￭ If the behavior of the machine changes during operation
or feels unusual, it may no longer be in a safe condition.
This can result in serious injuries and damage to property.
► Stop work and contact your STIHL dealer for
assistance.
￭ Machine vibrations may occur during operation.
► Take regular breaks.
► If signs of circulation problems occur: Seek medical
advice.
￭ Note that the drilling tool continues to rotate for a short
period after you release the throttle trigger. This can result
in serious injuries.
► Wait until the drilling tool comes to a complete stop.
￭ If the machine is operated with a shaft extension and
drilling tool, the machine may be at chest height or even
higher. The machine cannot be held and controlled
properly at this height. This can result in serious injuries.
► Drill without the shaft extension until the maximum hole
depth is reached. Then fit the shaft extension.
► Before pulling the drilling tool (auger) out of the hole:
Remove the shaft extension.
￭ Working near water pipes can result in accidental contact
with the drilling tool (auger) and damage the pipes.
Damage to property may occur.
► Do not work near water pipes.
► Contact your local utility company for information on
pipe locations.
► If you have any queries: Do not work with the machine.
DANGER
￭ Working near live electric cables or gas pipes can result in
accidental contact with the drilling tool (auger) and
damage the cables or pipes. This can result in serious or
fatal injuries.
► Do not work near gas pipes.
► Contact your local utility company for information on
cable and pipe locations.
► If you have any queries: Do not work with the machine.
► Wear gloves.
► Do not work near live electric cables.
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4 Safety Precautions
4.9 Reactive Forces
Uncontrolled rotation of the machine can occur for the
following reasons:
– The rotating auger hits a hard object and slows down
unexpectedly.
– The rotating auger becomes jammed in the hole.
WARNING
￭ In these cases the rotation of the auger is braked suddenly
or comes to a stop and the machine may rotate in the
opposite direction. The user can lose control of the
machine. This can result in serious injuries.
► Use the working techniques described in this instruction
manual.
4.10 Transporting
WARNING
￭ The gearbox can get hot during operation. There is a risk
of burn injuries.
► Do not touch a hot gearbox.
￭ The machine can turn over or move while being
transported. This may result in personal injuries and
damage to property.
► Shut off the engine.
► Secure the machine with lashing straps or a net to
prevent it turning over and moving.
￭ The muffler and engine may be hot after a period of
operation. There is a risk of burn injuries.
► Hold the machine with your right hand on the control
handle and your left hand on the assist handle.
4.11 Storing
WARNING
￭ Children are not aware of and cannot assess the dangers
of the machine and can be seriously injured.
► Shut off the engine.
► Store the machine out of the reach of children.
￭ Dampness can corrode the electrical contacts on the
machine and metal components. The machine may be
damaged.
► Store the machine in a clean and dry condition.
4.12 Cleaning, Maintenance and Repairs
WARNING
￭ The drilling tool can start rotating unintentionally if the
engine is running during cleaning, maintenance or repair
operations. This can result in serious injuries and damage
to property.
► Shut off the engine.
￭ The muffler and engine may be hot after a period of
operation. This can result in burn injuries.
► Wait until the muffler and engine cool down.
￭ The gearbox can get hot during operation. There is a risk
of burn injuries.
► Do not touch a hot gearbox.
￭ Aggressive cleaning agents, cleaning with a jet of water or
pointed objects can damage the machine and the drilling
tool. If the machine or drilling tool are not cleaned
correctly, components may no longer function properly or
safety devices may be rendered inoperative. This can
result in serious injuries.
► Clean the machine as described in this instruction
manual.
► Clean the drilling tool as described in the instruction
manual supplied with the tool.
► Hold the machine firmly with both hands.
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5 Preparing Machine for Operation
￭ If the machine or drilling tool are not serviced or repaired
correctly, components may no longer function properly or
safety devices may be rendered inoperative. This can
result in serious or fatal injuries.
► Do not attempt to service or repair the machine.
► If the machine needs to be serviced or repaired: Contact
your STIHL servicing dealer for assistance.
► Maintain or repair the drilling tool as described in the
instruction manual supplied with the tool.
5.1 Preparing Machine for Operation
Perform the following steps before starting work:
► Make sure the following components are in a safe
condition:
– Machine, @ 4.6.1.
– Drilling tool (auger), @ 4.6.2
► Clean the machine, @ 14.1.
► Mount the assist handle and control handle, @ 6.1.
► Fit the drilling tool (auger), @ 6.2.1.
► Refuel the machine, @ 7.2.
► Check the controls, @ 9.1.
► If you cannot carry out these steps: Do not use your
machine and contact your STIHL servicing dealer for
assistance.
6.1 Mounting the Assist Handle and Control Handle
► Shut off the engine.
► Connect the frame sections (1 and 3) so that the holes are
in alignment.
► Fit the screw (2) in the hole.
► Fit and tighten down the nut (4) firmly.
► Push the assembled sections (1 and 3) onto the frame (7).
► Fit the screws (5) in the holes.
► Fit and tighten down the nuts (6) firmly.
► Push the control handle (8) onto the frame section (9).
► Connect the frame sections (9 and 10) so that the holes
are in alignment.
► Fit the screw (11) in the hole.
5 Preparing Machine for Operation
6 Assembling the Machine
A video is available for this chapter
www.stihl.com/sxynfE
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6 Assembling the Machine
► Fit and tighten down the nut (12) firmly.
► Push the assembled sections (9 and 10) onto the frame
(7).
► Fit the screws (13) in the holes.
► Fit and tighten down the nuts (14) firmly.
► Line up the control handle (8), throttle trigger lockout (15)
pointing vertically upwards, so that it is parallel to the
assist handle.
► Insert and tighten down the screws (16) firmly.
► Secure throttle cable (18) to the frame with two cable ties
(17).
The assist and control handles do not need to be removed
again.
6.2 Fitting and Removing the Auger
6.2.1 Fitting the Auger
► Shut off the engine.
► Pull out the cotter pin (1).
► Remove the pin (2).
► Fit the auger (3) on the spindle (4) so that the holes line
up.
► Insert the pin (2) in the hole.
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7 Mixing Fuel and Refueling the Machine
► Fit the cotter pin (1) in the hole in the pin (2).
The pin (2) is now secure.
6.2.2 Removing the Auger
► Shut off the engine.
► Pull out the cotter pin.
► Remove the pin.
► Remove the auger.
► Insert pin in spindle’s hole.
► Push the cotter pin into the hole in the pin.
The pin is now secure.
7.1 Mixing Fuel
This machine requires a fuel mixture of gasoline and two-
stroke engine oil in a ratio of 50:1.
STIHL recommends you use STIHL MotoMix.
If you mix the fuel yourself, use only STIHL two-stroke
engine oil or another high-performance engine oil in
accordance with JASO FB, JASO FC, JASO FD, ISO-L-
EGB, ISO-L-EGC or ISO-L-EGD.
STIHL specifies STIHL HP Ultra two-stroke engine oil or an
equivalent high-performance engine oil in order to maintain
emission limits over the machine’s service life.
► Make sure that the octane number of the gasoline is at
least 90 RON and the ethanol content is not more than
10%.
► Make sure the two-stroke engine oil you are using is
suitable for earth augers.
► Depending on the required amount of fuel, determine the
correct amounts of two-stroke engine oil and gasoline in a
mix ratio of 50:1. Examples for fuel mixes:
– 1 liter gasoline, 20 ml two-stroke engine oil
– 3 liters gasoline, 60 ml two-stroke engine oil
– 5 liters gasoline, 100 ml two-stroke engine oil
► Pour two-stroke engine oil into a clean approved fuel
canister first and then add gasoline.
► Thoroughly mix the fuel.
7.2 Refueling the Machine
► Shut off the engine.
► Place your machine on a level surface so that the fuel tank
cap faces up.
► Use a damp cloth to clean the tank cap and the area
around it.
► Turn the tank cap counterclockwise until it can be
removed.
7 Mixing Fuel and Refueling the
Machine
A video is available for this chapter
www.stihl.com/sxpweh
A video is available for this chapter
www.stihl.com/sxh4dN
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8 Starting and Stopping the Engine
► Remove the fuel tank cap.
NOTICE
Bright light, sunlight and extreme temperatures can cause
the fuel mix to separate much faster. The machine can be
damaged if it is used with a fuel mix that has become
separated.
► Thoroughly mix the fuel.
► Do not use fuel mix that has been stored for more than 30
days.
► Fill the tank to within no more than 15 mm of the brim,
taking care not to spill any fuel.
► Fit the tank cap on the tank opening.
► Turn the tank cap clockwise and tighten it down firmly by
hand.
The fuel tank is closed.
8.1 Selecting the Correct Starting Procedure
When must the engine be prepared for starting?
The engine must be prepared for starting if one of the
following conditions apply:
– The engine is at ambient temperature.
– The engine stopped when accelerated for the first time.
– The engine stopped because the fuel tank was empty.
► Prepare engine for start and then start the engine.
When can the engine be started without preparation?
The engine can be started without preparation if it has been
running for at least 1 minute and only shut down for a short
work break.
► Start the engine.
8.2 Preparing Engine for Start
► Select the correct starting procedure.
► Stand the machine on a level surface.
► Press the manual fuel pump bulb (1) at least five times.
► Move the choke lever (2) to position .
► Press down the throttle trigger lockout (4) and hold it
there.
► Pull the throttle trigger (5) and hold it there.
8 Starting and Stopping the Engine
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8 Starting and Stopping the Engine
► Move the slide control (3) to position and hold
it there.
► Release the throttle trigger (5) and lockout lever (4).
The slide control (3) engages in position .
► Press the machine down on the ground with your left hand
on the frame and step on the frame with your left foot.
► Pull the starter grip slowly with your right hand until you
feel it engage.
► Pull the starter grip quickly and allow the starter rope to
rewind several times until the engine fires and stops.
► If the engine does not stop: Move the choke lever (2) to
position so that the engine does not flood.
The engine stops.
8.3 Starting the Engine
WARNING
The slide control is in position for engine starts.
Engine RPM in position is higher than idle speed
and the drilling tool may rotate as soon as the engine runs.
The drilling tool may move and the user can lose control of
the machine. This can result in serious injuries.
► Press the machine down on the ground with your left hand
on the frame and step on the frame with your left foot.
► As soon as the engine runs: Blip the throttle trigger.
► Select the correct starting procedure.
► Stand the machine on a level surface.
► Move the choke lever (1) to position .
► Press down the throttle trigger lockout (4) and hold it
there.
► Pull the throttle trigger (5) and hold it there.
► Move the slide control (3) to position and hold
it there.
► Release the throttle trigger (5) and lockout lever (4).
The slide control (3) engages in position .
A video is available for this chapter
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9 Checking the Machine
► Press the machine down on the ground with your left hand
on the frame and step on the frame with your left foot.
► Pull the starter grip slowly with your right hand until you
feel it engage.
► Pull the starter grip quickly and allow the starter rope to
rewind several times until the engine runs.
► Blip the throttle trigger (5).
The slide control springs (3) to position . The engine runs
at idling speed.
► If the drilling tool (auger) rotates when the engine is idling:
Rectify the malfunction.
Idle speed adjustment is not correct.
► If the engine does not start: Prepare the engine for the
start and then try again to start the engine.
8.4 Stopping the Engine
► Release the throttle trigger (3) and lockout lever (2).
The drilling tool stops rotating.
► Move the slide control (1) to position .
The engine stops.
If the engine does not stop:
► Move the choke lever to position .
The engine stops.
► Do not use your machine and contact your STIHL
servicing dealer for assistance.
There is a malfunction in the slide control.
9.1 Checking the Controls
Throttle trigger lockout and throttle trigger
► Shut off the engine.
► Attempt to pull the trigger without depressing the lockout
lever.
► If the trigger can be pulled: Do not use your machine and
contact your STIHL servicing dealer for assistance.
There is a malfunction in the throttle trigger lockout.
► Press down the throttle trigger lockout and hold it there.
► Depress the throttle trigger.
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10 Using the Machine
► Release the throttle trigger and throttle trigger lockout.
► If the trigger or trigger lockout is stiff or does not spring
back to the idle position: Do not use your machine and
contact your STIHL servicing dealer for assistance.
Trigger or trigger lockout is faulty.
Throttle cable adjustment
► Start the engine.
► Attempt to pull the trigger without depressing the lockout
lever.
► If the engine accelerates: Adjust the throttle cable.
Throttle cable adjustment is not correct.
Stopping the engine
► Start the engine.
► Move the slide control to position .
The engine stops.
► If the engine does not stop:
► Move the choke lever to position .
The engine stops.
► Do not use your machine and contact your STIHL
servicing dealer for assistance.
There is a malfunction in the slide control.
10.1 Adjusting Carburetor for Operation at High
Altitude
If you use the machine at high altitude, the engine will not
deliver optimum power. The carburetor setting can be
adjusted to obtain optimum engine power.
► Start the engine.
► Warm up the engine by opening and closing the throttle for
about 1 minute.
NOTICE
If the machine is again used at a low altitude, the engine may
overheat.
► Carry out the standard setting.
► Rotate the high speed screw H clockwise until the engine
delivers optimum power.
10 Using the Machine
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11 After Finishing Work
10.2 Holding and Controlling the Machine
► Hold the machine with your right hand on the control
handle – wrap your thumb around the control handle.
► Hold the machine with your the left hand on the assist
handle – wrap your thumb around the handle.
10.3 Drilling
► Align the machine.
► Drill at a low feed rate.
11.1 After Finishing Work
► Shut off the engine.
► Allow machine to cool down.
► If the machine is wet: Allow machine to dry.
► Clean the machine.
► Clean the air filter.
► Clean the drilling tool.
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11 After Finishing Work
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