BOSCH Keo 10.8V Cordless Garden Saw Instruction Manual

October 27, 2023
Bosch

BOSCH logo Instruction Manual
Keo
BOSCH Keo 10 8V Cordless Garden Saw

Keo 10.8V Cordless Garden Saw

Safety Notes
Explanation of symbols
Read instruction manual.

| Read instruction manual.
---|---
**| General hazard safety alert.
| WARNING: Keep bystanders away.
| Remove battery before adjusting or cleaning,and before leaving the machine unattended for any period.
| Do not expose to rain.
| Do not use a garden hose to clean the machine.
RYOBI RY401017 20 Inch Walk Behind Lawn Mower Kit -
Protection| Wear eye protection.
**
| Wear hand protection.
| Keep hands away from blade.

General Power Tool Safety Warnings
WARNING
Read all safety warnings, instructions, illustrations and specifica- tions provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/ or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mainsoperated (corded) power tool or battery-operated (cordless) power tool.

Work area safety

  • Keep work area clean and well lit. Cluttered or dark areas invite accidents.
  • Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
  • Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical safety

  • Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
  • Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
  • Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
  • Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
  • When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
  • If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock.

Personal safety

  • Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious  personal injury.

  • Use personal protective equipment. Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat or hearing protection used for appropriate conditions will reduce personal injuries.

  • Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.

  • Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.

  • Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

  • Dress properly. Do not wear loose clothing or jewellery. Keep your hair and clothing away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.

  • If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.

  • Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.
    Power tool use and care

  • Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.

  • Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.

  • Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.

  • Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.

  • Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.

  • Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.

  • Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.

  • Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.
    Battery tool use and care

  • Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.

  • Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.

  • When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.

  • Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.

  • Do not use a battery pack or tool that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behaviour resulting in fire, explosion or risk of injury.

  • Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 130°C may cause explosion.

  • Follow all charging instructions and do not charge the battery pack or tool outside the temperature range specified in the instructions. Charging improperly or at temperatures outside the specified range may damage the battery and increase the risk of fire.
    Service

  • Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

  • Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers.

Safety instructions for reciprocating saws

  • Before any work on the machine (e. g. maintenance, changing the tool, etc.) as well as during its transport and storage, always remove the battery and lock the On/Off switch in the off position. Danger of injury when accidentally actuating the On/Off switch.

  • Hold the power tool by insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.

  • Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the workpiece by hand or against your body leaves it unstable and may lead to loss of control.

  • Do not use the power tool with the hook without rubber covers or with damaged rubber covers. If the rubber covers on the hook are damaged, replace the hook by a new one.

  • Keep hands away from the sawing area. Do not reach under the workpiece. Contact with the saw blade can lead to injuries.

  • Only bring the power tool into contact with the workpiece when switched on. Otherwise there is danger of kickback if the cutting tool jams in the workpiece.

  • Ensure that the footplate is always resting on the workpiece while sawing. The saw blade can jam and lead to loss of control over the power tool.

  • When the cut is completed, switch off the power tool and then pull the saw blade out of the cut only after it has come to a standstill. In this manner you can avoid kickback and can place down the power tool securely.

  • Always wait until the power tool has come to a complete stop before placing it down. The application tool can jam and cause you to lose control of the power tool.

  • Use only undamaged saw blades that are in perfect condition. Bent or dull saw blades can break, negatively influence the cut, or lead to kickback.

  • Do not brake the saw blade to a stop by applying side pressure after switching off. The saw blade can be damaged, break or cause kickback.

  • Ensure that the material is securely clamped. Do not support the workpiece using your hands or feet. Do not touch any objects or the floor with the saw while it is running.
    There is a risk of kickback.

  • Use suitable detectors to determine if there are hidden supply lines or contact the local utility company for assistance.
    Contact with electric cables can cause fire and electric shock. Damaging gas lines can lead to explosion. Breaking water pipes causes property damage.

  • Wear gloves, saw blades are sharp and can become hot during cutting.

  • Use a dust mask when cutting wood that has been treated with a chemical wood preservative.

  •  Do not modify any components on the machine.

Danger of injury.

  • Use only original Bosch accessories.
    Safety Instructions and Recommendations for Optimal Handling of the Battery

  • Ensure the product is switched off before inserting the battery. Inserting the battery into a product that has the switch on can cause accidents.

  • Use only Bosch batteries intended specifically for this product. Use of any other batteries may create a risk of injury and fire.

  • Do not open the battery. There is a risk of short-circuiting.

Protect the battery against heat (e.g., against continuous intense sunlight), fire, water, and moisture. There is a risk of explosion.

  • Keep the battery not being used away from paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.

  • In case of damage and improper use of the battery pack, vapours may be emitted. Ventilate the area and seek medical help in case of complaints. The vapours can
    irritate the respiratory system.

  • Only use the battery with products from the manufacturer. This is the  only way in which  you can protect the battery against dangerous overload.

  • The battery can be damaged by pointed objects such as nails or screwdrivers or by force applied externally. An internal short circuit may occur, causing the battery to burn, smoke, explode or overheat.

  • Do not short-circuit the battery. There is a risk of explo- sion.

  • Protect the battery against moisture and water.

  • Store the product and battery only within a temperature range between –20 °C and 50 °C . As an example, do not leave the battery in the car in summer.

  • Occasionally clean the venting slots of the battery using a soft, clean and dry brush.

Symbols
The following symbols are important for reading and understanding the original instructions. Please take note of the symbols and their meaning. The correct interpretation of the symbols will help you to use the product in a better and safer manner.

Symbol Meaning
Only use the battery charger indoors in dry conditions.
Movement direction
Reaction direction
Switching on
Switching off
Permitted action
Prohibited action
Accessories/Spare parts

Product description and specifications
Read all safety warnings and all instructions. Failure to follow the safety warnings and instructions may result in electric shock, fire and/or serious injury. Please observe the illustrations at the ending of this operating manual.
Intended use
This power tool is intended for garden and household use. It is for cutting branches and can also be used for the sawing of wood, soft metal (such as copper) and plaster board. It is suitable for straight and curved cuts. The saw blade recommendations must be observed.
Product Features (see figure A)

(1) Removable hook
(2) Saw blade holder
(3) Lock for saw blade
(4) Lock for hook
(5) Battery charge-control indicator
(6) On/Off switch| (7) Lock-off button for On/Off switch
(8) Saw blade
(9) Battery
(10) Charger a)
(11) Handle (insulated gripping surface)
(12) Battery unlocking button
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a) Accessories shown or described are not included with the product as standard. You can find the complete selection of accessories in our accessories range.

Technical Data

Sabre saw Keo
Article number
Rated voltage) v
Stroke rate at no load no min .
Tool holder
Stroke mm
– in wood mm
– in soft metal mm
Weight according to EPTA-Procedure 01:20148) kg
Recommended ambient temperature during charging °C
Permitted ambient temperature during operation A) and storage °C
Battery type A

6.0 Ah

A) Limited performance at temperatures < 0 °C
B) Depends on battery in use
The specifications apply to a rated voltage [U] of 230 V. These specifications may vary at different voltages and in country-specific models.
Noise/Vibration Information
Noise emission values determined according to EN 62841-2-11.
Typically the A-weighted sound pressure level of the product is 74 dB(A). Uncertainty K = 5 dB. The noise level when working can exceed the declared values.
Wear hearing protection!
Vibration total values ah (triax vector sum) and uncertainty K determined according to EN 62841-2-11:
Sawing chipboard with saw blade S 644 D:
ah,B  = 19 m/s 2 , K = 1.5 m/s 2 ,
Sawing wood beams with saw blade S 644 D: ah,WB   = 20 m/s 2 , K = 1.5 m/s 2.
That the declared vibration total value(s) and the declared noise emission value(s) have been measured in accordance with a standard test method any may be used for comparing one tool to another. That the declared vibration total value(s) and the declared noise emission value(s) may also be used in a preliminary assessment of exposure. That the vibration and noise emissions during actual use of the power tool can differ from the declared values depending on the ways in which the tool is used especially what kind of workpiece is processed; and of the need to identify safety measures to protect the operator that are based on an estimation of the exposure measures in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).

Mounting and Operation

Action Figure Page
Delivery scope A 203
Mounting the Hook B 204
Checking if the Hook fits correctly C 205
Inserting/Replacing the Saw Blade D 205
Checking if the Blade is connected E 206
Inserting/removing the battery F 206
Switching on and off/Controlling the Stroke Rate G − H 207
Working Advice I − J 208 − 209
Maintenance and cleaning K 209
Selecting accessories L 210

Starting Operation

  • Remove the battery from the power tool before carrying out work on the power tool (e.g. maintenance, changing tool, etc.).
    The battery should also be removed for transport and storage.
    There is risk of injury from unintentionally pressing the on/off switch. Inserting/removing the battery (see figure F)

Note: Using unsuitable batteries can lead to malfunctions of or cause damage to the power tool. Insert the charged battery (9).
Make sure that the battery is fully fitted. To remove the battery (9) from the machine, press the battery unlocking button (12) and pull the battery out.
Battery charge indicator
The battery charge indicator (5) indicates the remaining battery capacity or an overload when the power tool is switched on.

LED Capacity
Continuous lighting 3 x green ≥ 75 %
Continuous lighting 2 x green 40 − 75 %
Continuous lighting 1 x green 15 − 40 %
Slow flashing 1 x green 0 − 15 %

Operation

Switching on and off (see figure G)
Firstly, press the lock-off button (7) and then the On/Off
switch(6). You can release the lock-off button (7) when the power tool is running. The lock-off button (7) engages agaas soon as the power tool comes to a complete stop.
Working Advice
Always follow the safety advice provided.

Troubleshooting

Sabre saw

Problem Possible Cause Corrective Measure
Power tool fails to op- erate Battery discharged Recharge battery; also see

Battery Charging.’
Power tool defective| Contact Service Agent.
Internal wiring of garden tool defective| Contact Service Agent.
Power tool functions intermittently| On/Off switch defective| Contact Service Agent.
Excessive vibrations/ noise| Power tool defective| Contact Service Agent.
Sawing time per bat- tery charge too low| Blade holder area needs cleaning| Hold the tool to point to the ground and start to operate
Saw blade worn| Change saw blade
Poor sawing technique| see “Working Advice”
Battery not fully charged| Recharge battery; also see “Battery Charging”
The saw blade is run- ning slow| Battery is getting discharged| Recharge battery; also see “Battery Charging”
Overloaded during operation| ‘Reduce pressing force of tool against branch

Selecting the saw blade
Use only saw blades suitable for the material being worked.
An overview of recommended saw blades can be found at the end of these operating instructions. Do not use other blades than recommended.
Use a narrow saw blade when sawing tight curves.
Dust/Chip Extraction
Dust from materials such as lead-containing coatings, some wood types, minerals and metal can be harmful to one’s health. Touching or breathing-in the dust can cause allergic reactions and/or lead to respiratory infections of the user or bystanders.
Certain dust, such as oak or beech dust, is considered carcinogenic, especially  in connection with wood-treatment additives  (chromate,wood preservative).
Materials containing asbestos  may only be worked by specialists.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the materials to be worked.
Avoid dust accumulation at the workplace. Dust can easily ignite.
Maintenance and Service
Maintenance, Cleaning and Storage
Always follow the safety advice provided.
Clean the power tool and the saw blade mount regularly if material accumulates and can hinder movement. Clean the saw blade mount preferably with compressed air or with a soft brush. For this, remove the saw blade from the power tool. Ensure proper operation of the saw blade holder by applying a suitable lubricant. Heavy contamination of the machine can lead to malfunctions. Therefore, do not saw materials that produce a lot of dust from below or overhead. Store the power tool in a secure, dry place, out of the reach of children. Do not place other objects on the power tool.
Battery Maintenance
Use the following procedures to enable optimum usage of the battery:
– Protect the battery against moisture and water.
– Store the machine and battery only within a temperature range between –20 °C and 50 °C . As an example, do not leave the battery in the car in summer.
– It is recommended that the battery is not stored within the product but stored separately.
– Do not leave the battery in the product in direct sunlight.
– The ideal storage condition for the battery is 5 °C.
– Occasionally clean the venting slots of the battery using a soft, clean and dry brush.
A significantly reduced working period after charging indicates that the battery is used and must be replaced.
After-Sales Service and Application Service
Our after-sales service responds to your questions concerning maintenance and repair of your product as well as spare parts. You can find explosion drawings and information on spare parts at: www.bosch-pt.com The Bosch product use advice team will be happy to help you with any questions about our products and their accessories. In all correspondence and spare parts orders, please always include the 10‑digit article number given on the nameplate of the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange the collection of a product in need of servicing or repair.
Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com 
You can find further service addresses at: www.bosch- pt.com/serviceaddresses

Transport

The contained lithium-ion batteries are subject to the Dangerous Goods Legislation requirements. The batteries are suitable for road-transport by the user without further restrictions. When shipping by third parties (e.g.: by air transport or forwarding agency), special requirements on packaging and labelling must be observed. For preparation of the item being shipped, consulting an expert for hazardous material is required. Dispatch battery packs only when the housing is undamaged. Tape or mask off open contacts and pack up the battery in such a manner that it cannot move around in the packaging. Please also observe the possibility of more detailed national regulations.

Disposal

The product, batteries, accessories and packaging should be sorted for environmentalfriendly recycling.
Do not dispose of the product and batteries/rechargeable batteries into household waste!

Only for EU countries:
According to the European Guideline 2012/19/EU, products that are no longer usable, and according to the European Guideline 2006/66/EC, defective or used battery packs/ batteries, must be collected separately and disposed of in an environmentally correct manner.
Only for United Kingdom
According to Waste Electrical and Electronic Equipment Regulations 2013 (2013/3113) and the Waste Batteries and Accumulators Regulations 2009 (2009/890), power tools that are no longer usable must be collected separately and disposed of in an environmentally friendly manner.
Battery packs/batteries:
Li-ion: Please observe the notes in the section on transport (see
“Transport”, page 15).
GB Importer: Robert Bosch Ltd.
Broadwater Park North Orbital Road Uxbridge UB9 5HJ

BOSCH Keo 10 8V Cordless Garden Saw fig8

BOSCH Keo 10 8V Cordless Garden Saw fig7| BOSCH
Keo 10 8V Cordless Garden Saw fig3
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BOSCH Keo 10 8V Cordless Garden Saw fig6| BOSCH
Keo 10 8V Cordless Garden Saw fig2
BOSCH Keo 10 8V Cordless Garden Saw fig5| BOSCH
Keo 10 8V Cordless Garden Saw fig1
BOSCH Keo 10 8V Cordless Garden Saw fig4| BOSCH
Keo 10 8V Cordless Garden Saw fig

Licenses
Copyright © 2012–2019 STMicroelectronics
All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: – Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. – Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. – Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Copyright © 2009–2020 ARM LIMITED
All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
– Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
– Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
– Neither the name of ARM nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Robert Bosch Power Tools GmbH
70538 Stuttgart
GERMANY
www.bosch-pt.com
F 016 L94 166 (2021.10) O / 211

References

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