BOSCH UniversalChain 18 Cordless Electric
Chainsaw User Manual

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions

Safety Notes

Explanation of symbols BOSCH UniversalChain 18 Cordless Electric Chainsaw
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Explanation of symbolsGeneral Power Tool Safety Warnings

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Warning or Caution iconWARNING

  • Read all safety warnings and all instructions. Failure to follow the warnings and instructions 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 mains operated (corded) power tool or battery-operated (cordless) power tool. BOSCH UniversalChain 18 Cordless Electric Chainsaw

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. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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 and 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 BOSCH UniversalChain 18 Cordless Electric Chainsaw

  • 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 dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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.

Power tool use and care BOSCH UniversalChain 18 Cordless Electric Chainsaw 

  • 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 the battery pack 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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. 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw

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. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw

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.

Chain Saw Safety Warnings

  • Keep all parts of the body away from the saw chain when the motor is operating. Before you start the chain saw, make sure the saw chain is not contacting anything. A moment of inattention while operating chain saws may cause entanglement of your clothing or body with the saw chain. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle. Holding the chain saw with a reversed hand configuration increases the risk of personal injury and should never be done.
  • Hold the power tool by insulated gripping surfaces only, because the saw chain may contact hidden wiring. Saw chains contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
  • Wear safety glasses and hearing protection. Further protective equipment for head, hands, legs and feet is recommended. Adequate protective clothing will reduce personal injury by flying debris or accidental contact with the saw chain. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Do not operate a chain saw in a tree. Operation of a chain saw while up in a tree may result in personal injury.
  • Always keep proper footing and operate the chain saw only when standing on fixed, secure and level surface. Slippery or unstable surfaces such as ladders may cause a loss of balance or control of the chain saw.
  • When cutting a limb that is under tension be alert for spring back. When the tension in the wood fibres is released the spring loaded limb may strike the operator and/or throw the chain saw out of control. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Use extreme caution when cutting brush and saplings. The slender material may catch the saw chain and be whipped toward you or pull you off balance.
  • Carry the chain saw by the front handle with the chain saw switched off and away from your body. When transporting or storing the chain saw, always fit the guide bar cover. Proper handling of the chain saw will reduce the likelihood of accidental contact with the moving saw chain.
  • Follow instructions for oiling, chain tensioning and changing accessories. Improperly tensioned or lubricated chain may either break or increase the chance for kickback.
  • Keep handles dry, clean, and free from oil and grease. Greasy, oily handles are slippery causing loss of control.
  • Cut wood only. Don’t use chain saw for purposes not intended. For example: do not use chain saw for cutting plastic, masonry or non-wood building materials. Use of the chain saw for operations different than intended could result in a hazardous situation. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Causes and operator prevention of kickback: ­ Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut. ­ Tip contact in some cases may cause a sudden reverse reaction, kicking the guide bar up and back towards the operator. ­ Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator.
    ­ Either of these reactions may cause you to lose control of the saw which could result in serious personal injury. Do not rely exclusively upon the safety devices built into your saw. As a chain saw user, you should take several steps to keep your cutting jobs free from accident or injury. Kickback is the result of tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below:
  • Maintain a firm grip, with thumbs and fingers encircling the chain saw handles, with both hands on the saw and position your body and arm to allow you to resist kickback forces. Kickback forces can be controlled by the operator, if proper precautions are taken. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Do not let go of the chain saw. Do not overreach and do not cut above shoulder height. This helps prevent unintended tip contact and enables better control of the chain saw in unexpected situations.
  • Only use replacement bars and chains specified by the manufacturer. Incorrect replacement bars and chains may cause chain breakage and/or kickback.
  • Follow the manufacturer’s sharpening and maintenance instructions for the saw chain. Decreasing the depth gauge height can lead to increased kickback. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Additional safety warnings

  • It is recommended that the first time user should have practical instruction in the use of the chainsaw and the protective equipment from an experienced operator. The initial practice should be cutting logs on a saw horse or cradle.
  • This tool is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Children and juveniles, with the exception of apprentices older than 16 years and under supervision, may not operate the chain saw. The same applies for persons who do not or do not sufficiently know how to handle the chain saw. The operating instructions should always be ready to hand. Persons unfit or tired must not operate the chain saw.
  • When working with the machine, always hold it firmly with both hands and provide for a secure stance. The power tool is guided more securely with both hands.
  • Always ensure all handles and guards are properly fitted when using the machine. Never attempt to use an incomplete machine or one fitted with an unauthorized modification. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Wait until the machine has come to a standstill before placing it down.
  • Do not remove or modify the tip protector! Tool is fitted with a tip protector to help protect against effect of kick back by accidentally touching the tip of the tool against the wood.

Recommendations for Optimal Handling of the Battery

  • Ensure the switch is in the off position before inserting battery pack. Inserting the battery pack into machines that have the switch on can cause accidents.
  • Use only Bosch battery packs intended specifically for the machine. Use of any other battery packs may create a risk of injury and fire.
  • Do not open the battery. Danger of short-circuiting. BOSCH UniversalChain 18 Cordless Electric Chainsaw
    BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Disposal iconProtect the battery against heat, e. g., against continuous intense sunlight, fire, water, and moisture. Danger of explosion.
  • In case of damage and improper use of the battery, vapours may be emitted. Ventilate the area and seek medical help in case of complaints. The vapours can irritate the respiratory system.
  • Use the battery only in conjunction with your Bosch product. This measure alone protects 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 can occur and the battery can burn, smoke, explode or overheat. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Do not short-circuit the battery. There is danger of explosion.
  • Protect the battery against moisture and water.
  • Store the 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Safety Warnings for Battery Chargers

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Read all safety warnings and all instructionsRead all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save these instructions. Use the battery charger only when you fully understand and can perform all functions without limitation, or have received appropriate instructions.

  • Never allow children, persons with physical, sensory or mental limitations or a lack of experience and/or knowledge and/or people unfamiliar with these instructions to use the machine. Local regulations may restrict the age of the operator. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Supervise children. This will ensure that children do not play with the charger.
  • Only charge Bosch lithium-ion batteries with a capacity of 1.5 Ah or more (5 battery cells or more). The battery voltage must match the battery charging voltage of the charger. Do not charge no rechargeable batteries. Otherwise there is danger of fire and explosion.
  • Keep the battery charger away from rain or moisture. Penetration of water in the battery charger increases the risk of an electric shock.
  • Only charge Bosch lithium-ion batteries. The battery voltage must match the battery charging voltage of the charger. Otherwise there is danger of fire and explosion.
  • Keep the battery charger clean. Contamination can lead to danger of an electric shock. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Before each use, check the battery charger, cable and plug. If damage is detected, do not use the battery charger. Never open the battery charger yourself. Have repairs performed only by a qualified technician and only using original spare parts. Damaged battery chargers, cables and plugs increase the risk of an electric shock.
  • Do not operate the battery charger on easily inflammable surfaces (e. g., paper, textiles, etc.) or surroundings. The heating of the battery charger during the charging process can pose a fire hazard. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Do not cover the ventilation slots of the battery charger. Otherwise, the battery charger can overheat and no longer operate properly.
  • It is recommended for increased electrical safety to use a Residual Current Device (RCD) with a tripping current of not more than 30 mA. Always check your RCD every time you use it. Products sold in GB only: Your product is fitted with a BS 1363/A approved electric plug with internal fuse (ASTA approved to BS 1362). If the plug is not suitable for your socket outlets, it should be cut off and an appropriate plug fitted in its place by an authorised customer service agent. The replacement plug should have the same fuse rating as the original plug. BOSCH UniversalChain 18 Cordless Electric Chainsaw
    Bosch Power Tools The severed plug must be disposed of to avoid a possible shock hazard and should never be inserted into a mains socket elsewhere.

Intended Use

The power tool is intended for sawing wood such as wooden beams, planks, branches, tree trunks, etc., and for sawing of trees. Cuts can be sawed with or across the grain. This power tool is not suitable for sawing mineral materials. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Delivery Scope

Carefully remove the power tool from its packaging and check if the following parts are complete:

  • ­ Chain saw
  • ­ Cover
  • ­ Chain
  • ­ Chain bar ­
  • Chain guard
  • ­ Saw chain oil
  • ­ Operating instructions
    Battery and charger are included in certain executions. If parts are missing or damaged, please contact your dealer. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Product Features

The numbering of the product features refers to the illustration of the machine on the graphics page. BOSCH UniversalChain 18 Cordless Electric Chainsaw

  1. Rear handle (insulated gripping surface)
  2. On/Off switch
  3. Lock-off button for On/Off switch
  4. Oil filler cap
  5. Front handle (insulated gripping surface)
  6. Hand guard
  7. Oil level gauge
  8. Gripping teeth
  9. Chain guard
  10. Tip protector
  11. Chain bar
  12. Saw chain
  13. Chain-tensioning ring (red)  BOSCH UniversalChain 18 Cordless Electric Chainsaw
  14. Clamping knob
  15. Chain Sprocket Cover
  16. Battery charge-control indicator
  17. Battery pack
  18. Battery unlocking button **
  19. Fastening bolt
  20. Drive sprocket
  21. Oil outlet
  22. Oil seal
    ** country specific Accessories shown or described are not part of the standard delivery scope of the product. A complete overview of accessories can be found in our accessories program.

Technical Data

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Technical Data BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Technical Data BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Technical Data

Noise/Vibration Information

Sound emission values determined according to EN 60745-2-13. BOSCH UniversalChain 18 Cordless Electric Chainsaw
Typically the A-weighted noise levels of the product are: Sound pressure level 84 dB(A); Uncertainty K=3 dB sound power level 95 dB(A); Uncertainty K=1 dB. Wear hearing protection!
Vibration total values ah (triax vector sum) and uncertainty K determined according to EN 60745-2-13: ah= 3.7 m/s2, K=1.5 m/s2. The vibration level given in this information sheet has been measured in accordance with a standardised test given in EN 60745 and may be used to compare one tool with another. It may be used for a preliminary assessment of exposure. The declared vibration emission level represents the main applications of the tool. However if the tool is used for different applications, with different accessories or insertion tools or is poorly maintained, the vibration emission may differ. This may significantly increase the exposure level over the total working period. An estimation of the level of exposure to vibration should also take into account the times when the tool is switched off or when it is running but not actually doing the job. This may significantly reduce the exposure level over the total working period. Identify additional safety measures to protect the operator from the effects of vibration such as: maintain the tool and the accessories, keep the hands warm, organisation of work patterns. BOSCH UniversalChain 18 Cordless Electric Chainsaw

For Your Safety

  • Warning: Switch off and remove battery from power tool before adjusting or cleaning.
  • Caution! Do not touch the rotating chain. BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Do not operate the chain saw near other people, children or animals. Do not operate the chain saw after drinking alcohol or under the influence of intoxicating drugs or medication.

Initial Operation

Inserting/Removing the Battery (see figure A)
Note: Use of batteries not suitable for the machine can lead to malfunctions of or cause damage to the power tool. Insert the charged battery 17. Ensure that the battery is inserted correctly. To remove the battery 17 from the machine, press the battery unlocking button 18 and pull the battery out. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Battery Charging

Do not use other battery chargers. The supplied battery charger is designed for the Lithium-Ion battery in your garden product.
Observe the mains voltage! The voltage of the power supply must correspond with the data given on the nameplate of the battery charger. Battery chargers marked with 230 V can also be operated with 220 V.
The battery is equipped with temperature monitoring that allows charging only in the temperature range between 0 ° C and 45 ° C. In this manner, a high battery service life is achieved. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Note: The battery supplied is partially charged. To ensure full capacity of the battery, completely charge the battery in the battery charger before using your power tool for the first time. The lithium-ion battery can be charged at any time without reducing its service life. Interrupting the charging procedure does not damage the battery. The “Electronic Cell Protection (ECP)” protects the lithium ion battery against deep discharging. When the battery is run down or discharged, the garden product is shut off by means of a protective circuit: The garden product no longer operates. BOSCH UniversalChain 18 Cordless Electric Chainsaw

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Warning or Caution iconIMPORTANT Do not continue to press the On/Off switch after the garden product has been automatically switched off. The battery can be damaged. Observe the notes for disposal of the battery.

Charging Procedure
The charging procedure starts as soon as the mains plug of the battery charger is plugged into the socket outlet and the battery 17 is inserted into the charging compartment. Due to the intelligent charging method, the charging condition of the battery is automatically detected and the battery is charged with the optimum charging current, depending on battery temperature and voltage. This gives longer life to the battery and always leaves it fully charged when kept in the charger for storage. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Meaning of the Indication Elements (AL 1830 CV)

(Fast) Flashing of the Green Battery Charge Indicator
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Flashing of the Green Battery ChargeThe rapid-charging procedure is indicated by fast flashing of the green battery charge indicator. Note: The rapid-charging procedure is only possible when the battery temperature is within the allowable charging temperature range, see section “Technical Data”.

(Slow) Flashing of the Green Battery Charge Indicator
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Flashing of the Green Battery Charge SlowWhen the charging condition of the battery is 80 %, the green battery charge indicator flashes slowly. The battery can be removed for immediate use. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Continuous Lighting of the Green Battery Charge Indicator
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Continuous Lighting of the Green BatteryContinuous lighting of the green battery charge indicator indicates that the battery is fully charged. When the battery is not inserted, continuous lighting of the battery charge indicator indicates that the mains plug is inserted in the socket and that the battery charger is ready for operation.

Continuous Lighting of the Red Battery Charge Indicator
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Continuous Lighting of the Red BatteryContinuous lighting of the red battery charge indicator indicates that the temperature of the battery is not within the allowable charging temperature range, see section “Technical Data”. As soon as the allowable charging temperature range is reached, the battery charger automatically switches to rapid charging. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Flashing Red Battery Charge Indicator
BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Flashing Red Battery Charge IndicatorA flashing red battery charge indicator indicates a different malfunction of the charging procedure, see section “Troubleshooting ­ Causes and Corrective Measures”.

Troubleshooting ­ Causes and Corrective Measures

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Troubleshooting BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Troubleshooting

Charging Advice
With continuous or several repetitive charging cycles without interruption, the charger can warm up. This does not indicate a technical defect of the battery charger. A significantly reduced working period after charging indicates that the battery is used and must be replaced. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Battery Charge-control Indication
The battery charge-control indicator on the power tool consists of three green LEDs. It indicates the charging condition of the battery for a few seconds after the tool is switched on and off.

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Battery Charge-control Indication

Mounting and Tensioning the Chain Saw

  • Do not insert battery before the chain saw is completely assembled.
  • Always wear protective gloves when handling the chain. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Chain and Chain Bar Assembly (see figures B1­B4)
Use only chains with a drive link thickness of 1,1 mm. ­

  • Unpack all parts carefully. ­
  • Place the chain saw on any suitable flat surface. ­
  • Insert the saw chain 12 in the slot around the chain bar 11. Observe the correct running direction by comparing the saw chain to the rotation symbol. ­ Place the chain links around the drive sprocket 20 and mount the chain bar 11. ­ BOSCH UniversalChain 18 Cordless Electric Chainsaw
  • Check if all parts are seated properly and hold the chain bar and the chain in this position. ­
  • Remount the cover 15. ­
  • Lightly tighten the cover 15 with the clamping knob 14. ­
  • The chain is not yet tensioned. The saw chain is tensioned as described in section “Tensioning the Saw Chain”.

Tensioning the Saw Chain (see figure C)
Always check the chain tension before use, after the first cuts and regularly during use approx. every 10 minutes. Upon initial operation, new chains can lengthen considerably. The chain life of the saw chain mainly depends upon sufficient lubrication and correct tensioning. Avoid tensioning the chain if it is hot, as this will cause the chain to become overtensioned and face too tightly against the chain bar when it cools down. ­ Place the chain saw on any suitable flat surface. ­ Turn clamping knob 14 approx. 1 ­ 3 turns anticlockwise to loosen the chain bar. ­ Check if the chain links are correctly located in the slot around the chain bar 11 and on the drive sprocket 20. ­ Turn the red chain-tensioning ring 13 clockwise ratcheting until the correct chain tension is reached. The ratchet mechanism prevents the chain tension from loosening. If the chain-tensioning ring 13 is hard to turn, loosen the clamping knob 14 further in anticlockwise direction. The locking knob 14 may also turn, when adjusting the chain tensioning ring 13. ­ The saw chain 12 is correctly tensioned when it can be raised approx. 5­10 mm from the chain bar in the centre. This should be done by using one hand to raise the saw chain against the weight of the machine. ­ If the saw chain 12 is over tensioned, turn the chain tensioning ring 13 in anticlockwise direction. ­ When the saw chain 12 is tensioned, clamp the chain bar 11 by turning the locking knob 14 in clockwise direction. Do not use a tool for this. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Saw-chain Lubrication (see figure D)
Note: The chain saw is not supplied filled with oil (delivery scope). It is essential to fill with oil before use. Operating the chain saw without chain oil or when the oil level is below the minimum mark will result in damage to the chain saw. Chain life and cutting capacity depend on optimum lubrication. Therefore, the chain is automatically lubricated with chain oil during operation via the oil outlet 21. Filling the oil reservoir: ­ Set chain saw on any suitable surface with the oil filler cap 4 facing upward. ­ Clean area around the oil filler cap 4 with a cloth and unscrew the cap. ­ Add Bosch biodegradable chain saw oil until oil level reads “max” on oil level gauge 7. ­ Avoid dirt or debris from entering the oil reservoir. Screw on oil filler cap 4 again and tighten. ­ Run chainsaw for 30 seconds to “prime” oil system. BOSCH UniversalChain 18 Cordless Electric Chainsaw
Note: To allow venting of the oil reservoir, small breather channels are provided between the oil filler cap. To prevent leakage ensure chain saw is left in a horizontal position (oil filler cap 4 uppermost) when not in use. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Note: It is important to use only readily biodegradable chain lubricants (according to RAL-UZ 48) to avoid damage to the chain saw. Never use recycled/old oil. Use of non approved oil will invalidate the warranty. Note: Oil becomes denser at lower temperatures which decreases the flow rate of oil.

Operation

Inserting the battery
Insert the charged battery 17. Ensure that the battery is inserted correctly.
Switching On and Off BOSCH UniversalChain 18 Cordless Electric Chainsaw
Hold the chain saw as described in section “Working with the Chain Saw”. To start the machine, first push the lock-off button for the On/Off switch 3 and then press the On/Off switch 2 and keep it pressed. When the machine is running, the lock-off button can be released again. To switch off the machine, release the On/Off switch 2. Note: For safety reasons, the On/Off switch 2 cannot be locked; it must remain pressed during the entire operation. To save energy, only switch the power tool on when using it.

Working with the Chain Saw

Before Cutting
Before starting operation and periodically during cutting, carry out the following checks: ­ Is the chain saw in a safe condition? ­ Is the oil reservoir filled? Check oil level gauge prior to starting and regularly during operation. Refill oil when oil level has reached the bottom edge of the viewing glass. The oil tank filling will last approx. 15 minutes, depending on sawing intensity and stops. ­ Is the saw chain properly tensioned and sharp? Check chain tension every 10 minutes during operation. Upon initial operation, new chains can lengthen considerably. The condition of the chain influences the cutting performance. Only a sharp chain protects from overload. ­ Are you wearing the required protective equipment? Wear safety glasses and hearing protection. Further protective equipment for head, hands, legs and feet is recommended. Suitable protective clothing reduces the danger of injury from thrown about cutting material and accidental touching of the saw chain. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Kickback
Do not remove or modify the tip protector! Tool is fitted with a tip protector to help protect against effect of kick back by accidentally touching the tip of the tool against the wood. Kickback is the sudden backward/upward motion of the chain saw, occurring when the chain (at the tip of the chain bar) comes in contact with a log or wood, or when the chain becomes jammed. When kickback occurs, the chainsaw reacts unpredictably and can cause heavy injuries to the operator or bystanders. Particular attention must be given when sawing sidewards, slanted or during length cuts, as the gripping teeth 8 usually can not be applied. To avoid kickback: ­ Saw with the chain bar at a flat angle. ­ Never work with a loose, widely stretched or heavily worn out saw chain. ­ Replace blunt chain as specified. ­ Never saw above shoulder height. ­ Never work with the tip of the chain. ­ Always hold a chain saw firmly with both hands. ­ Always use a Bosch approved low-kickback saw chain. ­ Apply the metal gripping teeth 8 for leverage. ­ Ensure correct chain tension. BOSCH UniversalChain 18 Cordless Electric Chainsaw

General Behaviour (see figures E­H)
Always hold the chain saw firmly with both hands. Front handle with the left hand and rear handle with the right hand. Fully grip both handles with thumb and fingers at all times during operation. Never operate chain saw using only one hand. Use the chain saw only with secure footing. Hold the chain saw at the right-hand side of your body. The chain must be running at full speed before it makes contact with the wood. Use the gripping teeth 8 to support the chain saw on the wood. Use the gripping teeth as a leverage point while cutting. Reset the gripping teeth at a lower point when sawing thicker logs or tree trunks. For this, pull the chain saw slightly backwards until the gripping teeth release, and reposition at lower level to continue sawing. Do not remove the chain saw completely out of the cut. Do not force the saw chain while cutting, let the chain do the work, using the gripping teeth 8 to apply minimal leverage pressure. Never operate the chain saw with arms fully extended. Do not attempt to saw areas which are difficult to reach, or on a ladder. Never saw above shoulder height. Sawing is optimized when the chain speed remains steady during cutting. Beware when reaching the end of the cut. The weight of the chain saw changes unexpectedly as it cuts free from the wood. Danger of injury to the legs and feet. Always remove the chain saw from a wood cut while the saw chain is running. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Cutting Logs (see figures E­H)
When cutting logs, observe the following safety instructions: Support logs so that the face sides at the cut, do not close in against each other, which would result in the chain being jammed. BOSCH UniversalChain 18 Cordless Electric Chainsaw
Bosch Power Tools Position and set short logs safely before sawing. Saw only wood or wooden objects. When sawing, always take care to avoid hitting stones, nails, etc., as these could be thrown up, could cause damage to the chain, or could result in serious injury to the operator or bystanders. Keep a running chain saw clear of wire fencing or the ground. Use of the saw to thin out branches or bushes is not approved. Length cuts must be carried out with particular care, as leverage with the gripping teeth 8 is not possible. Saw at a flat angle to avoid kickback. When working on a slope, operate above or to the side of the trunk or laying tree. Be careful not to trip over tree stumps, branches, roots, etc. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Cutting Wood under Tension (see figure H)
Be extremely careful when sawing wood, branches or trees under tension. Leave saw jobs like these to trained professionals. There is a high risk of accidents. When sawing logs supported on both ends, start the cut from above (Y) about one third of the diameter into the log and then finish the cut at the same spot from below (Z), in order to avoid splitting of the log or jamming of the saw. Avoid contact of the saw chain with the ground. When sawing logs supported on only one end, start the cut from below (Y) about one third of the diameter into the log and then finish the cut at the same spot from above (Z), in order to avoid splitting of the log or jamming of the saw.

Cutting branches (see figure I)
Always wear hard hat to protect head against falling branches. BOSCH UniversalChain 18 Cordless Electric Chainsaw
A cut branch can lead to personal injury by falling on you or springing back from the ground. Cut longer branches in sections.
Reduce the cutting force before the branch is completely cut off. You can get injured, when losing balance and control of the chain saw.
The chain must be running at full speed before it makes contact with the wood. Use the tip protector to support when undercutting. Pruning straight through a tree branch from the top edge down is appropriate for branches up to 5 cm in diameter. Thicker branches should be pruned in three-steps, to prevent damaging the tree. The tip protector is designed to support undercutting branches. Do not force the chain saw while cutting, let the chain do the work. Sawing is optimized when the chain speed remains steady during cutting. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Limbing a Tree (see figure J)
Limbing is removing the branches from a fallen tree. When limbing, leave larger lower limbs to support the log off the ground. Remove the small limbs in one cut as illustrated in the figure. Branches under tension should be cut from the bottom up to avoid binding the chain saw. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Bucking a Log (see figures K­N)
Bucking is cutting a log into lengths. It is important to make sure your footing is firm and your weight is evenly distributed on both feet. When possible, the log should be raised and supported by the use of limbs, logs or chocks. Follow the simple directions for easy cutting. When the log is supported along its entire length, it is cut from the top (overbuck). When the log is supported on one end, cut 1/3 the diameter from the underside (underbuck). Then make the finished cut by overbucking to meet the first cut.

When the log is supported on both ends, cut 1/3 the diameter from the top overbuck. Then make the finished cut by underbucking the lower 2/3 to meet the first cut.
When bucking on a slope, always stand on the uphill side of the log. When “cutting through”, release the cutting pressure near the end of the cut without relaxing your grip on the chain saw handles in order to maintain complete control. Don’t let the chain contact the ground. After completing the cut, wait for the saw chain to stop before you move the chain saw. Always stop the chain saw motor before moving from tree to tree. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Troubleshooting

The following chart lists problem symptoms, possible causes and corrective action, if your power tool does not operate properly. If these do not identify and correct the problem, contact your service agent. BOSCH UniversalChain 18 Cordless Electric Chainsaw
Warning: Switch off and remove the battery prior to any troubleshooting.

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Troubleshooting BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Troubleshooting

Maintenance and Cleaning

Warning: Switch off and remove battery from power tool before adjusting or cleaning. BOSCH UniversalChain 18 Cordless Electric Chainsaw
Note: To ensure long and reliable service, carry out the following maintenance regularly. For safe and proper working, always keep the power tool and its ventilation slots clean. Regulary check the chain saw for obvious defects such as loose, dislodged or damaged saw chain and chain bar, loose fixings and worn or damaged components. Check that covers and guards are undamaged and correctly fitted. Carry out necessary maintenance or repairs before using. Note: Before returning the chain saw, ensure all oil in the oil reservoir has been emptied. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Replacing/Changing the Saw Chain and Chain Bar (see figures B1­B4)
Check the saw chain and chain bar according to section “Tensioning the Saw Chain”. Exchange a worn chain bar. Check the drive sprocket 20. If it is worn out or damaged due to strain, have it exchanged by an authorized Bosch aftersales service. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Sharpening the Saw Chain
Do not sharpen the saw chain yourself, unless you are experienced in doing so. Please obtain the replacement saw chain (F 016 800 489) or have your chain sharpened professionally at your authorized Bosch after-sales service. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Checking the Automatic Oiler
Proper functioning of the automatic saw chain oiler can be checked by running the chain saw and pointing the tip of the chain bar towards a piece of cardboard or paper on the ground. Do not touch the ground with the chain and ensure a safety clearance of 20 cm. If an increasing oil pattern develops, the automatic oiler is operating fine. If there is no oil pattern despite a full oil reservoir, see section “Troubleshooting” or contact your authorized Bosch aftersales service. BOSCH UniversalChain 18 Cordless Electric Chainsaw

After Use/Storage
Remove the oil from the reservoir before storage. Clean the moulded plastic housing of the chain saw using a soft brush and clean cloth. Do not use water, solvents or polishes. Remove all debris, especially from the motor cooling vents. After 1 ­ 3 hours of use, remove the cover 15, the chain bar 11 and the saw chain 12, and clean them using a brush. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Clean the area under the cover 15, the drive sprocket 20 and the chain bar assembly from adherant debris using a brush. Clean the oil outlet 21 with a clean cloth. Be sure to make sure that sawdust and debris are removed and can not block the oil pipes and oiling system. If the chain saw is to be stored for a longer period of time, clean the saw chain 12 and the chain bar 11. Store the chain saw in a secure, dry place, out of the reach of children. Do not place other objects on the power tool. Please take care to place down the chain saw with the oil filler cap 4 facing upward. When storing in the sales packaging, the oil reservoir must be completely emptied. Do not modify this product. Unauthorized modifications may impair the safety of your product and may result in increased noise and vibration. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Accessories (see figure O)

Saw chain
Universal Chain 18
Additional accessories
Saw chain oil, 1 litre

After-sales Service and Application Service

www.bosch-garden.com In all correspondence and spare parts order, please always include the 10-digit article number given on the type plate of the machine.

Great Britain Robert Bosch Ltd. (B.S.C.) P.O. Box 98 Broad water 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: [email protected]
Ireland Origo Ltd. Unit 23 Magna Drive Magna Business Park City West Dublin 24 Tel. Service: (01) 4666700 Fax: (01) 4666888 BOSCH UniversalChain 18 Cordless Electric Chainsaw BOSCH UniversalChain 18 Cordless Electric Chainsaw

Australia, New Zealand and Pacific Islands Robert Bosch Australia Pty. Ltd. Power Tools Locked Bag 66 Clayton South VIC 3169 Customer Contact Center Inside Australia: Phone: (01300) 307044 Fax: (01300) 307045 Inside New Zealand: Phone: (0800) 543353 Fax: (0800) 428570 Outside AU and NZ: Phone: +61 3 95415555 www.bosch-pt.com.au www.bosch-pt.co.nz

Republic of South Africa Customer service Hotline: (011) 6519600

Gauteng ­ BSC Service Centre 35 Roper Street, New Centre Johannesburg Tel.: (011) 4939375 Fax: (011) 4930126 E-Mail: [email protected] KZN ­ BSC Service Centre Unit E, Almar Centre 143 Crompton Street Pinetown Tel.: (031) 7012120 Fax: (031) 7012446 E-Mail: [email protected] Western Cape ­ BSC

Service Centre Democracy Way, Prosperity Park Milnerton Tel.: (021) 5512577 Fax: (021) 5513223 E-Mail: [email protected] Bosch Headquarters Midrand, Gauteng Tel.: (011) 6519600 Fax: (011) 6519880 E-Mail: [email protected]

Transport

The contained lithium-ion batteries are subject to the Dangerous Goods Legislation requirements. The user can transport the batteries by road without further requirements. When being transported by third parties (e.g.: 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. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Dispatch batteries 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 possibly more detailed national regulations.

BOSCH UniversalChain 18 Cordless Electric Chainsaw Disposal

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Disposal iconThe machine, rechargeable batteries, accessories and packaging should be sorted for environmental friendly recycling.
Do not dispose of power tools and batteries/ rechargeable batteries into household waste!

Only for EC countries: According to the European Guideline 2012/19/EU, power tools 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. Batteries no longer suitable for use can be directly returned at: BOSCH UniversalChain 18 Cordless Electric Chainsaw

Great Britain
Robert Bosch Ltd. (B.S.C.) P.O. Box 98 Broad water 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: [email protected]

Battery packs/batteries: Li-ion: Please observe the instructions in section “Transport”, page 26.
Subject to change without notice. BOSCH UniversalChain 18 Cordless Electric Chainsaw

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Product Overview

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig A

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig b 1

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig b 2

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig C D

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig E I

BOSCH UniversalChain 18 Cordless Electric Chainsaw BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig J N

BOSCH UniversalChain 18 Cordless Electric Chainsaw BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Fig O

EU Declaration of Conformity
Cordless chain saw Article number

We declare under our sole responsibility that the stated products comply with all applicable provisions of the directives and regulations listed below and are in conformity with the following standards. BOSCH UniversalChain 18 Cordless Electric Chainsaw

Universal Chain 18 3 600 HB8 0
2014/30/EU
2006/42/EC
2011/65/EU
2000/14/EC
EN 60745-1:2009 + A11:2010
EN 60745-2-13:2009 + A1:2010
EN 55014-1:2006 + A1:2009 + A2:2011
EN 55014-2:1997+ A1:2001 + A2:2008
EN 50581:2012

BOSCH UniversalChain 18 Cordless Electric Chainsaw

BOSCH UniversalChain 18 Cordless Electric Chainsaw Instructions - Signature

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