KARCHER GSH 18-20 Battery Grass and Shrub Shears Instruction Manual

: June 12, 2024
: Karcher

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GSH 18-20 Battery
Instruction Manual Register your product
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GSH 18-20 Battery Grass and Shrub Shears

KARCHER GSH 18-20 Battery Grass and Shrub Shears -
Fig1 |
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Safety instructions

Read this safety chapter and these original operating instructions before using the device for the first time. Act in accordance with them. Keep the original operating instructions for future reference or for future owners.
Hazard levels
DANGER

Indication of an imminent threat of danger that will lead to severe injuries or even death.

WARNING

Indication of a potentially dangerous situation that may lead to severe injuries or even death.

CAUTION

Indication of a potentially dangerous situation that may lead to minor injuries.

ATTENTION

Indication of a potentially dangerous situation that may lead to damage to property.

General Power Tool Safety Instructions
WARNING

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.

Work area safety
a Keep work area clean and well lit. Cluttered or dark areas invite accidents.
b 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.
c Keep children and bystanders away while op- erating a power tool. Distractions can cause you to lose control.
Electrical safety
a 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 the risk of electric shock.
b 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.
c Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
d 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.
e 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.
f 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
a 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.
b 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.
c 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.
d 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.
e Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
f 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.
g If devices are provided for the connection of dust extraction and collection facilities, en- sure these are connected and properly used. Use of dust collection can reduce dust-related hazards.
Power tool use and care
a 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.
b 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.
c 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. d Store idle power tools out of the reach of chil- dren 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.
e 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.
f Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
g 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.
Battery tool use and care
a 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.
b Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
c When battery pack is not in use, keep it away from other metal objects, like paperclips, coins, keys, nails, screws or other small metal objects that can make a connection from one terminal to another. Shorting the battery termi- nals together may cause burns or a fire.
d 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.
Service
a 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.

Safe operation of battery-powered grass and shrub shears

DANGER

Severe injuries when objects are flung by the cutting blade or when the cutting tool becomes entangled in wires or cords. Inspect the work area thoroughly for objects such as stones, sticks, metal, wires, bones or toys and remove these before using the device.

WARNING

The device is not intended for use by persons with restricted physical, sensory or mental abilities or those lacking in experience and / or lacking in knowledge. Keep children and other persons out of the work area while you are using the device. Never use the device if the on/off switch on the handle does not switch on and off correctly.
Risk of injury because the blades continue rotating after the motor has been switched off.
Risk of serious injuries and equipment damage. Make sure that the cutting tool is properly installed and securely fastened before you start up the device.
Do not use the device if there is a danger of lightning.
Never start up a device that is incom-plete or is equipped with unauthorized modifications.
Never use the device with defective protective devices or with no installed safety devices.
Switch off the device in the case of a malfunction or accident, and remove the battery pack. You may only start up the device again if it has been checked by an authorized customer service centre.

CAUTION

Familiarise yourself with the controls and the correct use of the device.
Risk of injury when loose fitting clothing, hair or jewellery is caught by moving parts of the device. Keep clothing and jewellery away from moving parts of the device. Tie long hair back.
Increased risk of accident in bad weather conditions. Only use the device when safe working is guaranteed.
The noise from the device can impair your ability to hear, so pay attention to possible hazards in your vicinity and in the work area.
Risk of injury. Always wear safety goggles, sturdy shoes and suitable clothing when using the device.

ATTENTION

The device operator is responsible for accidents with other people and their property.

Shrub shears safety warnings

Keep all parts of the body away from the cutter blade. Do not remove cut material or hold material to be cut when blades are moving. Make sure the switch is off when clearing jammed material. A moment of inattention while operating the shrub shear may result in serious personal injury.
Carry the shrub shears by the handle with the cutter blade stopped. When transporting or storing the shrub shear always fit the cutting device cover. Proper handling of the shrub shear will re- duce possible personal injury from the cutter blades.
Hold the power tool by insulated gripping surfaces only, because the cutter blade may contact hidden wiring or its own cord. Cutter blades contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
Keep cable away from cutting area. During operation the cable may be hidden in shrubs and can be accidentally cut by the blade.

Additional safety instructions
WARNING

The device is not intended for use by children, persons with restricted physical, sensory or mental abilities or persons unfamiliar with these instructions. The age of the operator may be limited by local restrictions.
Keep your hands and feet away from the cutting area, especially when switching on the motor.
Replace any worn or damaged parts before operating the device.
Avoid switching the device on unintentionally. Make sure that the on/off switch is in the off position before connecting the battery pack, lifting or carrying the device.
Use the device only in daylight or under good artificial lighting.
Do not run but rather walk when working with the device. Maintain a solid and safe footing and keep your balance, especially when working on gradients.
Check that the moving parts function correctly and are not blocked, and that no parts are broken or damaged. Have a damaged device repaired before using it.
Do not forcefully operate the device.
Switch the motor off, remove the battery pack and make sure that all moving parts have stopped moving:
Before making any adjustments.
Before leaving the device unattended.
Before checking, cleaning or servicing the device.
Before removing a blockage.
Before changing accessories.
After hitting a foreign object. First check the device for damage and repair any damage before restarting the device.
When the device starts to vibrate unusually. First check the device for damage and repair any damage before restarting the device.
Switch off the motor if you stop the cutting process or if you move from one operating location to another.

CAUTION

Risk of injury when loose fitting clothing, hair or jewellery is caught by moving parts of the device. Keep clothing and jewellery away from moving parts of the device. Tie long hair back.
Have repair work carried out by the authorised customer service only.
Wear long, heavy trousers, sturdy shoes and wellfitting gloves when working with the device. Do not work barefoot. Do not wear any jewellery, sandals or short trousers.

Safe servicing and care

WARNING

Switch the motor off, remove the battery pack and make sure that all moving parts have stopped moving:
Before cleaning or servicing the device.
Before changing accessories.
Each time after using the device, remove dirt from the cutting tools using a hard brush and apply a suitable oil for rust protection before fitting the blade guard. The manufacturer recommends using a spray for rust protection and oiling. Ask your Customer Service depart- ment to recommend a suitable spray. You can oil the cutting tools as described, each time before using the device.
Keep the cutting tools sharp and clean. Sharp cutting tools are easier to control and do not block so easily.
Make sure that the ventilation openings are free of deposits.
Risk of injury from sharp cutting tools. Exercise special care when removing and fitting the blade guard, cleaning and oiling the device.

CAUTION

Risk of injury from sharp cutting tools. Wear non-slip, sturdy protective gloves when handling the cutting tool.
Risk of injury from exposed blades. Fit the blade guard when not using the device, also during short work breaks.
Keep the handles dry, clean, and free from oil and lubricants.
Only use accessories and spare parts which are approved by the manufacturer. Only original accessories and original spare parts ensure that the appliance will run fault-free and safely.

ATTENTION

Clean the product with a soft, dry cloth each time after use.
Do not use solvents to clean the plastic parts, as they attack the materials used on the device. Remove impurities such as dust, oil and lu-bricants using a clean cloth.

Note

Service and maintenance work may only be performed by suitably qualified and specially trained personnel. We recommend sending the product to an authorised service centre for repair.

Safe transport and storage
CAUTION

In order to prevent accidents or injuries, you must only transport and store the device with the blade guard installed and with the rechargeable battery removed.
Risk of injury and damage to the device. Secure the device against movement or falling down during transport.

ATTENTION

Remove all foreign bodies from the device before storage or transportation.
Store the device in a dry, well ventilated location out of the reach of children. Keep the device away from corrosive substances such as garden chemicals.
Do not store the device outdoors.

Residual risks
WARNING

Certain residual risks remain present, even when the device is operated in the prescribed manner. The following dangers can be present when using the device:
Injuries through contact with the cutting tools. Keep the cutting tools away from your body and below hip height. Use the blade guard when not cutting.
Vibration can cause injuries. Use the correct tools for the job, use the handles provided and limit the working time and hazard exposure time.
Noise can cause hearing injuries. Wear hearing protection and limit the duration of exposure.

Risk reduction
CAUTION

Using the device for longer periods can cause poor circulation in the hands due to vibrations. A general period of use cannot be set, because this depends on several influencing factors:
Personal tendency to suffer from poor circulation (frequently cold fingers, tingling sensation in the fin- gers)
Low ambient temperature. Wear warm gloves to protect your hands.
Holding the device too tightly hindering blood circulation.
Continuous operation is more harmful than operation interrupted by work breaks.

You should see a doctor if using the device regularly and for lengthy periods of time, and in the event of repeated occurrences of symptoms such as tingling in the fingers or cold fingers.

Intended use

The battery-powered grass and shrub shears are only intended for private use.
The battery-powered grass and shrub shears are designed for working outdoors in a well-ventilated area.
In applications with the shearing attachment, the device is used for easy grass trimming.
In applications with the shrub blade, the device is used for easy bush, hedge and shrub trimming. Any other use is prohibited.

Environmental protection

** The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.
Electrical and electronic appliances contain valuable, recyclable materials and often components such as batteries, rechargeable batteries or oil, which – if handled or disposed of incorrectly – can pose a potential threat to human health and the environment. However, these components are required for the correct operation of the appliance. Appliances marked by this symbol are not allowed to be disposed of together with the household rubbish.
Notes on the content materials (REACH)**
Current information on content materials can be found at: www.kaercher.com/REACH

Accessories and spare parts

Only use original accessories and original spare parts.
They ensure that the appliance will run fault-free and safely.
Information on accessories and spare parts can be found at www.kaercher.com.

Scope of delivery

The scope of delivery for the appliance is shown on the packaging. Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.

Safety devices

CAUTION
Missing or modified safety devices
Safety devices are provided for your own protection.
Never modify or bypass safety devices.
Blade guard
Illustration B
The blade guard is an important component of the safe- ty devices for the grass shears and shrub blade. A damaged blade guard must not be used and must be replaced immediately.
Unlocking button
The unlocking button blocks the power switch, and thus prevents an uncontrolled start-up of the device.
Illustration C

Unlocking button for ON/OFF switch
ON/OFF switch

To start up the device, first press the unlocking button and then the ON/OFF switch.

Symbols on the device

****	General warning symbol
Read the operating instructions and all safety instructions before

operating the device for the first time.
| Wear suitable eye protection when working with the device.
| Wear suitable hearing protection when working with the device.
| Risk of injury. Do not touch the sharp cutting tools.
****| Wear non-slip, sturdy gloves when working with the device.
| Danger due to flung objects. Keep spectators, especially children and pets, at least 15 m away from the work area.
| Do not subject the device to rain or moist conditions.
| Danger; the cutting tool runs on when the motor is switched off.
| The guaranteed sound pressure level specified on the label is 89 dB.

Device description

The maximum amount of equipment is described in these operating instructions. Depending on the model used, there are differences in the scope of delivery (seepackaging).
See graphics page for illustrations
Illustration A

Shrub blade blade guard
Shrub blade cutting blade
Grass shears blade guard
Grass shears cutting blade
Unlocking button for ON/OFF switch
Handle
Battery pack unlocking button
ON/OFF switch
Cutting blade mounting button
Cutting blade mount
*Charger
*Rechargeable battery pack

* optional

Rechargeable battery pack

The device can be operated with a 18V Kärcher Battery Power battery pack.

Installation

Installing the cutting blade
CAUTION
Risk of injury from sharp blades
Wear safety goggles and protective gloves when working on the device.
Illustration D

Install the cutting blade.
a Undo the cutting blade mounting button.
b Take off the cutting blade mounting button.
c Put the cutting blade of the grass or shrub shears onto the cutting blade mount.
d Put on the cutting blade mounting button.
e Tighten the cutting blade mounting button.

Installing the blade guard
CAUTION
Risk of injury from sharp blades
Wear safety goggles and protective gloves when working on the device.
Illustration B

Slide the blade guard over the blade.

Installing the battery pack

Push the battery pack into the mounting on the device.
Illustration E

Operation

Trimming the grass with the grass shears
CAUTION
Risk of injury from sharp blades
Wear safety goggles and protective gloves when work- ing on the device.
CAUTION
Obstacles in the mowing area
Risk of injury and damage
Before starting mowing, check the work area for objects that may be flung away, e.g. wires, stones, cords or glass.

Remove the blade guard.
Switch the device on.
Illustration F
a Press the unlocking button.
b Press the ON/OFF switch.
The device starts up.
Guide the cutting blade parallel to the ground.
Illustration G

Trimming hedges / shrubs with the shrub shears
CAUTION
Risk of injury from sharp blades
Wear safety goggles and protective gloves when working on the device.
CAUTION
Obstacles in the mowing area
Risk of injury and damage
Before starting mowing, check the work area for objects that may be flung away, e.g. wires, stones, cords or glass.

Switch the device on.
Illustration F
a Press the unlocking button.
b Press the ON/OFF switch.
The device starts up.
Guide the cutting blade parallel to the hedge.
Illustration H

Changing the cutting blade

Remove the battery pack, see Chapter Removing the battery pack.
Slide the blade guard over the cutting blade.
Illustration B
Change the cutting blade.
Illustration I
a Release the mounting button from the cutting blade.
b Remove the mounting button.
c Remove the cutting blade of the grass or shrub shears.
d Fit the cutting blade of the grass or shrub shears onto the mount.
e Place the mounting button onto the cutting blade.
f Refit the mounting button on the cutting blade.

Removing the battery pack
Note
During longer work breaks, remove the battery pack from the device and secure it against unauthorised use.

Pull the unlocking button towards the battery pack.
Press the unlocking button inward to unlock the battery pack.
Remove the battery pack from device.
Illustration J

Finishing operation

Remove the battery pack from the device (see Chapter Removing the battery pack).
Clean the device (see Chapter Cleaning the device).

Transport

CAUTION
Risk of injury and damage
Be aware of the weight of the device during transportation.

Remove the battery pack, see Chapter Removing the battery pack.
Slide the blade guard over the cutting blade.
Illustration B
Removing the cutting blade.
Illustration K
a Release the mounting button from the cutting blade.
b Remove the mounting button from the cutting blade.
c Removing the cutting blade.
d Place the mounting button onto the cutting blade.
e Refit the mounting button on the cutting blade.
Secure the device against slipping and tipping over when transporting in vehicles.

Storage

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.

To clean the device, see Chapter Cleaning the device.
Install the blade guard.
Illustration B
Store the device in a dry, well ventilated location.
Keep away from corrosive substances such as garden chemicals and defrosting salt. Do not store the device outdoors.

Care and service

Cleaning the device
WARNING
Risk of injuries due to uncontrolled start-up of the cutting blades Switch off the device.
Remove the battery pack from the device.
Attach the blade guard.
CAUTION
Risk of injury from sharp blades Wear safety goggles and protective gloves when working on the device.
ATTENTION
Incorrect cleaning
Damage to the device
Clean the device with a damp cloth.
Do not use solvent-based cleaning agents.
Do not immerse the device in water.
Do not clean the device with a hose or high-pressure
water jet.
Illustration L

Remove residual mown material from the cutting blade using a hand brush.
Clean the unit parts with a damp cloth if required.
Regularly remove dirt and foreign objects from the battery mount and electrical contacts.
Install the blade guard.

Oiling the blade sections
In order to maintain the blade quality, the blade sections should be oiled after each use.
Note
Using thin machine oil or spray oil will yield very good results.
Illustration M

Place the device on a flat surface.
Apply oil to the top of the blade sections.

Troubleshooting guide

Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service. As the battery pack ages, even if it is looked after, its capacity reduces such that the full run time will no longer be reached when fully charged. This does not indicate a defect.

Fault	Cause	Rectification
The device does not start up	Battery pack is not inserted correctly.	• Push

the battery pack into the mounting until it latches into place.
Battery pack is empty| • Charge the battery pack.
Battery pack is defective.| • Replace the battery pack.
The device stops during operation| Motor has overheated| • Stop working and allow the motor to cool down.
The battery has overheated| • Stop working and allow the battery to cool down to normal battery temperature.

Warranty

The warranty conditions issued by our relevant sales company apply in all countries. We shall remedy possible malfunctions on your appliance within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site. (See overleaf for the address)

Technical data

GSH 18-20

Device performance data

Nominal voltage| V 18
Idle speed| /min 1050 10 %
Cutting width of grass blade| mm 120
Cutting length of shrub blade| mm 200
Tooth pitch of shrub blade| mm 17,24
Grass shears: Determined values EN 50636-2-94| in acc. with
Hand-arm vibration value| m/s2 0,2
Uncertainty K| m/s2 1,5
Sound pressure level LpA| dB(A) 78,4
Uncertainty KpA| dB(A) 2,5
Sound power level LWA + K uncer- taintywA| dB(A) 89
Shrub shears: Determined values in acc. with EN 60745-1 and EN 60745-2-15
Hand-arm vibration value| m/s2 0,1
Uncertainty K| m/s2 1,5
Sound pressure level LpA| dB(A) 75,1
Uncertainty KpA| dB(A) 2,5
Sound power level LWA + K uncer- taintywA| dB(A) 89
Dimensions and weights
Weight with grass shears (without kg battery pack)| 1,2
Weight with shrub blade (without kg battery pack)| 1,4
Length x width x height (with grass mm shear)| 380 x 174 x 120
Length x width x height (with shrub mm blade)| 582 x 174 x

Subject to technical modifications.
Vibration value
WARNING
The specified vibration value was measured using a standard test procedure and may be used to compare devices.
The specified vibration value may be used in a provisional assessment of the load.
Depending on the way the device is used, the vibration emission can deviate from the specified overall value during the current use of the device.
Determine self-protection measures based on an assessment of the load under the actual operating conditions. Take all parts of the operation cycle into account, for example, the operating time as well as times when the device is switched off and is out of operation.

EU Declaration of Conformity

We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is invalidated by any changes made to the machine that are not approved by us.
Product: Battery-operated grass and shrub shears
Type: GSH 18-20 Battery
Currently applicable EU Directives
2006/42/EC (+2009/127/EC)
2014/30/EU
2000/14/EC (+2005/88/EC)
2011/65/EU
Harmonised standards used
EN 55014-1: 2017
EN 55014-2: 2015
EN 60745-1:2009+A11:2010
EN 60745-2-15:2009+A1:2010
EN 60335-1:2012+A11:2014+A13:2017
EN50636-2-94:2014
EN 50581: 2012
Conformity evaluation procedure used
2000/14/EC and amended by 2005/88/EC: Appendix V
(with shrub blade only)
Sound power level dB(A)
Measured:86,1
Guaranteed:89
The undersigned act on behalf and under the power of attorney of the company management.

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Documentation supervisor:
S. Reiser
Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Str. 28 – 40
71364 Winnenden (Germany)
Ph.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2018/09/01

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