Kärcher PSW 18-20 Battery User manual

PSW 18-20 Battery
59695620 (03/22)
Deutsch 6
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A

B C
D E
F G
H I

J K
L M
N O
P Q

R S
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14 English
Dokumentationsbevollmächtigter:
S. Reiser
Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Str. 28 - 40
71364 Winnenden (Germany)
Tel.: [phone]
Fax: [phone]
Winnenden, 2018/09/01
Contents
General notes
Read these safety instructions, these original
instructions, the safety instructions provided
with the battery pack and the original instruc-
tions supplied with the battery pack/standard
charger before using the device for the first time. Act in
accordance with them. Keep the booklets for future ref-
erence or for future owners.
In addition to the notes in the operating instructions, you
also need to take into consideration the general safety
regulations and accident prevention guidelines applica-
ble by law.
Safety instructions
Hazard levels
DANGER
●Indication of an imminent threat of danger that will
lead to severe injuries or even death.
몇WARNING
●Indication of a potentially dangerous situation that
may lead to severe injuries or even death.
몇CAUTION
●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
몇WARNING
●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 ref-
erence.
The term "power tool" in the warnings refers to your
mains-operated (corded) power tool or battery-operated
(cordless) power tool.
1 Work area safety
aKeep work area clean and well lit. Cluttered or
dark areas invite accidents.
bDo not operate power tools in explosive at-
mospheres, such as in the presence of flam-
mable liquids, gases or dust. Power tools
create sparks which may ignite the dust or fumes.
cKeep children and bystanders away while op-
erating a power tool. Distractions can cause
you to lose control.
2Electrical safety
aPower tool plugs must match the outlet. Nev-
er 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.
bAvoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of elec-
tric shock if your body is earthed or grounded.
cDo not expose power tools to rain or wet con-
ditions. Water entering a power tool will increase
the risk of electric shock.
dDo 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.
eWhen 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.
fIf operating a power tool in a damp location is
unavoidable, use a residual current device
(RCD) protected supply. Use of an RCD reduc-
es the risk of electric shock.
3Personal safety
aStay 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 med-
ication. A moment of inattention while operating
power tools may result in serious personal injury.
bUse 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 condi-
tions will reduce personal injuries.
cPrevent 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.
dRemove any adjusting key or wrench before
turning the power tool on. A wrench or a key
General notes...................................................... 14
Safety instructions ............................................... 14
Intended use........................................................ 17
Environmental protection..................................... 17
Accessories and spare parts ............................... 17
Scope of delivery ................................................. 17
Symbols on the device ........................................ 17
Protective clothing ............................................... 18
Description of the device ..................................... 18
Initial startup ........................................................ 18
Operation............................................................. 19
Transport ............................................................. 19
Storage ................................................................ 19
Care and service ................................................. 19
Troubleshooting guide ......................................... 20
Warranty .............................................................. 20
Technical data ..................................................... 20
Declaration of Conformity.................................... 21
Chairman of the Board of Management
Director Regulatory Affairs & Certification
H. Jenner S. Reiser

English 15
left attached to a rotating part of the power tool
may result in personal injury.
eDo not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
fDress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewel-
lery or long hair can be caught in moving parts.
gIf 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.
4Power tool use and care
aDo 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.
bDo 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.
cDisconnect the plug from the power source
and/or the battery pack from the power tool
before making any adjustments, changing ac-
cessories, or storing power tools. Such pre-
ventive safety measures reduce the risk of
starting the power tool accidentally.
dStore idle power tools out of the reach of chil-
dren and do not allow persons unfamiliar with
the power tool or these instructions to oper-
ate the power tool. Power tools are dangerous
in the hands of untrained users.
eMaintain 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 acci-
dents are caused by poorly maintained power
tools.
fKeep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
gUse 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 pow-
er tool for operations different from those intend-
ed could result in a hazardous situation.
5Battery tool use and care
aRecharge 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.
bUse power tools only with specifically desig-
nated battery packs. Use of any other battery
packs may create a risk of injury and fire.
cWhen 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.
dUnder abusive conditions, liquid may be
ejected from the battery; avoid contact. If con-
tact accidentally occurs, flush with water. If
liquid contacts eyes, additionally seek medi-
cal help. Liquid ejected from the battery may
cause irritation or burns.
6Service
aHave your power tool serviced by a qualified
repair person using only identical replace-
ment parts. This will ensure that the safety of the
power tool is maintained.
Additional General Safety Instructions
Note ● Regulations may restrict the use of this device
in some regions. Seek advice from your local authori-
ties.
DANGER ● Risk of fatal injury from cuts as a
result of uncontrolled device movements. Keep body
parts away from moving parts. ● Risk of injury from
hurled or falling objects. Never use the device if there
are persons, in particular children or animals, within a
radius of 15 m. ● No changes may be made to the de-
vice.
몇WARNING ● Children and persons unfamiliar
with these instructions are not allowed to operate the
device. The age of the operator may be limited by local
restrictions. ● You need an unobstructed view of the
work area in order to be able to recognise any potential
dangers. Use the device only under good lighting condi-
tions. ● Before operation, make sure the device, all
control elements, and safety devices are working prop-
erly. Check for loose locks, make sure all protective cov-
ers and handles are properly and securely fastened.
Only use the device when it is in a correct condition.
● Replace any worn or damaged parts before operating
the device. ● Never use the device if the trigger on the
handle does not switch on and off correctly. ● Risk of
kickback due to loss of balance. Avoid an abnormal pos-
ture, keep a stable, safe footing and maintain your bal-
ance. ● Serious injuries due to negligence through
familiarity with the device due to frequent use. ● Imme-
diately stop the device and check for damage or identify
the cause of the vibration if the device has been
dropped, hit or vibrates abnormally. Have damage re-
paired by the authorised Customer Service or replace
the device.
몇CAUTION ● Wear full eye protection and hear-
ing protection, strong and sturdy gloves and head pro-
tection when operating the device. Wear a face mask
when the work is dusty. ● Wear long, heavy trousers,
sturdy shoes and well-fitting gloves when working with
the device. Do not work barefoot. Do not wear any jew-
ellery, sandals or short trousers. ● Risk of injury when
loose fitting clothing, hair or jewellery is caught by mov-
ing parts of the device. Keep clothing and jewellery
away from moving parts of the device. Tie long hair
back. ● Hearing protection can impair your ability to
hear warning sounds, so pay attention to hazards in
your vicinity and in the work area. ● The operation of
similar tools in the environment increases the risk of
hearing damage and the likelihood of failing to hear po-
tential hazards, e.g. people entering your work area.
● Slippery handles and gripping surfaces prevent safe
operation and control of the device in unexpected situa-
tions. Keep handles and gripping surfaces dry, clean,
and free from oil and grease. ● Only use accessories
and spare parts which are approved by the manufactur-
er. Only original accessories and original spare parts
ensure that the appliance will run fault-free and safely.

16 English
Safety precautions for cordless saw
몇WARNING ● Do not use the device if there is
a danger of lightning. ● Ensure that all protective devic-
es and handles are correctly fitted, securely fastened
and in good condition. ● Ensure a firm footing, a clean
workplace and plan a retreat path from falling branches
before using the device. ● Beware of exhaust fumes, oil
vapour and sawdust. If necessary, wear a mask or
breathing apparatus. ● Always hold the branch cutter
with both hands. Hold the shaft firmly with one hand.
Hold the rear handle firmly with the other hand, operate
the power trigger lockout button and the trigger. ● Risk
of electric shock if the saw chain comes into contact with
hidden power lines. Hold power tools only by the insu-
lated gripping surfaces, as the contact with live cables
can make the metal parts of the device live. ● Risk of in-
jury. Do not make any modifications to the device. Do
not use the device to drive attachments or devices not
recommended by the manufacturer of the device.
Kickback may occur when the nose or tip of the guide
rail touches an object, or when the wood bends and
jams the saw chain in the cut. Tip contact may cause a
sudden reverse reaction in some cases, kicking the
guide rail up and back towards the operator. Jamming
of the saw chain in the top of the guide rail may push the
rail rapidly back towards the operator. Any of these re-
actions can lead to a loss of control.
몇WARNING ● Serious injuries due to loss of
control through a kickback. Do not rely solely on the
built-in safety devices, but take appropriate measures to
work accident-free and injury-free. ● You must wear the
carrying belt provided when using the device. The car-
rying belt is fitted with a quick-release buckle. The car-
rying belt helps you to control the device when it is
lowered after cutting and to hold the weight of the device
during cutting. ● Serious injuries if the carrying belt
cannot be removed quickly enough in an emergency.
Familiarize yourself with the carrying belt and the quick-
release buckle before using the device. Do not wear
clothing over the shoulder strap or otherwise interfere
with access to the quick-release buckle. ● Before
switching on the device, make sure that the saw chain
does not touch any objects. ● Serious injuries if a
wrongly tensioned saw chain jumps out of the guide rail.
Check the chain tension before each use. Make sure
the chain is oiled, especially for new saw chains.
● Switch the motor off, remove the battery pack and
make sure that all moving parts have stopped moving:
●Before cleaning the device or removing a blockage.
●When leaving the device unattended.
●Before mounting or removing attachments.
●Before checking, cleaning or working on the device.
● Risk of injury due to kickback. Measures to prevent
a kickback:
●Make sure your work area is clear of obstacles.
●Avoid any contact of the guide tip with branches,
twigs or other objects while working with the branch
cutter.
●Hold the device with both hands.
●Position your body and arms so that you can resist
kickback forces.
●Never let go of the branch cutter during operation.
●Avoid unnatural postures. This gives you more con-
trol over the branch cutter and prevents unintention-
al contact with the tip of the bar in unexpected
situations.
●Only use the replacement bars and chains recom-
mended by the manufacturer. Incorrect replacement
bars and chains may cause chain breakage and/or
kickback.
●Sharpening the saw chain is a challenging task. The
manufacturer recommends replacing a worn or dull
chain with a new saw chain.
● Risk of injury. Do not use the device on ladders or un-
stable surfaces. Always stand with both legs on firm
ground to keep your balance when cutting. ● Risk of
electric shock. Do not work with the device within 10 m
of overhead lines. ● Risk of injury if a branch under ten-
sion snaps back when cutting. ● Watch for falling
branches and branches that spring back after falling to
the ground. ● The operator can lose their balance if thin
wood gets caught in the saw and flies in the direction of
the operator. Be careful when sawing small shrubs and
saplings. ● Check the saw teeth if the cutting perfor-
mance diminishes. Keep the cutting tools sharp and
clean. Sharp cutting tools are easier to control and do
not block so easily. If necessary, replace the chain and
the bar. Only use original spare parts from the manufac-
turer. ● Risk of injury due to a jammed cutting device. If
the saw chain or guide rail has become trapped too high
to reach, seek the advice of a professional arborist to
safely remove the cutting device. ● Before each use,
check that the shaft connection of the rod and the cut-
ting tool are securely fastened.
ATTENTION ● Only store the device indoors.
Additional safety instructions for the battery
pack
몇WARNING ● Danger of injury, fire and product
damage due to short-circuit. Corrosive or conductive liq-
uids, such as salt water, certain chemicals, bleach, and
products containing bleach can cause a short-circuit. Do
not immerse the device, the removable battery or the
charger in liquids. Make sure that no liquids penetrate
into the device or the battery pack.
Safe transport and storage
몇WARNING ● Switch the device off, allow it to
cool down and remove the battery pack before storage
or transportation. ● Cover the cutting tool with the bar
scrabbard before storing or transporting the device.
몇CAUTION ● 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 de-
vice in a dry, well ventilated location out of the reach of
children. Keep the device away from corrosive sub-
stances such as garden chemicals. ● Do not store the
device outdoors. ● Make sure the chain is lightly oiled
when storing the device for more than one month. The
manufacturer recommends using a spray for rust pro-
tection and oiling. Ask your Customer Service depart-
ment to recommend a suitable spray.
Safe servicing and care
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. ● You may only
perform the adjustments and repairs described in these

English 17
operating instructions. Contact your authorised Cus-
tomer Service department for other repairs.
몇WARNING ● Risk of injury. The saw chain is
extremely sharp. Wear suitable protective gloves when
performing chain maintenance and when cleaning, se-
curing or removing the bar scrabbard. ● Follow the in-
structions for chain tensioning, chain tension
adjustment and chain lubrication. ● Severe injuries due
to kickback if a damaged chain is not replaced or re-
paired. ● Turn off the motor and remove the battery
pack before cleaning or servicing the device. ● Ensure
that the device is in a safe condition by regularly check-
ing that all bolts, nuts and screws are screwed tight.
● Risk of injury due to long, uninterrupted use of the de-
vice. Take regular breaks while working with the device.
몇CAUTION ● Only use accessories and spare
parts and attachments that are approved by the manu-
facturer. Only original spare parts, original accessories
and original attachments ensure fault-free and safe op-
eration of the device.
ATTENTION ● Clean the product with a soft, dry
cloth each time after use.
Residual risks
몇WARNING
●Certain residual risks remain present, even when the
device is operated in the prescribed manner. The fol-
lowing dangers can be present when using the de-
vice:
●Vibration can cause injuries. Use the correct tools
for the job, use the handles provided and restrict the
working time and hazard exposure time.
●Noise can cause hearing injuries. Wear hearing pro-
tection and limit the duration of exposure.
●Incision injuries on contact with exposed saw teeth
of the saw chain.
●Incision injuries due to unforeseen, abrupt move-
ments or kickback of the g bar scabbard.
●Incision injuries / risk of injection by parts flying away
from the saw chain.
●Injuries caused by hurled objects (wood shavings,
splinters).
●Inhalation of dust and particles.
●Skin contact with the lubricant / oil.
Risk reduction
몇CAUTION
●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 circu-
lation.
●Continuous operation is more harmful than opera-
tion 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 re-
peated occurrences of symptoms such as tingling in
the fingers or cold fingers.
Intended use
DANGER
Improper use
Danger of death from incision injuries
Only use the device for its proper use.
●The cordless saw with extension is only intended for
private use.
●The device is intended for outdoor use only.
●For safety reasons, always hold the device firmly
with both hands.
●The device is intended for pruning and trimming
small branches and twigs high on a tree. The user
stands securely on the ground.
Any other use, e.g. when climbing, for pruning low
branches or for cutting material at ground level is pro-
hibited. The user shall be liable for hazards arising as a
result of improper use.
Environmental protection
The packing materials can be recycled. Please
dispose of packaging in accordance with the en-
vironmental regulations.
Electrical and electronic appliances contain valu-
able, 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 environ-
ment. However, these components are required for the
correct operation of the appliance. Appliances marked
by this symbol are not allowed to be disposed of togeth-
er 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 deal-
er.
Symbols on the device
General warning symbol
Read the operating instructions and all
safety instructions before operating the
device for the first time.
Wear non-slip, sturdy gloves when work-
ing with the device.
Wear non-slip safety shoes when work-
ing with the device.

18 English
Protective clothing
DANGER
Risk of fatal injury from cut injuries. Wear suitable pro-
tective clothing when working with the device. Observe
the local regulations for accident prevention.
Head protection
When working with the device, wear a suitable safety
helmet that complies with EN 397 and is CE marked.
When working with the device, wear hearing protection
that complies with EN 352-1 and is CE marked.
For protection against flying splinters, wear suitable
safety goggles that comply with EN 166 or are CE
marked. Or wear a helmet visor that complies with EN
1731 and is CE marked.
Protective helmets with hearing protection and a safety
visor are available in specialist shops.
Protective gloves
Wear suitable protective gloves with cut protection
equipment that comply with EN 381-7 and are CE
marked when working with the device.
Safety shoes
Wear non-slip safety shoes that meet EN 20345 and are
CE marked when working with the device.
Description of the device
The maximum amount of equipment is described in
these operating instructions. Depending on the model
used, there are differences in the scope of delivery (see
packaging).
See graphics page for illustrations
Illustration A
1Chain
2Guide rail
3End stop
4Guide rail pin
5Bar cover
6Screw for adjusting the chain tension
7Chain oil tank cap
8Upper shaft
9Twist collar
10 Extension insert
11 Eyelet for carrying belt
12 Lower shaft
13 Handle
14 Battery pack trigger
15 Type plate
16 Trigger
17 Trigger lockout button
18 Carrying belt
19 Allen key for adjusting the chain tension
20 Bar scabbard
21 Chain oil
22 *Battery Pack Battery Power 18V
23 *Quick Charger Battery Power 18V
* optional
Rechargeable battery pack
The device can be operated with a 18 V Kärcher Bat-
tery Power battery pack.
Initial startup
Installing shaft
If required, the device can be extended with the includ-
ed extension insert.
1. Connect the lower shaft and the extension insert.
Illustration B
2. Connect the upper shaft and the extension insert.
Inserting the carrying belt
The carrying belt helps to lower the device in a con-
trolled manner after cutting and to catch the weight of
the device during use.
Illustration C
1. Hook the carrying belt hooks into the eyelets on the
handle and shaft. Place the carrying belt over one
shoulder. Make sure that the carrying belt can be re-
leased quickly in the event of danger.
Filling the chain oil tank
1. If necessary, clean the area around the filling hole of
sawdust and dirt.
2. Remove the chain oil tank cap.
Illustration D
3. Fill the chain oil into the tank. Check the filling level
of the chain oil on the sight glass and make sure that
the chain oil tank is filled to the maximum below the
filling hole.
Illustration E
4. Wipe up any spilled chain oil with a cloth.
5. Close the chain oil tank cap.
Always wear suitable eye protection and
hearing protection when working with the
device.
Do not subject the device to rain or moist
conditions.
Electrical hazard. Keep a minimum dis-
tance of 10 m away from overhead lines
when working with the device.
Danger due to flung objects. Keep spec-
tators, especially children and pets, at
least 15 m away from the work area.
Pull: Quick-release catch
Running direction of the chain
10m

English 19
Checking the chain tension
몇CAUTION
Sharp chain
Incision injuries
Wear protective gloves when working on the chain.
1. Remove the bar scabbard.
Illustration F
2. Carefully pull on the chain.
Illustration G
The distance between the guide rail and the chain
must be 3-4 mm.
3. If necessary, adjust the chain tension (see Chapter
Adjusting the chain tension).
Installing the battery pack
1. Push the battery pack into the mounting in the de-
vice until it audibly latches into place.
Illustration H
Operation
Basic operation
1. Examine the tree and branches for damage such as
rot.
In the case of damaged or rotten branches, seek the
advice of a professional arborist.
2. Remove the bar scrabber.
3. Hold the device firmly with both hands.
Switch on the device
1. Press the trigger lockout button.
Illustration I
2. Press the trigger.
The device starts up.
3. Release the trigger.
The device stops.
Working techniques
When pruning, proceed as follows:
Place the bar on the branch to be cut and push the
device forward so that the end stop touches the
branch.
Illustration J
The device stabilizes during pruning and the cuts
are made cleaner.
Where possible, maintain a distance of approx. 15
cm between the tree trunk and the cut.
Cut small branches that are thin and light a single
cut with the bottom edge of the guide rail.
Heavier branches of larger diameter may break or
splinter during pruning. Therefore, cut in several
steps:
a Make a cut in the underside of the branch with the
top edge of the guide rail. This cut should be
about one third of the branch diameter.
Illustration K
b Make a cut in the top of the branch.
c If another cut is necessary, never continue cutting
in an existing cut but rather start a new cut.
The following should be noted when pruning:
Do not raise the bar higher than 60 ° from the hori-
zontal.
Do not exert excessive force on the guide rail.
Do not stand under the branch being sawn off.
Make sure that the falling branch does not endanger
the user or spectators nor damage any objects.
Maintain a safety distance of at least twice the
branch length when pruning. If this is not possible,
have the work done by a professional arborist.
Removing the battery pack
Note
During longer work breaks, remove the battery pack
from the device and secure it against unauthorised use.
1. Press the battery pack unlocking button to unlock
the battery pack.
Illustration L
2. Remove the battery pack from the device.
Finishing operation
1. Remove the battery pack from the device (see
Chapter Removing the battery pack).
2. Clean the device (see Chapter Cleaning the de-
vice).
Transport
몇CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transporta-
tion.
몇CAUTION
Uncontrolled startup
Incision injuries
Remove the battery pack from the device before trans-
port.
Transport the device only with the blade guard fitted.
Secure the device against slipping and tipping over
when transporting in vehicles.
Storage
Clean the device before storing (see Chapter Cleaning
the device).
몇CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
몇CAUTION
Uncontrolled startup
Incision injuries
Remove the battery pack from the device before stor-
age.
Store the device only with the blade guard fitted.
1. Remove the carrying belt.
2. Disassemble the shaft into its individual parts.
3. If the device is to be stored for more than one month,
oil the chain to prevent rust.
4. Store the device in a dry, well ventilated location.
Keep away from corrosive substances such as gar-
den chemicals and defrosting salt. Do not store the
device outdoors.
Care and service
몇CAUTION
Uncontrolled startup
Incision injuries
Remove the battery from the device before all work on
the device.
몇CAUTION
Sharp chain
Incision injuries
Wear protective gloves when working on the chain.

20 English
Cleaning the device
1. Remove the battery pack (see Chapter Removing
the battery pack).
2. Use a brush to clean the chain of cutting residue and
dirt.
Illustration M
3. Clean the housing and handles with a soft, dry cloth.
Maintenance work
Before every use
The following activities must be carried out before every
use:
Check the filling level of the chain oil, top up the
chain oil if necessary (see Chapter Filling the chain
oil tank).
Check the chain tension (see Chapter Checking the
chain tension).
Check the chain for sufficient sharpness, if neces-
sary, invert the guide rail or replace the chain (see
Chapter Replacing the chain).
Check the device for damage.
Check all pins, nuts and screws for tightness.
Adjusting the chain tension
1. Remove the battery pack (see Chapter Removing
the battery pack).
2. Release the guide rail pin.
Illustration N
3. Adjust the chain tension with the screw.
Illustration O
4. Check the chain tension.
Illustration G
The distance between the guide rail and the chain
must be 3 - 4 mm.
5. Tighten the guide rail pin.
Replacing the chain
1. Remove the battery pack (see Chapter Removing
the battery pack).
2. Remove the guide rail nut.
Illustration P
3. Remove the bar cover and guide rail.
Illustration Q
4. Dispose of the old chain professionally.
5. Fit the new chain on the guide rail.
Illustration R
6. Mount the guide rail. Pay attention to the running di-
rection of the chain.
Illustration S
7. Mount the bar cover, loosely fastening the guide rail
nut.
Illustration T
8. Adjust the chain tension (see Chapter Adjusting the
chain tension).
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 ca-
pacity reduces such that the full run time will no longer
be reached when fully charged. This does not indicate a
defect.
Warranty
The warranty conditions issued by our relevant sales
company apply in all countries. We shall remedy possi-
ble malfunctions on your appliance within the warranty
period free of cost, provided that a material or manufac-
turing 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
Fault Cause Rectification
The device does not start
up
Battery pack is empty Charge the battery pack.
Battery pack is defective. Replace the battery pack.
Battery pack is not inserted correctly. Push the battery pack into the mounting
until it latches into place.
The device stops during
operation
Chain blocked by clippings. Remove the clippings.
The battery has overheated Stop working and allow the battery to cool
down to normal battery temperature.
Motor has overheated Stop working and allow the motor to cool
down.
PSW 18-
20
Device performance data
Working voltage of the battery V 18
Idle speed m/s 5,5
Chain oil tank volume ml 50
Cut material diameter (max.) mm 180
Working range (max.) m 3
Determined values in acc. with EN ISO 11680-1
Sound pressure level LpA dB(A) 78,4
Uncertainty KpA dB(A) 3
Sound power level LwA dB(A) 91,6
Uncertainty KWA dB(A) 3

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