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USER MANUAL HT 550 AL-KO
AL-KO KOBER GROUP Kötz, Germany
This documentation or excerpts therefrom may not be reproduced or disclosed to third parties without the express permission of
the AL-KO KOBER GROUP.
Tuch. Kein Wasser und/oder aggressive Reni-
Wolfgang Hergeth, Managing Director13
470518_fHT 440, HT 550
EN About this handbook
Read through these operating instructions before
starting up the machine. This is a prerequisite for
safe and trouble-free working
You should save these instructions, and also
pass them on to any subsequent users
Observe the safety and warning signs on the
Pictogram description
Strict following of these warning alerts can
prevent injury to persons and/or materials.
Special information for better understanding
This hedge trimmer is intended exclusively for pri-
vate use, for trimming hedges, bushes and shrubs.
Use for any other purpose will be considered impro-
per use. In this case, the manufacturer will not be
liable for any damages.
The safety devices should never be removed or
bypassed, for example by connecting directly to
the power switches on the hand grips
Do not use this device in rain, and/or on wet
The equipment is intended for domestic use only
Safety and protection devices
Caution - Risk of injury!
Safety/protection devices should not be
The hole (5mm) on the rear operating lever is inten-
ded for attaching a padlock* (6). A padlock will pre-
vent the equipment from being started accidentally.
Risk of injury if the handguard is not present!
Never operate the equipment without the hand-
Two-handed operation
The hedge trimmer can be operated only using both
hands at the same time.
About this handbook 13
Safety and protection devices 13
Maintenance and care 19
Faults and remedies 19
EC declaration of conformity 20
Warranty 20Translation of the original operating instructions
2 Handguard 7 Strain relief clamp
3 Front hand grip with power switch 8 Handguard mounting screws
4 Spirit level 9 Cutting blade safety cover
5 Rear hand grip with power switch 10 Instructions for use
* 1.5 m safety cable for HT 550 Safety Cut only
Meanings of symbols on the equipment
Wear safety goggles.
Caution! Be particularly careful when handling.
Read the operating instructions before using.
If the cable has been cut or is damaged, disconnect the plug from the mains supply immediately.
Do not expose the machine to rain.15
Cutting thickness 16 mm 18mm
Sound pressure level L PA
86dB(A)(K=1,5dB(A)) 86dB(A)(K=1,5dB(A))
* The declared vibration total value has been measured in accordance with a standard test method and
may be used for comparing one tool with another.
General Power Tool Safety Warnings
Read all safety warnings and all instruc-
Failure to follow the warnings and instructions
mayresultinelectricshock,reand/orserious
injury. Save all warnings and instructions for
Use the equipment only if it is in correct
operating condition! Before using, check the
machine, cable and plug for damage; any
damaged parts must be repaired or replaced at
a specialised repair centre.
Caution - Danger of electrocution!
If the cable has been cut or is damaged,
disconnect the plug from the mains supply
Caution - Risk of injury!
Safety/protection devices should not be
The vibration emission during actual use of the
power tool can differ from the declared total
value depending on the ways in which the tool
Only hold the electrical equipment on the insu-
lated grip areas as the cutting blade may come
into contact with concealed power lines or with
the mains cable itself.
The cutting blade coming into contact with a live
cable may make parts of the equipment live and
result in an electric shock.Translation of the original operating instructions
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
ammableliquids,gasesordust.
Power tools create sparks which may ignite the
Keep children and bystanders away while
operating a power tool.
Distractions can cause you to loose control.
Power tool plugs must match the outlet. Never
modify the plug in any way. Do not use any ad-
apter plugs with earthed (grounded) power tools.
Unmodiedplugsandmatchingoutletswillredu-
ce risk of electric shock.
Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
There is an increased risk of electric shock if
your body is earthed or grounded.
Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk
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
Damaged or entangled cords increase the risk of
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
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 un-
dertheinuenceofdrugs,alcoholormedication.
A moment of inattention while operating pow-
er tools may result in serious personal injury.
Use personal protective equipment. Always wear
Protective equipment such as dust mask, non-
skid safety shoes, hard hat, or hearing protec-
tion used for appropriate conditions will reduce
Prevent unintentional starting. Ensure the switch
is in the off-position before connecting to po-
wer source, picking up or carrying the tool.
Carrying power tools with your nger on the
switch or energising power tools that have the
Remove any adjusting key or wrench before tur-
ning 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 ba-
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.
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
Power tool use and care
Do not force the power tool. Use the correct po-
wer 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
Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
Disconnect the tool from the power sour-
ce before making any adjustments, chan-
ging accessories, or storing power tools.
Such preventive safety measures reduce the risk
of starting the power tool accidentally.
Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in
the hands of untrained users.
Maintain power tools. 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
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
Use of the power tool for operations different
from those intended could result in a hazardous
Haveyourpowertoolservicedbyaqualiedre-
pair person using only identical replacement parts.
This will ensure that the safety of the power tool
is maintained.Translation of the original operating instructions
Caution - Risk of injury!
Use the equipment only after it has been com-
Follow the safety instructions when working.
1. Connect the power cable to the mains supply.
2. Graspthefronthandgriprst,thentherear
3. Press the power switches on both hand grips
(4) - the machine will start.
4. Keep both switches pressed while working.
5. If one of the switches is released, the hedge
Instructions when working
Alwayscutbothsidesofthehedgerst,thenthetop.
This will prevent cut leaves and twigs from falling
into an area not yet trimmed
You can use the built-in spirit level to cut along a
Hedges should always be cut in a trapezoid sha-
pe. This prevents the lower twigs from becoming
Repairs should be carried out only by a specia-
lised repairer, or at one of our AL-KO service cen-
Safety Instructions for operation
Always operate the machine with both hands.
Observe local regulations regarding minimum
age requirements for operating the machine.
Children and persons who are not familiar with
these operating instructions are not permitted to
This tool is not intended to be used by people
(including children) who have restricted physi-
cal, sensory or mental capabilities; neither is it in-
tended to be used by people lacking experience
and/or knowledge unless they are supervised by
someone who is responsible for safety, or receive
instructions from this supervisory person in how
to operate the tool. Children should be supervised
in order to make sure that they do not play with
Keep body and clothing away from cutting parts.
Do not remove cut material while the motor is run-
When leaving unattended / transporting the ma-
Switch the machine off.
Pull out the mains plug.
Push on the safety cover.
Never hold the machine by the blade.
Only carry the machine by the hand grip.
The domestic mains voltage must match the
mainsvoltagespecicationsinthetechnicaldata.
Always use the special cable strain relief for the
Always keep the cable out of the cutting area and
routed away from the machine.
1. Fasten the handguard to the housing using the
screws supplied (1).
2. Feed the extension cable through the strain re-
EN Maintenance and care
Caution - Danger of electrocution!
Always disconnect the mains plug when carry-
ing out maintenance or repair work!
Caution - Risk of injury!
Always wear working gloves when carrying out
maintenance or repair work.
1. After each use, clean the cutting blades and the
housing with a brush or cloth. Do not use wa-
ter and/or aggressive cleaning agents - risk of
2. Lightly oil the cutting bar with a suitable protec-
3. Checkthatallscrewsarermlyseated.
4. Regularly check the cutting blades for damage.
If the cutting blades show damage or excessi-
ve wear, please contact the nearest AL-KO ser-
The protective cover can be wall-mounted
and used as a bracket for holding the hedge
Always store the machine with the protective co-
Store the equipment in an area which is kept dry,
and which cannot be accessed by children or un-
Do not dispose of old equipment,
batteries or accumulators as household
The trimmer, packaging, and accessories were made
with recyclable materials, and should be disposed of
Machine does not work Power supply absent Check the domestic fuse / extension cable
Power cable faulty Contact an AL-KO service centre
Machine works intermit-
Extension cable damaged Check the extension cable
On/Off switch faulty Contact an AL-KO service centre
Internal fault Contact an AL-KO service centre
Motor runs but blades do
Internal fault Contact an AL-KO service centre
The blades become hot Insufcientlubrication Lighly oil the blades
Blades are blunt Contact an AL-KO service centre
Notching on the blades Contact an AL-KO service centre
For faults not listed in this table, or which you cannot resolve by yourself, please contact our customer
service.Translation of the original operating instructions
EC declaration of conformity
We hereby declare that this product, in the form in which it is marketed, meets the requirements of the harmoni-
sedEUguidelines,EUsafetystandards,andtheproduct-specicstandards.
measured / guaranteed
HT 440 99 / 100 dB(A)
HT55097/98dB(A)
Conformity evaluation
2000/14/EG, Appendix V Kötz, 15.07.2016
Wolfgang Hergeth, Managing Director
If any material or manufacturing defects are found during the statutory customer protection period, we will
either repair or replace the equipment, whichever we consider the more appropriate. This statutory period
may vary according to the legislation in force in the country where the equipment was purchased.
Our warranty is valid only if: The warranty is no longer valid if:
The equipment has been used properly
The operating instructions have been followed
Genuine replacement parts have been used
The equipment has been tampered with
Technicalmodicationshavebeenmade
The trimmer was not used for its intended purpose
(for example, used for commercial or communal
The following are not covered by warranty:
Paint damage due to normal wear
WearpartsidentiedbyaborderXXX XXX
(X) on the spare parts list
Combustion motors – these are covered by a separate warranty from the manufacturer concerned
To make a claim under warranty, please take this statement of warranty and proof of purchase to the nearest
authorised customer service centre. This warranty does not affect the usual statutory rights of the customer
relative to the seller.
Wolfgang Hergeth, Managing
Wolfgang Hergeth, Managing Director
Wolfgang Hergeth, Managing Director
Wolfgang Hergeth, Managing Director
Wolfgang Hergeth, Managing
Wolfgang Hergeth, Managing
Wolfgang Hergeth, Managing Director101
Wolfgang Hergeth, Managing Director109
Wolfgang Hergeth, Managing
Wolfgang Hergeth, Managing Director133
Wolfgang Hergeth, Managing Director141
Wolfgang Hergeth, Managing Director149
Wolfgang Hergeth, Managing Director157
Wolfgang Hergeth, Managing Director
Wolfgang Hergeth, Managing Director
Wolfgang Hergeth, Managing Director
