YT-85010 - Grass trimmer Yato - Free user manual and instructions
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USER MANUAL YT-85010 Yato
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Mechanical device with articulated arms and connector, no visible text or symbolsCE
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Labeled diagram of a mechanical device with numbered parts for identification
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Close-up of a hand using a tool to adjust a mechanical component, no visible text or symbols
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Close-up of mechanical clamping device components, showing metal bracket and black clamp assembly (no text or symbols visible)
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Close-up of a metallic cylindrical mechanical component with a base mount and attached bracket (no visible text or symbols)
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Line drawing of two identical sleeveless garments with black straps, no text or symbols present
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Two identical line drawings of a full-body outfit with X-bracing and belt, no text or symbols present.
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Close-up of a mechanical clamp or clip attached to a rod, with bidirectional arrows indicating movement (no text or symbols)
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Two-panel image showing a mechanical component before and after assembly, with no visible text or symbols.- cutting head
- cutting element guard
- spool with a line
- cutting disc
- belt
- handles
- fixing flange
- drive housing
- electric power switch lock
- power switch
- battery socket
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Read the operating instruction
Wear protection of: head, eyes and ears
Nasadit ochranu hlavy, zraku a sluchu
Wear protective shoes
Zgomotul - puterea L _u
Use only the accessories intended by the manufacturer: spool with a plastic line or metal blade
Maintain a distance of at least 15 m between place of operation and bystanders
Beware of blade kickback
Beware of the discarded items
Do not expose to precipitation
This symbol indicates that waste electrical and electronic equipment (including batteries and storage cells) cannot be disposed of with other types of waste. Waste equipment should be collected and handed over separately to a collection point for recycling and recovery, in order to reduce the amount of waste and the use of natural resources. Uncontrolled release of hazardous components contained in electrical and electronic equipment may pose a risk to human health and have adverse effects for the environment. The household plays an important role in contributing to reuse and recovery, including recycling of waste equipment. For more information about the appropriate recycling methods, contact your local authority or retailer.
WYPOSAŻENIE PRODUKTU
PRODUCT CHARACTERISTICS
The cordless grass trimmer is intended for performing works in a household. It is designed for trimming grass in places inaccessible to conventional grass mowers, e.g., near building walls, fences, around the trees and shrubs, path edges, and grass edges, etc. The grass is cut by means of the rotating plastic line. Use metal blade for cutting shrubs, lignified plant shoots, etc. Proper, reliable, and safe operation of the device depends on appropriate use; that is why you should:
Read and keep the entire manual before the first use of the device.
The supplier shall not be held liable for any damage or injury resulting from improper use of the device and failure to observe the safety regulations and recommendations specified in this manual. Use of the device for purposes other than those for which it was intended shall cause the loss of the user's rights to a warranty and statutory warranty.
PRODUCT EQUIPMENT
The grass trimmer is supplied complete but requires assembly before first use. The grass trimmer includes: cutting element guard, cutting head with a line, cutting disc, and auxiliary band. Power supply battery and battery charger are not supplied.
TECHNICAL DATA
| Parameter Unit Value | ||
| Catalogue No. YT-85010 | ||
| Rated voltage [V DC] 36 | ||
| Rated speed [min] | ^-1 5800 | |
| Line cutting width [mm] 340 | ||
| Line diameter [mm] 1.6 | ||
| Line length on the spool | [m] | 3 |
| Disc cutting width | [mm] 255 | |
| Disc thickness | [mm] 1.6 | |
| Disc mounting diameter | [mm] | 25.4 |
| Protection rating | IPX0 | |
| Weight | [kg] | 3.6 |
| Noise level (disc / line) | ||
| - L_OA (sound pressure) | [dB(A)] | 79.1 ± 3.0 / 83.0 ± 3.0 |
| - L_WA (sound power) | [dB(A)] | 88.4 ± 2.31 / 92.5 ± 1.92 |
| Vibrations (right handle/left handle) | [m/s2] | 1.35 ± 1.5 / 1.11 ± 1.5 |
| Battery type | Li-Ion |
SAFETY INSTRUCTIONS
IMPORTANT. Read carefully before use. Keep for future reference.
PREPARATION
THE DEVICE MAY CAUSE SERIOUS INJURIES. Carefully read the instructions manual. Read and understand the correct holding method, operation, maintenance, starting, and stopping of the device. Familiarise with the proper use of all controls.
Do not allow children to use the device. Children should not play with the device. Unattended children should not be allowed to perform the cleaning and maintenance of the device.
Caution! National law may limit the use of the device.
Do not expose the device to precipitation.
Keep the power cord away from the cutting element. When working, the power cord must be hidden in the grass; therefore, its accidental damage or cutting is possible. Watch out for live
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wires when trimming grass.
The device is adapted for operation with both hands. Hold the device by the handles. The handles must always be pointed upwards.
Use only the accessories intended by the manufacturer: spool with a plastic line or metal blade. Do not use other equipment than that intended by the manufacturer, such as discs with a cutting chain. Do not replace the line with metal wire or rope. The use of other equipment than that described may pose a serious threat to the operator and bystanders' safety. Before installing the cutting element and guard, make sure they are not damaged, deformed, and do not have cracks. Ensure that there are no traces of rust on the blade. Check also whether there is at least 1 meter of the line on the spool.
When working, there is a risk of ejecting objects in the direction of the operator and bystanders. The operator is responsible for accidents or hazards to other people or the environment. Do not operate the device if there are bystanders, especially children in the vicinity. Before commencing work, designate a safety zone with a radius of at least 15 meters from the workplace. Always use eye and face protection — these will protect eyes, face, and respiratory tract against particles, dust, and objects ejected during work. Always wear suitable protective clothing adhering to the body. Wear trousers only with long legs. Do not wear loose clothing or jewellery, which may be caught by the device's moving parts. Use protective gloves and hearing protectors. Wear protective footwear with non-slip sole. Do not work barefoot or wearing sandals. Always wear a protective helmet for work.
Regularly inspect the device according to the information contained in the further part of the manual. This will allow for more efficient and safe work.
In case the blade hits any foreign object or the device starts to emit high-volume sounds, or vibrate abnormally, stop the motor and wait until the device elements stop. Disconnect the batteries and take the following steps:
- check the damage,
- check whether there are loose elements and tighten them,
- repair or replace all damaged parts with the parts compliant with the specification.
Use hearing protectors during work. Exposure to excessive noise may lead to permanent hearing damage.
Wear safety glasses. The waste generated during work can create a risk of eye damage.
Examine the instructions on stopping the device in case of emergency.
Before use, check whether the cutting element, screws, guard, and other components are not worn or damaged. Replace worn parts before starting work. Check also whether the screw connections are not loose. Tighten the loose screws.
Do not tilt the device during work; always keep it balanced. Always put your feet firmly on the slope and walk, never run. When trimming a slope, always move across it, never along.
Always connect the batteries to the device after ensuring that the power switch is in the off position.
Check the condition of the device each time before you turn on the device and after dropping or hitting it. If any damages are observed, e.g., cracked housing, it is forbidden to use the device until the damage has been remedied.
If a malfunction or accident occurs during operation, first, turn off the device, disconnect the
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batteries, and then administer aid to injured persons. Rectify the cause of the malfunction or accident. Check the condition of the device for damage before resuming operation.
Always cut off the power supply by disconnecting the batteries: when the user leaves the device; before removing a jam; before inspection, cleaning, or works on the device; after the device hit a foreign object to check it for damage; if the device starts to vibrate abnormally to check the device immediately.
Disconnecting the device from the power supply consists of turning off the device with the power switch and disconnecting the power source. In the case of mains-powered devices, it is done by disconnecting the power cord plug from the mains socket. However, in the case of battery-powered devices, it is done by disconnecting the battery.
If any excessive vibrations of the device occur after starting or during operation, this means that it is not working correctly. In such a case, immediately turn off the device with the power switch, disconnect the batteries, and perform a check. Check the correctness of the cutting element installation and the device assembly. After removing the installation irregularities, the device must be assembled, connected to the power supply, and restarted. If abnormal vibration persists, immediately turn off the device with the power switch, disconnect the batteries and hand the device over to an authorised service centre.
Although precautions have been taken during the device's engineering and design and considering that the guidelines in this manual have been followed, there is still a residual risk in terms of exposure to vibration and noise. Therefore, use personal protective equipment, do not work too long, and take regular breaks.
Never touch the dangerous moving parts before disconnecting the device from the power supply and until all dangerous moving parts stop.
The cutting element rotates for some time after the motor is stopped.
Make sure that the batteries have been disconnected from the device before carrying out maintenance.
Keep the device out of reach of unauthorised persons, especially children. Make sure that the device is out of the reach of unauthorised persons, especially children also during operation.
GENERAL WARNINGS FOR THE SAFETY OF MACHINES
Warning! Read all safety warnings, illustrations and specifications provided with this machine. Failure to do so may result in electric shock, fire or serious injury.
Keep all warnings and instructions for future reference.
The term "machine" used in warnings applies to all machines driven by power both wired and wireless.
Workplace safety
Keep the workplace well-lit and clean. Disorder and poor lighting can be causes of accidents.
Do not work with machines in an environment with an increased risk of explosion, containing flammable liquids, gases or vapors. Power machines generate sparks that can ignite dust or fumes.
Children and third persons should not be allowed to enter the workplace. Loss of concentration can result in loss of control.
Electrical safety
The plug of the electric cable must match the power socket. You must not modify the plug in any way. Do not use any plug adapters with earthed machines. An unmodified plug that fits the outlet reduces the risk of electric shock.
Avoid contact with earthed surfaces such as pipes, radiators and coolers. Grounding the body increases the risk of electric shock.
Do not expose machines to contact with atmospheric precipitation or moisture. Water and moisture that gets inside the machine increases the risk of electric shock.
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Do not overload the power cable. Do not use the power cord to carry, pull or unplug the power plug from the power outlet. Avoid contact of the power cable with heat, oils, sharp edges and moving parts. Damage or entanglement of the power cord increases the risk of electric shock.
In the case of working outside closed rooms, use extension cords intended for work outside closed rooms. The use of an extension cord adapted for outdoor use reduces the risk of electric shock.
When using a machine in a humid environment is unavoidable as a protection against supply voltage use a residual current device (RCD). The use of RCD reduces the risk of electric shock.
Personal safety
Stay alert, pay attention to what you do and keep common sense while working with the machine. Do not use a machine when you are tired or under the influence of alcohol or medication. Even a moment of inattention while working can lead to serious personal injury.
Use personal protective equipment. Always wear eye protection. The use of personal protective equipment such as dust masks, anti-slip safety shoes, helmets and hearing protection reduce the risk of serious personal injury.
Prevent accidental operation. Make sure that the electric switch is in the “off” position before connecting to the power supply and / or battery, lifting or moving the machine. Moving the machine with the finger on the switch or powering the machine, when the switch is in the “on” position can lead to serious injuries.
Before turning on the machine remove any keys and other tools that were used to adjust it. The key left on the rotating parts of the machine can lead to serious injuries.
Do not reach and do not lean too far. Keep the right attitude and balance all the time. This will allow easier control over the machine in case of unexpected work situations.
Dress accordingly. Do not wear loose clothing or jewelry. Keep your hair and clothing away from moving parts of the machine. Loose clothing, jewelry or long hair can be caught by moving parts.
If the devices are fitted for the connection of dust extraction or dust collection, make sure that they are connected and used properly. The use of dust extraction reduces the risk of dust hazards.
Do not let the experience acquired from frequent use of the machine resulted in carelessness and ignoring safety rules.
Carefree action can cause serious injuries in a fraction of a second.
Use and care of the machine
Do not overload the machine. Use the machine appropriate for the selected application. The right machine will provide a better and safer job if used according to the designed load.
Do not use the machine, if the electric switch does not allow switching on and off. Machine, which cannot be controlled by means of a power switch is dangerous and must be returned for repair.
Disconnect the plug from the power socket and / or remove the battery if it is detachable from the machine before adjusting, changing accessories or storing the machine. Such preventive measures will allow you to avoid accidentally turning on the power machine.
Keep the tool out of the reach of children, do not let people who do not know how to operate the machine or these instructions use a machine. Machines are dangerous in the hands of untrained users.
Maintain machines and accessories. Check the machine for mismatches or jams of moving parts, damage to parts and any other conditions that may affect the operation of the power machine. Damage must be repaired before using the machine. Many accidents are caused by incorrectly maintained machines.
Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp edges are less prone to jamming and are easier to control when working.
Use power machines, accessories and inserted tools etc. in accordance with these instructions, taking into account the type and conditions of work. The use of tools for work other than designed is likely to result in a dangerous situation.
Handles and gripping surfaces must be dry, clean and free from oil and grease. Slippery handles and gripping surfaces do not allow for safe operation and control of the machine in dangerous situations.
Repairs
Repair the machine only in authorized facilities using only original spare parts. This ensures proper operation safety of the power tool.
PRODUCT OPERATION
Preparing the grass trimmer for operation
Caution! Cut off the grass trimmer power supply by disconnecting its batteries before performing any installation and adjustment works.
Visually inspect the device. If any damages are observed, do not operate the grass trimmer before removing them.
Before first use, install a suitable for a given work cutting element: head with a cutting line or blade, cutting element guard, handles, and a band — harness.
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Use the head with cutting line only to mow the grass. The blade is intended for cutting shrubs, lignified plant shoots, etc.
To install the cutting element guard, screw it using screws to the spindle guard (II). The supplied guard is suitable for working both with the line and blade. The guard has a small blade for automatic shortening of the line. If the blade has protection, remove it before commencing work with the line.
Install the grass trimmer handles. To do this, remove the upper part of the handles' clamp by unscrewing all screws. Then, in the lower part of the clamp, place the handle connector and reinstall the clamp's upper part. Secure both parts of the clamp using screws (III). Connect both parts of the drive shaft cover. To do this, loosen the knob of the clamp connecting the drive shaft covers, then press and hold the latch lever. Insert the lower cover into the clamp and make sure that the latch hook fits into the hole in the cover (IV). Secure the connection by tightening the clamp knob so that both halves of the drive shaft cover are fixed relative to each other.
Depending on the equipment supplied, install the belt (V) or harness (VI). Select the length of the belts so that they do not press onto the operator's body, but at the same time do not move during operation. The grass trimmer can also be suspended on a harness or belt other than that supplied with the device, provided the device can be hung on the belt or harness without any clamping modification.
Suspend the grass trimmer passing the belt or harness catch through the clamp eye. Ensure that the safety spring is back in its original position. This will prevent the device from detaching from the harness or belt.
Then select the handle angle and position. To do this, loosen the fixing knob and position the handle so as to ensure full freedom of movement during work, and both handles are positioned not to cause excessive strain. Hands should be bent in elbows. The cutting element should move parallel to the ground.
You can change the clamp position if necessary. To do this, loosen the screw (VII), move the clamp, and then tighten the screw to lock the clamp preventing its movement. Select the clamp position so that it is just behind the centre of gravity of the suspended grass trimmer; this will cause the cutting element to be inclined towards the ground by itself.
Disconnect the grass trimmer from the harness or belt. Remove the belt or harness.
Depending on the cutting element chosen, install the spool with the cutting line or metal blade.
Caution! Due to the risk of injury, wear protective gloves while installing the blade. Fix the blade with an applied guard.
When installing the spool with the cutting line, install the upper fixing flange, and then blocking the rotation of the spindle, screw on the spool with the cutting line (VIII).
In case of the blade installation, put the upper fixing flange on the spindle. Place the cutting blade on the flange so that the hole in the blade fits the protruding part of the fixing flange (IX).
Place the lower fixing flange. Blocking the spindle rotation, tighten the fixing flanges and the disc in between firmly and securely (X).
Connecting to the power supply
Two batteries power the device. The device will not start up if one of the batteries is not installed or is discharged. The device's batteries are connected in a series, which means that the device is supplied with the sum of their rated voltages. It is recommended that both batteries have the same capacity and are equally charged. The batteries used to power the device should also be equally used. It is not recommended to connect an exhausted battery with a new one, even if both are equally charged and have the same capacity. Failure to comply with the above recommendations will result in a shorter operating time, and faster wear of the batteries used to power the device.
Only the following 18 V Li-Ion YATO batteries can be used to power the device: YT-82842, YT-82843 and YT-82844, which can only be charged with YATO YT-82848 or YT-82849 chargers. It is forbidden to use other batteries with a different rated voltage and not matching the device battery socket. It is forbidden to modify the socket or battery to make them match.
Slide the charged batteries into the guides of the battery socket so that the battery latch holds it in place (XI). Check whether any battery does not slide out of the device socket by itself.
Starting the grass trimmer (XII)
Connect both batteries to the grass trimmer. Install the harness or belt and attach the grass trimmer. Grasp the grass trimmer handles with two hands. Make sure that the cutting element does not come into contact with any object or ground. The right handle is equipped with the power switch and a safety lock to prevent starting the grass trimmer by accidentally pressing the power switch. Grasp the handle in such a way that the hand presses and holds the lock in this position, and then press and hold the power switch. The cutting element will start rotating.
The grass trimmer stops when the pressure on the power switch is released. After releasing the pressure on the power switch, the cutting element will keep rotating for some time. The grass trimmer can be detached from the harness and put aside only after the cutting element has completely stopped
Preparing the workplace
Before commencing work, prepare the workplace. Designate a safety zone with a radius of at least 15 m from the workplace, which will be inaccessible to unauthorised persons. Ensure that there are no obstacles around the workplace that could cause the operator or grass trimmer collision during work.
Working with the grass trimmer
Only start working when the cutting element reaches full speed.
When working, hold the grass trimmer so that the cutting element always moves parallel to the ground.
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Set the maximum cutting line length to obtain maximum mowing performance. To do this, turn on the grass trimmer and allow the motor to reach full speed, then gently hit the ground with the spool with the line. This will allow the line to extend, and the blade placed in the line guard will cut it to a suitable length.
Caution! It is forbidden to rest the spool on the ground during work. This will result in consuming the entire line from the spool. If, for any reason, the line cannot extend automatically, stop the grass trimmer motor, disconnect the batteries, and check what caused the jam.
Extend the line whenever it can be heard that the motor reaches higher speed speeds than during normal operation.
It is recommended to move the grass trimmer from right to left during work. Avoid mowing by moving the grass trimmer from left to right. This will allow the operator to avoid ejected mowed grass residues during mowing.
Avoid mowing shrubs and bushes. Working with the grass trimmer near trees may damage the bark. Hitting the stones, bricks, brickworks, or other similar surfaces with the line may lead to the line's very fast wear.
When using the blade, avoid trimming with the upper right quarter of the blade (XIII). This will prevent the grass trimmer from kickback towards the operator if the blade is blocked during work.
The harness enables emergency detachment of the grass trimmer. To do this, pull a red tape near the clamping. The grass trimmer will be detached with the harness catch. Before starting work, detach the catch from the grass trimmer clamp and attach it to the harness (XIV). If the grass trimmer is detached from the harness in an emergency, the device may hit the ground. After each emergency detachment of the grass trimmer from the harness, perform an inspection for damage and rectify any damages before resuming the operation.
Working tips
Maintain balance and proper posture during work. Exercise particular caution when working on a slippery, inclined, or uneven surface.
Continuously monitor the cutting element during work. Do not mow in places that are out of sight.
Before starting work, inspect the workplace thoroughly, remove all loose branches and residues from the previous mowing.
Take regular breaks when working. During operation, the device emits noise and vibration, which impact the device's operator. Taking regular breaks and wearing personal protective equipment such as gloves, hearing protectors and eye protection allow reducing the impact of the device on the operator's well-being.
Start work when healthy and in good shape. In case of nausea, headache, sight problems (e.g., reduced visual range), hearing problems, or dizziness, immediately stop working with the device.
Mow high grass gradually from above; this will reduce the risk of the grass mowed being wound on the spool with the line.
Try to mow the grass only with the line end; this will reduce the risk of the grass mowed being wound on the spool with the line. If, during operation, any part of the grass trimmer or guard is damaged or deformed, replace or repair it before resuming work.
DEVICE MAINTENANCE AND STORAGE
Warning! Before starting any activities described below, disconnect the grass trimmer from the power supply. In the case of mains-powered devices, disconnect them from the socket, and for battery-powered devices — disconnect their batteries.
Replacing the cutting line (XV)
Unscrew the spool housing from the grass trimmer spindle. Press both spindle housing lock buttons simultaneously and remove the spool from the housing. Remove the residues of the old line from the spool. Clean the spool, spool guard, spring, and fixing screw from grass residues, soil, and other contaminants.
Prepare a section of the line with the diameter and length shown in the table with technical data. At the middle of the length, pass the line through the gap in the baffle between two parts of the spool. Wind the line on both parts of the spool in an anti-clockwise direction. Leave about 15 cm of the line outside the gaps, which should be passed through the holes in the housing. Close the spool in the housing.
Install the spool with the line according to the procedure described in: "Preparing the grass trimmer for operation".
After each use, inspect the condition of the device with particular attention to the flow capacity of ventilation openings.
Check the placement of all device's components. Tighten all loose screw connections, if any. Check the condition of the cutting element. Clean the cutting element guard and the spool from grass residues. If the cutting element or spool guards are damaged, replace them before performing further work. It is forbidden to use the grass trimmer with damaged guards of the cutting element or spool.
Clean the device's housing with a soft, dry cloth. Clean the housing from grass residues, oil, grease, and other contaminants. Store the disconnected device in a dry and closed room.
Store the device in shaded and dry places with appropriate ventilation preventing steam condensation. The area should not be accessible to unauthorised persons, especially children. During storage, the blades should always be protected with a guard.
Spare parts
The user is not permitted to replace any other parts than these described in the manual. For a detailed list of spare parts for the appliance go to the “Download” section in the Product tab on the TOYA SA website: www.toya.pl.
PRODUKTBESCHREIBUNG
CARACTÉRISTIQUES DU PRODUIT
DECLARATION OF CONFORMITY
0825/YT-85010/EC/2025
We declare and guarantee with full responsibility that the following products:
Cordless grass trimmer; 36 V d.c.; 5800 min ^-1 ; 340/255 mm; item no. YT-85010
meet requirements of the following European Standards / Technical Specifications:
EN 62841-1:2015 + A11:2022
EN ISO 11806-1:2022
EN 60335-1:2011 + A11:2014 + A13:2017 + A1:2019 + A14:2019 + A2:2019 + A15:2021
EN 50636-2-91:2014
EN IEC 55014-1:2021
EN IEC 55014-2:2021
and fulfill requirements of the following European Directives:
2006/42/EC Machinery and safety elements
2014/30/EU Electromagnetic compatibility (EMC) Directive
2011/65/EU Restriction of the Use of Certain Hazardous Substances
Serial number: concern all serials numbers of item(s) mentioned in this declaration
The person authorized to compile the technical file:
Agnieszka Rędziak
(Place and date of issue)
V-CE PREZES ZARZADU
JAN SZMIDT
(Name and signature of authorized person)
TOYA S.A.
DECLARATION OF CONFORMITY
0825/YT-85010/EC/2025
We declare and guarantee with full responsibility that the following products:
Cordless grass trimmer; 36 V d.c.; 5800 min ^-1 ; 340/255 mm; item no. YT-85010
fulfil requirements of the following European Directive: 2000/14/WE
Conformity assessment procedure:
Manufacturer quality-control system, examination of the manufacturer's technical file and periodical inspection by notified body
Notified body:
TUV SUD Industrie Service GmbH; nr. notificare 0036
Westendstraße 199, 80686 München, Germany
Measured sound power level on an equipment representative for this type: 92,5 dB(A)
Guaranteed sound power level for this equipment: 94 dB(A)
conformity and references of the other Community Directives applied:
2006/42/EC Machinery and safety elements
2014/30/EU Electromagnetic compatibility (EMC) Directive
2011/65/EU Restriction of the Use of Certain Hazardous Substances
Wrocław, 2025.08.14
(Place and date of issue)
V-CE PREZES ZARZADU
JAN SZMID
(Name and signature of authorized person)
TOYA S.A.
