YT-09632 - Grinder Yato - Free user manual and instructions
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USER MANUAL YT-09632 Yato
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Black and silver YATO-U model of a precision tool with handle and nozzle (no visible text or symbols)CE
INSTRUKCJA ORYGINALNA
PL EN DE RU UA LT LV CZ SK HU RO ES FR IT NL GR
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Labeled diagram of a mechanical tool with numbered parts including a drill, connector, and terminal parts
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Close-up of a mechanical tool with a wrench and a metallic handle, no visible text or symbols
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Technical diagram of a mechanical or fluid system with numbered components, likely a pump or valve assembly.
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Close-up of a hand holding a mechanical tool, possibly a cutting or fastening tool, with no visible text or symbols.-
air inlet
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air inlet connector
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trigger
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pressure control
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chuck
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wrenches for chuck
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air outlet
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tool
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hose socket
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hose
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hose connector
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greaser
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reducer
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fi lter
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compressor
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Read the operating instruction
Maximum air pressure
Max. Betriebsdruck
Wear hearing protectors
Gehörschutz tragen
Air connection diameter
Pneumatic grinder is a tool supplied with compressed air at proper pressure. Using cutting or grinding discs it is possible to cut and grind various materials. The tool is adapted to work indoors and should not be exposed to humidity and atmospheric precipitations. The tool is not designed for continuous operation. The recommended operating mode is short-time duty in a period of 5 minutes, than it is required to wait 30 minutes in order to cool down the tool. Correct, reliable and safe operation of the tool depends on proper operation, therefore:
Before starting the work with this tool, please read this manual and keep it properly.
The supplier does not assume any liability for any damages resulting from misuse of the tool, failure to follow safety regulations and recommendations specified in this manual. Misuse of the product will also result in loss of guarantee rights of the user and also due to a breach of an agreement.
EQUIPMENT
The grinder is fitted with a coupling that allows connecting it to pneumatic system. Accessories also include spanners that allow affixing additional accessories in tool chuck.
TECHNICAL DATA
| Parameter Measuring unit Value | ||
| Catalogue number YT-09632 | ||
| Weight [kg] 0.45 | ||
| Air connector diameter (PT) [mm / " ] 6.3 / 1/4 | ||
| Air hose diameter (internal) [mm / " ] 10 / 3/8 | ||
| Rotation [min] | ^-1 25 000 | |
| Tool chuck diameter [mm] | 6 | |
| Maximum working pressure | [MPa] | 0.63 |
| Required air flow (at 6.2 bar) | [l/min] | 113 |
| Acoustic pressure (ISP 15744) | [dB(A)] | 88,0 ± 3,0 |
| Acoustic power (ISP 15744) [dB(A)] | 99,0 ± 3,0 | |
| Oscillations(ISO 28927-12) | [m/s ^2 ] | 2,9 ± 1,5 |
GENERAL SAFETY CONDITIONS
WARNING! When working with pneumatic tool it is always recommended to follow basic rules of safety at work, including those mentioned below, in order to limit the risk of fire, electric shock and avoid injuries.
Before starting the work with this tool, please read this manual and keep it properly.
NOTE! Read all instructions below. Failure to observe them may lead to electric shock, fire or body injuries. The term “pneumatic tool” used in instructions refers to all tools supplied with a jet of compressed air at right pressure.
ADHERE TO INSTRUCTIONS BELOW
General safety rules
Prior to installation, work, repair, maintenance and replacement of accessories or in the event of work close to pneumatic tool, due to many threats, please read and understand these safety instructions. Failure to perform the above duties may result in severe body injuries. Installation, adjustment and assembly of pneumatic tools may be carried out only by qualified and trained personnel. Do not modify a pneumatic tool. Modification may lower the efficiency and level of safety and increase the risk of tool operator. Do not throw away the safety instruction, it should be transferred to a tool operator. Do not operate pneumatic tool if it is damaged. A tool should undergo periodic inspection for visibility of data required by ISO 11148
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standard. An employer/user should get in touch with the manufacturer in order to replace the name plate each time it is necessary.
Threats associated with parts ejected
A damage to processed object, accessories or even a tool inserted may result in ejection of part at high speed. Always use an impact resistant eye protector. Class of protection to be chosen depending on work performed. Make sure, that the object processed is safety attached. Check regularly whether the tool rotational speed is not exceeding the value on a name plate. Inspection should be carried out without an inserted tool mounted and in accordance with manufacturer's recommendations. Make sure that sparks and chips generated during the work do not pose a threat. Disconnect the tool from power source before the replacement of tool inserted or maintenance. Always take into account the risk towards third parties.
Threats associated with entanglement
The threat associated with entanglement may result in choking, scalping and/or cutting when loose clothes, jewellery, hair or gloves are not kept away from the tool and accessories.
The threat associated with operation
To prevent cutting hands or other parts of a body, avoid any contact with rotating spindle and tool inserted. Tool operating may expose the operator's hands to threat such as: crushing, hitting, cutting off, rubbing or heat. Wear proper gloves to protect your hands. An operator and maintenance staff should be physically capable to deal with number, weight and power of the tool. Keep the tool the correct way. Be ready to resist normal or unexpected movements and always keep at your disposal both of your hands. Keep balance and position of foot that guarantee your safety. Use protective goggles, it is recommended to wear well fitting gloves and protective clothes. Do not use rotary file at speed exceeding the rated speed. In the event of working with the tool over your head, use protective helmet. Be careful, since the inserted tool is still rotating after the main tool has slowed down. Depending on the material being processed one should take into account threats associated with an explosion or fire.
Threats associated with repeated movements
When using a pneumatic tool for a work consisting in repeated movements, the operator is exposed to experiencing a discomfort of palms, arms, neck or other body parts. In case of using a pneumatic tool, the operator should adopt comfortable position ensuring proper foot posture and avoid strange posture or postures not guaranteeing stability. An operator should change his posture during prolonged work, this will help avoiding discomfort and fatigue. If an operator is experiencing symptoms such as: long-term or repeated discomfort, pain, pulsating pain, tingling, numbness, burning or stiffness, he should not ignore them, should tell about that his employer and consult with a physician.
Threats associated with accessories
Disconnect the tool from power source before the replacement of tool inserted or accessory.
Use accessories and consumables only in sizes and of types recommended by the manufacturer. Do not use accessories in other sizes and types. Avoid direct contact with a tool inserted during and after completion of work, it may be hot or sharp.
Check whether the maximum operating speed of a tool inserted is higher than grinder's or polisher's rated speed. Check whether the maximum operating speed of a tool inserted is higher than rated speed of the tool.. Never install a grinding wheel, cutting disk or cutter on a grinder. Grinding wheel that is damaged may cause very serious injuries or death. Do not use cracked or broken wheels, or wheels that have been dropped. Use only permissible tools inserted with right spindle's diameter. Pay attention to the fact, that the rotational speed of assembly point must be lowered due to the increase of length of a shaft between end of sleeve and assembly point. Make sure, that the minimum length of spindle clamped in tool chuck is at least 10 mm (also take into account recommendations of the manufacturer of inserted tools). Avoid errors when adjusting the diameter of spindle of inserted tool and a clamp of pneumatic tool.
Threats associated with work place
Slipping, stumbling and falls are main causes of injuries. Avoid slippery surfaces caused by using the tool, as well as risk of stumbling caused by hoses with compressed air. Take care in an unknown environment. There may exist hidden threats, such as electricity or other utilities. Pneumatic tools are not designed for use in areas exposed to explosion and are not isolated from contact with electric power. Make sure, that there are no electric conductors, gas pipes etc. that may pose a threat in case of any damage caused by the tool.
Threats associated with vapours and dusts
Dust and vapours generated when using pneumatic tool may cause bad health condition (for example a cancer, birth defects, asthma and/or skin inflammation), indispensable are: risk assessment and implementation of proper control measures in relation to these threats. Risk assessment should include effect of dust generated by tool and possibility of stirring the existing dust. Air outflow should be directed in such a way as to minimize
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stirring of dust in dusty environment. In environment of dust or vapours, the priority is to control them at the source of emission. All integrated functionalities and accessories for collecting, extracting or minimizing dust or smoke should be properly utilized and maintained pursuant to manufacturer's recommendations. Use respiratory tract protectors, in accordance with employer's instructions and in compliance with hygiene and safety requirements. Operation and maintenance of pneumatic tool should be carried out in accordance with instructions contained in user manual, this will allow minimizing the emission of vapours and dust. Select, maintain and replace tools inserted in accordance with instructions contained in user manual, to prevent increase in quantity of vapours and dust. Processing of some materials may cause generating vapours and dusts that will pose a threat of explosion.
Threat of noise
Exposure, without protections, to high level of noise may cause permanent and irreversible loss of hearing and other problems, such as noise in ears (sounding, buzzing, whistling or humming in ears). Risk assessment is indispensable, as well as implementation of appropriate control measures in relation to these threats. Right controls in order to minimize the risk may include activities such as: muffling materials that prevent "sounding" of object being processed. Use ear protectors, in accordance with employer's instructions and in compliance with hygiene and safety requirements. Operation and maintenance of pneumatic tool should be carried out in accordance with instructions contained in user manual, this will avoid unnecessary increase in noise level. If a pneumatic tool is fitted with a muffler, always make sure that it is properly installed when operating the tool. Select, maintain and replace worn-out inserted tools used in accordance with instructions of user manual. This will allow avoiding unnecessary noise increase.
Threats of oscillations
Exposure to oscillations may cause long-term damage of nerves and blood vessels in hands and arms. Keep your hands away from screwdriver's sockets. Dress warm clothes when working at low temperatures and keep your hands warm and dry. In case of numbness, pain or whitening of skin of fingers and hand, stop using the pneumatic tool, than inform your employer and consult with physician. Operation and maintenance of pneumatic tool in accordance with instructions contained in user manual, will allow avoiding unnecessary increase in oscillation level. Do not use worn-out and badly matching adapters, as they may cause significant increase in oscillation level. Select, maintain and replace worn-out inserted tools used in accordance with instructions contained in user manual. This will allow avoiding unnecessary increase in oscillation level. Wherever possible, covering assembly should be applied. If possible, the weight of tool should be supported on the rack, tensioner or equivalent. Grab the tool lightly but securely, taking into account the required counter forces, since the threat posed by oscillations is usually higher, when the gripping force is higher. Improperly installed or damaged tool inserted many cause increase in oscillation level.
Additional safety instructions regarding the pneumatic tools
Compressed air may cause serious injuries:
- always cut off air supply, empty the hose from air pressure and disconnect the tool from air supply, when: it is not used, before the replacement of accessories or during repairs;
- never direct the air towards yourself or other persons.
Hitting by hose may cause serious injuries. Always carry out inspection with regard to damaged or loose hoses and connectors. Cold air should be directed away from hands.
Each time when the universal screwed connectors are used (claw connections), use protective spindles and protective connectors against possibility of damaging the connections between hoses and between the hose and the tool. Do not exceed the maximum pressure specified on the tool. Never move the toll by keeping the hose.
OPERATING CONDITIONS
Make sure that the source of compressed air allows generating proper operating pressure and provides the required air flow. In the case of too high pressure of supply air use pressure regulator with safety valve. Pneumatic tool should be supplied through filter and lubricator system. This will ensure cleanliness and air humidification at the same time. Condition of filter and lubricator should be checked before each use, and possibly filter should be cleaned or oil in lubricator should be refilled. This will ensure proper operation of tool and extends its service life.
In case of using additional tool chucks or supporting racks, make sure that the tool was properly and securely attached..
Adopt proper posture that allows counter-reacting against normal or unexpected tool movements caused by the torque.
Be careful at working environment, a grinder may easily cut.
Do not use grinding wheels and tools designed for grinding lateral surfaces, for cutting.
Do not use cutting wheels for milling.
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Self-locking grinding discs should be placed concentrically on grinder's pad.
After grinder's switch off do not put aside the tool and wait till the rotating tool stops completely.
Prior to installation of additional accessories make sure that the maximum rotational speed of accessories is higher than rotational speed of the grinder. It is forbidden to use accessories with chucks of other dimensions that specified in user manual. Inserted tool must be tightly and securely attached to tool chuck. Do not use sleeves or downsizing rings to match spindle diameters of the tool and grinding wheel.
Grinding element should be kept and used in accordance with manufacturer's instructions. Do not use damaged accessories. Accessories that have any defects must be immediately replaced with new and serviceable ones. Check the condition of spindle and tool chucks with regard to wear and damage.
Do not operate the grinder within explosion hazard zone. Sparks produced during the work may cause a fire.
After installation of grinding wheel start the tool for approx. 30 seconds in safe position. Stop the tool immediately if you observe big oscillations or other failures of the grinder.
Any irregularities should be removed before next start of the grinder.
Make sure, that the grinder's rotational speed is not higher than the one specified on name plate.
When processing some materials, poisonous or flammable vapours or dusts may be generated. Work in well ventilated rooms and use personal safety equipment.
When selecting protective measures take into account the type of material processed.
Make sure that sparks and waste generated during the work do not pose a threat.
Use personal safety equipment such as gloves, apron, helmet.
In case of dropping the tool with grinding wheel, check the condition of grinding wheel before re-starting.
USING TOOL
Make sure before each use that none element of pneumatic system is damaged. In case any damages are found, immediately replace with new defect-free system components.
Before each use of pneumatic system, moisture condensed inside the tool, compressor and cables should be dried out.
Connecting the tool to pneumatic system
Drawing shows the recommended method of connecting the tool to pneumatic system. Method presented will ensure the most effective use of tool and also will prolong its service life.
Insert few drops of oil of SAE 10 viscosity, to air inlet.
Screw in to the thread of air inlet the proper tip that allows connecting air supply hose, tightly and securely. (II)
Attach proper tip on the tool driver. When working with pneumatic tools use only accessories adjusted to work with impact tools.
Set proper direction of rotation. F letter indicates rotation in clockwise direction, R letter - rotation opposite to clockwise direction.
Wherever possible, adjust the pressure (torque).
Connect the tool to pneumatic system using a hose with internal diameter of 10 mm / 3/8". Make sure the strength of hose is at least 1.38MPa. (III)
Start the tool for few seconds making sure that no suspicious sounds or oscillations may be found.
Assembly and replacement of accessories (IV)
Make sure that the maximum rotational speed of accessories is higher than rotational speed of the grinder. Follow recommendations of manufacturers of grinding wheels with regard to rotational speed and length of mandrel to be found on the spindle.
Grab the spindle and unscrew the locking nut till it is possible to attach the accessory.
Attach the accessory so that there is at least 10 mm of mandrel left on the spindle.
Using wrenches, tight the locking nut tightly and securely on the spindle.
Working with grinder
Select the right tool for particular type of work. Before the work let the grinding wheel reach the maximum rotational speed. Only rotating grinding wheel should be applied on the material.
Put only such pressure to the tool, which is required for processing of material. Excessive pressure may damage grinding wheel and increase the risk of injuries.
Sparks may be generated during the work, and small fragments of material that is being processed may torn off. Take care that sparks and torn off fragments are not posing any threat at work place.
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MAINTENANCE
Never use gasoline, solvent or any other flammable liquid for cleaning the tool. Vapours may ignite causing an explosion and serious injuries.
Solvents used for cleaning the tool chuck and body may cause softening of sealing. Thoroughly dry the tool before the work.
In case any irregularities in operation of tool are found, disconnect the tool immediately from the pneumatic system.
All components of pneumatic system must be protected against contaminants. Contaminants that penetrate into pneumatic system may damage the tool and other components of pneumatic system.
Tool maintenance before each use
Disconnect the tool from pneumatic system.
Before each use, insert small quantity of preserving liquid (e.g. WD-40) through the air slot.
Connect the tool to pneumatic system and start it for approx. 30 seconds. This will allow distributing the preserving fluid inside the tool and clean it.
Again disconnect the tool from pneumatic system.
Insert small quantity of SAE 10 oil into the inside of tool, through the air slot and slots designed for this purpose. It is recommended to use SAE 10 oil designed for maintenance of pneumatic tools. Connect the tool and start it for a short period of time.
Note! WD-40 may not be used as the regular lubricating oil.
Wipe the excess of oil that got out through outlet slots. Oil left may damage the sealing of the tool.
Other maintenance actions
Check before each use, if any traces of damage may be found on the tool. Drivers, tool chucks and spindles must be kept clean.
Every 6 months or after 100 hours of service deliver the tool to repair workshop for inspection by qualified staff. If the tool was used without recommended air supply system, frequency of tool inspection should be increased.
Removal of failures
Immediately stop to use the tool after detection of any failures. Operation of inoperable tool may cause injuries. All repairs or replacements of tool components must be performed by qualified staff in an authorised repair shop.
| Failure Possible solution | |
| Toll's rotational speed is too low or it does not start | Insert small quantity of WD-40 though air inlet slot. Start the tool for few seconds. Blades could have stuck to rotor. Start the tool for approx. 30 seconds. Lubricate the tool with small quantity of oil. Note! Excess of oil may cause lowering of tool's power. In this case clean the drive. |
| Tolls starts and then slows down. | Compressor does not provide proper air inflow. Toll is started using the air accumulated in compressor's tank. Along with the process of emptying the tank, the compressor is not able to supplement the air. Connect the tool to more efficient compressor. |
| Insuffi cient power | Make sure that hose's internal diameter is at least equal to diameter specified in table in point 3. Check the settings of pressure, whether it is set to maximum value. Make sure, that the tool is properly cleaned and lubricated. If no effects are observed, have the tool repaired in repair shop. |
Spare parts
To obtain information on spare parts for pneumatic tools please contact the manufacturer or his representative.
After the end of work, housing, ventilation slots, switches, additional handle and cover should be cleaned, e.g. with an air jet (with a pressure of no more than 0.3 MPa), brush or dry cloth without the use of chemicals or cleaning fluids. Tools and tool chucks to be cleaned with dry and clean cloth.
Used tools are recycled materials- it is forbidden to throw them to communal waste containers since they contain substances that are dangerous to human health and environment! You are kindly requested to help in economical management of natural resources and protection of natural environment by delivering the used equipment to point of storage of used equipment. To limit quantity of waste it is necessary to re-use it, recycle or recover in other form.
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MERKMALE DES WERKZEUGES
DECLARATION OF CONFORMITY | DECLARATIE DE CONFORMITATE
0425/YT-09632/EC/2025
We declare and guarantee with full responsibility that the following products:
meet requirements of the following European Standards / Technical Specifications: EN ISO 11148-9:2011
and fulfill requirements of the following European Directives:
Machinery and safety elements
Serial number: concern all serials numbers of item(s) mentioned in this declaration
The person authorized to compile the technical file:
