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• Due to continuous product development/improvement, the specifications and configurations in this document are subject to change without prior notice. Manufactured by. 9-4, Nakaikegami 2-chome, Ohta-ku, Tokyo, 146-8555, Japan NITTO KOHKI CO., LTD. Tel : +81-3-3755-1111 Fax : +81-3-3753-8791 TQ15263-0 07/2017...
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Instructions Thank you very much for your purchase of this NITTO KOHKI product. Before using your tool, please read this manual carefully so that you may use it properly to get the most out of it. Please keep the manual handy - so you can use it whenever necessary.
Contents Precautions on Use (Make sure to follow the 6 How to Use ............16 instructions given)..........2 Grinding work ............16 General Power Tool Safety Warnings ....2 7 Maintenance and Inspection......17 General Pneumatic Tool Safety Warnings ....5 Storing the tool ............17 Safety Warnings for PNEUMATIC GRINDER ..5 Storing the Grinding Wheel .........17 Product Specific Safety Rules......10...
Precautions on Use Precautions on Use (Make sure to follow the instructions given) Before using your tool, to avoid personal injury always take the basic precautions explained in later sections. General Power Tool Safety Warnings Personal safety WARNING Dress properly. ...
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Work area safety WARNING Do not use the tool at home. This is a professional tool (industrial or work tool for business). Do not bring the tool home and use it there. Keep the work area clean. ...
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Precautions on Use Handling tools WARNING Storing the tool When the tool is not used, store the tool in a dry location. Also, store the tool out of the reach of children. For some tools, the storage temperature and humidity are specified. Store the tool in an appropriate location. ...
General Pneumatic Tool Safety Warnings WARNING Use the tool with proper air pressure. If the air pressure is high, the rotation speed and reciprocation frequency become faster, causing damage such as damage or accelerated wear. Also, unexpected accidents could occur. ...
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Precautions on Use Projectile Hazards WARNING Be aware that failure of the workpiece or accessories, or even of the inserted tool itself can generate high- velocity projectiles. Always wear impact-resistant eye protection while operating this tool. The grade of protection required should ...
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Repetitive Motion Hazards WARNING When using this tool to perform work-related activities, the operator may experience discomfort in the hands, arms, shoulders, neck or other parts of the body. While using this tool, the operator should work in a comfortable posture while maintaining secure footing and ...
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Precautions on Use Dust and Fume Hazards WARNING Dust and fumes generated when using this tool can cause ill health (for example cancer, birth defects, asthma and/or dermatitis); risk assessment and implementation of appropriate controls for these hazards are essential. ...
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Vibration Hazards WARNING Exposure to vibration can cause disabling damage to the nerves and blood supply of the hands and arms. Wear warm clothing when working in cold conditions and keep your hands warm and dry. ...
Precautions on Use Product Specific Safety Rules WARNING Protect your body from chips. During grinding, hot chips scatter. Since it could cause blindness, respiratory disorders, burns or hearing impairment, when working, to protect your body use protective eyewear, a dust mask, earplugs, gloves (excluding knitted gloves), long-sleeved work clothes, etc.
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WARNING Always inspect the Spindle's threaded part and Outer Flange for breakage, deformation and wear. If an abnormality is found, stop using the tool immediately. Never use the side other than the usage surface of the Grinding Wheel. ...
1 Application This tool is an air type hand-held grinder for grinding a workpiece using the Grinding Wheel shown below according to the shape of the Type 27 Depressed Center Grinding Wheel. MYG-25 A Depressed Center Grinding 58 mm (2 - 9/32") Wheel diameter Depressed Center Grinding 9.6 mm...
4 Air Supply CAUTION Remove drainage before stating work. When drainage enters the tool, the vicinity of the exhaust port freezes, which could cause a loss of power. 1 Compressor 2 Air Filter 3 Air Regulator 4 Lubricator 5 Connecting Hose 6 Machine Oil 7 Coupler...
5 Preparation WARNING During work, be sure to wear eye protection, earplugs, a dust mask, and gloves (other than knitted gloves). When replacing or adjusting the Grinding Wheel or parts, be sure to detach the Connecting Hose from the tool. ...
Start and stop Start Lock Lever Check that the Throttle Lever is in the OFF status and insert the Connection Hose into the Coupler of this tool Throttle Lever Hold the tool and while pressing the Lock Lever (1), press the Throttle Lever (2) The tool starts.
6 How to Use Grinding work CAUTION Do not press the Grinding Wheel strongly against the working surface. Doing so could damage parts or damage the Grinding Wheel. Strongly pressing the tool against the working surface does not change work efficiency. Hold the tool with your hand to start Lightly touch the Grinding Wheel at an angle of 15 to 30 degrees against the working surface...
7 Maintenance and Inspection Storing the tool Store the tool according to the following warnings and cautions. WARNING When the tool is not in use, store out of the reach of children. CAUTION When the tool is not in use, store in a place with little humidity. ...
Maintenance and Inspection Maintenance and inspection WARNING For maintenance and inspection, be sure to detach the connecting hose from the tool. Use genuine parts. Never touch moving parts while the tool is running. Replenishing grease Apply grease (Sumitec 305) as needed to the inside of the main unit about once a month according to the following procedure.
Perform a trial run and wipe off extra grease that seeps out Attach a connecting hose to the coupler of the tool and operate the tool. At that time, grease may scatter around the Spindle (7), so use with care. Stop the tool in a few seconds and always detach the tool from the connecting hose, then wipe off any grease that seeps from the periphery of the Spindle.
9 Exploded View/Parts List MYG-25 Exploded View/Parts List CAUTION Users should never perform disassembly of the tool. This illustration is for reference only. For repair or replacement of the tool, request service from the retailer where you purchased the tool or the nearest NITTO service member store.
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*1 indicates a consumable item, *2 indicates a commercial item. Parts inside ( ) are components of the above assembly. Part no. Part name Quantity Needle Bearing BK0609T2 *1 *2 TQ12638 Gear 1×22 TQ12986 Ball Bearing 6001ZZ *1 *2 TP00498 Bearing Set Screw Ass'y TB08597 1 set...
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10 Ubi Crescent #01-62, Ubi Techpark Lobby D, Singapore Tel: +1-630-924-9393 Fax: +1-630-924-0303 408564 Tel: +65-6227-5360 Fax: +65-6227-0192 NITTO KOHKI EUROPE GMBH NITTO KOHKI CO., LTD., Bangkok Representative Gottlieb-Daimler-Str. 10, 71144 Steinenbronn, Germany Tel: +49-7157-989555-0 Fax: +49-7157-989555-40 Office M&A Business Center, Q-House Convent Bldg., 38 Convent NITTO KOHKI EUROPE GMBH UK BRANCH Rd., Silom, Bangrak, Bangkok 10500, Thailand...
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