Global Machinery Company BG125A User's Manual
Contents
1. 6 Replace the retaining nut See the Note above regarding the direction of rotation of the nut 7 Hold the wheel whilst you tighten the nut Do not over tighten 8 Replace the guard and eye shield assembly 9 Re adjust the tool rest and eye shield 10 Rotate the wheel by hand to check for free movement and proper adjustments 11 Plug in the gnnder put on eye protection stand to one side and run the grinder at full speed for several minutes Changing the sharpening wheel low speed wheel for Model NTS2000A The NTS2000A is a combination Bench Grinder Sharpener fitted with a wet bath on the sharpening wheel The sharpening wheel rotates at a much slower rate at 130RPM and together with the water bath assists to keep the part being sharpened cool and thus not damaging the cutting edge The water also assists in keeping the wheel clean Water should be drained at the completion of the sharpening task via the small drain hole on the bottom of the water bath Ensure the rubber plug is firmly replaced When filling the bath with water ensure the water is clean and fill the bath sufficiently to allow the wheel to be approx 12mm into the water As you add the water to the bath the sides of the wheel will become wet thus indicating the depth of the wheel in the water Do not overfill the bath 10 1 Drain all the water from the bath 10 10 Fit the outer flange against 2 Remove the two securing scr2. 20mm Safety instructions The tool must be used only for the prescribed purpose Any uses other than those mentioned in this manual will be considered a case of misuse The user and not the manufacturer shall be liable for any damage or injury resulting from such cases of misuse To use this tool properly you must observe the safety regulations the assembly instructions and the operating instructions to be found in this Manual All persons who use and service the machine have to be acquainted with this Manual and must be informed about its potential hazards Children and infirm people must not use this tool Children should be supervised at all times if they are in the area in which the tool is being used It is also imperative that you observe the accident prevention regulations in force in your area The same applies for general rules of occupational health and safety The manufacturer shall not be liable for any changes made to the tool nor for any damage resulting from such changes Warning Before connecting a tool to a power source mains power point receptacle outlet etc be sure that the voltage supply is the same as that specified on the nameplate on the tool A power source with a voltage greater than that specified for the tool can result in serious injury to the user as well as damage to the tool If in doubt do not plug in the tool Using a power source with a voltage less than the nameplate rating is harmful to th
3. grinder is used Eye shields and brackets must be fitted over each grinding wheel on all the bench grinders in the range except the sharpening wheel 11 on Model NTS2000A 1 Remove the top screw of the wheel guard 8 2 Fit the eye shield bracket 9 3 Fit a flat steel washer on to the wheel guard screw and then pass the screw through the eye shield bracket guard and then the eye shield bracket again Fit another flat washer followed by the spring washer and then the nut Tighten the nut so the bracket can slide 4 Fit the eye shield 1 to the top of the bracket Secure the eye shield by passing the 45mm x 5mm screw through both the bracket 9 and eye shield 1 Tighten the screw to the point where the eye shield will move with firm resistance 5 Slide the eye bracket inward or outwards so the edge of the bracket is less than 6mm from the surface of the wheel as shown but not touching the wheel 6 Rotate the wheel by hand one full revolution to ensure the wheel can rotate without contacting the bracket Firmly tighten the screw retaining the bracket Important Ensure that the washers as shown in the photograph are correctly positioned Fitting the tool rests The tool rests 7 are required for each high speed grinding wheel to assist in the grinding operation They are not required on the sharpening wheel on the NTS2000A Caution Never use a Bench Grinder on which the tool rest has not been
4. safely When not in use tools should be stored in a dry high place or locked up out of reach 5 Do not force the tool The tool will do the job better and safer working at the rate for which it was designed 6 Use the correct tool for the job Do not force small tools or attachments to do the job best handled by a heavier duty tool Never use a tool for a purpose other than that for which it was intended 7 Dress correctly Do not wear loose clothing or jewelry They can be caught in moving parts Rubber gloves and non slip footwear are recommended when working outdoors If you have long hair wear a protective hair covering 8 Use safety accessories Safety glasses and earmuffs should always be worn A face or dust mask is 9 also required Connect dust extraction equipment If devices are provided for the connection of dust extraction and collection facilities ensure that these are connected and properly used 10 Do not abuse the power cord Never pull the cord to 11 12 13 14 13 16 17 disconnect the tool from the power point Keep the cord away from heat oil and sharp edges Secure the work piece Use clamps or a vice to hold the work piece It is safer than using your hand and frees both hands to operate the tool Do not overreach Keep your footing secure and balanced at all times Look after your tools Keep tools clean and sharp for better and safer performance Follow th
5. should be properly repaired or replaced by an authonsed service facility unless otherwise indicated in this Instruction Manual Defective switches must be replaced by an authonzed service facility Do not use a tool if the switch does not turn the tool on and off correctly Guard against electric shock Prevent body contact with grounded objects such as water pipes radiators ranges and refngerator enclosures Use only approved parts When servicing use only identical replacement parts Use an authonsed service facility to fit replacement parts Warning The use of an accessory or attachment other than those recommended in this Instruction Manual may present a nsk of personal injury Additional safety rules for bench grinders e Always remove the plug from the mains socket before making any adjustments or maintenance including changing the wheel e Always wear eye protection and check that the eye shields on the grinder are properly adjusted e Always turn the gnnder off when it is not in use and never leave it unattended without first switching off and removing the power plug Never leave the grinder until the grinding wheels have come to a complete stop e Make sure that any replacement wheel is rated at 3000RPM or higher e Do not let anyone under 18 years operate this tool e Rags cloths cord string and the like should never be left around the work area e If you are interrupted when operating the tool complete the
6. these exhausts from the rear Ensure the following e Combustable items are not directly behind the grinder e During use ensure other persons are not directly behind the grinder e Never attempt to connect any form of dust extraction machine to the grinder A LNA wn Eye shield Grinding wheel Outer guard Rubber coated mounting position Base 6 On Off switch 7 Adjustable tool rest 8 Wheel guard 9 Eye shield bracket 10 Water bath 11 Sharpening wheel 12 Guard exhaust not shown Caution During use it is important not to overload the grinder The grinder should run at close to full speed If you are applying too much pressure the gnnder will start to slow down Under these conditions remove the part being ground and allow the gnnder to return to full speed Re apply the part to the grinder but with a little less force All of the grinding wheels are supplied with grinding wheels designed for metal use only The grinding of Copper Brass Aluminium Wood or other similar matenals will clog the grinding wheel Warning Never attempt to grind Magnesium Fitting and adjusting the eye shields and brackets Important Prior to fitting the eye shield brackets ensure the grinder is tumed off and the power plug is removed from the socket Note Always check to ensure the eye shields 1 are correctly fitted and the eye shield brackets 9 are correctly adjusted each time the
7. INSTRUCTION MANUAL m m m m 4 BG1I2Z5A BG150A BG200A NERY COMPANY E TRA NTSe000A e Melbourne Perth Auckland Hong Kong Shanghai e Taipei New York Verona London Paris 031222 ED8 DR Warranty Introduction Environmental protection Description of symbols Specifications Safety instructions Additional safety rules for bench grinders Unpacking Connecting to the power supply Know your product Fitting and adjusting the eye shields and brackets Fitting the tool rests Bench mounting the grinder Using the on off switch Operation Changing a grinding wheel high speed wheel Changing the sharpening wheel low speed wheel for model NTS2000A How to true and dress the wheels Grinder adjustments Maintenance Lubrication Cleaning General inspection Repairs O 6 Co COON GD GA GD NK vi bo UIN ha QO 10 11 12 12 12 12 12 12 Full 2 Years Warranty Whilst every effort is made to ensure your complete satisfaction with this tool occasionally due to the mass manufacturing techniques a tool may not live up to our required level of performance and you may need the assistance of our service department This product is warranted for a 2 year period from the date of the original purchase If found to be defective in materials or workmanship the tool or the offending faulty component will be replaced free of charge with another of the same i
8. ach corner These holes accept screws or bolts up to 6mm diameter Mounting screws are not supplied with the unit Where the grinder is to be mounted on to a steel work bench it is advisable to place a piece of timber between the bench and gnnder then screw or bolt through the grinder and timber into the bench This further assists to reduce vibration Important When directly mounting the grinder ensure e The surface under the grinder is flat and clean e The 4 mount screws are applied evenly and not over tightened Note The four rubber suction caps should remain in place if mounting screws are used Using the On Off switch 1 To tum the gnnder on press the top of the rocker switch 6 marked I 2 To tum the gnnder off press the bottom of the rocker switch 6 marked 0 Operation Important Pnor to using the grinder check that the eye shields and tool rests are fitted and correctly adjusted and that you are wearing safety gear including eye hearing and breathing protection 1 Turn the wheel by hand to make sure it does not touch the guard and runs freely 2 Stand to one side turn the switch 6 on and allow the motor to reach full speed 3 Support the work piece on the tool rest 7 and gradually feed the work piece onto the wheel Use pliers to hold small work pieces Note Traverse the work piece across the full width of the wheel to prolong its flat surface 4 If the grinding oper
9. all areas where the dust tends to build up 2 Wipe the guards and grinder with a soft damp cloth A mild detergent can also be used 3 Wipe the eye shields with a soft damp cloth making sure not to scratch the surface A mild detergent can also be used Caution Never use caustic agents petrol based cleaners alcohol or any other cleaning agents Do not wet down the grinder General inspection 1 Regularly check that all the fixing screws are tight They may vibrate loose over time Repairs 1 Only an authonsed service centre should replace the cordset or carry out other repairs If the cordset is damaged or worn have it repaired or replaced by an authonsed service centre 12 Carefully read the entire Instruction Manual before using this product Before returning this product for a Warranty Claim or any other reason Please Call 1300 880 001 Australia or 0800 445 721 New Zealand When you make your call please have the following information at hand GMC Product Type GMC Product Code A GMC Service Engineer will take your call and in most cases will be able to solve your problem over the phone You are welcome to use this phone in service to make suggestions or give comments about any GMC product GM GLOBAL MACHINERY COMPANY 45 55 South Centre Road Melbourne Airport Victoria Australia 3045 Tel 03 8346 1100 Fax 03 8346 1200 With continuing product development changes may have o
10. ation causes the motor speed to noticeably decrease pull back the work piece allow the motor to regain full speed and restart the grinding operation but apply less force Warnings Only use the front face of the grinding wheel not the sides Note that the work piece can get very warm It may be necessary to cool a work piece by dipping it in a coolant or in water Do not apply coolant or water to the grinding wheel Changing a grinding wheel high speed wheel Important Pnor to changing a wheel ensure the grinder is turned off and the power plug is removed from the socket Make sure that the replacement wheel is rated at 3000RPM or higher 1 Remove the retaining screw and take off the tool rest 7 2 Remove the retaining screw and take off the eye shield bracket 9 and eye shield 1 3 Take off the third retaining screw and remove the outer guard 3 4 Remove the retaining nut see note below for correct direction of rotation outer flange and the wheel Note The wheel on the left hand side of the grinder has a left hand thread and is unscrewed in a clockwise direction The wheel on the nght hand side of the grinder has a nght hand thread and is unscrewed in an anti clockwise direction 5 Fit the replacement wheel on the shaft ensuring that there is a blotter between the wheel and clamp washers on each side of the wheel and ensure the wheel is a slide fit not loose on the spindle
11. ccurred which render the product received slightly different to that shown in this instruction manual The manufacturer reserves the nght to change specifications without notice Note Specifications may differ from country to country 7 DAYS A WEEK 7 AM 7 PM testi The GMC 777 Helpline operates from 7am to 7pm 7 days a week EST This allows you to contact GMC directly with any queries and technical questions you have regarding our products Save this Manual for future reference
12. e instructions regarding lubncation and accessory changes Inspect tool cords penodically and if damaged have them repaired by an authonsed service facility Inspect extension cords penodically and replace them if damaged Keep tool handles dry clean and free from oil and grease Disconnect idle tools Switch off the power and disconnect the plug from the power point before servicing when changing accessones and when the tool is not in use Remove adjusting keys and wrenches Form the habit of checking to see that keys and adjusting wrenches are removed from the tool before switching it on Avoid unintentional starting Always check that the switch is in the OFF position before plugging in the tool to the power supply Do not carry a plugged in tool with your finger on the switch Use outdoor rated extension cords When a tool is used outdoors use only extension cords that are intended for outdoor use and are so marked 18 19 20 21 Stay alert Watch what you are doing Use common sense Do not operate a power tool when you are tired Check for damaged parts Before using a tool check that there are no damaged parts If a part is slightly damaged carefully determine if it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts proper mounting and any other conditions that may affect the operation of the tool A part that is damaged
13. e motor Even when the tool is used as prescribed it is not possible to eliminate all residual nsk factors The following hazards may anise in connection with the tools construction and design e Contact with the wheel e Kickback of work piece and parts of work piece e Wheel fracture e Catapulting of wheel pieces e Damage to hearing if effective earmuffs are not worn e Damage to eyes if eye protection is not worn e Damage to lungs if breathing protection is not worn e Always remove the plug from the mains socket before making any adjustments or maintenance including changing the wheel Warning When using power tools basic safety precautions should always be taken to reduce the nsk of fire electric shock and personal injury Also please read and heed the advice given in the additional important safety instructions 1 Keep the work area clean and tidy Cluttered work areas and benches invite accidents and injury 2 Consider the environment in which you are working Do not use power tools in damp or wet locations Keep the work area well lit Do not expose power tools to rain and high humidity Do not use power tools in the presence of flammable liquids or gases 3 Keep visitors away from the work area All visitors and onlookers especially children and infirm persons should be kept well away from where you are working Do not let others in the vicinity make contact with the tool or extension cord 4 Store tools
14. ews at the top of the bath the outer blotter of the wheel followed by the steel washer and then the retaining nut 11 Tighten the retaining nut firmly by rotating the spanner in a clockwise direction 12 Replace the water bath in the reverse direction as the removal procedure given above How to true and dress the wheels Dressing a wheel cleans and levels the front surface to increase efficiency of operation and prevent vibration 1 Dressing a wheel involves the use of a wheel dresser which is not supplied with the grinder Follow the manufacturers instructions of the wheel dresser 2 Adjust the tool rest to allow the front part of the wheel dresser to fit between the tool rest and wheel 3 Start the motor and move the dresser across the front of the wheel a sufficient number of times until the surface is level It is not necessary to apply excessive force in an attempt to dress the wheel in one pass of the wheel dresser 4 Adjust the tool rest so that it is no more than 1 1 5mm from the wheel 5 Adjust the eye shield bracket to ensure the gap between the bracket and wheels is less than 6mm 3 Loosen but do not remove the lower retaining screw 4 Push the top clips of the bath clear of housing and then lower the bath clear of the housing 5 Using an 18mm spanner remove the wheel retaining nut by turning the nut in an anti clockwise direction 6 Remove the washer and the outer flange followed by
15. fitted or where the tool rest has not been correctly adjusted The tool rests supplied are left or nght handed Important Prior to fitting the tool rests ensure the grinder is turned off and the power plug is removed from the socket 1 Remove the lower screw on the wheel guard 8 2 Hold the tool rest 7 in the correct position against the outer surface of the inner wheel guard Fit the screw through the tool rest and then both sides of the guard ensuring the square al Eir section under the screw head fits into the slot of the tool rest Fit the star washer and then the large flat washer Fit the plastic coated thumb nut to the screw and tighten the nut sufficiently to support the tool rest but still allowing the tool rest to slide inward and outwards 4 Slide the tool rest to within a max of 1 5mm from the wheel Rotate the wheel one full revolution by hand to ensure the wheel does not contact the tool rest 5 Tighten the thumb nut firmly to retain the assembly Repeat the assembly operation for the second grinding wheel Important Ensure that the washers as shown in the photograph are correctly positioned Bench mounting the grinder The GMC Bench Gnnders are supplied with 4 rubber suction caps which assist in reducing the transmission of vibration It is strongly recommended that the gnnder be firmly mounted to a bench or stand for safe operation The base of the grinder has a 7mm hole in e
16. his manual are designed to operate from a standard household supply of 230 240V AC Pnor to plugging in the tool check the rating label on the rear of the grinder and ensure that it states the tools operating voltage is 240V All the grinders are of Class 1 Category earthed and are fitted with a 3 core cable and plug Should the cable or plug be damaged the product should be serviced by an authounsed Service Centre to avoid a hazard Know your product Before using the bench grinder familiarise yourself with all the operating features and safety requirements The GMC Bench Gnnders are designed for light to moderate duty applications in a home environment They are not intended for use by trade persons They are ideal for sharpening tools such as drill bits and chisels The larger tools can be applied to heavier grinding applications on steel sections These grinders are not a continuously rated tool and should not be operated for more than 10 minutes continuously at a time under load If the tool is used for this period of time under load the grinder should then be turned off for a minimum of 30 minutes All the bench grinders can be fitted with a wire wheel provided that the wheel is rated for use at 3000RPM or higher Guard exhaust All grinders are fitted with a rear guard exhaust This exhaust is provided to assist in the prevention of grinding dust build up within the guard assembly Grinding sparks and dust will project from
17. ore using your new GMC Power Tool Take special care to heed the Cautions and Warnings Your GMC power tool has many features that will make your job faster and easier Safety performance and dependability have been given top pnonty to the development of this tool making it easy to maintain and operate Environmental protection Recycle unwanted matenals instead of disposing of them as waste All battenes tools hoses and packaging must be sorted taken to the local recycling centre and recycled or disposed of in an environmentally safe way Description of symbols The rating plate on your tool may show symbols These represent important information about the product or instructions on its use Wear hearing protection Wear eye protection Wear breathing protection Conforms to relevant standards for nago electromagnetic compatibility Spindle speed 2800RPM 2800RPM 2800RPM 2800RPM 2800RPM 2800RPM 2800RPM 130RPM Width 16mm 16mm 20mm 20mm 20mm 20mm 20mm Specifications Nominal voltage 230 240Vac 50Hz Model Wheel HP BG125A 1 1 5 HP BG125A 2 1 5 HP BG150A 1 2 5 HP BG150A 2 2 5 HP BG200A 1 2 3 HP BG200A 2 2 3 HP NTS2000A 1 1 2 HP NTS2000A 2 1 2 HP Model Wheel Diameter BG125A 1 125mm BG125A 2 125mm BG150A 1 150mm BG150A 2 150mm BG200A 1 200mm BG200A 2 200mm NTS2000A 1 150mm NTS2000A 2 200mm 40mm Gnt 36 60 36 60 36 60 36 100 Bore 12 mm 12 mm l mm l mm l mm 16mm 16mm
18. process and switch off before looking up e Periodically check that all nuts bolts and other fixings are properly tightened e Do not use a wheel that has received a blow especially to the side of the wheel e Replace a cracked or suspect wheel e Always allow a new wheel to run for a few minutes at full speed before using it Stand to one side at start up e Check that the wheel rotates freely each time before start up e Do not use the grinder unless all the guards are properly fitted and secure e Check that the tool rests are properly adjusted before commencing use e Do not overload the grinder Allow the grinder to run at full speed or close to full speed dunng use e Never apply excessive pressure to the wheel It might shatter causing personal injury e Make sure that the wheel is not in contact with the work when you start the grinder e When using the grinder use safety equipment including safety goggles or shield ear protection dust mask and protective clothing including safety gloves Wear goggles Wear ear protection Wear a breathing mask Unpacking Due to modern mass production techniques it is unlikely that your GMC Power Tool is faulty or that a part is missing If you find anything wrong do not operate the tool until the parts have been replaced or the fault has been rectified Failure to do so could result in serious personal injury Connecting to the power supply The GMC Bench Gnnders covered in t
19. tem A small freight charge may apply The warranty replacement unit is only made available by returning the tool to the place of purchase with a confirmed register receipt Proof of purchase is essential We reserve the nght to reject any claim where the purchase cannot be venfied This warranty does not include damage or defects to the tool caused by or resulting from abuse accidents or alterations It also does not cover any bonus accessones unless the tool is a GMC Platinum Professional model Please ensure that you store your receipt in a safe place Conditions apply to the above warranty If you need direction of what constitutes a free of charge warranty claim please review the guide given on the rear of the Receipt Holder An indication is given as to the types of claim that are permissible and those that are not Dear Customer If you require any help with your product whether it is a Warranty claim spare part or user information Please phone our Help Line for an immediate response Phone 1300 880 001 in Australia or 0800 445 721 in New Zealand Introduction Your new GMC power tool will more than satisfy your expectations It has been manufactured under stringent GMC Quality Standards to meet supenor performance criteria You will find your new tool easy and safe to operate and with proper care it will give you many years of dependable service Caution Carefully read through this entire Instruction Manual bef
20. the wheel 7 Ensure the new wheel conforms to the replacement wheel specifications in this manual 8 Ensure the clamping surfaces are clean and fitted with blotters 9 Fit the wheel on to the spindle and directly against the inner flange 11 Grinder adjustments During the life of the grinder some adjustments are required to maintain a safe working environment Please ensure the following e Always adjust the eye shields to the most comfortable and most effective angle to suit the task being performed e As the wheels wear the top eye shield bracket must be adjusted to ensure the gap between the bracket and the wheel does not exceed 6mm e As the wheels wear the tool rests must also be adjusted so there in never a gap of greater than 1 5mm between the wheel and the edge of the tool rest Maintenance Prior to any maintenance ensure the power has been turned off and the plug is removed so that the grinder is fully disconnected from the 240V supply Lubrication 1 All models use pre lubncated sealed ball bearings for the motor and do not require lubrication 2 If the wheels do not rotate freely the bearings should be replaced by an authonsed service centre 3 On the wet and dry grinder sharpener the lubncation of the worm drive should be checked after each 50 hours of operation by an authonsed service centre Cleaning 1 Keep the outside of the grinder clean by brushing grinding dust and dirt away from
Download Pdf Manuals
Related Search