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1. AXMINSTER 150 200mm Wetstone Grinder jenueyy Jesn wg Axminster Reference No AWWSG www axminster co uk Index of Contents Index of Contents zaanstad ttid deter 02 Declaration of Conformity nnnssnnnnennenene eenn nen ennn en nnen venenenenenenenenenenenenenenereeeeeren OO What ssin the Box er dl P tsb Sev dae vannelle tedere neden OF General Instructions for 240V Machines nnnnvnverseersene nere ee rennnenenenenn 05 06 Mita Asse D e a A eenderde Renee 07 set UP the Grin eh scisscccescessiecercesancossccnecnessastencesdeietonsuiersuedsoateaientosc euieceacddeatiaies 08 09 Specifications trier varen naren nternet aria 09 Identification and Description of the Grinder nnnnannrennenennennnenennenenenensen 10 Grinder Illustration and Parts Description nenenenenenenenenenenenenenenenenenenenen 11 Specific Safety Precautions for Grinding Machines nunnnnennrennenennenenenennn 12 Changing the Dry Grinding Wheel nnnannneener eene nenenennenenneeenenenneneneeenn 13 14 Changing the Wet Grinding Wheel nnnnnenenennenenenenenenennneneneneneneneenn 14 15 Dressing a Stone nternet eden deden ann ln de 15 The symbols shown on the cover of this S AF ETY manual advise that you wear the correct safety protection when using this machine ge ON ov Mas ae So gespiraro 86 Safety Protection Symbols ven AXMINSTER TCL CENTRE CE Declaratio
2. 17 If the wheel requires dressing dress only the front of the wheel do not dress the sides 18 DO NOT use any attachments that causes the machine to vibrate If after changing grinding wheels or adding attachments the machine does vibrate remove the recently replaced item and change again 19 Grinding creates heat DO NOT touch the work face of the work piece until you are sure it has cooled down sufficiently Changing the Dry Grinding Wheel AN Ensure that the grinder is disconnected from the mains supply Undo the nuts and bolts that secure the outer shell of the wheel guard to the inner shell Remove the outer shell and place it and the nuts bolts and washers carefully aside See fig 6 Be very careful that the stone cover does not spring out of its location lip on the inner cover it can spring out with some force See fig 7 Loosen the nut holding the grinding wheel to the shaft Carefully remove the nut the plate flange and the soft washer that is clamping the grindstone in place See figs 8 amp 9 Then very carefully remove the grindstone from the shaft take care that no damage or distortion is done to the bush if one is fitted See fig 10 Now is a good time to clean out the interior of the wheel guard removing any loose or compacted material that may have accumulated Carefully inspect the new grinding wheel before it is fitted check that there are no cracks and there is no d
3. mounted onto the motor flange The stone cover is sprung into the lip of the inner part and the outer part is located on it The whole assembly is bolted together There are various hard point locations that accept the fixing bolts that secure the attachments of the machine Tool rest Formed metal plate that bolts onto a hard point on the inside cover of the wheel guard There is an elongated slot in the rest which gives adjustment along the coach bolt fixing Eye shield Clear protective shield that mounts over the grindstone to afford a spark guard view of the workpiece but offer protection for the eyes it is mounted onto the spark guard making a complete assembly that bolts through a hard point on the upper part of the stone cover The spark guard itself has an elongated slot to allow positioning and adjustment as the wheel diameter decreases Its function is to contain any material esp sparks that would be tracked around the grindstone and sprayed out of the machine esp over the hands Gearbox A transition through 90 gearbox that is mounted onto the end flange of the motor The gearbox reduces the speed of the wet stone to approx 120 rpm Water trough A moulded plastic trough that is screwed to the o p face of the gearbox During operation the trough is filled with water and the stone runs partially immersed This self dousing action maintains the cold temperature of the stone and helps to remove the grinding wa
4. or cleaners as these may cause damage to any plastic parts or to the electrical components Keep the work area as uncluttered as is practical this includes personnel as well as material Under no circumstances should CHILDREN be allowed in work areas D FREEPHONE 0800 371822 05 General Instructions for 240V Machines Work Place Environment Continued If the machine is not permanently fixed in place it is good practice to leave the machine unplugged until work is about to commence also make sure to unplug the machine when it is not in use or unattended Always disconnect by pulling on the plug body and not the cable Once you are ready to commence work remove any tools used in the setting operations if any and place safely out of the way Re connect the machine Make sure you are comfortable before you start work balanced not reaching etc If the work operation appears to be excessively noisy wear ear defenders If you wear your hair in a long style wearing a cap safety helmet hairnet even a sweatband will minimise the possibility of your hair being caught up in the rotating parts of the machine likewise consideration should be given to the removal of rings and wristwatches if these are liable to be a snag hazard Consideration should also be given to non slip footwear etc It is NOT recommended that gloves are worn when carrying out grinding operations there is a definite loss of touch if the work piec
5. the grindstone wears down Leave a gap of approximately Fig 4 one and a half millimetres between the grindstone and the rest Star nut Adjust the spark guard until it is just clear of the grindstone Position the eye shield on its pivot bolt if necessary nip the clamping bolt of the eye shield clamp so that the eye shield remains in place If there is any tendency for the grinder to move tip or tilt while it is being operated it should be bolted down either to the bench or to a specific stand or base board It is a good idea to dress new grindstones before use to remove any possible irregularities and ensure the stones are running concentrically EE www axminster co uk RE _ Setting up the Grinder Carry out a final check e g start the machine check it runs smoothly Check that the spark guard is adjusted down to the stone check the gap between the tool rest and the stone is correct check the stone is not badly deformed rounded edges grooved face etc unless you have specifically shaped the stone to these profiles check the eye shield is correctly positioned Have a cooling pot to hand if you need it and remember safety goggles are a good investment you are only issued with 1 pair of eyes Finally fill the water trough with clean water to a level about 15 20 mm below the lower lip of the trough NOTE The Wetstone will shed the grinding waste and dust into the water the heavy waste is n
6. the stone until all irregularities have been removed and the edges of the stone are nice and sharp PLEASE NOTE This is not a procedure that can be rushed it must be carried out slowly and steadily Dressing the wheel using a Wheel Dressing Stick or Devil Stone Part no 410074 De FREEPHONE 0800 371822 D 15 D xe S lt V 2 T S S S LO I g eo Ct Axminster Reference No AWWSG TOOL CENTRE AXMINSTER UV Axminster Devon EX13 5PH UK FREEPHONE 0800 371822 www axminster co uk en LPL if
7. a chipped or cracked wheel Always inspect each wheel before mounting it on the grinder If during inspection you discover a damaged grinding wheel replace it immediately 5 DO NOT over tighten the wheel nut 6 Always maintain a distance of 2mm or less between the wheel and the tool rest Adjust the tool rest as the wheel decreases in size 7 Ensure the tool rest is tightened so it cannot move while in use 8 NEVER grind on a cold wheel The grinder should always be run for at least one minute before applying work to it 9 NEVER grind on the side of the wheel Always grind on the face of the wheel only 10 NEVER apply coolant directly to a dry grinding wheel it may cause the bonding to fail If the work piece becomes hot dip it into the water trough to cool it down 11 HOT SPARKS ARE A HAZARD NEVER carry out grinding operations near flammable gas or liquid 12 Always make sure the spark guard and eye shield is in place that they are properly adjusted and secured 13 Keep the sparks guard close to the wheel and re adjust it as the wheel wears 14 Ensure the soft washer and the flanges furnished with the grinder are used to mount any attachments grinding wheels wire brushes buffing wheels etc onto the shaft 15 Always stand to one side of the grinder when starting the machine 16 Avoid awkward hand positions where a sudden slip could cause the hands to come into contact with a grinding wheel wire brush etc
8. ains Powered Tools Primary Precautions These machine are supplied with a moulded 13 Amp Plug and 3 core power cable Before using the machine inspect the cable and the plug to make sure that neither are damaged If any damage is visible have the machine inspected repaired by a suitably qualified person If itis necessary to replace the plug it is preferable to use an unbreakable type that will resist damage on site Only use a 13 Amp plug and make sure the cable clamp is tightened securely Fuse as required If extension leads are to be used carry out the same safety checks on them and ensure that they are correctly rated to safely supply the current that is required for your machine O rees If the machine is not fitted with a NVR type ON OFF switch always check that the machine is OFF before connecting it to the mains supply Work Place Environment The machine is designed for indoor operation do not use when or where it is liable to get wet If the machine is to be used outside and it starts to rain stop work and move it inside If the machine has got wet dry it off as soon as possible with a cloth or paper towel Do not use 230Va c powered machines anywhere within a site area that is flooded or puddled and do not trail extension cables across wet areas Keep the machines clean it will enable you to more easily see any damage that may have occurred Clean the machine with a damp soapy cloth if needs be do not use any solvents
9. amage to either the front face or the edges If required fit the bush to the grindstone Carefully mount the grindstone onto the shaft reposition the soft washer and the wheel flange replace the holding nut and tighten carefully Do Not Overtighten Refit the outside shell of the wheel guard and secure with its nuts and bolts Refit the tool rest positioning as in Setting up the grinder Fasten securely Nut Plate flange Grindstone ED CED D FREEPHONE 0800 371822 Changing the Dry Grinding Wheel Check that the spark guard and the tool rest are not touching the grindstone Reconnect the grinder to the mains supply give the grinder a short burst by switching it on and off quickly Check the grinder is not subject to any undue vibration If the grinder does vibrate strip it down again and check that the bush if fitted is correctly positioned and is the correct size for the stone and the spindle Check the bore of the stone is correct If these all seem correct refit and carryout the quick burst procedure again If the machine is still vibrating discard the stone and replace with another one Run up to speed normally Leave the machine running for at least one minute before carrying out any work Apply a workpiece and check that the spark guard is correctly positioned and that the tool rest is securely fixed Changing the Wet Grinding Wheel A Ensure that the grinder is dis
10. connected from the mains supply Remove the rubber stabilising foot Drain the water from the trough Release the three screws that secure the trough to the gearbox and put carefully aside See figs 11 12 13 Remove the trough See fig 14 Wat Undo the nut fig 15 and remove the wheel flange fig 16 and the stone fig 17 NOTE Take care removing the flange or the stone from the flange as the flanges form the bushing to size the grindstone bore to the gearbox shaft See fig 17 Changing the Wet Grinding Wheel Nut Plate flange Grindstone Now is a good time to clean the water trough thoroughly and check for and correct any signs of erosion oxidation on the gearbox components Fit the new stone and re assemble in reverse order Take care not to over tighten the securing screws as damage could result to the fixing lugs of the water trough Replace the bung leg and refill the trough with clean water Dressing a Stone A If the grindstones wear unevenly producing crests dips or rounded edges they should be dressed out using a suitable wheel dressing tool A selection of stone dressing tools are available in the Axminster catalogue Switch the grinder on and allow it to run for at least one minute Rest the dressing tool on the tool rest and advance it to the stone until it touches the maximum diameter gently move the dresser back and forth across the face of
11. e gets very hot dowse frequently in the cooling pot If you are allowing another person to use the machine ensure that they are suitably qualified to do so DO NOT use any tools or machinery if you are under the influence of drink drugs or prescribed medication DO NOT work with abrasive tools of any description if you are tired your attention is wandering or you are being subjected to distraction A deep graze a ground fingertip or worse is not worth it DO NOT use this machine within the designated safety areas of flammable liquid stores or in areas where there may be volatile gases There are very expensive very specialised machines for working in these areas THIS IS NOT ONE OF THEM Above all OBSERVE make sure you know what is happening around you and USE YOUR COMMON SENSE p C www axminster co uk D RE Initial Assembly Carefully unpack the machine and all the loose items from the box Check the contents against the What s is in the box list If any items are missing please contact our technical services department using the telephone numbers that you will find in our catalogue Having removed all the items from the box please dispose of your unwanted packaging responsibly A lot of the packaging is biodegradable Initially we suggest that you merely carry out a loose assembly of the various parts of the grinder After assembly has been completed we will set up the various components correctly and
12. n of Conformity Copied from CE Certificate The undersigned gt authorised by Yancheng Baoding Electrical Tools Co Ltd No 88 Yandu Road Yandu New District 224005 Yancheng PR China declares that this product MD150 200Q Bench Grinder manufactured by Yancheng Baoding Electrical Tools Co is in compliance with the following standards or standardisation documents in accordance with Council Directives EN 61029 1 A12 2003 EN 61029 2 4 A1 2003 D FREEPHONE 0800 371822 What s in the Box 1 No 150 200mm WetStone Grinding Model no MD150 200Q with grinding wheels fitted 1 No Combined Eye Shield Spark guard complete with C 1No M5 Phillips Head Screw 1 No 5mm Washer C 1 No 5mm Spring Washer 1 No M5 Nut 1 No Tool Rest complete with I SFS SYS WW OP WW PP 1 No M6 Plastic Star Knob 1No M6 Coach Bolt 1No 6mm Washer 1No 6mm Anti vibration Washer 1 No Rubber Bung Stabilising Leg 1No Guarantee Card 1 No Instruction Manual 8 www axminster co uk D RE i General Instructions for 240V Machines Good Working Practices Safety The following suggestions will enable you to observe good working practices keep yourself and fellow workers safe and maintain your tools and equipment in good working order KEEP TOOLS AND EQUIPMENT OUT u WARNING OF THE REACH OF YOUNG CHILDREN M
13. ot a problem as it will sink to the bottom of the trough the dust and light stuff will form a film on the surface of the water and can be dragged up and lay on the stone A sufficiently heavy layer can be glazed onto the stone by the grinding action which reduces its cutting efficiency The heavy waste which sinks to the bottom of the trough can also start to rust due to the oxygenated nature of the water air trapped in the surface water on the stone being passed through the trough as it rotates Clean the trough and refill with clean water frequently Specification Axminster No AWWSG C Rating Hobby Motor 240V 50Hz 250W Dry Wheel Size 150 dia 20mm wide 12 7mm bore uses bushes to reduce to 12 7mm Wet Wheel Size 200 dia 40mm wide 20mm bore uses bushes to reduce to 12mm Speed Dry Stone 2950 rpm Speed Wet Stone 134 rpm Footprint Fully Assembled 250mm High 410mm Wide 320mm Deep gt Hold Down Holes 8mm Fixing Centres 155mm x 100mm Weight 9 Kgs D FREEPHONE 0800 371822 O Identification and Description of the Grinder Grinding Essentially a double ended motor with a mounting base the motor machine flanges mount the wheel guard at the dry stone end and the transition gearbox at the wet stone end The motor base contains the On Off NVR switch Wheel guard A formed metal guard that encloses the grinding wheel It is formed in three parts The inner part is
14. ste from the face of the stone There are a number of preformed notches in the lip of the trough that can be used to rest steady objects being offered up to the stone See page 11 There is a shaped rubber plug which also acts as a stabilising support for the grinder as well as blocking the drain hole See fig 3 ON OFF switch A NVR double button switch panel marked I for On and O for Off The NVR function ensures the machine will not be left in the ON condition in the event of a power failure and subsequent re establishment of the supply Hold down holes Four 8mm holes set in a matrix in the corner flanges of the chassis to enable the grinder to be bolted down to the bench or a stand p www axminster co uk RE Grinder Illustration and parts Description Pd Water trough notches Eye shield spark guard Water trough Grindstones Tool rest Gearbox Rubber plug stabilising foot On Hold down holes O Off 371822 D FREEPHONE 0800 Specific Safety Precautions for Grinding Machines 1 DO NOT operate your machine until it is completely assembled and installed according to the instructions 2 If you are not familiar with the operation of grinding machines obtain advice from your supervisor or instructor or another qualified person 3 Only use dry grinding wheels or attachments rated higher than 3600 rpm with a 5 8 16mm arbor on this machine 4 NEVER use
15. tighten securely Identify the Tool Rest and secure it to the inside face of the wheel cover using the coach bolt star nut and washers provided See fig 1 Hand tool rest Bolts star nuts Identify the Eye Shield Spark guard and fit to the hard point on the top of the stone cover part of the guard using the M5 screw etc provided See fig 2 Identify the rubber bung stabilising leg and press home into the hole in the base of the water trough See fig 3 D FREEPHONE 0800 371822 07 Setting up the Grinder Please read the section entitled Identification and Description of Parts in order for you to understand the terminology that we will use so that you may better understand the working and capability of your grinder Keep this manual to hand for reference for any other personnel that may be required to use the grinder Having assembled all the grinder attachments loosely now the machine has to be set up correctly and all the attachments securely fastened Place the grinder on a flat level surface Position the tool rest leaving a gap of approximately one and a half millimetres between the grindstone and the rest with the rest horizontal preferably tighten the star nut securely See fig 4 AN Remember to adjust the tool rest as the grindstone wears down Adjust the spark guard until it is just clear of the grindstone fasten the fixing bolt securely See fig 5 A Remember to adjust the spark guard as
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