Manual - Northern Tool + Equipment
Contents
1. 7 USE THE RIGHT TOQL Dont force tool or attachment to do a jebit was not designed for 8 ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty Everyday eyeglasses only have impact resistance lenses they are NOT safety glasses 9 MAINTAIN TOOL WITH CARE Keep tools sharp and dean for best and safest performance 10 DISCONNECT TOOLS from the power supply before service 11 AVOID ACCIDENTAL STARTING Make sre swizh is in the OFF position before plugging it in USE RECOMMENDED ACCESSORIES Consult the ovner s manual for recommended accessories The use of improper accessories may cause hazards 13 CHECK FOR DAMAGED PARTS Before further use of the tool a guard or other part that is damaged shouldbe carefully checked to assure that it wil operate properly and perform its intended function Check for agnment of moving parts binding of moving parts breakage of parts mounting and any other conditions tat iy affect ts operation A guard or ather part that is damaged shoul be property repaired or replaced 14 DO NOT USE DAMAGED OR UNSHAPED WHEELS Use grinding wheels suitable for speed of grinder the operator s ear is not over 60 dB A 18 Risk of injury due to acidental starting Do not use in an area Where chidren may be present 19 The weighted root mean square acceleration value to which the arms are subjected to does nat exceed 25 m s GROUNDING INSTRUCTIONS 1 Al grounded cord con2. At this stage the drill bit should have a slip fit and will slide in or out and rotate freely within the chuck See Picture 5 NOTE If the drill bit is held in the chuck too tightly during the alignment process you might not achieve proper alignment Detailed Instru ns Cont B Carefully push the paddle back all the way to the rear and hold it there See Picture 6 C In the bottom of the alignment port is a locating pin See Pic ture 7 and located on the nose of the chuck is a milled slot See Picture 8 To insert the chuck into the alignment port both the pin and slot must be aligned For easier alignment a reference line See Picture 9 has been milled on the O D of the chuck as well as an alignment detent lo cated on to the face of the alignment port See Picture 10 By aligning these two reference points you have properly positioned the locating pin and slot If both are in alignment you will be able to successfully slide the chuck into the alignment port At this point the chuck nose should be en tirely hidden inside the alignment port D Grasp the shank of the drill bit and push it into the chuck to the drill stop See Picture 11 E Release the paddle but continue pushing the drill bit in against the stop The two pawls will close onto the drill bit See Pictures 12 NOTE Short drill bits may be aligned first without the chuck After aligning the short drills slip the ch
3. DISPOSAL PROCEDURES STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED ons cen up procede Wase wal corta nickel Dispose in accordance wth Federa state ad cat regulations protecion as needed see OSHA 29 CFR 1910 134 VENTILATION LOCAL DOIAUST strong preferes MECHANICAL GENERAL eo dude maintain beon TLS OTHER PROTECTIVE EQUIPMENT Use standard precautions Tar grinding operations Sire in des ey area away on cera NORMAL USE Use adequate Sc Seton Vi Getting to know your V390 Before you sharpen your first drill bit Please take a few minutes to familiarize yourself with your new DAREX V390 Drill Sharpener and its basic parts and features shown below The time it takes to read this page and the remainder of the manual will be made up when you sharpen your first drill bits Vacuum Port Wheel Cover int Split Adj Knob Point Split Angle Adj Quick Step Instruction Alignment Port Recommended use The V390 is a light duty sharpener recommended use is 30 50 drills per week Sharpen Two flute twist drill bits SAE and metric HSS Cobalt coated Parabolic Reduced shank drill bits Carbide drill bits require the optional diamond wheel Unlimited maximum drill bit length 1 8 to 3 4 3mm to 19mm ANSI Standards Wheel care Does not require coolants Wheels are superabrasive and electroplated and do not require truing or dressing Cyde t
4. for a one count 3 Pull chuck out far enough to rotate 180 degrees Push chuck slowly back into the wheel for the one count splitting the oppo site side 4 Inspect the drill bit If you wish to increase the split depth ad just the point split depth adjustment knob clockwise and re split D 3 5 wish to decrease the split depth the drill must be re sharpened before adjusting the point split depth adjustment knob counter clockwise and re splitting Point Split Tab Notch ry Darex V390 Detailed Instructions 1f possible the fist couple of dril bits you sharpen should be about 3 8 in diameter or a large enough drill bit to see the detail ofthe point Study the V390 familiarization diagram on page 2 and the dril information on page 1 Various drill bit facts and drill sharpener nomenclature will be referenced in these sections STEP 1 Drill angle identification and sharpener set up A Place the drill in a point angle gauge or mechanic s protractor Note how the cutting lips fit in the gauge A correct fit is when the protractor edges are set flat along the entire cutting edge See Picture 1 B The reading from the gauge will be the angle set on the sharp ener point angle plate Loosen the point angle lock knob and set the sharpening port to the same angle as the drill point Note You may change the drill point to a different angle than your drill tip if you wish See Picture 2 C The Alig
5. on the creating a variety of chuck while rotating it Be sure to complete the grind specialty points Troubleshooting Q The chisel edge on my drill bit is too long and flat A During the alignment process the pawls were not gripping ON the flutes of the drill bit Re align the drill bit making sure that the pawis are centered in the flutes A Too much heel relief Realign drill bit toward the minus setting STIP and resharpen EE Q After sharpening the grind finish on my dril is ought Periodically clean the A Grind finish is initially rough when sharpened on a new wheel grindings from inside the Drill performance will not be noticeably affected However the fin chuck to make sure it will ish will improve as the crystal surfaces wear evenly UM A Rotating the chuck too fast in the sharpening process can cre maintain accuracy ate a rough finish Q Why is my point split uneven Pictures on page 7 Point Splitter Adjustments show drill points that are split Too little Too much and a drill point that is Correctly split STIP A To correct an uneven point split take more material off of the under split flute To do this reinsert the chuck in the splitting tube Sharpen very small with the under split side down Repeat procedure on page 7 Step drills set the material B to correct the split A correct split point should look symmetri removal at the smallest cal The two parallel lines formed by the s
6. or remove the chisel line when splitting the drill point See IIlus tration 21a amp 21b Center Split Adjustment The drill is split using the top edge of the grinding wheel Because y c the grinding wheel is seated on a hub to correct the centering of x se the split you must raise or lower the edge of the wheel by adjust ing the wheel hub height After a wheel change grind a drill and split the drill If the center of the split is incorrect See Illustration 21 the height of the wheel hub will need to be adjusted UNPLUG machine and remove wheel guard cover See Picture 22 Remove the exhaust vent located on the left side af the ma chine See Picture 23 A 5 32 Allen set screw is located on the side of the wheel hub See Picture 24 Using a 5 32 T Handle Allen wrench loosen the set screw counterclockwise Raise or lower the hub to correct the split Moving the wheel hub a small amount will change the centering of the split sig nificantly Illustration C of 21 Under split When the top edge of the grind ing wheel is too low the split will NOT come to center Raise the wheel hub height Illustration B of 21 Over split When the top edge of the grind ing wheel is too high the split will move past center Lower the wheel hub height Tighten the 5 32 set screw replace the exhaust vent and replace wheel cover Sharpen and split drill Repeat adjustment as needed Miustraton B
7. screw counterclockwise unscrew Each mark on the sleeve of the screw will move the drill 002 Rotate the ad just ment screw one half of a line at a time in the point split Spit adjustment process Re split the point then check the results hes Drill point is split too much See Diag C The drill wil ite need to be realigned and re sharpened prior to adjusting Correct split Once the drill is re sharpened turn the point split adjustment knob clockwise approximately one line Insert the drill into the point split port and split both sides of the drill Inspect the drill point If the split is now not deep enough then rotate the ad just ment screw counterclockwise unscrew one half of a line Re sharpen then split the drill point again and check to see if split is correct if not adjust accordingly Split too much Split Angle Adjustment jThumbscrew If the chisel angle of the drill has changed due to the relief ground on the drill then the point split rotational angle may need to be changed To adjust the split rotational angle loosen the thumb screw See Picture 19 located on the point split port Move the bracket slightly to the left of the alignment detent See Illustration 20 This will increase the split angle that is required if the relief has been increased Move the bracket to the right counterclockwise if the relief has been reduced The key to this process is to intersect
8. we sell and will guide you to the best machine for your needs Our skilled technical service department is happy to answer your questions about our products or cutting tools The V390 This limited duty unit is the most economically priced of the Darex Industrial Sharpeners It is designed for the small fabrication or job shop where a lower volume of drill sharpening is required Point angle range is 118 to 140 degrees Size range is 1 8 to 34 3mm to 19mm This sharpener has point splitting capabilities With the standard electroplated CBN Cubic Boron Nitride grinding wheel the V390 will sharpen high speed steel cobalt parabolic and other coated drill bits An electroplated diamond wheel is available to sharpen carbide drill bits The electroplated diamond and CBN wheel will sharpen approximately 2000 drills before replacement is required The Darex V390 is most efficient when used to sharpen drill bits to their original point angle The troubleshooting section of this manual is designed to anticipate many common questions and applications To keep your DAREX V390 in top condition please refer to the maintenance section of this manual Replacement wheel and parts are listed on the parts list on page 11 and 12 A complete schematic breakdown of the machine is on the back page of the manual Table of Contents Page The Darex Story Page Safety Instructions Page Material Safety Data Sheet Page Machine Familiarization Page D
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10. DAREX V390 Drill Sharpener 1 8 3mm to 34 19mm size range OPERATING INSTRUCTIONS The Darex Story Darex Corporation began in 1973 in Beecher Illinois The D A and R of Darex are the initials of three generations of the Bernard family David Arthur and Richard Bernard David and his father Richard founded Darex Grandfather Arthur Bernard who earlier founded the Bernard Welding Company contributed his energy and guidance to Darex until his death Art s inventions revolutionized the welding industry 1n 1978 Darex relocated to Ashland Oregon Grandson Dave and son Dick carry on Arthur s legacy of inventiveness Darex grew to become the most recognized name in the cutting tool sharpening industry Today Darex is a world leading manufacturer of precision cutting tool sharpeners Darex is proud to offer a complete line of quality precision cutting tool sharpeners at affordable prices Before our first days we at Darex had looked at our competitor s sharpeners and asked ourselves Must cutting tool sharpeners be complicated Why must the choice in sharpeners have either cost prohibitive accuracy or low price inaccuracy Our sharpeners prove you can have it all simplicity accuracy and affordability We have always emphasized innovative product design and tested technology The experienced personnel at our modern manufacturing facility use the latest production methods The Darex marketing team knows first hand the machines
11. Mlustration 21 Mlusteation C 4 Wheel oo high Correct Wheel oo low Troubleshooting Q 1 aligned the drill bit and sharpened it but no material gets re moved why ou may have allowed the paddle to knock the drill bit back into the chuck Carefully realign the drill bit in the alignment port again Making sure the cil bit is pushed all the way agers the TF the chisel angle on the tip ril stop d You may not have tightened the chuck tight enough to hold the _ IS too far clockwise realign drill bit in place When the drill bit hit the wheel it was pushed back the drill with a reduced into the chuck Realign the drill bit again using more force to relief setting tighten the jaws on to the drill bit A When changing point angles it may be required to advance the Material Removal Knob to a higher number Realign drill bit at new Material Removal Setting Q I m getting negative relief Negative relief is present when the heel behind the cutting lip is higher than the cutting lip on the drill bit When negative relief occurs the drill bit will not cut To correct this problem move the paddle toward the right try number 2 or 3 for an increased relief setting Realign the drill bit Clean CBN and diamond usi d wheels with an oil less laintain consistent inward pressure on the chuck during the sharpening process Make sure grinding is completed and the SOlWent for example bit has been spa
12. The chisel edge is the line across the point of a drill bit Note that in the drawing seen at right the chisel edge angle is between 120 and 1359 Another way to look at this is to imagine the drill point as a clock face With the cutting lips horizontal the chisel edge should point to the 1 and 7 o clock positions This is the most common drill bit chisel angle WEB The web is the core thickness of a drill point A new drill is typically around 18 of the drill bit diameter As a drill bit is sharpened and becomes shorter the web thickness will increase Splitting the point or thinning the web on a drill bit will maintain drill bit performance yn Ice Angle 118 Cutting Lip 120 to 135 Chisel Edge Angle Flute Length T Heel Web QUICK STEP INSTRUCTIONS Detailed instructions start on page 5 A SELECT POINT ANGLE 1 Determine angle of your drill bit A 1 2 Set point angle from 118 to 140 degrees A 2 3 Set relief paddle to 1 for 118 or 1 for 135 degree point an gles These are starting reference values settings may need ad just ment A 3 4 Set material removal knob from 1 to 4 Approximate removal per digit 005 inch A 4 STIP Check the point angle indicator and make sure that it is set to the same angle as the drill point B ALIGN DRILL BIT 1 Insert drill bit into chuck and close down jaws until drill is supported but free to tum B 1 2 Push the relief paddle b
13. ackward to open the pawis B 2 3 Position the line on the O D of the chuck B 3 with the alignment detent of the face of the alignment port B 4 Insert chuck into alignment port 4 Push drill bit all the way to the back so it touches the drill stop Quick Step 5 Release the paddle and rotate the drill until the pawis grip inside the flutes narrowest width of dril B 5 6 Make sure drill tip is up against stop tighten the chuck Remove from the port C SHARPEN DRILL BIT 1 Turn power switch to on 2 Insert the chuck into the sharpening port with a slight i ting motion C 1 3 Rotate the chuck clockwise in half rotation increments keeping Consistent slight downward and inward pressure on the chuck Let the cam drive the natural in and out motion 4 Continue rotating the chuck until the grinding is complete then remove the chuck from the sharpening port 5 Inspect the drill It may be necessary to repeat steps B and C to complete grinding of the drill point Note do not remove the drill from chuck if the poi be split Proceed to step D to create a split point d Ve TIP Apply light steady pressure while sharpening the drill to prevent excessive heat D spur DRILL BIT 1 Insert chuck into the split port aligning the Point Split Tab Notch D 1 with the Point Split Tab on the split angle adjustment ring D 2 2 Ease the chucked drill bit into the wheel until the chuck hits the depth stop Hold
14. ely Much less thrust is required to drill a hole with a split point as compared to a non split or conventional point You can split either the 118 or the 135 degree points on this DAREX V390 precision Drill Sharpener CARBIDE DRILL BITS This point angle is typically 1305 to 1355 Carbide is harder and more brittle than high speed steel and cobalt This type of drill is used for drilling tempered steels alloys glass etc With an optional diamond wheel carbide drill bits can be sharpened on your DAREX V390 Drill Sharpener equipped with an optional diamond wheel PARABOLIC AND COBALT DRILL BITS These drills have a thicker web than regular drill bits Parabolic drill bits are designed to drill deep holes Cobalt drill bits are for drilling tougher metals They are extra thick in the center web and have split points Often these bits are Titanium Nitride coated TIN is applied to increase a drill bits cutting efficiency Most of these drill bits can be sharpened with your DAREX V390 Drill Sharpener LIP RELIEF ANGLE The relief on a drill bit is the downward angle between the cutting lips leading edge and the heel trailing edge on the drill point If the drill bit cutting lips are not higher than the heel then the drill bit will not cut into the material This is often referred to as negative relief see page 6 The DAREX V390 Drill Sharpener is designed to grind a standard factory relief on your drill bits CHISEL EDGE ANGLE
15. et Us DeoARTMENT OF LABOR ern grove snl Sty a eid under US Sty eati tore Sp puer Siig a Cp baa EMERGENCY PHONE NO 4 18 2224 ADDRESS 280 E Persey Sect Bung Hary ade Dont RVG MaG Product fei Sandara Saras nd 10 Saras amd Nin Ponder TRDE Ve CHEMICAL aL fre Ay rage FORMULAS Wa cy y domm Noc Nate are regulated by OSHA Standard BOILING Pun F ne MELTING on wa Serr eu b iron PRESSURE E EVAPORATION RATE na SOLUBILITY N ren ne Soter IN ALCOHOL na SOLUBILITY mones SOLVENT Ma PERCENT VOLATILE BY VOLUME 34 Na APPEARANCE AND ODOR Seid Cr White To Yelow To Dark Cysts Siver Cr nasi ponr E NERO usen F sweue uvars m ua EXTINGUISHING MEDIA E SPECIAL FRE FIGHTING PROCEDURES E UNUSUAL FIRE AND EXPLOSION HAZARDS ne SECTION V HEALTH FIRST AID AND MEDICAL DATA Fenty ROUTE OF ENTRY nao Ingestan Sun Eyes REAUATON By icai Dust om whee ae INGESTION fa ast symtoms we ate serve oN FIRST AID AN MEDICAL INORMATION BELA tette nse say SK We oru wah vater Obtain medial ep i necessary ENES Fuh or wih water Onlan nese sastane Ne Usted oa carcinogen Avoid long exposure Consult mecical personne for trst aid and medical smen OLrnenzxrio Mayaca d Wine eu a INCOMPATISUITY atras to avd wa tuzaanous COMPOSITIONS PRODUCTS Na CONDITIONS TO BE AVOIDED Contact wh strong asusta endset areas SECTION VIT SPILL LEAK AND
16. for replacement wheels Removing the wheel MAKE SURE THE UNIT IS UNPLUGGED Once wheel cover is re moved insert a Philips head screwdriver into the wheel retainer bolt on the top of the wheel and turn it counterclockwise to loosen See Picture 28 Using a hex wrench remove the bolt and wheel retainer Lift the wheel off of the motor hub See Picture 29 Remove dust particles from the wheel hub and grinding wheel area with a small dry brush Dispose of drill grinding dust in a safe and environmentally approved manner Prior to re installing the wheel make sure to clean all grindings off of hub and wheel Replacing the wheel To re install wheel reverse steps taken to remove wheel Cleaning the chuck Using pressurized air blow grindings out of the chuck from the knob end For further cleaning disassemble the chuck by merely unscrewing the closing knob on the chuck and removing the chuck body Clean the inside of the chuck with a dry paintbrush Do not remove the springs and jaws from the holder Once the inside of the chuck has been cleaned apply a drop or so of light lube on the threads Slide the chuck body onto the jaws rotate the closing knob clockwise to reassemble the chuck See Picture 30 Vacuum tube Optional PP11230TF Ifa vacuum system is available it is strongly recommended to at tach the air vacuum tube to the exhaust of the sharpening port To attach the tube Unplug the machine Remove the wheel cover screws and remo
17. he chuck Align the Point Split Tab Notch on the chuck with Point Split Tab on the point split adjustment bracket Make sure chuck is held in line and square with the point split port See Picture 16 amp 17a amp 17b B Slide the chuck into the grinding wheel for a one count pull the chuck of the splitting port about 1 2 inch and rotate it 180 degrees Repeat B C Use the point splitter depth adjustment screw to feed the drill bit into the wheel See Picture 18 Alignment x Point Split Tab Notch Point Split Depth Adjustmen What to do if the drill point is split too much or too little The point split depth is adjustable The point split adjustment screw is located at the rear of the point splitter See Picture 18 If the drill point is changed at the sharpening port then a slight ad justment under the following notes will need to be made Drill point is split correctly See Diag A Use the posi tion of the split ine on the right side of the drill bit as the ref erence line Compare the position of the right split ine to the left split line If the split line on the right is lower than the split line on the left the drill bit is under split or split too lit tle See Diagram B If the split line on the right is higher than the split line on the left the drill bit is over split or split too much See Diagram C Drill point is split too li B Turn the ad just ment
18. ime Typically a 1 8 drill bit can be sharpened within 15 seconds and a 3 4 drill bit will take up to 60 seconds Material removal is adjustable Motor 115 volt 4 5 amp 60hz 3450 RPM made in USA Machine dimensions 12 x 11 x 9 Packing dimensions 17 x 15 x 11 5 Weight 18 Ibs 8 2 kg Shipping Weight 24 Ibs 11 kg Operating ambient temperature range 4 35C 40 95F Drill Information 118 STANDARD POINT This drill bit point angle is considered a standard general purpose geometry It is used for drilling soft or mild materials such as cold rolled steel aluminum and wood Typically the standard drill bit is made of High Speed Steel HSS The tip of the drill bit can easily be split making it a high performance drill bit 135 HIGH PERFORMANCE SPLIT POINT The flatter point angle of this drill is designed for harder tougher materials such as tempered steels hard alloys or hard cast metals Due to the thicker web and flat point angle this drill point works best when its split point is maintained SPLIT POINTS Split point drill bits do not walk around on the material before they begin to cut This feature is described as self centering Center punching or center drilling is often eliminated A standard drill bit chisel point has to wear an area in the middle of the hole prior to the cutting lips removing material Due to its additional cutting lips along the chisel edge a split point will begin cutting immediat
19. nected tools Inthe event of mafuncton or breaidoun grounding provides a path of least resistance for electric current to reduce the risk of electric shock This tools equipped with an electric cord having an equipment grounding conductor and a grounding plug Te plug must be plugged into a matching outlet that is propery installed and grounded in accordance with all eal codes and ordinances Do nat modify the plug provided t not fit the outlet have the proper outlet installed by a qualed electrician Improper connection of the equipment grounding conductor can result in a fisk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes isthe equipment grounding conductor I repair or replacement of the electric cord plug is necessary do connect the equipment grounding conductor to a live terminal Check with a quale electrician or serviceman f the grounding instructions are not completely understood or in doubt as iether the tool is properly grounded Use only 3wire extension cords that have 3prong grounding plugs and 3 pole receptacles that accept the to s plug Repair or replace damaged or worn cord immediately See table 1 minimum gauge cord below 2 Grounded cond connected tools intended for use on a supply Sicut having a nominal rating less thantS0 Thie tool is intended for use on a circuit that has an outlet that looks lke the one lust
20. nment Paddle is set to achieve heel relief It will be set at different settings as you sharpen drill bits with different helix an gles If your drilling operation requires more relief for faster drill ing or drilling softer material usually 118 degree point set the alignment paddle to the plus direction at one 1 or two 2 If more accurate holes are required or harder material is being drilled 135 degree point angle set the alignment paddle at the minus direction at one 1 or two 2 The alignment tube is now set to time the drill bit See Picture 3 Note For more information on increasing or decreasing relief on a drill bit See page 6 Step 3 About Relief Settings for more discussion and applications D Set the material removal knob to 1 mark See Picture 4 At this minimal setting the material removal will be approxi mately 005 to 010 Each number past 1 on the knob will add another 005 removal to the setting If the cutting lips are very dull or chipped more material will need to be removed STEP 2 Aligning the drill bit for sharpening A Turn the chuck knob counter clockwise CCW to open the chuck jaws until you can insert the drill bit into the chuck Once the drill bit is inserted into the chuck turn the chuck knob clock wise CW this will dose the chuck jaws onto the drill Tum the chuck knob until it stops then loosen the chuck jaws slightly by Suy turning the chuck knob CCW
21. plit should have a sepa A ration of 002 to 005 on the chisel angle P fH amount of material Q Can I sharpen left hand drill bits A Not with this unit However Darex Industrial does offer other precision drill bit sharpeners that will sharpen left hand drill bits They can be reached at 1 800 547 0222 or online at m http www darex com Q Motor stops running won t restart While aligning the drill The motor will shut off when the following occurs make sure that the spring A The wheel is jammed and the motor is stalled Push the On Off m switch to OFF and unplug the electrical cord Remove the wheel steel pawis are fully inside cover and check to see if the wheel rotates freely Make sure that all grindings are cleaned out and no obstructions are in the wheel cavity area Once this is done and the wheel turns freely plug the machine back in to the electrical receptacie and follow the restart ing procedures A The machine is tipped at an angle or is turned over An extreme voltage change occurs to the motor A Too heavy of use for an extended time the motor overheats A If the motor is short circuited for any reason When the motor shuts off from any of the above reasons reset the on off switch to The motor should restart If motor does mot start allow the unit to cool down for approximately 30 minutes Then push the ON switch again NOTICE The V390 Drill Sharpener is equipped with multiple safet
22. rated in Figure A The tool has a grounding plug that looks the pug stated in Fgure A A temporary adapter wich looks ke the adapter iustrated in Figures B and C may be Used except in Canada to connect this plug to a 2iole recepace as shown in Figure B ia properly grounded outlet is not avalabie The temporary adapter should be used only until a property rounded outlet can be installed by a qualfedelecrcan The green Coord rigid ear lug ete extending fam tne adapter must be Connected to a permanent ground such as a propery grounded butt box See Fig 1 Grounding methods below 3 Grounded cord connected tols intended for use on a Supply cre having a nominal rating between 150 250 volts ind sve See Table 3 Minimum gauge for cord below Table 1 Minimum Gauge Cords 1S NEVER LEAVE TOOL RUNNING UNATTENDED Tum power off USE PROPER EXTENSION CORD Make sure extension cord i in goed condition When using an extension cord be sure to use one Peavy enough to cary the current the Dril Sharpener will draw An undersize cor wil cause a drop in line voltage resulting in a loss of Power andor overheating 17 The continuous A weighted equivalent sound pressure level at Grounding Pin Fig 1 Grounding e F methods 8 y Cover of Grounding Pin grounded x outlet box Material Safety Data She
23. rill information Pages Quick Step Instructions Pages Detailed Operating Instructions Page Machine Adjustments Pages Troubleshooting Page Maintenance Instructions Page Parts List Safety Instructions WARNING REMEMBER FOR YOUR OWN SAFETY READ INSTRUCTION MANUAL BEFORE OPERATING TOOL AND SAVE THESE INSTRUCTIONS Hear Eye Protection Never touch internal parts of the sharpener when the sharpener is on The rotating grinding wheel can cause injury Use causan when replacing the grinding whee Folow instructions entitled Replacing The Grinding Wheel in this Instruction Manual Regularly empty accumulated grinding dust Follow instructions ended DAREX V390 Maintenance in this Instruction Manual WARNING WHEN USING ELECTRIC TOOLS BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO PREVENT THE RISK OF FIRE ELECTRIC SHOCK AND PERSONAL INJURY INCLUDING THE FOLLOWING 1KEEP GUARDS IN PLACE and in working order Never perform grinding operation with the wheel cover removed 2 REMOVE WRENCHES Form a habi of checking to see that the renc is removed from tool before turing ton 3 KEEP WORK AREA CLEAN Chttered areas and benches invite accent DONT USE IN DANGEROUS ENVIRONMENT Do not use power tools in damp or wet locations or expose them to rain S STORE EQUIPMENT n a safe piace when not in use Keep out of reach of chidren 6 DONT FORCE TOOL It wil do the job better and safer at the rate for wich t was designed
24. rked out Grinding noise reduced to a minimum automotive cleaner The Material Removal Knob may be set to remove too much material Reduce amount of material being removed from the end of the drill bit by setting the Material Removal Knob to a lesser number Realign drill bit and sharpen Q Why is the drill point off center If the tip of the drill bit ap pears to be sharpened off center check the following items Make sure that there are no particles between the chuck jaws tT and the drill bit which could hold it off center IP Make sure the closing knob is tightened firmly enough to hold Sparking out drill bits while ths dl bit on certe K AN Sharpening improves drill uring the sharpening process be sure not to push unevenly Bs while rotating the chuck point concentricity A The drill may be bent Roll it on a flat surface to check for straightness Spark out the drill bit Q Why don t my drills align correctly like the correct diagram There may be a burr on the drill shank remove burrs with a fiat file The drill may be too loose or too tight in chuck Q What can I do about the fiat spot between the lip and the heel STIP The flat spots or chattering on a sharpened drill is the result of an incomplete or irregular rotation ofthe chuck in the sharpening Darex manufactures other port To correct apply firm not excessive inward pressure and ro Sharpeners capable of tate the chuck smoothly while sharpening Do not lift up
25. uck over the drill bit and into the alignment port and tighten the chuck jaws securing the drill bit Before removing the chucked drill bit from the alignment port com pare the position of the drill bit against the pawls with the correct a illustration See Ilustration 12b F Look down into the viewing port in front of the paddle Note the location of the two spring steel pawis Rotate the drill bit until the pawis slip in and grab the flutes at the narrowest point See Pic Je 8 V7 4 4 ture 12 and Illustration 12b Continue to push the drill bit against the drill stop G With the drill point against the drill stop and the paws in the flute of the dril use the other hand to tighten the chuck by tuming the chuck knob clockwise Push the paddle back again to release the drill bit and remove the chuck and drill from the alignment port Snug the chuck knob clockwise using both hands to secure the drill it STEP 3 Sharpening the drill point A Push the Drill Sharpener switch to the ON position Incorredt Correct Detailed Instructions B Insert the chuck into the sharpening port While lightly pushing in and down rotate the chuck clockwise in half rotation incre ments See Picture 14 The chuck will move in and out and the sharpening port will slightly swing during this process Let the cams on the chuck dictate the natural in and out sharpening mo tion NOTE The sharpening port is swinging d
26. ue to the cam on the chuck riding against the cam follower bearings DO NOT LIFT THE CHUCK UP AS YOU ROTATE IT The initial grinding occurs when the valley of the feed cam rides against the in feed cam bearing See Picture 13 Once the grinding becomes quiet sparks out the sharpening is complete Inspect the drill point and if it does not have adequate relief see the next paragraph DO NOT REMOVE THE DRILL FROM THE CHUCK IF THE POINT IS TO BE SPLIT About Relief Settings After aligning and sharpening the drill bit if the relief needs to be increased or decreased then the following procedure is required A Rotate the alignment paddle from 0 to the plus side num bers of 1 2 or 3 to increase the relief setting The fur ther right the paddle is moved the more relief the drill will have after aligning and sharpening B To decrease relief move the paddle left to the Minus side at the 1 2 or 3 location The further left the paddle is moved the less relief the drill will have after aligning and sharpening C See Illustration 15 STEP 4 Sp You can split any drill point that the V390 is capable of sharpening See below Point Split Port Adjustment diagrams and definition of a properly split drill point ng the drill point La When adjusting the Point Split Port make sure the leave 002 to 005 between the split Machine Adjustments A Once the drill is sharpened do not remove it from t
27. ve the vacuum port plug See Picture 31 In sert the vacuum tube into the groove in the port See Picture 32 Re install the screws that hold the wheel cover down Attach a vacuum source to the 1 1 4 diameter tube Maintenance Cleaning the electroplated CBN or diamond wheel These wheels are maintenance free No truing or dressing is re quired on these type of wheels However wheels should be cleaned on a routine basis After removing the wheel from the unit saturate with any type of oil less solvent such as Automotive Brake Cleaner If you wish to you can use a soft bristie brush and lightly brush the wheel after saturation re saturate the wheel to remove any debris that was loosened NOTE If the wheel performs as though it needs changing it may just need leaning Changing the light bulb Unplug machine Lay machine on it side See Picture 33 Remove screws and the bottom cover plate See Picture 34 The 10 watt bulb is held in a bayonet lamp receptacle See Picture 35 To remove push in and twist bulb counter clockwise See Picture 36 Remove bulb To replace the bulb Align the tang on the bulb with slot on recep tacle Push to the back and turn clockwise 2 SA02184EA 115 125 volt 10 Watt Bulb 1 PPO218SEF 230 volt 10 Watt Bulb International units 1 PPO2183EF 230 volt 10 Watt Bulb German amp French units only 1 SA02186EA Bayonet Lamp Receptacle 115v amp 230v 1 Auo spun youss
28. y features which turn the motor off when certain occurrences happen to the machine For example turning the machine on its side will cause the circuit breaker to trip Machine must be placed upright If the unit won t start by following the above procedures call Darex Corporation at 1 800 547 0222 and ask for Technical Service DAREX V390 MAINTENANCE Cleaning the DAREX V390 Unplug the Drill Bit Sharpener Using a dry paintbrush or a cloth ean the inside and outside of the Alignment Sharpening and Splitting ports to remove any grindings that may have accumu lated See Picture 25 The attachment of a vacuum with a stan dard vacuum hose works well to keep the grit area clean See Vacuum Tube below Removing the wheel cover Unplug the Drill Bit Sharpener Using a 3mm hex wrench remove the three hex head screws holding the wheel cover on See Pic ture 26 Lift the wheel cover off and with a dry brush remove any grinding dust See Picture 27 Determining if a whee change is required 1 Sharpened drill bits will burn or turn blue no matter how fast or slow you rotate the chuck 2 Upon inspecting the wheel it appears smooth as if there is no abrasive See Cleaning the electroplated CBN or diamond wheel 3 When sharpening a drill bit if it takes an extreme number of ro tations to sharpen the tool then the wheel will need to be re placed Contact the company or distributor where the sharpener was purchased
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