OPERATORS MANUAL - Landis International Inc.
Contents
1. Be sure both wheels are tight and there are no chips in the left wheel Damaged wheels can fly apart and cause serious injury Adjust the two finger and two tongue guards to a maximum of 1 16 inch clearance between the wheel and the guards Plug machine into a 3 wire grounded receptacle only Stand aside and let it run for one minute before using it the first time Follow this step also after replacing a grinding wheel SAFETY CONTINUED Use safety glasses and face mask to catch dust and grit Glasses provided are only for pro tection from flying grit and not intended for pro duction work with danger from flying parts MACHINE MAINTENANCE NEVER OIL any part of your scissors sharpening machine Motor bear ings are sealed ball bearings Arm bearings are self lubricating and need no lubrication Brush off grit as necessary Replacement of wom wheels on page 10 Ifclamp movement becomes stiff or difficult loosen angle knob and clean the grit out As the wheels wear adjust the two finger and two tongue guards to maintain the maximum 1 16 inch between the wheels and the guards After changing wheels dressing wheels or adjusting the two finger and two tongue guards make sure eye shields are in place and se curely fastened HOW TO CHANGE THE WHEELS Remove the three screws holding the end cover with a 2 Phillips screwdriver Take cover off Loosen the nut holding the wheel with2. Wheel Flange 10200 4 Wheel Nut Right 10600 Rocker Switch 10400 0 25000 25280 Wheel 252 el Arm Assembly 40000 Wheel Flange 10200 Wheel Flange 10200 Hee Wheel Nut Left 10700 Upright 34000 Standard Lower Jaw 33004 Wide Lower Jaw 33003 Narrow Lower Jaw 33005
3. long often with plastic handle BANDAGE SCISSORS THREAD CLIP also called a nipper gt 29 CONVERTING FROM 110 VOLT TO 220 VOLT WARNING UNPLUG THE SHARPENER FROM POWER SOURCE BEFORE ATTEMPTING TO CHANGE THE SETTINGS To convert the Twice as Sharp scissors sharpening system from 110 volts to 220 volts 3 Find the wire nut with the y and yellow wires from the motor windings and the white wire from the line cord and red wire from switch po sition 3 Remove the yellow wire and reconnect the other three 4 Connect the yellow and black wires from step 2 and 3 together with a new wire nut 5 Install the base plate and four feet Plug machine into 1 Turn the sharpener on its back Remove the four feet from the bottom of the sharpener Remove the base plate to expose the current connections 2 Find the wire nut with the black and red wires from the motor windings and the gray wire from switch position 2 Remove the black wire and reconnect the other two a 3 wire grounded receptacle only and check out the sharpener for proper operation 30 Balance Bearing Bow Bumper Carbide Carbon Steel Cast Ceramic SCISSORS AND SHEARS TERMS DICTIONARY The final adjustment steps of scissors and shears sharp ening are referrec to as balancing or finishing Any material between the screw and the blade it pivots o
4. Silencer Sintered Metal Sizing Stainless Steel Stamped Steel Tang Titanium Twist Shears are usually larger than scissors and have room for more than one finger and the thumb see Bumper Made in a powdered form scissors are pressed to shape then hot isostatic pressed to form a solid piece of metal Sizing is setting the overlap of the blades especially the tips Stainless steel is made from steel with 11 to 18 chro mium added for high quality and hardness Stainless steel shears have about 16 to 18 chromium Also the addition of manganese and molybdenum add hardness and toughness Cobalt may also be added for improved feel and toughness The shears blades are stamped from rolled steel using a formed die These are the lowest cost shears to pro duce and are often very durable but may not be as smooth feeling Most plastic handle fabric shears are made this way Iron with carbon and other elements added An extension beyond the end of a scissors handle that provides a finger rest would be considered a tang Some tangs are removable see SCISSORS SHEARS Titanium is a gold colored microscopic coating added to shears to improve wear life In some scissors the set of the blades is provided by twisting the blades toward one another This is common in many European scissors see SET PARTS LIST FOR SCISSORS SHARPENER Eye Shield Motor 20100 98 10000 Ji
5. a box wrench Hold the wheel between your fingers when loosening or tightening never put side pressure against the wheel The left wheel has a left hand nut and loosens clockwise Remove wheel and replace with factory wheel Paper blotters must be on each side of wheel Never use without blotters Tighten nut firmly and turn by hand If wheel has too much side movement loosen rotate and retighten until you get the least amount of side Flange Flange Sharpening Wheel Left Hand Nut Ta movement Replace cover and screws Never run Bas sharpener without covers on Anew wheel must El be allowed to run for at least one minute before us 20 ing Do not stand in front of sharpener during the BI 5 firstminute Never use cracked or chipped wheels B g DRESSING AN OUT OF ROUND WHEEL This may be necessary during the life ofthe wheel if scissors bounce or chat ter Small grooves in the wheel will have no effect on sharpening Use the same steps when replacing the honing wheel If machine vibrates loosen and rotate wheel s until it runs smoothly 10 STEPS TO SHARPEN SCISSORS amp SHEARS STEP 1 HONING DAMAGED SCISSORS Test scissors by opening and slowly closing to feel for nicks Nicks and rough spots should be removed before sharpening Slide the rectangular pink hone down the inside of the damaged blade as shown Hold hone almost flat Hone as little as possible as it dulls
6. be made twice as sharp as most brand new Scissors IMPORTANT DO NOT LET BLADES TOUCH EACH OTHER DURING THE FIRST TWO CLOSINGS STEP 9 HONING Clamp scissors again as you did to sharpen then lift clamp out of the bearing hole and turn clamp upside down Swing top arm to the right to hone on the right hand wheel Slide the blade against the right wheel with firm pressure several times Slide from pivot to tip stopping when the tip is in the center of the wheel Repeat several times until a light honing burr is created Remove scissors and close the blades cutting off the tiny honing burr DO NOT SPREAD THE BLADES CLOSE THE SHEAR TO CUT OFF THE BURR THEN HONE THE SECOND BLADE IF NEEDED CLOSE THE SHEAR AND CUT OFF THE HONING BURR ITICAL It is normal to hone one blade to prevent slide However on pinkers grooming shears and shears used to slide cut both blades are honed Tf scissors do not cut properly repeat the honing step 9 Remem ber if you are honing both blades you must close the shear after each blade STEP 10 TESTING Your scissors are now sharp Close several times nor mally then wipe clean with cloth and test as follows Pinkers embroidery Kitchen Fabric scissors Knife edge Paper sciss Barber 1 to 2 layers 8 to 11 oz double knit 3 to 4 layers 8 to 11 oz double knit 6 or more layers 8 to 11 oz double knit 2 to 24 layers 8 to 11 oz double kn
7. cut properly check to see that blades are crossing each other rehone If the comb blades are damaged you may hone them You may re move the slots when you hone the comb blade 24 HIGH PERFORMANCE BEAUTY SHEARS Many Japanese and German beauty shears require special sharpen ing methods Convex blades should be sharpened on the OOKAMI GOLD sharpening syste If your machine is not equipped with the professional honing wheel you SHOULD install one in place of the regular buffing wheel This wheel makes shears up to 50 sharper and most of the time honing buffing is cnough to re edge without grinding This is the best way to sharpen professional shears BE CAREFUL as these edges are as sharp as razors Practice first on several pair of inexpensive stainless shears trying a 35 to 40 angle If hairdressers like your sharpening of these then you will have no problem with high quality shears This is the safe way to start A Match the original angles as closely as possible by placing the clamped shear against the sharpening or honing wheel MOTOR OFF and adjust angle to match the cutting edge You also can measure the angle with the angle gage that comes with your scissors sharpener Older shears with flatter angles may be improved by increasing angle to at least 35 B Grind shears only if they are very dull or if you are making a steeper angle If you do grind do it VERY LIGHTY until you feel a slight burr Do no
8. hardness is measured using the Rockwell C scale Shears 54 60 occasionally 61 62 Files 60 62 Drill Bits 2 5 The inside of a hollow ground scissors blade from the cutting edge to the back of the blade is concave or hol lowed out This hollowed out area produces a lined inside edge which gives a smoother feeling cut Less metal to rub Most finer high quality barber and beauty shears are ground this way This isa metal hardening process Stainless steel is heated to almost 2000 F and then cooled to about 100 F All quality shears are ice tempered even if not marked Scissors and shears are measured overall from tip to the end of the handle including any tang The blades must cross one another overlap all the way to the tip to perform the cutting action see SIZING A pivot can be any fastening device that holds the scis sors blades together The ride is the area just behind the pivot and where the two blades come together see SET Scissors are usually smaller than shears and only have room for one finger and the thumb The set of the scissors is the amount of gap between the blades With the blades closed only the tips and the ride actually touch The set provides the spring pressure that causes the blades to stay touching during the cutting action Too much set and the blades cut into one an other or are very tight Too little and the material being cut folds between the blades 33 Shears
9. the edge and must be done before sharpening CORRECT Honing tool should just clear inside a of blade 1 STEP 2 SELECTING ANGLES The following angles are used on most scissors today and produce the greatest customer satisfaction Sharpening old scissors with the new angles produces the desired cutting ability Scissors that have been previously resharpened were often done at the wrong angle gt lt SHEARS ARE NEVER TO BE SHARPENED AT NEGATIVE ANGLES USES TYPES OF SCISSORS AND SHEARS 0 Children s safety scissors Sa Pinking shears 0 if they have been ground flat or negative 10 Castiron paper shears and many surgical On surgical itis best to measure angle and match 20 Bandage shears Low priced imports are often soft steel and must be sharpened at flat angles to hold an edge 25 Embroidery cuticle nail grass and hedge trimmers most blades with cutting lengths of 1 or less Professional beauty and barber page 24 For sharper edges on short scissors such as embroidery 35 Most fabric shears 7 or longer tailor and industrial shears 40 Sharper edge for heavier cutting 50 Knife edge normally one blade 50 and the other blade 20 see page 24 For thick hard to cut material 50 to 55 NOTE Steeper angles actually stay sharp longer on good quality shears When in doubt on angles use the plastic angle gage available from fact
10. OPERATORS MANUAL TWICE AS SHARP Scissors Sharpening System TABLE OF CONTENTS SUBJECT PAGE Background Technical Support Trademark usage Guarantee Table of contents Parts names for Scissors and Shears Sharpener Parts included with the Twice As Sharp Set up and safety oka Machine maintenance How to change the wheels Dressing an out of round whee SSVPADEWWWH Steps to sharpen scisssors and shears Step 1 Honing damaged scissors Step 2 Selecting cutting angle Special angles for indust Step 3 Setting cutting angles Step 4 Installing clamp Step 5 Clamping sci Step 6 Sharpening s Pinking shears Step7 Repeating steps 5 amp 6 Step 8 Deburring or breaking in newly sharpened scissors Step 9 Honing scissors Step 10 Testing Step 11 Lubricating and cleaning Sharpening for profit na a a Special instructions for left handed shear ors TABLE OF CONTENTS SUBJECT PAGE Reconditioning of scissors and shears Making tips match Finishing the tips Balancing shears or setting free fall Screws Rivets Checking the set of the blades Knife edge d Professional barber she Hair thinning shears High performance beauty shears Wood bone and other chisels Sewing machine cutting knives Carbides Scissors types Converting from 10 volt to 220 volt Scissors and shears terms dictionary Parts
11. amp The wide clamp may be too wide for some applications so it is sold as an extra item WOOD BONE AND OTHER CHISELS Most chisels have angles of 45 to 50 If the angle is more than 55 which is the maximum clamp setting set the clamp to the maximum angle and move chisel higher in the clamp until it matches the sharp ening wheel with motor off Turn the machine on and sharpen until you feel a small burr at the cutting edge then deburr as described above with pink hone without removing chisel from clamp Then turn over and readjust the chisel in the clamp so the edge is centered on right wheel with motor off Turn the motor on and hone the chisel until a light burr is created Hone burrs away from cutting edge with pink hone for best edge 26 Note Some sewing machine cutting knives can be sharpened on the Twice As Sharp SEWING MACHINE CUTTING KNIVES You should match the original angle Place the cutting edge parallel to the face of the clamp then slide as straight as possible across the face or if ary the side of the wheel Don t wear the wheel too thin if side sharpening Without removing from the clamp hone the burr away from the edge with pink hone Next turn clamp over to the hone position and polish the blade on the right wheel Hone burr away again from edge using the pink hone neces CARBIDES Today many special tools and cutting devices are being made of carbide due to its hardness and long life Som
12. aterial hair fabric etc from sliding These are found mostly on pet grooming or low priced barber and beauty scissors The length of cutis measured from the pivot to the tip on scissors and shears Forged shears are stamped to shape while the metal is red hot soft This produces high carbon shears that are good to high quality Most large tailor and industrial shears are made this way Free fall is the measurement of how far the scissors close while holding one blade tip pointed up and letting the other handle drop This may be considered the point where the blades contact each other Martinsitic hardenable steels are heated to 1550 F for carbon steel and 1950 1975 F for stainless They are then quenched rapidly Carbon steel is usually cooled in salt pots by immersing blades to just past the ride This leaves the handles soft so that they can be bent to size the tips Stainless steel is often done the same way When stainless is hardened in a vacuum oven the entire blade and handle are hardened It is hard to bend these handles without breaking them After quenching blades are cooled to about 100 F This converts retained austinite soft particles to hard martinsite The steel is now very hard but extremely brittle and must be drawn in an oven at 375 400 F for about 1 hour to make it flexible ductile Hardness Hollow Grind kee Length Overlap Pivot Ride Scissors Set Metal
13. ces on barber and grooming shears are based on using the professional honing wheel Occasionally you will find scissors that have defects that will not sharpen out We suggest you do not waste time Simply return them to the customer without charge The shears should be better than they were and the customer will not be unhappy If you sell scissors and shears you may be able to make a sale We recommend using the OOKAMI GOLD sharpening system to sharpen salon shears These shears are hollow ground with a convex cutting edge SPECIAL INSTRUCTIONS FOR LEFT HANDED SHEARS On true left handed shears the blades are reversed The thumb blade is on the right side of the finger blade Note Be careful of some scissors that claim to be lefts but are really right hand blades with left hand handles 1 Set the angle at which the scissors are to be sharpened and put the clamp in the hone position hone is up and readable 2 Clamp the scissors with the outside of the blade fac ing upward handles to the left 3 Sharpen the blades and re move the burrs as you would with right hand scissors 4 Leave the clamp in the Hone position when you move to the polishing wheel 5 Hone the blades on the right hand corner of the hon ing wheel with your left hand 6 Test the scissors and per form finishing steps RECONDITIONING OF SCISSORS AND SHEARS After reshar
14. e surgical scissors have carbide inserts Two things tell you that itis carbide first its gray color second if you try to sharpen it the sharpening wheel will wear rapidly and the car bide won t grind away You must use silicon carbide or diamond wheels Diamond is the best but for limited use silicon is suitable Call the factory for recommendations on the type of wheel and grit to use The fac tory diamond wheels are the more expensive type made to sharpen both steel and carbide SHARPENING CARBIDES Match the angle and sharpen Carbides are so brittle that they do not create burrs so it is not necessary to deburr on the right wheel The cutting angle is usually quite flat 10 to 30 A 240 grit diamond is suitable for roughing but good edges require 400 to 600 grit Dia monds cut quickly so do not over sharpen 27 SCISSORS TYPES SCISSORS TYPES Scissors are usually short and only have room for one finger in each handle Shears are longer and have room for at least two fingers in one handle NAIL or CUTICLE EMBROIDERY curved blades 2 sharp points often with plastic handle BARBER or BEAUTY S07 POULTRY GROOMING often with ball at tip 5 to 10 often with safety tip STRAIGHT TRIMMER 5 to 10 long often with plastic handle HAIR THINNING HIGHLEVERAG short cutting blades with large handles PINKING SHEA CARPET SHEARS handles bent to allow blades to sit flat BENT TRIMMER 6 to 14
15. in the positions shown NOTE Scissors pliers are available from your sup plier or factory Pliers help prevent damage to screw heads Screws The use of a scissors set screw pliers is important to keep from dam aging the head of the screw Squeeze the pliers firmly before turn ing If the screw is smaller than the blade remove the bit and install the correct size bit A drop of scissors lubricant should be applied to the back of the screw so it will turn easier A drop of lubricant under the head will clean out foreign matter from the pivot so free fall ad justment won t change If you need screws assortments are avail able from the factory 22 Rivets To loosen blades place head of rivet over a hole in a block of steel or open vise 3 8 opening and tap back of rivet with hammer To tighten the blades place head of rivet on steel block or vise and tap back of rivet with hammer ALWAYS USE LUBRICANT under the screw head before you ad just Barbers may like their shears looser to reduce fatigue but loose shears may not cut correctly as they tend to spread apart LF THE SHEARS STILL DO NOT CUT CHECK THE SET OF THE BLADES With the shears closed there shculd be daylight between the blades where only the tips and the ride area are touching The blades should also flow in a positive curve no dips or kinks Any problems with the set of the blades should be adjusted and the shears re tes
16. it ve test on 2 layers of newspaper 1 layer paper towel hair if available Hair thinning shear 1 layer of 20 Ib copy paper Surgical shea layer of latex rubber Some latex has talcum powder on it and must be wiped off hoth shears amp latex Cutting 1 layer of heavy nylon tricot will test for burrs If scissors do not perform properly hone or resharpen if needed With a little practice you should be able to sharpen 20 to 30 pairs an hour STEP IH LUBRICATING AND CLEANING Put one drop of scissors lubricant Part 20700 on the pivot and along the blades Wipe off excess fluid and lint This lu bricant dries quickly and will not stain or attract lint as oils do It also improves pivot life and feel The film it leaves on the blades helps stop rust Lubricant fur nished with this machine is available as a replacement part SHARPENING FOR PROFIT With this sharpener you can do professional work and should charge accordingly Approximate retail prices for 1998 1999 are as follows 3 00 to 5 00 4 00 to 7 00 5 00 to 7 50 3 50 to 4 50 Small scissors embroidery etc Fabric shears 7 to 9 Industrial shears tailor 10 to 12 Kitchen paper shears Pinking shears 5 00 to 7 00 Knife edge or spec 5 00 to 7 00 Professional barber and grooming shears 5 00 to 15 00 You will charge the lower charges when the shears retail from 35 00 to 50 00 Above pri
17. list for scissors sharpener Limited Warranty Disclaimer PART NAMES FOR SCISSORS AND SHEARS SHARPENER SAFETY INDUSTRIAL SHIELDS GRADE SHARPENING BALL BEARING WHEEL MOTOR CLAMP FREE HONING KNOB FLOATING WHEEL ARM SCISSORS MOUNTING HOLE CLAMP Machine may be bolted or attached to table or carrying case 4holes 6 provided PARTS INCLUDED WITH THE TWICE AS SHARP DESCRIPTION QUANTITY Twice As Sharp scissors sharpener Scissors Clamp 30004 Operators Manual Instructional Video Scissors Lubricant 20700 Scissors Sharpening Sign 20400 Pink Hone 20600 Dressing Brick 20620 Angle Gage 23000 Hex Wrench 20500 Dust Mask 20200 Safety Glasses 20300 Safety Shield 20100 Screws for Safety Shield Washers for Safety Shield gt TRIQATI S ae E w1 SET UP AND SAFETY Inspect machine for shipping damage Look or broken or bent parts Notify freight carrier if damaged Assemble plastic eye shields as pictured Attach to the machine with screws provided NEVER OPERATE MACHINE WITH OUT EYE SHIELDS IN PLACE Bottom arm set is fastened to the ma chine with a friction adjustment Pull arm set straight forward for sharpening position If bottom arm ever loosens tighten with hex wrench provided until it moves but with quite a bit of resistance
18. n isa bearing This may bea nylon washer ora tiny ball bearing see Set Between the handles at the point they touch of fine barber and beauty shears there is often a small rubber or plastic shock ebsorber called a silencer or bumper This serves as a stop for the shears and keeps them quiet as the handles come together Carbide is fine particles of metal combined with carbon Itis harder and more brittle than hardened steel Be cause of its hardness it is used for masonry drill bits and metal cutting saws Carbon steel is iron Fe with about 5 8 carbon added for hardening A carbon content that is too high causes extreme brittleness Casting is metal soured into molds while heated to a liquid state This is not commonly used except for cast iron shears Ceramic is a porcelain like material usually with a high alumina content pressed from a powder and fused ata high temperature Ceramics are very hard and have a Jong wear life but are also brittle and subject to break age and chipping Ceramic shears are best returned to the importer for sharpening we Convex Blade Corrugation Cut Length Forged Free Fail Hardening w ns The outside ofa convex blade flows rounded into the cutting edge withoutan obvious bevel This adds strength to the blade and cutting edge Corrugations are small teeth on the scissors cutting edge one or both blades that provide holding power to keep the m
19. ory Plastic gage prevents damage to cutting edges SPECIAL ANGLES FOR INDUSTRIAL SHEARS CUTTING USAGE TYPE SHEAR 45 Canvas amp heavy leather usually 10 to 14 50 amp 20 for knife edge shears 15 25 Fiberglass quartz any type shear Note glass is harder than steel and quickly breaks edges 35 Kevlar aramid any type polish 1 blade Note shears require heavier set and often corrugation on blade to stop slide This is difficult material to cut Kevlar is a registered trademark of Dupont Contact factory for more details Match Surgical any type measure angle 10 15 Tin snips long length heavy metal 15 20 Tin snips short length thin metal 35 Poultry regular cutting evisceration polish both blades Match Synergist coated any type match manufacturer s angles Special problems contact factory at 800 888 3832 Set angle by STEP 3 SETTING CUTTING ANGLE this line Loosen small black knob and move the clamp to the desired angle The angle is determined by the break line space be tween the upper and lower sections of the clamp NOTE Sharpen all scis sors with the same angle setting before resetting the angle to save time Small variations in angles won t noticeably affect cutting STEP 4 INSTALLING CLAMP Place scissors clamp in the hole in the top arm The word SHARPEN must be on top as pictured STEP 5 CLAMPING SCISSORS Place scisso
20. pening it adds value to your work and satisfaction to your customer if you check the following items Making Tips Match Soft or Plastic Handled Shears Grind material from handle so that tips meet and cross slightly Metal Handled Shears Bend the handle as shown by placing the thumb handle on a vise or steel block and hitting with a hammer until the tips cross each other slightly If you over bend turn the scis sors over and bend back WARNING Cast iron shears are brittle and will break Cast iron has a coarse grain structure and can be seen by looking between blades behind the screw You can also test by filing on the handle If metal is hard don t attempt to bend Metal should file away easily to signify being able to be bent Finishing the Tips With scissors closed press the tip of scissors straight into grinding wheel This insures that both blades match Be careful not to over do this Polish the back of tips to prevent scratches and snags Open scissors and hold the outside of the tips against the honing wheel Hone as pic tured 2 Balancing Shears or Setting Free Fall Set free fall by holding one handle vertically and allowing the other blade to fall freely from a fully open position The blades should begin to touch slightly at position shown Adjust screw or tap on head of rivet to tighen or loosen blades as needed Let this blade fall free It should begin to tighten
21. rp when new grind is across the full V grooves and tips of V s come to a sharp point Dark area at top of blade is where the pinking shear will cut Pinking Shear Lap Line Light area at bottom of blade where pinking shear does not cut If the lap line is not visible do not attempt to sharpen Sharpen pinker through step 8 and test cut on 1 2 layers of cloth If they cut stop if not do step 9 for both blades 15 STEP 7 REPEATING STEPS 5 amp 6 Release scissors by loosening large black knob Turn scissors over and repeat steps 5 amp 6 unless the other blade has serrations you don t wish to grind off Serrations are useful on kitchen poultry thinning shears and a few barber shears Shears can be serrated with the diamond corrugating file after sharpening STEP 8 DEBURRING NEVER CLOSE SCISSORS THAT HAVE BEEN NEWLY SHARPENED UNTIL YOU DO THE FOLLOWING Both sides have now been sharpened and have burrs on them which require careful removal to prevent dam age to the cutting edges On the first two closings the blades MUST be pushed apart while closing If the burrs cut into each other the cutting edge will be dam aged Press the blades together firmly while opening the scissors to pull the burrs back from the cutting edge EXCEPTION To deburr cast iron shears cut through paper do not spread blades apart All sharpening creates burrs but with proper handling scissors can
22. rs in clamp Be sure that the inside of the blade is facing you up as pictured on the right Tighten large black knob until scissors are held firmly Small scissors may be clamped on handle or pivot True left handed shears see page 20 You won t be able to clamp left handed shears with inside facing up For the most accurate sharpening the blade should protrude about 3 16 inch above the clamp Teeth on pinking shears must face upward For true left handed shears see page 20 Very large shears need to be clamped closer to the tip to allow for full sharpening STEP 6 SHARPENING SCISSORS To sharpen slide blade across the LEFT wheel slowly with a light pressure against the wheel Keep arms in the position shown and move fixture from right to left If machine slows down use less pressure Slide blade from pivot to tip 14 Release pressure from wheel when tip reaches cen ter of wheel Repeat until a burr can be felt along the entire length of the blade This burr on the inside of the blade shows that this step has been completed You feel the burr by sliding your finger towards the cut ting edge Acurved cutting edge is sharpened by keep ing the edge parallel to the grinding wheel PINKING SHEARS BE SURE THAT THE TEETH FACE UP True left handed shears follow in structions on page 20 Teeth will then be down NEVER sharpen be tween the teeth Note 0 to 10 angle Pinkers are sha
23. t over sharpen this reduces the overall life of the shears C Deburr normally by spreading blades apart when closing Squeeze when opening to be sure burrs won t damage edges As in sharpen ing step 8 page 16 D Hone one blade until a burr is formed then close the shear on two layers of paper towels cutting off burr and repeat with other blade If the customer insists on corrugations the blade as sharpened on the sharp ening stone is usually rough enough If you need to use a corrugat ing file don t hone the blade to be corrugated We recommend using the diamond file part 22200 to corrugate 2 5 E Repeat honing steps until each blade has been honed and a light burr has been created Close shears after each honing Test on one or two layers of Viva paper towels or hair If they do not cut easily or cleanly then re hone and cut the burr off each blade again Round and polish tips Adjust free fall as they may be quite loose and still cut When testing do not push handles sideways forcing blades together as you might get false results instead test by closing the blades with no side pressure Charges for this work range from 5 to 15 SHARPENING OF WOOD CHISELS BONE CHISELS SEWING MACHINE KNIVES CUTTING TOOLS A wider clamp with a slot in the side is available so that long tools can ex tend below the clamp as pictured to the right This allows the sharpening of tools not possible with a standard cl
24. ted NO GOOD No gap under SS he pivot one blades straight the other has too much set NO GOOD Blades come n together in the middle and leave gap near the tips that will not cut GOOD Gap under the pivot SS and proper set to the tips Gap 006 012 2 4 sheets of paper 23 Adjust set using Set Adjusting Tool part 23110 for small scissors and shears To adjust set on large shears use Scissors Press Accessory part SPA110 SPECIAL INSTRUCTIONS FOR KNIFE EDGE SHEARS These shears will have two angles one about 20 and one about 50 Maximum angle possible with machine is 57 Sharpen the flat angle first with an angle of approx 20 Next reset the clamp to about 50 and sharpen the knife edge Close and deburr as in step 8 Reclamp the knife edge in the fixture the edge you just sharp ened and hone step 9 Hone only one edge the knife edge Handle with care as knife edges are very sharp and will cut 20 to 36 layers of cloth Sharpen flat blade first and knife edge second After honing cut off the honing burr SHARPENING PROFESSIONAL BARBER SHEARS Many of the better barber shears used by professionals are now sharp ened at 35 or more We recommend at least 35 Follow the regular instructions for normal sharpenirg or instructions below for super sharp edges HAIR THINNING SHEARS Sharpen the st ht blade first deburr hone and test If they do not
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