CT052N 12” DOVETAIL JIG
Contents
1. 12 Rebetted Drawer Fronts 13 Flush Offset Joint 13 Rabbeted Joint 13 Box Finger Joint 13 Tear Out 14 Excessive Fit 14 Incomplete Fit 14 Offset Edges 15 Fit Too Tight or Too Loose 15 Uneven Fit 15 Parts Diagram 16 Parts List 17 Warranty 18 i GENERAL SAFETY INSTRUCTIONS Extreme caution should be used when operating all power tools Know your power tool b2. DOVETAIL JIG CRAFT EXCELLENCE FEATURES MODEL CTO52N 12 DOVETAIL JIG As part of the growing line of Craftex machineries we are proud to offer the CTO52N a 12 Dovetail Jig By following the instructions and procedures laid out in this user manual you will receive years of excellent service and satisfaction The CTO52N is a professional tool and like all power tools proper care and safety procedures should be adhered to FIGIQM Mis cscs cacicnssincigusacncicntadavigee sbividieabivageestuendas 6 Mh le 17 Depth sssrin E eo lat 12 Shipping Weight isa 22 NetANBIdght s seins 23 lbs CAPACITY Material Thickness sides 5 16 to 1 1 4 Material Thickness front amp back 00 5 8 to 1 1 4 Maximum Width ceeeeeeeeeeeeeeeeeeeeeeeees 12 JOIN ER SR UE le cecil se a he nn 5 8 with 1 2 Template CONSTRUCTION e RE aera Sener en A E Pre Formed Steel Clam pSr at cn NN nn ne Single Lever Adjustable Cam Template oi icciersrseteeiedercesetasetaddcedatelededeteledabeseds CNC Machined Aluminum ROUTER SPECIFICATIONS Maximum Router Base Size 7 Router Bit Required 14 1 2 Dovetail with 1 4 Shank Guide Bushing Required 7 16 O D UNPACKING The machine is properly packaged in a carton for safe transportation When unpacking carefully inspect the ca
3. OCRAFTEX CT052N 12 DOVETAIL JIG User Manual COPYRIGHT 2012 BY CRAFTEX INDUSTRIES INC Ron oF THS MANUAL MAY BE PRODUCED WITHOUT TABLE OF CONTENTS General Safety INstructionS 3 PSL GG se ne Sn es ed ee Re ee rene 4 Un packing 5 Assembly 5 MOuUnNt Ng 5 Capacities 5 Preparation 6 Adjustment ControlS 7 Clamping Adjustment 8 Side Stop Setup 8 Template Adjustment 9 Fence Adjustment 10 Operation 11 Regular US
4. because they were not milled square or the pieces were not flush with each other in the jig Figure 11 Shows a finished drawer and 2 sides ready to be joined B RABBETED DRAWER FRONTS Drawer fronts that have been rabbeted around the inside edge to create a lip to restrict drawer travel in the closed position require some additional setup To produce half blind dovetails on rabbeted drawer fronts 1 A spacer must be added to the vertical side stop in the front of the jig to compensate for the rabbet The width of the spacer must be the same width as the rabbet 2 The fence must also be set back an additional amount equal to the width of the rabbet C FLUSH OFFSET JOINT D RABBETED JOINT E BOX FINGER JOINT gt When cutting the box finger joint both pieces of stock must be put into the dovetail machine vertically as in Figure 6 One piece of stock is lined up flush to the left of one of the comb table fingers and the other piece of stock is lined up flush to the right of one of the comb table fingers CE Always set router bit depth to cut the exact thickness of the stock being used this will give you a perfect box finger joint every time To avoid router bit from hitting template raise up comb table to the appropriate height with shim stock A TEAR OUT When cutting across the grain of the wood tear out or splintering may occur when the router bit exits the work piece To prevent tear out you ma
5. 13 shows incomplete fit D OFFSET EDGES If the side piece edge is not aligned with the front or back piece edge the edges are offset See Figure 14 CAUSE The side stops are not set correctly REMEDY Measure the amount of offset on the two test pieces and adjust the front side stop accordingly The front side stop must be offset from the top side stop by the exact width of the fingers on the template you are using Ensure that the front side stop remains square to the work piece mounted on top of the jig Figure 14 shows offset edges D FIT TOO TIGHT OR TOO LOOSE If you find the fit to be about right in every other aspect but it is simply a little too tight or too loose the depth of the router bit is probably maladjusted 1 If the fit is too tight decrease the protrusion of the router bit from the base 2 If the fit is too loose increase the protrusion of the router bit from the base E UNEVEN FIT If the side piece fits either excessively or protrudes at on edge and not the other the fit is uneven See Figure 15 CAUSE The fence is not parallel to the edge of the work piece or the template is not parallel to the edge of the work piece REMEDY Adjust the fence or template in the desired direction until it is parallel to the edge of the work piece For the highest degree of accuracy clamp the two work pieces in the front of the jig so they are positioned against the two side stops and measure the dista
6. packaging a letter explaining your reason for the return Incurred shipping and handling charges are not refundable e Busy Bee will repair or replace the item at our discretion and subject to our inspection e Repaired or replaced items will be returned to you pre paid by our choice of carriers e Busy Bee reserves the right to refuse reimbursement or repairs or replacement if a third party without our prior authorization has carried out repairs to the item e Repairs made by Busy Bee are warranted for 30 days on parts and labour e Any unforeseen repair charges will be reported to you for acceptance prior to making the repairs e The Busy Bee Parts amp Service Departments are fully equipped to do repairs on all products purchased from us with the exception of some products that require the return to their authorized repair depots A Busy Bee representative will provide you with the necessary information to have this done e For faster service it is advisable to contact the nearest Busy Bee location for parts availability prior to bringing your product in for repairs s a
7. to the edge of the vertical piece just like the template TO ADJUST THE FENCE 1 Mount a 7 16 0 0 guide bushing in your router base Measure the amount that the template overlaps the vertical piece Multiply that number by two For example if the template is offset from the edge of the vertical piece by 1 8 and thickness of the side piece is 1 2 then the overlap is 3 8 So 3 8 x 2 is 3 4 2 Now add 1 32 to the distance you calculated in step 1 Measure the distance from the edge of the router base to the edge of the guide bushing and add it to the distance you calculated in step 2 The distance calculated in step 3 is the distance that the fence should be back from the template Loosen the two fence lock knobs and slide the fence into position Ensure that the fence is parallel to the front of the template and tighten the two lock knobs B 1 32 C 4 1 32 E x re 4 1 32 3 1 4 25_32 3 14 E B 3 4 1 32 C 25 32 3 8 x2 Total D A B C template to edge of fence distance from her age of Explanation Distance that the template overlaps bushings to edge of router base Add C to distance from edge of D E the vertical piece Multiply A by 2 Add 1 32 to B E NOTE The procedure above is not affected by changing the router bit vertical depth of cut When you ve finished with all the calculations make a test run using some scrap wood to check
8. ctly 1 2 from the edge of horizontal piece Use the technique shown in Figure 7 HINT If you are not using the 1 2 template scribe the line so the distance from the edge equals the width of the template fingers 11 Loosen the front side stop screws and slide the front side stop against the square Tighten the two Phillips screws Be careful over tightening will crack the side stops 12 Replace the front cam clamping system IMPORTANT The dovetail jig is capable of processing two sets of joints at one time if the sum of the widths of both sets is less than 12 If you wish to make two sets of joints at one time adjust both sets of side stops at each end of the jig Refer to Steps 1 through 12 above Figure 7 Shows scribing a line 1 2 from the edge of the horizontal piece TEMPLATE ADJUSTMENT The template is adjustable from front to back so that the joint will be hidden when the dovetails are complete Adjustment is made by loosening the two lock knobs on the side and the two lock levers on the front of the jig Don t adjust the screws holding the template TO ADJUST THE TEMPLATE TO THE PROPER POSITION 1 Mount your drawer pieces in the jig The horizontal piece must be tight and flush with the top of the vertical piece When mounted correctly you ll be able to see the top edge of the vertical piece 2 For pieces that are less than 7 8 thick slide the template so the front edge of the templa
9. design requires that you use the same stock thickness for the back as you do for the front Your drawer fronts and backs must be at east 5 8 thick to fully accommodate the length of the dovetails without compromising strength After all the pieces have been cut to size and checked to ensure square ness set them on a bench in the order that they will be fitted together Lay each piece down so the inside faces up Label each piece on the inside di 2 Inside Back Inside Right Side Drawer Left Bottom Side r Inside L 3 Inside Front Figure 3 Pieces for labeling ADJUSTMENT CONTROLS The CT052N Dovetail Jig has been designed to accommodate various stock thicknesses and router base sizes The jig can be used for production runs of similar parts after setup is completed NOTE When describing adjustments and operations in this manual reference is made to the pieces being joined as fronts backs or sides These pieces can be compared to drawer fronts backs and sides Front and back pieces mount horizontally on top of the jig and side pieces mount vertically in the front of the jig The insides of the boards always face out Clamping Pressure mm fill Knob 7 Template Lock Knob Hand Levers Used to clamp the work piece in place Fence Knobs Loosen these knobs to adjust fence position Router travel is stopped when the router base contact
10. e familiar with its operation read through the owner s manual and practice safe usage procedures at all times ALWAYS read and understand the user manual before operating the machine CONNECT your machine ONLY to the matched and specific power source ALWAYS wear safety glasses respirators hearing protection and safety shoes when operating your machine DO NOT wear loose clothing or jewelry when operating your machine A SAFE ENVIRONMENT is important Keep the area free of dust dirt and other debris in the immediate vicinity of your machine BE ALERT DO NOT use prescription or other drugs that may affect your ability or judgment to safely use your machine DISCONNECT the power source when changing blade and or making adjustments NEVER leave a tool unattended while it is in operation NEVER reach over the table when the tool is in operation ALWAYS keep blades knives and bits sharpened and properly aligned ALL OPERATIONS MUST BE performed with the guards in place to ensure safety ALWAYS use push sticks and feather boards to safely feed your work through the machine ALWAYS make sure that any tools used for adjustments are removed before operating the machine WARNING The safety instructions given above can not be complete because the environment in every shop is different Always consider safety first as it applies to your individual working conditions CR AFTEX CTO52N 12
11. erial up to 1 1 4 thick and up to 12 wide OCRAFTEX 5 It is designed to be used with 1 4 shank 1 2 14 dovetail bits only The bit should protrude approximately 19 32 below the base which is the thickness of the comb plus the depth of the pin The maximum router base size that can be used with this jig is 7 in diameter The guide bushing should protrude 1 8 to 3 16 from the base of the router and be 7 16 in outside diameter 0 0 IMPORTANT This jig can only be used with a guide bushing attached to your router base and the guide bushing can be bought separately according to specific router The table below shows the pin widths produced by this jig s 1 2 template Template eee Bushing Pin Size PitSize size Width 1 2 1 2 7 16 9 16 Pin Depth I t Yow Pin Depth aprox 11 32 lt Pin Width Figure 2 Thickness of the comb plus depth of the router is the total depth PREPARATION It is important to plan your work before starting If joining multiple pieces for a drawer or series of drawers it is best to label the pieces as front back and sides and which face will be inside or outside It is also best to label the ends so it is clear which end mates with another Labeling will save setup time and avoid costly mistakes in the long run A typical drawer has a 3 4 thick front with sides made of 1 2 material The dovetail jig s
12. idents repairs or alterations or lack of maintenance Proof of purchase is necessary All warranty claims are subject to inspection of such products or part thereof and Craftex reserves the right to inspect any returned item before a refund or replacement may be issued This warranty shall not apply to consumable products such as blades bits belts cutters chisels punches etceteras Craftex shall in no event be liable for injuries accidental or otherwise death to persons or damage to property or for incidental contingent special or consequential damages arising from the use of our products RETURNS REPAIRS AND REPLACEMENTS To return repair or replace a Craftex product you must visit the appropriate Busy Bee Tools showroom or call 1 800 461 BUSY Craftex is a brand of equipment that is exclusive to Busy Bee Tools For replacement parts directly from Busy Bee Tools for this machine please call 1 800 461 BUSY 2879 and have your credit card and part number handy e All returned merchandise will be subject to a minimum charge of 15 for re stocking and handling with the following qualifications Returns must be pre authorized by us in writing We do not accept collect shipments Items returned for warranty purposes must be insured and shipped pre paid to the nearest warehouse Returns must be accompanied with a copy of your original invoice as proof of purchase Returns must be in an un used condition and shipped in their original
13. nce between the edge of the work piece and the edge of the fence or template Adjust the fence or template so the measure ment on the other end of the jig equals the first Recheck the first measurement in case it changed during adjustment Figure 15 Shows uneven fit Cem CT052N PARTS DIAGRAM 16 Rote Tata CT052N PARTS LIST 01 1 2 Aluminum Template 02 Bracket 03 Bracket 04 Knob 05 Eccentric Wheel 06 Handle 07 Spring 08 Knob 09 Fence Lock Knob 10 Fence 11 Threaded Bushing 12 Jig Base 13 Stops Short 14 Support 19 Flat Washer 8mm x 15mm x 1t 16 Lock Knob 17 Slide Bar 18 Threaded Bracket Right 19 Threaded Bracket Left 20 Screw Pan HD Philips 10 24 x 3 8 21 Screw Flat HD Philips 10 24 x 5 8 22 Screw Flat HD Philips 1 4 20 x 3 8 23 Stop Long 24 Rod 25 Thumb Lock Lever 5 16 26 Flat Washer 5 16 Scar rex CRAFT EXCELLENCE OQACRAFTEX WARRANTY CRAFTEX 2 YEARS LIMITED WARRANTY Craftex warrants every product to be free from defects in materials and agrees to correct such defects where applicable This warranty covers two years for parts and 90 days for labour unless specified otherwise to the original purchaser from the date of purchase but does not apply to malfunctions arising directly or indirectly from misuse abuse improper installation or assembly negligence acc
14. p of the jig The mating side pieces are positioned vertically in the front of the jig The end of the pieces must be flush with the top face of the back piece See Figure 10 12 Rote Tara Front or Back Figure 10 Shows the dovetail jig set up for use 5 The router base and bit must be secure before plugging in your router Hold the router firmly with both hands and support it on the template Make sure that the bit is clear of the work piece Turn the router on and gently ease the bit into the work letting the guide bushing gently contact the template Facing the dovetail jig start at your left side and work to the right first remove the material IN FRONT of the fingers Second remove the material between the fingers Ensure that the router base and guide bushing stay in firm contact with the template HINT If you are using material thicker that 7 8 cut it in two stages First remove the material in front of the fingers Second remove the material between the fingers IMPORTANT Be careful when the router bit exits the work piece to reduce the risk of tear out 5 Remove both pieces from the jig and join the dovetails 5 It may be necessary to tap the two pieces together with a hammer and wood block If alignment is so poor that the two pieces will not fit together line up each piece as much as possible and determine the direction and degree of fine adjustment If the two pieces do not fit it is usually
15. rton and ensure that nothing has been damaged during transit When all the items are removed from the package you should have the following 1 Dovetail Jig 2 Hand Lever 3 Hand Lever Dovetail Figure 1 Inventory While doing the inventory if you can not find any part check if the part is already installed on the dovetail jig ASSEMBLY The jig is shipped fully assembled except for the two hand levers Screw the threaded end of each hand lever into the clamping rods located on the top and front of the dovetail Tighten until secure MOUNTING Place the jig on your bench top so the front lap rests against the front of the bench top The jig has mounting holes on the front and rear Locate the mounting holes and mark the locations with a pen Drill the appropriate size holes and secure the jig to your bench using screws nuts and bolts IMPORTANT If you do not want to permanently secure the jig to your bench mount the jig to a piece of 3 4 plywood that can be clamped to your bench top or clamp the jig to the front of your bench CAPACITIES The CTO52N is designed to produce half blind dovetail joints with a router 7 16 guide bushing and 14 1 2 dovetail router bit Half blind dovetails are very strong and are commonly used in fine drawer construction The term half blind refers to the fact that the pins and tails can only be seen from the side The CTO52N is capable of processing mat
16. s TO ADJUST THE SIDE STOPS 1 Start with the drawer back It goes under the top clamp and the template This piece lies horizontally Move it near either one of the side stops 2 Loosen the screws on the side stop and shift the work piece so it is centered under the template fingers shown in Figure 6 When centering ensures that the pins and tails on the ends will be identical to each other Clamp the back in place Figure 6 Shows the location of the front side stop Note how the board is centered under the template 3 Now insert a drawer side under the front clamp This piece will be vertical 4 Adjust the height so the end of the vertical board overlaps the end of the horizontal board It is not crucial that the pieces be flush yet 5 Clamp the side in place 6 Release the horizontal piece and butt it against the side piece mounted in the front of the jig Ensure that the horizontal piece remains centered under the template fingers Re clamp in place 7 Loosen the two fence knobs and slide the fence all the way back so the upper side stop adjustment screws are accessible 8 Loosen the upper side stop with a Phillips screwdriver and slide it next to the horizontal piece Re tighten the side stop screws Do not over tighten The plastic will crack 9 Release the side piece from the front of the jig and remove the front clamping system by unscrewing the clamping adjustment knobs 10 Scribe a line exa
17. s the fence Upper Side Stops Align the work piece horizontally under the template Side Stops front Align the vertical work piece to the horizontal work piece Template Height Lock Knobs Loosen these knobs to adjust the template height Template Lock Knob Loosen these lock knobs to move the template to the front or rear Clamping Pressure Knobs Upper amp Front Control the height of the clamping bar and adjust cam clamping pressure Fence J Knob Template Height Lock Levers Upper Side Stop Clamping Pressure Knob Figure 4 Adjustment controls OC CRAFTEX 7 CLAMPING ADJUSTMENT The clamping pressure should be adjusted so the work piece can be easily slid under the bar when the hand lever is up Push the hand lever down to hold the work piece in place Do not use excessive force when pushing the lever If excessive force is required loosen the clamping pressure knobs slightly Figure 5 Work piece clamped SIDE STOP SET UP The side stops serve three purposes 1 They position each work piece square to each other 2 They offset the two work pieces for proper alignment 3 They give lateral support to the work pieces during router Since tails and pins are routed in one operation The work pieces must be offset The amount of offset is equal to the width of the template fingers IMPORTANT All pieces must be cut perfectly square for the jig to work properly 8 Reta Ta
18. te fingers are 1 8 back from the top edge of the vertical piece See Figure 8 For side pieces thicker than 7 8 add 1 8 to the amount that the board exceeds 7 8 Then set the front edge of the template fingers back from the edge by that sum See Figure 8 CO CRAFTEX Figure 8 Shows checking the template to make sure it is parallel to the top of the vertical pieces The inside faces are showing IMPORTANT Ensure that the front edge of the template is parallel to the edge of the vertical work piece To maintain a high degree of accuracy when adjusting the template measure at one end of the jig then measure at the other end Make adjustments to the template and re measure both positions To measure at both ends of the jig try shifting the vertical piece to the other end of the jig or clamp two pieces at each end of the jig as shown in Figure 8 It is not necessary to simultaneously measure with two rulers The two rulers only represent two measurement locations 5 Tighten the two template lock knobs and recheck your measurements 10 Rote Tata Front or Back Pieces E Conrrex Figure 9 Shows the template set back an additional 1 8 for a 1 thick board The inside faces are showing FENCE ADJUSTMENT The fence controls the depth of the dovetail pins by limiting the distance that the router travels The router stops when the router base hits the fence The fence must be adjusted parallel
19. y scribe a line on the side piece with a sharp knife or awl at the same distance down that router bit will cut Tear out can be eliminated or reduced by backing up the work piece with a scrap piece or simply using extra care when operating the router B EXCESSIVE FIT If the tails on the side piece fit too deeply in the pins on the front or back piece the depth of cut is too deep See Figure 13 CAUSE The distance between the edge of the side piece and fence is set too wide REMEDY Adjust the fence forward by the same amount that the pins are exposed Refer to the procedure described above for fence adjustment j Figure 12 shows excessive fit a C INCOMPLETE FIT An incomplete fit occurs when the side piece protrudes from the end of the front or back piece See Figure 13 CAUSE The distance between the edge of the side piece and fence is set too narrow REMEDY Adjust the fence toward the back of the jig by the same amount that the tails protrude out TO ADJUST THE FENCE 1 Made a reference line indicating the current position of the fence either on a piece of masking tape located on the jig or on the sample piece clamped under the fence that the tails 2 Measure the distance protrude 3 Loosen the fence locking knobs and slide the fence toward the back of the jig by the same distance 4 Ensure that the fence is parallel to the edge of the work piece and tighten the lock knobs Figure
20. your positioning Fine tune if necessary HINT When you have come up with a reliable number E for your router base bushing and wood thickness combination record it here and keep it for future reference E will be different for different thickness of wood CEA OPERATION Your router base must accept a guide bushing with a 7 16 outside diameter and an inside diameter large enough to accept a 1 4 shank dovetail bit Securely mount the guide bushing to your router Refer to your router s operating manual for further instructions Choose a 1 2 dovetail router bit with a 1 4 shank Ensure that the router is unplugged and securely mount the bit in the router collet Set the router bit to extended 23 32 below the base plate of the router Before cutting tails and pins in a finish piece it is important to test your adjustments with sample pieces to judge the quality of the joint It may be necessary to make additional adjustments to the dovetail jig to improve the fit With the jig completely adjusted you should be ready to test it out Review all safety rules if you are unsure abut the risks associated with operating a router in conjunction with this jig A REGULAR USE 1 Start with joint 1 that you set up in Section 7 2 Position the mated pieces in the jig so the insides face out and up Each piece must be tight against the side stops The back pieces are positioned horizontally on to
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