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Porter-Cable 4212 (29550) - page 1
Part No. A05065 - 05-27-05 DOVET AIL JIG INSTRUCTION MANUAL The Model and Serial No. plate is located on the main housing of the tool. Record these numbers in the spaces below and retain for futur e refer ence. Model No. _____________________________________ T ype __________________________________________ Serial No.________________________________ ...
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Porter-Cable 4212 (29550) - page 2
2 T ABLE OF CONTENTS SAFETY GUIDELINES 3 IMPORT ANT SAFETY INSTRUCTIONS 3 ADDITIONAL SPECIFIC SAFETY RULES 4 BACKGROUND INFORMA TION Dovetail and Box Joint Overview 5 Product Capabilities 6 4200 Series Dovetail Jig Overview 7 Carton Contents 7 Assembly 8 Additional T ools Required 8 Mounting Instructions 8 OPERA TION Clamps 9 T emplate Mounting 9 T ...
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Porter-Cable 4212 (29550) - page 3
3 Indicates an imminently hazardous situation which, if not avoided, will r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, could r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, may r esult in minor or moderate injury . Used without the saf ...
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Porter-Cable 4212 (29550) - page 4
4 T ypes of dovetails include through dovetails, half-blind dovetails, rabbeted half-blind dovetails, miter ed-through dovetails, blind dovetails, and mitered dovetails. Of these joints, the thr ough, half-blind, and rabbeted half-blind are the most common. DOVET AIL AND BOX JOINT OVER VIEW The dovetail joint is a traditional joint that is both str ...
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Porter-Cable 4212 (29550) - page 5
5 THROUGH DOVET AILS RABBETED HALF-BLIND DOVET AILS T ails Pins BOX (FINGER) JOINT A similar joint, called a box or finger joint, has straight protrusions called fingers on both boar ds. This joint is used on jewelry boxes and other small boxes. The box joint is strong because it has a lar ge surface area for glue. The Dovetail Dado, or Sliding Dov ...
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Porter-Cable 4212 (29550) - page 6
6 JIG OVERVIEW The 4200 series dovetail jigs come equipped with an easy-to-mount, heavy-duty steel base (A) Fig. A1 featuring a clamping system designed to hold wood and minimize board slippage during cuts. T roubleshooting tips (B) ar e provided on each side of the base. Thr ee differ ent machined aluminum templates (Fig. A2) can be used on the ji ...
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Porter-Cable 4212 (29550) - page 7
7 CAR TON CONTENTS 1. Base 2. Half-blind & Dado T emplate 3. Dovetail Bit 4. T emplate Guide 5. Lock nut 6. T -handle Hex W rench 4210 4212 1. Base 2. Half-blind & Dado T emplate 3. Through & Box T emplate 4. Dovetail Bit 5. Straight Bit 6. T emplate Guide (2) 7. Lock Nuts (2) 8. T -handle Hex W rench DOVET AIL JIGS ACCESSOR Y KITS 1. H ...
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Porter-Cable 4212 (29550) - page 8
8 ADDITIONAL TOOLS REQUIRED The router that you use with this jig NOTE: While the jigs and accessory kits include the router bits and template guides to make the basic dovetail joints, additional router bits ar e requir ed to make box joints. MOUNTING INSTRUCTIONS NOTE: Always mount your jig to a solid work surface. Y ou can mount your jig permanen ...
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Porter-Cable 4212 (29550) - page 9
9 Mount your workpiece in the jig properly . If the workpiece is not secure, it can be damaged when it moves. The jigs utilize two mounting positions for workpieces - horizontal and vertical. Some joints requir e both, while others requir e the use of a scrap board in the horizontal position (upper clamp) and the workpiece in the vertical position ...
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Porter-Cable 4212 (29550) - page 10
10 TEMPLA TE SUPPORT For every type of joint, place wood in the top clamp, whether a workpiece or a scrap piece, to provide support for the router on the template. Y ou can add extra support by inserting a second boar d (A) Fig. E1 (of the same thickness) in the top clamp to ensure that the template is parallel to the base acr oss its length. This ...
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Porter-Cable 4212 (29550) - page 11
11 T earout is unwanted splintering of the wood fibers that occurs when a r outer bit enters, exits, or skims the edge of wood and is common to all dovetail jigs. T earout cannot be eliminated, but it can be r educed by the insertion of additional scrap wood against the workpiece. ALIGNING THE TEMPLA TES For proper operation, you must align the tem ...
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Porter-Cable 4212 (29550) - page 12
12 Use the correct template guides pr ovided with this unit to guide the router against the template fingers. T o determine the proper guide for a given joint, place the template guide in the slot on the left side of the corresponding template. The guide should have a snug fit in the slot. TEMPLA TE GUIDES ROUTER BIT DEPTH The depth-of-cut for the ...
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Porter-Cable 4212 (29550) - page 13
Standard thr ough dovetails T ail Board Range 1/4" to 1" Pin Board Range 1/4" to 3/4" Miniature thr ough dovetails Both T ails and Pins 1/4" to 1/2" Half-blind dovetails Standard and Miniatur e 1/2" to 1-1/8" Half-blind dovetail with a lipped front (Pin boar d will change depending on the size of the lip). 1/ ...
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Porter-Cable 4212 (29550) - page 14
14 Tips for making drawers: T ails (A) Fig. O1 are cut into the sides of the drawers, while pins (B) Fig. O1 are cut into the fr onts and backs of drawers. Y ou can use either solid wood or plywood for the drawer bottoms (A) Fig. O2. Insert the bottoms in a groove along the bottom of the fr onts and sides. Allow the drawer bottom to be free-floatin ...
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Porter-Cable 4212 (29550) - page 15
15 THROUGH DOVET AILS The through dovetail has a look that is visually appealing, especially in boxes and chests. Step 1 - Clamp a spacer board (A) Fig. P1 (equal to the thickness of your pinboar d) in the upper clamp. Mount the through dovetail template (B) on the base with the “tails” side facing you. Move the offset guide (A) Fig. P2 to the ...
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Porter-Cable 4212 (29550) - page 16
16 Step 4 - Reposition the offset guide (A) Fig. P4 flush to the vertical boar d and secure it. Reposition the scrap board(A) Fig. P5 so that it is flush with the r ear edge of the vertical board (B). Align the template using the “tails/box” line (A) Fig. P6 with the line formed where the scrap boar d (B) and the vertical board meet (C) and sec ...
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Porter-Cable 4212 (29550) - page 17
17 The half-blind dovetail is one of the most common types of joints and is the ideal choice for the drawer construction. In typical half-blind drawer construction, the joint is not visible from the fr ont and is invisible when the drawer is closed. For miniature half-blinds, use the 4215 accessory kit. Use scrap wood until you are comfortable with ...
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Porter-Cable 4212 (29550) - page 18
18 FITTING AND TROUBLESHOOTING For joints that are too loose, adjust your r outer to make a deeper cut. (Measure the gap (A) Fig. Q10 in the test cut and adjust the router for that amount). For joints that are too tight, adjust your r outer to make a more shallow cut. Once you achieve the correct depth, secur e the router bit depth guide in place w ...
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Porter-Cable 4212 (29550) - page 19
Step 4 - Step 5 - Make a spacer equal to the rabbet’ s width. Put the spacer (A) Fig. R4 against the left edge of the tail board, move the left of fset guide (B) flush against the spacer , and secure the offset guide. Reposition the scrap board (C) so that it is flush against the offset guide and the back edge of the vertical board. Align the “ ...
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Porter-Cable 4212 (29550) - page 20
20 Step 8 - Step 9 - Mount the dovetail bit and template guide to the router and set the r outer bit depth using the “half-blind” bit depth guide (Fig. R6). Make a climb-cut from right to left acr oss the outer edge of the tail board to r educe tear -out (Fig. R7). Rout in and out of the fingers of the template from left to right (Fig. R8). Rem ...
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Porter-Cable 4212 (29550) - page 21
A A A 21 BOX JOINTS Box joints have straight protrusions that interlock and must be held together by glue. The lar ge amount of gluing surface provides the str ength necessary for lar ge projects. If you are using the 4210 dovetail jig, you will need the 4213 accessory kit to make this joint. Y ou will need the 4215 accessory kit for the miniature ...
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Porter-Cable 4212 (29550) - page 22
22 Step 5 - Step 4 - Step 6 - Reposition the left offset guide (A) Fig. S4 flush against the workpiece (B). Align the template, using the “tails/Box” template line with the line formed where the scrap boar d and the workpiece meet. Mount the straight bit and template guide on the router and set the r outer bit depth using the “tails/box” bi ...
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Porter-Cable 4212 (29550) - page 23
23 Step 6 - Step 5 - Step 7 - Clamp the second workpiece (A) Fig. S11 in the lower clamp (vertical mounting position) on the right side of the jig flush against both the template (B) and against the right offset guide (C) with the outside surface facing away from the jig. If the first and second workpieces are of dif ferent thicknesses, r eset the ...
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Porter-Cable 4212 (29550) - page 24
24 Step 4 - Step 5 - Set your router bit depth by using either of the thr ee choices (A, B, or C) Fig. T3 on the left side of the template, or by manually setting the router to another depth. Slowly rout along the slot fr om left to right (Fig. T4). (Some deep dadoes may requir e cutting the bulk of the material with a straight bit). Remove the wor ...
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Porter-Cable 4212 (29550) - page 25
25 MAINTENANCE ACCESSORIES KEEP TOOL CLEAN Periodically blow out all air passages with dry compressed air . Clean all plastic parts with a soft damp cloth. NEVER use solvents to clean plastic parts. They could possibly dissolve or otherwise damage the material. WEAR ANSI Z87.1 SAFETY GLASSES WHILE USING COMPRESSED AIR. SERVICE AND REP AIRS All qual ...
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Porter-Cable 4212 (29550) - page 26
26 PORTER-CABLE LIMITED ONE YEAR WARRANTY Porter -Cable warrants its Professional Power T ools for a period of one year from the date of original purchase. W e will r epair or replace at our option, any part or parts of the pr oduct and accessories covered under this warranty which, after examination, proves to be defective in workmanship or materi ...
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Porter-Cable 4212 (29550) - page 27
The following are trademarks of POR TER-CABLE • DEL T A (Las siguientes son marcas registradas de PORTER-CABLE • DEL T A S.A.) (Les marques suivantes sont des marques de fabriquant de la POR TER-CABLE • DEL T A): Auto-Set ® , BAMMER ® , B.O.S.S. ® , Builder’ s Saw ® , Contractor’ s Saw ® , Contractor’ s Saw II™, Delta ® , DEL T ...
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