Black & Decker KW800 Guide de l'utilisateur télécharger pdf (Page 6)

BENCH OPERATION

R9PLUS Dovetail Jig User Guide

Making The Beam

Chapter 1

1-1 The beam assembly consists of the main beam

, the

sacrificial backer board

and the clamping surface

. We

recommend making the clamping surface and sacrificial board

from MDF, 1/2" to 3/4"[12,7 to 19mm] thick. Hardwood or

softwood may also be used.

1-3 Cut a piece of MDF 30" long and 2

⁄8" wide [762mm

x 54mm]. This will be your clamping surface

. Then cut

your sacrificial boards 1

⁄

" x 30"[38mm x 762mm]. You may

want to cut a number of extra sacrificial boards now to use as

replacements

1-5

This procedure is critical to the accuracy of the jig.

Before attaching the MDF boards to the beam, use each pin plate

as a drill guide. First, mark a line 4

⁄2"[114mm] in from the left

end of the top of the beam and square it across

. Next, stack

the clamping surface

, sacrificial board

and beam

near

the edge of the workbench and clamp in place

1-2 Start with a straight, flat and square 30"[762mm] length

of wood, 1

⁄2" x 3

⁄2" x 30"[38mm x 89mm x 762mm]. Note: A

30" section of common 2 × 4 can be used if it is straight, flat and

square.

1-4

Lay out the mounting screw holes

and clamp holes

per the drawing on pages 38-39. Drill and countersink the screw

holes on the clamping surface. Drill the

⁄16"[8mm] holes

the sacrificial board. This piece can be reversed and flipped four

times to use up all four surfaces.

1-6 Clamp a pin plate with its wide straight side flush to the flat

bench surface

and its side edge on the line

. Using the 2 small

holes

in the pin plate as a drill guide, drill two

⁄

"[2,5mm]

pilot holes 1"[25,4mm] deep. These holes will correctly position

the pin plate on the beam. Note: If you are using hardwood, redrill

these holes with a larger bit,

/8" or

/64", to avoid breaking screws.

Important: Please use these step-by-step instructions in conjunction with the technical drawing in the Appendix, pages 38-39.

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Black & Decker KW800 Guide de l'utilisateur Page 6

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