35
VARIABLY SPACED HALF-BLIND DOVETAILS
Chapter 10D4R Pro User Guide
10-14 Ignoring the outer guidefinger (router support) at the scale,
loosen enough guides for the desired tail layout. The illustrated half-pin
guidefinger position gives a half-pin socket profile as shown (dotted
lines). NOTE: The first few uses, some fingers may “stick”. This is normal.
To “unstick”, loosen the finger screw
3
⁄4 turn. Press down firmly on the
screwdriver (in the screw) to loosen the finger locking wedge.
10-15 If gaps between the guidefinger tails are wider than about
1
⁄8"[3mm], mark and cut pieces of bridge extrusion
➀
to fit the
guidefinger tail slots. Cut slightly shorter than the space between
the guidefinger shoulders
➁
, so guidefingers won’t force apart
with the bridge pieces. Squeeze the open side of the pieces and
push into place for a friction fit.
1
2
10-16 Remember to tighten any loose guidefingers. Lower the
finger assembly back onto the spacer board and workpiece. It
must touch the workpiece or the depth of cut will vary and the
joint won’t fit. The scale should be set on the tailboard thickness,
in this case
3
⁄4"[20mm].
10-17 Attach the e7-Bush securely to the router and mount the
supplied No.120-8 bit to the router. Set the e7-Bush to No.10.
See Chapter 3, page 9 for details.
REMEMBER SAFETY!
Adjust the bit height until the bit tip is level with
the marked line
➀
. For the first light cut move the
router from right to left. Make sure you control it firmly, because
it is driven in this direction by the bit. Only the tip of the bit
should be cutting on the first cut
➁
. This back or climb routing
leaves a very clean shoulder in face grain.
1
2
10-18
10-19 Now rout in and out from left to right following the guides
and bridge pieces to rout out the pin sockets, leaving the tails.
See fig. 17-10 “Hints and Tips”.
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