Woodhaven 3400-3440: Scarfing Sleds User Manual

Page 7

PREPARE TO CUT SCARF JOINT

Make sure the base is on a flat solid support when per-

forming these operations.

Install the necessary bit (we recommend a bit with at least

a 2-1/2" overall length) in your router and attach the router
to the Router Sled. Set the Router Sled so it rides on the Ultra
Tracks of the Track Sled, making sure the ribs of the Glides
are fully engaged in the slots of the Ultra Tracks. Set the Stops
on the Ultra Track to control the side-to-side movement of the
Router Sled and prevent it from striking the Angle Guides or the
Double Tracks.

Adjust the bit so it nearly touches the corner of the work at

one end by adjusting the position of the Track Sled on the Angle
Guides and lowering the bit. Slide the Router Sled across the
length of the Track Sled, noting the position of the bit in relation
to the corner of the work. See fig. 15.

By adjusting the position of just one of the front Stops

on one of the 32" Double Tracks, you can skew the Track Sled
slightly until this position is the same at both ends of the work.
Temporarily clamp the 12" Double Tracks of the Track Sled to
the 32" Double Tracks of the Angle Guides. Loosen each front
Stop and slide them away from the ends of the 12" Double
Tracks 1/4" to 3/8" (use a spacer so this margin stays exactly
the same at both ends), tighten the front and rear Stops firmly
and remove the clamps. See fig. 15.

Cut spacers out of some 1/4" thick stock. The spacers

should be narrower than the width of the bit you're using and at
least 1-1/4" long so they're easy to grasp. With the Track Sled
resting against the front Stops, you'll make your first side-to-
side pass with the router. For each subsequent pass you'll slide
the Track Sled back on the 32" Double Tracks, insert a spacer in
the T-slot of the 32" Double Track between each the end of the
12" Double Tracks and the front Stops, then let the Track Sled
rest against the spacers. Make the next side-to-side pass with the
router, install another pair of stops and repeat. See fig. 16 & 17.

CUT SCARF JOINT

Make sure the base is on a flat solid support when per-

forming these operations.

Starting with the Track Sled resting against the front Stops,

set the routers depth of cut to 1/8" or less. As you finish each
side-to-side pass, add spacers between the front Stops and Track
Sled to move the Track Sled back for the next pass. When using
the Router Sled, don't place excessive side pressure on the Track
Sled and always maintain a slight downward pressure on the
Router Sled. Never try to reach beyond a comfortable and safe
distance. To guide the Router Sled from side-to-side you can
use either the handles on the Router Sled or the handles on your
router, whichever you are more comfortable with.

It's always better to take several light cuts instead of a one

or two heavy cuts. Leave just enough material to make a light
final cut.

Whether you move the Router Sled from left-to-right or

right-to-left will depend on what side of the bit the majority
of the work is on. Always work against the rotation of the bit
- never climb cut! Always take appropriate safety precautions!
See fig. 18.

(800) 344-6657 or WWW.WOODHAVEN.COM

Bit position at both ends of

work should be the same.

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