Porter-Cable 520 Instruction Manual page 10

Heawf duty routers
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Generally speaking, when working on a bench, the workpiece should
be held on the bench by wood clamps. When routing edges, the router
should be held firmly down and against the work by both guiding knobs.
Since the cutter rotates clockwise (when viewing router from top), more
efficient cutting will be obtained if the router is moved from left to right
as you stand facing the work. When working on the inside of a templet,
move router in clockwise direction.
When working on the outside of
a
templet, move the router in the
counterclockwise direction.
WARNING: Avoid "Climb-Cutting" (cutting in direction opposite that
shown
in Fig.
5),
"Climb-Cutting" increases the chance for loss
of
control
resulting
in possible personal injury. When "Climb-Cutting" is required
(backing
around a corner), exercise extreme caution to
maintain
control
of router.
The speed and depth of cut will depend largely on
the
type of material
being worked upon. Keep the cutting pressure constant but do not crowd
the router so
the
motor speed slows excessively. If may be necessary
on exceptionally hard woods or problem materials to make more than
one pass at various settings to get the desired depth of cut.
When making cuts on all four edges of
the
workpiece, it is advisable
to have the first cut on the end of the piece across the grain. Thus,
if chipping of wood occurs at the end of a cut, it will be removed when
making the next cut
parallel
with the grain.
THE EDGE GUIDE
An Edge Guide is available as an accessory to aid in routing operations
such as: straight edge planing, parallel grooving, dado or slotting
operations.
To assemble, insert Guide Rods (A) in holes in base, Fig. 6 and secure
with screws (B). The Guide (C) is adjusted on the rods and secured
in desired position with Thumb Screws (D).
to

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