18
UNDERSCRIBE 7320 TRIMMER ASSEMBLY
The Underscribe Trimmer Base is assembled to the Model 7301 Trimmer
Motor as follows:
NOTE: The 43109 Trim Bit must be installed into the Trimmer Motor before
attaching the motor to the Underscribe Base.
DISCONNECT TOOL FROM POWER SOURCE.
1. Clean and insert shank of bit (A) Fig. 14, into collet until end of shank
TYPICAL APPLICATIONS
TRIMMING
3
/
4" IN-AND-OUT TRIMMING SCRIBING OF
VERTICAL BACKSPLASH OF INSTALLED CORNER BACKSPLASH TO WALL
APPLICATION – Trimming front edge of
3
/4" vertical backsplash. This is an opera-
tion standard trimmers with round or
square bases are unable to do without
the use of a special bit.
Self-piloted bit
guides trimmer for
one-pass trimming
every time.
Triangular base
enables trimming with
backsplash in place.
OPERATION – Trimming
3
/4" backsplash
with the new Porter-Cable Offset Laminate
Trimmer fitted with a solid carbide self-
piloted bit.
APPLICATION – Trimming into and
out of installed backsplash corner
with little or no hand trimming
required.
Triangular base
enables complete
corner trimming
with backsplash
in place.
OPERATION – The new Porter-Cable
Offset Trimmer will trim into and out
of 90° corners with ease using self-
piloted bit.
APPLICATION – Accurately scribing the back
side of a preassembled panel or post-formed
backsplash. Once the lip is accurately scribed,
the trimmed portion is then pushed against the
wall and mated exactly.
Self-piloted bit
follows every
trimmer movement
to create exact
reproduction of wall
surface in one pass!
Front edge
of trimmer
is guided
against
wall.
OPERATION – The guide assembly must be
removed. Using the self-piloted bit, the
Porter-Cable Offset Trimmer scribes
accurately to the wall surface.
Maintain
3
/4" separation
from wall for scribing.
Trims up to
vertical surfaces.
Trims odd angled
corners less than
or greater than
90°.