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This option will speed up the production of mats by giving you exact down-sizing of matboard. Its sturdy construction and
bracing will assure accurate sizes and 90 degree corners, so important to fine mat work.
Tools required: phillips screwdriver, 5/32" hex wrench, and adjustable wrench.
You will receive the Right Squaring Arm components disassembled into three parts, the Right Squaring Arm (A) with
an inch/metric scale, the Angle Brace (B), a Squaring Arm Stop (C) and
fasteners. See Figure 12.
1 . The Fletcher 2200 should be resting on a flat surface large enough to
provide support for the Right Squaring Arm. You will see a hole in the
Base about 5" from the near end (D). Assemble the flat head screw,
from the parts bag, through the Right Squaring Arm and the Base.
Place the washer, lock washer, and hex nut on the screw from beneath
the Base and tighten.
2. On the right edge of the Base about 40" from the near end, you will find
a button head screw (E) which is threaded into a nut in the Base.
Remove the screw with the 5/32" hex wrench. Leave the nut in the
Base. At the upper end of the Angle Brace, you will see a hole in a
bracket. Connect this bracket to the edge of the Base using the button
head screw and nut. Tighten the screw only slightly.
3. Remove the flat head screw and eccentric hex nut from the parts bag. Assemble this screw and eccentric nut through
the Right Squaring Arm and the hole in the end of the Angle Brace (B). Be sure the eccentric nut (F) is fully seated
in the 7/16" hole in the Angle Brace. Leave it slightly loose.
4. Turn the hex eccentric nut with your fingers. You will notice the Right Squaring Arm move up and down with respect
Figure 13
If you are unable to obtain the square condition with this adjustment, slide the Angle Brace where it is attached with
the button head screw and repeat the eccentric nut adjustment. Be sure all screws are well tightened and then re-
check squareness by bringing the mat into contact with both the Right Squaring Arm and the Mat Guide at the
same time.
RIGHT SQUARING ARM
to the Angle Brace. At about halfway in this motion, tighten the
flat head screw while holding the eccentric nut.
5. The Mat Guide should be locked in position on the Mat Guide
Slide. Place a full size mat (32x40) horizontally on the Base
with the lower edge resting against the Squaring Arm. Note, it is
not placed on top of the scale. Slide the mat to the left so it
touches the Mat Guide evenly along the full length of the Mat
Guide. You will note the mat is probably not in contact along the
full length of the Right Squaring Arm. Slide the upper end of
the Angle Brace, under the button head screw, until the mat is in
full contact with both the Mat Guide and Right Squaring Arm.
See Figure 13.
6. Slightly loosen the flat head screw at the joint of the Squaring
Arm and Angle Brace. While holding the screw with a screw-
driver, rotate the eccentric nut slowly until the bottom edge of the
mat is in contact along the full length of the Squaring Arm and
the Mat Guide. Now, tighten the flat head screw without letting
the eccentric nut turn. Also tighten the nut under the Base
at the end of the Right Squaring Arm and the button head
screw which holds the Angle Brace to the right side of the Base.
9
C
D
B
F
A
Figure 12
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