Alvin PXB Series User manual

A
B
C
General Usage Information
The PXB is shipped with the straightedge locked in the middle of the board.
To release the straightedge, loosen both of the brake knobs (A). To lock the
straightedge in any position on the board, tighten the brake knobs gently.
(see Figure 1)
The PXB can be used in the flat or elevated position. Open or close the legs
(D) underneath for desired angle. Rubber grip tracks (E) under board catch
on the edge of a table to bring the drawing surface closer to the user and
increase the working angle for comfort. (see Figure 2)
The straightedge is designed to be lifted slightly off the surface of
the board when sliding it up and down so that the work beneath it
is not damaged or smudged. There is sufficient clearance to put
3/16" foamboard under the straightedge.
PXB Series Parallel Straightedge Board
Usage & Care Instructions
PXB Series Boards are
available in the following sizes:
PXB21 16" x 21"
PXB24 18" x 24"
PXB26 20" x 26"
PXB31 23" x 31"
PXB36 24" x 36"
PXB42 30" x 42"
Thank you for purchasing an Alvin PXB
Series Parallel Straightedge Drawing
Board. With proper care and handling
your PXB will provide you with years
of accurate and productive use.
D
E
To Fine Tune Straightedge Parallelism
There may be times when you tape a project to the board and find
that the existing lines aren’t exactly parallel to the straightedge.
Instead of pulling the project off and retaping, you can fine tune the parallelism of the straightedge.
Release brake knobs (A). (see Figure 1)
Loosen (don’t unscrew completely) the fine tune parallel knob (B) on either side of the straightedge.
Adjust the position of the end bracket (C) until the straightedge is parallel with your work.
Retighten the fine tune parallel knob.
If additional fine tune adjustment is necessary, repeat on the opposite end of the straightedge.
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2
3
4
5
Figure 3
G
H
F
To Adjust Parallelism When Fine Tuning Is Not Enough
Make sure the fine tune parallel knobs on both sides are tight (B). (see Figure 1)
Release brake knobs (F). (see Figure 3)
Loosen (don’t unscrew completely) one of the wire capture knobs (G) on either
side of the straightedge.
Make sure board is facing up and slide the end bracket (H) along the wire until the
straightedge reaches the desired parallel position.
Retighten the wire capture knob securely.
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2
3
4
5
Figure 2 Table
Figure 1

To Replace or Reset the Wire
Note: A Phillips screwdriver is needed to replace or reset the wire.
Start with the blade centered and locked in the middle of the board.
Remove the small Phillips screw from wire capture knob (I). (see Figure 4)
Loosen wire capture knob enough to thread the wire under the T-bolt (J).
Thread wire through all four pulleys (see Figure 5)with ends meeting in
the middle.
Crosswire should go under the wire cover plate (K) in the center of the board.
(see Figure 6)
Attach spring to loops at each end of wire (L). Spring should be in the center of
the board and should ride above the wire cover plate, not under it.
Tighten wire capture knobs and reinsert small Phillips screws. Tighten securely.
1
2
3
4
5
6
7
I
J
K
L
Care and Handling
Keep top adjustment knobs tight to ensure straightedge stays parallel.
Avoid over tightening adjustment knobs or damage may occur.
Clean board surface and underside of blade with mild detergent and soft cloth. Wipe dry.
When transporting or storing the PXB, lock the straightedge at the bottom edge of the board to minimize the chance of damage.
Protect your PXB from damage by storing and transporting in a protective case.
Do not attempt to move straightedge with brakes tightened.
Avoid direct exposure to sunlight and extreme heat.
Figure 4
Figure 5
Figure 6
Wire
capture
knob
T-bolt
Troubleshooting
If straightedge does not slide easily up and down, check that:
Brakes are not dragging
Wires pass properly through pulleys
Pulleys are spinning freely
Spring is not running into pulleys

Spare Parts
Spare parts can be ordered from Alvin retailers.
Visit www.alvinco.com to locate a retailer near you or online.
©2013 ALVIN & COMPANY, INC. • P.O. Box 188, Windsor, CT 06095-0722
Phone: [phone] • Toll-Free: 800-444-2584 • Fax: [phone] • Toll-Free Fax: [phone]
www.alvinco.com
LIT-A13131 8/13
Limited 1 Year Warranty
Alvin & Company warrants its PXB Boards to be free from defects in workmanship and materials under normal use for a period of one
year from date of purchase for the original owner. Should service be required by reason of any defect or malfunction, Alvin will repair,
provide replacement parts, or at its discretion, replace the product without charge subject to verification of the defect or malfunction.
This warranty is valid only if the product is used for the purpose for which it was designed. It does not cover products that have been
damaged by negligence, misuse, or accident or which have been modified or repaired by unauthorized persons. Coverage is at Alvin’s
discretion, subject to verification. Please call Alvin customer service for details.
Item No. Description
KRKN Knob Replacement Kit: top knobs (2), brake
knobs (2),wire capture knobs (2)
BX2N Side Bracket Replacement Kit: metal side
bracket assemblies (2) with all knobs and
plastic end caps (2)
PRKN Pulley Replacement Kit: pulley assemblies
(4), screws (8)
PHXN Handle Replacement Kit: handle, screws (4)
BXSMN Leg Replacement Kit for PXB21, PXB24,
PXB26: short legs (2), leg attachment
plates (2), screws (4)
BXLGN Leg Replacement Kit for PXB31, PXB36,
PXB42: long legs (2), leg attachment
plates (2), screws (4)
TF2N Rubber Feet and Grip Tracks rubber grip
tracks (2), rubber feet (4), screws (4)
SRKN Straightedge Rubber Grip Strips (2)
with self adhesive strips (fits all sizes)
Replacement Straightedges
BX21N 21" straightedge blade for PXB21
BX24N 24" straightedge blade for PXB24
BX26N 26" straightedge blade for PXB26
BX31N 31" straightedge blade for PXB31
BX36N 36" straightedge blade for PXB36
BX42N 42" straightedge blade for PXB42
KRKN
BX2N
PRKN
PHXN
BXSMN
BXLGN
TF2N
SRKN
Wire Replacement Kits
Each Contain: wire, spring, wire cover
plate, screw
WRK21N For PXB21
WRK24N For PXB24
WRK26N For PXB26
WRK31N For PXB31
WRK36N For PXB36
WRK42N For PXB42