PXB & PLB Parallel Straightedge Board
Operation and Maintenance Instructions
PXB 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"
PLB Boards are available
in the following sizes:
PLB24
18" x 24"
PLB26
20" x 26"
PLB36
24" x 36"
Follow this recommended sequence when making adjustments to the position of the straightedge blade.
To Set Brakes for Optimum Braking Strength
(Diagram A)
Unscrew brake knobs as far as they will go.
Retighten brake knobs one full revolution only.
Loosen top adjustment knobs.
Push metal side brackets toward the center until
both brake pads rest against edges of board.
Retighten top adjustment knobs.
Brakes are now set and ready to use. Simply
tighten and loosen brake knobs as necessary.
Be sure to keep top adjustment knobs tightly
secured or the brakes will not function.
To Adjust Straightedge Blade Parallel
to Edge of Board
(Diagram A)
Loosen only
one
wire capture screw on of the blade.
Pivot the blade until it is in the desired parallel position.
Retighten wire capture screw.
Keep all adjustment knobs tight to ensure straightedge stays parallel.
To Replace or Reset the Wire
(Diagram B)
Blade should be positioned in center of board when rewiring
and spring should be centered.
Attach eyelet to one end of wire and connect eyelet to spring.
Thread wire around pulleys as shown.
Extend spring approximately 1" beyond unstretched length.
Secure wire to second eyelet and trim excess.
1
1
1
2
2
2
3
3
3
4
4
4
5
5
6
7
Side
Bracket
Brake
Knob
Brake
Pad
Wire
Capture
Screw
Wire
Diagram
A
Top
Adjustment
Knob
Straightedge
Blade
Board
Spring rides
on top of wire
Diagram
B
Lock
Unlock
Lock
Unlock
Snap Lock
Mechanism
