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Pittsburgh 31980 Assembly Instructions Manual page 7

Compact bender

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Placement of Die
Dies are placed at one or two different locations depending on the bend to be made:
A die can be used in conjunction with the Short Hitch Pin (#2) at the intersection of the Outer Handle/Die
Receiver (#9) and the Ring Assembly/Die Receiver (#10).
The Die can also be placed on the Outer Handle/Die Receiver (#9).
Two Dies can be placed so that one is on the Outer Handle/Die Receiver (#9) and one at the center point
where the Outer Handle/Die Receiver (#9) and Ring Assembly/Die Receiver (#10) intersect-see Figure 3.
Orientation of the Handle
The Handle is always oriented up and on the right side. The Handle is always moved clockwise
when a bend is being made.
Use of the Square Stop Block
The Stop Block is so named because it stops the workpiece from turning while the workpiece is being bent,
thus "stopping" movement of the workpiece.
When bending your workpiece, place the Square Stop Block (#3) over one of the holes in the Ring Assembly/
Die Receiver (#10). You will have to do some testing to determine placement of the Square Stop Block. You
will need to place it over the appropriate hole for the bend you desire and the Die you are using.
Step 1)
There are four (4) key positions to place the Square Stop Block (#3) in while bending. The four
positions (as seen from looking down on the top of the Square Stop Block) are identified in this
manual by a letter; A, B, C, or D. See Figure 5 on the next page, for the letter and the
corresponding position of the Square Stop Block.
Warning:
Always position the Stop Block so that it's hole is oriented to the right side. Even
though another side of the Stop Block may actually face the work piece. If the hole is
oriented left instead of right, this will result in the Stop Block turning which will cause the
workpiece to move.
Step 2)
Set the appropriate Die into place on the Outer Handle/Die Receiver (#9) between the upper
and lower fork. Secure the Die in place by inserting the Short Hitch Pin (#2) through the Outer
Handle/Die Receiver (#9) and the Square Stop Block. The Square Stop Block (#3) is held in
place against the stock as shown in Figure 7 on page 12.
Step 3)
Set your workpiece into position. With the Handle (#9) in the starting position, set the Square
Stop Block (#3) as close to the Long Hitch Pin (#1) at the center position, as possible.
Note:
To avoid large spaces between the Stop Block, the Center Pin and selected Die, orient the
Square Stop Block differently, or if possible, move it one hole closer to center.
#31980
Page 7

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