Greenlee SITE-RITE 840A Manual De Instrucciones página 9

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3-Bend Saddles (cont'd)
Saddle
Depth
1"
2"
3"
4"
5"
6"
For each
additional
inch add:
22-1/2°
Example 3: 3-Bend Saddle 45° center bend, 2" obstacle
1. Calculate the shrinkage. See the Greenlee Offset Table, Column 3.
(The amount of shrink for a 22-1/2° bend is 3/16" per inch of
obstacle. 3/16" x 2 = 3/8").
2. Measure the distance to the center of the obstruction. Mark with this
distance on the conduit – this is point "A". Add the amount of shrink to
this distance. (Place the mark 15-3/8" from the end of the conduit.)
3.
Refer to the Table for 45° Saddles for the locations of Mark B and
Mark C. (Place both marks, Mark B and Mark C, 5 inches from Mark A.)
4. Use the bending sequence as illustrated. Align Mark A with the
notch near the star. Align Marks B and C with the arrow.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Table for 45° Saddles
(applies to any size conduit)
Place center Mark "A"
ahead of actual center by
3/16"
3/8"
9/16"
3/4"
15/16"
1-1/8"
3/16"
B
BENDING SEQUENCE
15"
15-3/8"
MARK B
SITE-RITE
Place Marks "B" & "C"
each way from center
C
A 45°
2" DIAMETER
18-3/8"
5"
5"
MARK A
MARK C
Hand Benders
®
2-1/2"
5"
7-1/2"
10"
12-1/2"
15"
2-1/2"
22-1/2°


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