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Greenlee Site-Rite 840A Mode D'emploi page 10

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Les langues disponibles

Les langues disponibles

22-1/2° x 22-1/2°
OFFSET
CENTER-TO-
HEIGHT
CENTER
2
5-1/4
3
7-3/4
4
10-1/2
5
13
6
15-1/2
7
18-1/4
8
20-3/4
9
23-1/2
10
26
3-Bend Saddle
A Saddle creates a bridge to avoid an obstruction blocking the run of the conduit and returning the end of the
conduit to the same level as the original run of conduit.
1. Measure the HEIGHT of the obstruction and the
LENGTH TO CENTER of the saddle. Select an angle
for the outer bends. The center bend will be twice
the selected angle. (Fig.8)
LENGTH TO CENTER
H
Figure 8
2. Find the shrinkage per inch for the outer bend
angles (Table 1). Multiply the Table 1 value by the
Height for the Total Shrink.
Total Shrink = Height x Shrink
3. Measure Length to Center + Total Shrink to find
MARK A.
4. Measure 2.5 x Height from each side of MARK A
(Table 3) for MARK B & C.
SHRINK PER INCH
10
TABLE 2: SPEED GUIDE FOR OFFSETS (in.)
(APPLIES FOR ANY SIZE CONDUIT)
30° x 30°
SHRINK
CENTER-TO-
AMOUNT
CENTER
3/8
9/16
6
3/4
8
15/16
10
1-1/8
12
1-5/16
14
1-1/2
16
1-3/4
18
1-7/8
20
SADDLE
CENTER
ANGLE
TABLE 3: 45° SADDLE (in.)
(APPLIES TO ANY SIZE CONDUIT)
PLACE MARK A AHEAD OF
HEIGHT
SADDLE CENTER
1
3/16
2
3/8
3
9/16
4
3/4
5
15/16
6
1-1/8
3/16
SHRINK
CENTER-TO-
AMOUNT
CENTER
3/4
1
1-1/4
7
1-1/2
8-1/2
1-3/4
9-3/4
2
11-1/4
2-1/4
12-1/2
2-1/2
14
5. Mark conduit. (Fig. 9)
LENGTH TO CENTER + SHRINK
6. Follow bending sequence; B>A>C or C>A>B. Align
the MARK B & C bending marks with the arrow and
MARK A with the saddle notch. The bend at MARK A
will be twice the bend angle for B & C.(Fig. 10)
MARK
B
PLACE MARKS B & C THIS
DISTANCE FROM MARK A
© 2023 Greenlee Tools, Inc.
®
Site-Rite
Hand Benders
45° x 45°
SHRINK
CENTER-TO-
AMOUNT
CENTER
1-7/8
2-1/4
7-1/4
2-5/8
8-3/8
3
9-5/8
3-3/8
10-7/8
3-3/4
12
SADDLE
CENTER
-2.5 X H
MARK
MARK
B
Figure 9
MARK
A
Figure 10
2-1/2
5
7-1/2
10
12-1/2
15
2-1/2
60° x 60°
SHRINK
AMOUNT
3
3-1/2
4
4-1/2
5
+2.5 X H
MARK
A
C
MARK
C
52034125 REV 02

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