Gardner Bender B2000 Series G-OLD Cyclone Bender - Manual

10. To bend more conduit of the same material and at the
same angle, load and secure as described in steps 3
through 6. To bend the same type conduit but at a different
angle, load and secure; turn angle indicator to the desired
angle, then press toggle to bend.
11. Bending different type and size conduit requires repeating
steps 2 through 10.
4.3 Offset Bending
1. Obtain distance “M" from table A, and measure this
distance from mark #1 and place mark #2.
2. Now place mark #1 in line with front edge of shoe clamp
and make first bend.
3. Next rotate conduit 180° level, place mark #2 in
line with front edge of shoe clamp and make
second bend.
NOTE: When bending rigid aluminum, set bend angle indicator
approximately 4° short of desired angle, since aluminum does
not have spring-back of steel.
4.4 Stub-up Bending
1. Table C shows minimum length (inches).
2. Mark #1 is stub length, deduct from this as per table C
and obtain mark #2.
Offset
Beam
Box
M
Front Edge of Clamp
See Table A
Min. 2"
Mark #2 Mark #1
5
Offset Conduit Conduit Conduit
Required Max. Size M Max. Size M Max. Size M
2” 3 ⁄ 4 ” 7 3 ⁄ 4 ”
4” 1 1 ⁄ 2 ” 15 7 ⁄ 16 ” 3 ⁄ 4 ” 8”
6” 2” 23 3 ⁄ 16 ” 1” 12” 1 ⁄ 2 ” 8 1 ⁄ 2 ”
8” 30 5 ⁄ 8 ” 1 1 ⁄ 2 ” 16” 1” 11 5 ⁄ 16 ”
10” 38 5 ⁄ 8 ” 2” 20” 1 1 ⁄ 4 ” 14 1 ⁄ 8 ”
12” 46 3 ⁄ 8 ” 24” 1 1 ⁄ 2 ” 16 15 ⁄ 16 ”
14” 54 1 ⁄ 16 ” 28” 2” 19 13 ⁄ 16 ”
16” 61 13 ⁄ 16 ” 32” 22 5 ⁄ 8 ”
18” 67 7 ⁄ 16 ” 36” 25 7 ⁄ 16 ”
20” 77 1 ⁄ 4 ” 40” 28 1 ⁄ 4 ”
22” 85” 44” 31 1 ⁄ 8 ”
To locate distance between centers of offset bending marks other than listed in
table A use the following multipliers:
15˚ bend - 3.9
30˚ bend - 2.0
45˚ bend - 1.4
Table A
15˚ Bend 30˚ Bend 45˚ Bend
Conduit Radius Radius
Size Rigid / IMC EMT
1 ⁄ 2 ” 3 31 ⁄ 32 ” 3 7 ⁄ 8 ”
3 ⁄ 4 ” 4 25 ⁄ 32 ” 4 29 ⁄ 32 ”
1” 5 9 ⁄ 16 ” 5 29 ⁄ 32 ”
1 1 ⁄ 4 ” 6 7 ⁄ 8 ” 7 3 ⁄ 32 ”
1 1 ⁄ 2 ” 7 9 ⁄ 16 ” 7 1 ⁄ 2 ”
2” 8 9 ⁄ 32 ” 8 9 ⁄ 16 ”
Table B
BEND RADIUS
1 ⁄ 2 ” Rigid 7 3 ⁄ 4 ” 1 1 ⁄ 4 ” Rigid 12 3 ⁄ 4 ”
1 ⁄ 2 ” IMC 7 3 ⁄ 4 ” 1 1 ⁄ 4 ” IMC 12 1 ⁄ 2 ”
1 ⁄ 2 ” EMT 7 5 ⁄ 8 ” 1 1 ⁄ 4 ” EMT 13”
3 ⁄ 4 ” Rigid 9” 1 1 ⁄ 2 ” Rigid 13 1 ⁄ 2 ”
3 ⁄ 4 ” IMC 9” 1 1 ⁄ 2 ” IMC 13 1 ⁄ 2 ”
3 ⁄ 4 ” EMT 8 1 ⁄ 2 ” 1 1 ⁄ 2 ” EMT 13 1 ⁄ 2 ”
1” Rigid 10 1 ⁄ 8 ” 2” Rigid 15 3 ⁄ 4 ”
1” IMC 10 1 ⁄ 8 ” 2” IMC 15 1 ⁄ 2 ”
1” EMT 10 3 ⁄ 8 ” 2” EMT 15 1 ⁄ 2 ”
Table C
Conduit Stub-up Conduit Stub-up
Size Set-back Size Set-back
Shoe
Min. 2˝
Stub Length
Set Back
Mark #2 Mark #1
Front Edge of
Clamp Mark #2
Stub to Bottom
of Pipe