Full Product Manual

8
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5.0 MARKINGS AND BENDING GUIDE
These instructions are brief and will not cover all possible scenarios. Consult a conduit bending guide for more in-depth instructions.
The instructions below are similar to the procedure that would apply when bending using a hand bender.
5.1 Offset Bending
This chart is a guide for computing shrinkage. Remember, shrinkage values are only used when working into objects, not away.
The Constant Multipliers below can also be found on the Angle Indicator Dial on the bender.
ANGLE OF BEND CONSTANT MULTIPLIER SHRINKAGE/INCH (25.4 MM) OF OFFSET DEPTH
10° 6.0 1/16" (1.6 mm)
22-1/2° 2.6 3/16" (4.8 mm)
30° 2.0 1/4" (6.1 mm)
45° 1.4 3/8" (9.5 mm)
60° 1.2 1/2" (12.3 mm)
Recommended Angle Bends per Offset Depths
OFFSET DEPTH ANGLE OF BEND DISTANCE BETWEEN CONDUIT SHORTENS
1" (2.5 cm) 10° 6" (15 cm) 1/16" (2 mm)
2" (5 cm) 22-1/2° 5-1/4" (13.5 cm) 3/8" (10 mm)
3" (7.5 cm) 30° 6" (15 cm) 3/4" (19 mm)
4" (10 cm) 30° 8" (20.5 cm) 1" (26 mm)
5" (12.5 cm) 45° 7" (18 cm) 1-7/8" (48 mm)
6" (15 cm) 45° 8-1/2" (21.5 cm) 2-1/4" (55 mm)
7" (17.5 cm) 45° 9-3/4" (25 cm) 2-5/8" (67 mm)
8" (20,5 cm) 45° 11-1/4" (28.5 cm) 3" (76 mm)
9" (23 cm) 45° 12-1/2" (32 cm) 3-3/8" (86 mm)
10" (25,5 cm) 45° 14" (35,5 cm) 3-3/4" (95 mm)
Measure height of offset (Z) and multiply by a constant multiplier per angle
of bend (see chart below) to determine distance between bends.
Measure length (L) from end of conduit to offset and add shrinkage (see
chart below). Mark this length on conduit (Y). Subtract distance between
bends and mark point (X). Using arrow on bender, make desired bend at
point (X). Reverse bender and repeat at point (Y).
(For pre-determined values use chart below)
X Y
4.4 Bending with a 12-R Threader (cont.)
5. When the pendant is being used, the threader trigger must either be continuously squeezed, or the locking switch must be engaged if the threader
has a locking switch built in. If the threader does not have a locking switch, it is recommended to use a cable tie, strap, or similar device to keep the
trigger held down during use.
NOTE: Make sure to release the locking mechanism whenever the Pendant Trigger is no longer being used.
If the Locking Switch is engaged when the threader is plugged in without the Pendant Trigger it will immediately begin rotating, which could be hazardous.
6. Repeat steps 6 through 9 from section “4.2 Bending with the Gardner Bender PT200 Power Driver”.
NOTE: There may be some slight variations in the instructions based on how the threader being used functions.