Hydra Borer Handle
Digging the Trenches
1. Mark planned bore path and all located utility
lines with flags or paint.
2. Dig both trenches at least 10 cm (4 inches)
wide and 45.72 cm (18 inches) deep.
3. Dig the approach trench
(7 ft) long.
Note:
perpendicular to the sidewalk
4. Dig the target trench
182.88 cm (6 ft) long.
Note:
across from the approach trench.
3462-340 A
G434343
The approach trench should be
to be 91.44 cm (3 ft) to
The target trench should be centered
at least 216.36 cm
or driveway.
Page 3–1
Operation
Push the handle to rotate the drill
clockwise.
Pull the handle to rotate the drill
counterclockwise.
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Chapter 3
Operation