HMPRO36AD OPERATOR’S MANUAL
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3.4. Drilling
Start the motor with the green MOTOR button, and slowly rotate the handle to the left
to lower the tool to the workpiece, and start drilling.
When using annular cutter, drill holes in one pass.
When using drill bits, drill holes with diameters of
8–12 mm (5/16’’ – 1/2’’) in two
passes. Drill a first hole by using a drill bit with the 70% diameter of the hole size
desired, and then drill again by using a bit with the diameter equal to the hole size
desired.
After the hole is made, retract the tool from the workpiece and press the red
MOTOR button to stop the motor. Before moving the machine to another drilling spot,
set the MAGNET switch to ‘O’ to turn off the electromagnetic base.
After the work is finished, unplug the machine from the power source, clean
chips and excess coolant from the machine and tool, and then remove the machine
from the worksite.
Before inserting the machine into the box, remove the handle, and then wear
gloves to remove the tool from the holder.
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When the annular cutter goes through the workpiece, the slug
core is expelled from the cutter with a significant force.
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