HMPRO35 OPERATOR’S MANUAL
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TRADEMASTER
Magnetic Base Drilling Machines
Tools and Machinery
AIR
3.3 Preparing
Before starting, clean steel parts, including the arbor, from anti-corrosion coating used
to preserve the machine for storage and transport.
To allow working in places hard to reach or using the machine by a left-handed
person, the feed shaft can be installed so that the handles are on the opposite side of
the machine.
Select the proper annular cutter based on the hole size desired. Next, use a clean
and dry cloth to wipe the arbor and cutter, and then install the cutter into the arbor as
described before.
Place the machine on a flat ferromagnetic workpiece with the thickness of at least
6 mm. The workpiece must be clean, without rust, paint, or chips that decrease the
holding force. The force value depends also on the type, thickness, flatness, and
roughness of the surface, fluctuations of the supply voltage, and the wear of the
electromagnetic base bottom. Then, connect the machine to the power source and
set the MAGNET switch to ‘I’ to turn on the clamping. Some types of steel are non-
ferromagnetic (do not conduct magnetic flux) and the magnetic base is not able to
clamp onto them. If the LED indicator flashes, the holding force is not enough. The
operator bares is sole responsibile for operating in such conditions.
Use the safety strap to prevent the machine from falling and avoid possible injury to
the operator if the machine loses the clamping. To protect the machine, attach it to
a fixed structure by fastening the strap through the opening (Fig. 5a, 5b) or to the
carrying handle when working in horizontal position (Fig. 5c). The strap must be tight,
not twisted, and must be replaced every single time the machine hangs on the strap
as a result of coming loose from steel. Never insert the strap into the buckle from the
front (Fig. 5d).
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