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adhesion. Ensure that the magnet has adhered to the work piece firmly before
switching on the drill. The drill must be operated on its own electrical outlet with
a Residual Current Device as other units sharing an outlet could result in loss
of magnetic adhesion. Always use the supplied safety chain. Before each
use always check the coolant feed and level is sufficient. Never operate without
cutting coolant or paste. When drilling I beams with a curved surface, mount
the machine parallel to the work piece. Avoid operating the drill at greater than
a 45 degree angle. Over - head drilling is extremely hazardous and is not
recommended.
Machine Set Up:
Changing Tools & Adaptors
To insert a tool, turn the tool until the tang lines up and firmly push into place. It is
helpful to tap with a soft-faced mallet to fully engage the taper. If it is properly in
position, one will not be able to pull it back apart by hand.
To remove, line up the ejector slot of the arbor with the ejector slot in the gear
case, slide the ejector drift through the slot ensuring that it protrudes slightly, and
tap with a hammer to eject the tool. CAUTION: When removing, take care that
the cutting tool does not crash down and get damaged or injure anyone below.
Cutter Adaptor
This machine is equipped with a unique cutter adaptor system with built-in
coolant directly to the gearbox. No stop bar is needed. To install the cutter
adaptor, first insert the taper end of the adaptor into the arbor of the machine as
described above. Attach the coolant tank to the slide and ensure that the tube is
attached properly.
Cutters
To insert a cutter, first insert the pilot pin. Then slide the cutter into the adaptor,
align the proper flat with the locking screw(s) and tighten securely with the
supplied hex wrench. CAUTION: Ensure that the locking screw is on a flat of
the cutter and not just against the rounded shank. To remove cutter, reverse the
procedure. Ensure that the coolant feed tap is on and coolant feeds properly by
pushing the pilot pin. If it feeds too quickly or slowly, adjust the tap accordingly.
Keep the tap closed when not in use.
Twist Drills
NOTE: A pilot hole is necessary when drilling with larger twist drills. If a twist drill
is used, it is necessary to remove the arbor and support bracket and follow the
instructions below.
Arbor / Drill Chuck
If a different tool is in the machine, remove it as described above, then use the
included hex wrench to remove the three arbor support screws. Slide arbor
support off. Fit HTA53 chuck arbor and HTA54 chuck. Insert twist drill and tighten
with chuck key. Remove drill chuck as described above in 'Changing Tools &
Adaptors'.
TAPPING
1.
Select the proper speed according to the chart for the size of tap used.
2.
Begin with forward direction of rotation with standard right hand threads.
(Opposite with left-hand threads).
3.
Allow the tap to determine the feed rate. A light touch on the feed handle is
all that is needed once it is started in the hole.
4.
When the desired thread is tapped, hit the red motor stop switch. Allow the
machine to come to a full stop. Then reverse direction and restart machine
by pressing the green motor switch to remove tap. Guide the tap back out
with the feed handle.
CAUTION: To avoid damage to the tap, always very carefully line the tap
up with the hole and ensure that the size of the hole is correct for the tap
to be used.
CAUTION: To avoid damage to the tap or machine, be very careful to stop the
machine in time to NOT allow the tap to bottom out. The motor continues to coast
for a while after being shut off, so plan for this and anticipate. This machine does
NOT have a clutch
Proper order of operations for normal tapping is as follows: magnet: on
– direction: forward – motor: on – motor: off – THEN: direction: reverse – motor:
on – motor: off - magnet: off.
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