Itm HOLEMAKER PRO 52-MT2 User manual

HOLEMAKER PRO 52-MT2
Holemaker Portable Magnetic Drilling Machine
OPERATOR’S MANUAL
Holemaker Portable Magnetic Drilling Machine
OPERATOR’S MANUAL
WARNING!
BEFORE USE,ENSURE EVERYONE USING THIS MACHINE READS AND UNDERSTANDS
ALL SAFETY AND OPERATING INSTRUCTIONS IN THIS MANUAL .
esahcruPfoetaD#laireS
HOLEMAKER PRO 50
BEWARE OF
ROTATING
MACHINE PARTS
LINE VOLTAGE
PRESENT
NEVER PLACE
FINGERS NEAR
CUTTING AREA OR
MACHINE ARBOR
HEARING PROTECTION
REQUIRED
EYE PROTECTION
REQUIRED
Ver: 1.20 07/10/2015
Holemaker Portable Magnetic Drilling Machine
OPERATOR’S MANUAL
WARNING!
BEFORE USE,ENSURE EVERYONE USING THIS MACHINE READS AND UNDERSTANDS
ALL SAFETY AND OPERATING INSTRUCTIONS IN THIS MANUAL .
esahcruPfoetaD#laireS
HOLEMAKER PRO 50
BEWARE OF
ROTATING
MACHINE PARTS
LINE VOLTAGE
PRESENT
NEVER PLACE
FINGERS NEAR
CUTTING AREA OR
MACHINE ARBOR
HEARING PROTECTION
REQUIRED
EYE PROTECTION
REQUIRED
Ver: 1.20 07/10/2015
Ver: 1.06 27/09/2023

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LIMITED WARRANTY
Industrial Tool & Machinery Sales (hereinafter referred to as ITMS) will, within twelve (12) months from the
original date of purchase, repair or replace any goods found to be defective in materials or workmanship.
This warranty is void if the item has been damaged by accident, neglect, improper service or other causes not
arising out of defects in materials or workmanship. This warranty does not apply to machines and/or components
which have been altered, changed, or modified in any way, or subjected to overloading or use beyond
recommended capacities and specifications. Worn componentry due to normal wear and tear is not a warranty
claim. Goods returned defective shall be returned prepaid freight to ITMS or agreed repair agent, which shall
be the buyer’s sole and exclusive remedy for defective goods. ITMS accepts no additional liability pursuant to
this guarantee for the costs of travelling or transportation of the product or parts to and from ITMS or the service
agent or dealer, such costs are not included in this warranty.
Our goods come with guarantees which cannot be excluded under the Australian Consumer Law. You are
entitled to replacement or refund for a major failure and to compensation for other reasonably foreseeable loss
or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable
quality and the failure does not amount to a major failure.
THE MANUFACTURER RESERVES THE RIGHT TO MAKE IMPROVEMENTS AND
MODIFICATIONS TO DESIGN WITHOUT PRIOR NOTICE.
PRODUCTS IMPORTED AND DISTRIBUTED NATIONALLY BY:
INDUSTRIAL TOOL & MACHINERY SALES
11 EASTERN SERVICES RD, STAPYLTON QLD 4207
T: 07 3287 1114 E: [email protected]
F: 07 3287 1115 W: www.itmtools.com.au
1. GENERAL INFORMATION.............................................................................. 3
1.1. Application........................................................................................................ 3
1.2. Technical data.................................................................................................. 3
1.3. Equipment included.......................................................................................... 4
1.4. Dimensions ...................................................................................................... 5
1.5. Design.............................................................................................................. 5
2. SAFETY PRECAUTIONS ................................................................................ 6
3. STARTUP AND OPERATION.......................................................................... 8
3.1. Installing the handles ....................................................................................... 8
3.2. Installing the tools ............................................................................................ 9
3.3. Installing and removing the annular cutter ...................................................... 11
3.4. Installing and removing the cooling system .................................................... 12
3.5. Monitoring system of the clamping force......................................................... 13
3.6. Preparing......................................................................................................... 13
3.7. Drilling ............................................................................................................. 15
3.8. Adjusting the gibs............................................................................................ 17
3.9. Replacing the brushes .................................................................................... 18
4. PARTS LIST.................................................................................................... 19

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1. GENERAL INFORMATION
1.1. Application
The PRO 52-MT2 is a drilling machine designed to drill holes with diameters of up to
52 mm by using annular cutters. The machine can also drill holes with diameters of
up to 23 mm by using twist drill bits. It also allows machining holes with diameters of
up to 55 mm by using countersinks.
The electromagnetic base clamps the machine to ferromagnetic surfaces. This
makes sure that the operator is safe and the machine works correctly. A safety strap
protects the machine from falling in case of a clamping loss.
Accessories allow you to drill in pipes and clamp the machine to flat non-
ferromagnetic surfaces.
1.2. Technical data
Voltage
1~ 220–240 V, 50–60 Hz
Power
1100 W
Spindle shank
MT2
Tool holder
19 mm (3/4″) Weldon
Maximum drilling diameter with a TCT annular cutter
52 mm
Maximum drilling diameter with a HSS annular cutter
52 mm
Maximum drilling diameter with a twist drill bit
23 mm
Maximum diameter of a hole to be machined with a countersink
55 mm
Maximum drilling depth
52 mm
Clamping force
(surface with the thickness of 25 mm and roughness R
a
= 1.25)
9900 N
Electromagnetic base dimensions
84 mm × 168 mm × 48 mm
Stroke
165 mm
Rotational speed with load
240 rpm
480 rpm
Minimum workpiece thickness
6 mm (0.24″)
Protection class
I
Protection level
IP 20
Noise level
More than 70 dB
Required ambient temperature
0–40°C (32–104°F)
Weight
16.5 kg

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1.3. Equipment included
1
Drilling machine
1 unit
2
Plastic box
1 unit
3
Handle
3 units
4
MT2 arbor with 19 mm (3/4″) Weldon tool holder
1 unit
5
Safety strap
1 unit
6
Cooling system
1 unit
7
Protective spring for cooling system hose
1 unit
8
MT2 drift
1 unit
9
2.5 mm hex wrench
1 unit
10
5 mm hex wrench
1 unit
11
5 mm hex wrench with a handle
1 unit
12
8 mm combination wrench
1 unit
–
Operator’s manual
1 unit
7
8
9
10
11
6
5
4
3
1
2
12

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1.4. Dimensions
331 mm (13″)
254 mm (10″)
456–616 mm (18–24″)
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1.4. Dimensions
331 mm (13″)
254 mm (10″)
456–616 mm (18–24″)
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1.5. Design
Gib
Gear switch
Feed shaft
Bottle valve lever
Chip guard
Electromagnetic base
Hole for a safety strap
Electromagnetic base
(MAGNET) switch
Carrying handle
Motor START
Motor STOP
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1.5. Design
Gib
Gear switch
Feed shaft
Bottle valve lever
Chip guard
Electromagnetic base
Hole for a safety strap
Electromagnetic base
(MAGNET) switch
Carrying handle
Motor START
Motor STOP
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1.5. Design
Gib
Gear switch
Feed shaft
Bottle valve lever
Chip guard
Electromagnetic base
Hole for a safety strap
Electromagnetic base
(MAGNET) switch
Carrying handle
Motor START
Motor STOP
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1.5. Design
Gib
Gear switch
Feed shaft
Bottle valve lever
Chip guard
Electromagnetic base
Hole for a safety strap
Electromagnetic base
(MAGNET) switch
Carrying handle
Motor START
Motor STOP

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2. SAFETY PRECAUTIONS
1. Before use, read this operator’s manual and complete a training in occupational
safety and health.
2. Use only in applications specified in this operator’s manual.
3. Make sure that the machine has all parts and they are genuine and not damaged.
4. Make sure that the specifications of the power source are the same as those
specified on the rating plate.
5. Connect the machine to a correctly grounded power source. Protect the power
source with a 16 A fuse for 230 V or a 32 A fuse for 115 V. If you are going to work
on building sites, supply the machine through an isolation transformer with class II
protection only.
6. Set the MAGNET switch to ‘O’ before you move the machine. Use carrying handle
to move the machine.
7. Do not carry the machine by the power cord and do not pull the cord. This can
cause damage and electric shock.
8. Keep untrained bystanders away from the machine.
9. Before each use, ensure the correct condition of the machine, power source,
power cord, plug, control panel, and tools.
10. Before each use, make sure that no part is cracked or loose. Make sure to main-
tain correct conditions that can have an effect on the operation of the machine.
11. Keep the machine dry. Do not expose the machine to rain, snow, or frost.
12. Do not stay below the machine that is put at heights.
13. Keep the work area well-lit, clean, and free of obstacles.
14. Make sure that the tool is correctly attached. Remove wrenches from the work
area before you connect the machine to the power source.
15. Do not use tools that are dull or damaged.
16. Unplug the power cord before you install and remove tools. Use protective gloves
to install and remove tools.
17. Unplug the power cord before you manually turn the spindle.
18. Use annular cutters without the pilot pin only when you drill incomplete through
holes. Do not use arbors without a spring.
19. Do not drill/machine holes whose diameter or depth differ from those specified in
the technical data.
20. Do not use in explosive environments or near flammable materials.

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21. Do not use on surfaces that are rough, not flat, not rigid, or have rust, paint,
chips, or dirt.
22. Do not use if the gibs are adjusted incorrectly.
23. Do not use if there is no grease on the gibs.
24. Do not use the gear switch if the motor is on.
25. Use the safety strap to attach the machine to a stable structure. Put the strap
through the hole in the machine body. In the horizontal position, attach the strap
to the carrying handle. Do not put the strap into the buckle from the front.
26. Use eye and ear protection and protective clothing. The clothing must not be
loose.
27. We do not recommend work on workpieces thinner than 6 mm (0.24″). The
clamping force depends on the workpiece thickness and is much lower for thin
plates.
28. Each time before you put the machine on the workpiece, rub the workpiece with
coarse-grained sandpaper. Make sure that the full bottom of the base touches
the workpiece.
29. Do not touch chips or moving parts. Do not let anything catch in moving parts.
30. After use, clean the machine and the tool. Do not remove chips with bare hands.
31. Unplug the power cord before you do maintenance or install/remove parts.
32. Repair only in a service center appointed by the seller.
33. If the machine falls, is wet, or has any damage, stop the work and immediately
send the machine to the service center for check and repair.
34. Do not leave the machine when it operates.
35. If you are not going to use the machine, remove the tool from the holder. Then,
remove the machine from the work area and keep it in a safe and dry place.
36. If you are not going to use the machine for an extended period, put anti-corrosion
material on the steel parts.

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3. STARTUP AND OPERATION
3.1. Installing the handles
Attach the handles to the feed shaft. You can install the shaft so that the handles are
on the opposite side of the machine. To do this, continue in the sequence that fol-
lows.
Make sure that the shaft is engaged with the rack (4).
3
1
2
5
4

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3.2. Installing the tools
Unplug the power cord and lift the chip guard (1). Turn the handles to the right (2) to
lift the motor. Use petroleum ether to clean the spindle and the arbor (twist drill bit or
countersink). Then, clean them with a dry cloth.
Chips or grease in the spindle or on the Morse taper (3) can dam-
age the spindle.
Use gloves and a quick movement to put the arbor (drill bit or countersink) into the
spindle (4). Make sure that the stop rod is between the pin and the fitting (5).
1
2
4
5
3

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To remove the arbor (twist drill bit or countersink), continue in the sequence that
follows. Lift the motor and turn the spindle (1) so that the holes in the spindle and
gearbox align (2). Put the drift into the hole (3). Next, hold the carrying handle with
one hand and hit the drift with a mallet (4).
1
2
3
4

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3.3. Installing and removing the annular cutter
Install the arbor as described before. Use gloves to put the correct pilot pin into the
annular cutter (1). Use a dry cloth to clean the arbor and the cutter. Put the cutter into
the arbor (2) so that the flat surfaces (3) align with the screws (4). Use the 5 mm hex
wrench to tighten the screws.
To remove the cutter, loosen the screws (4) with the 5 mm hex wrench.
1
2
4
3

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3.4. Installing and removing the cooling system
Put the bottle on the screws (1). Put the hose with the spring (2) between the stop
rod and the body (3). Then, attach the hose to the fitting and move the spring to the
arbor (4, 5).
To remove the bottle, continue in reverse sequence.
1
3
2
4
5

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3.5. Monitoring system of the clamping force
The drilling machine has a system that monitors the clamping force of the electro-
magnetic base. The force will be lower if there is rust, paint, chips, or dirt. The force
will be lower also if the surface is thin, rough, not flat, not rigid, the voltage is lower
than required, or the bottom of the base is worn.
If the clamping force is too low, the system will not allow the machine to operate.
Then, after you release the green MOTOR button, the motor stops. This happens on
a surface thinner than 5 mm (0.2″). The clamping force is then only about 25% of the
force that you can get on a flat plate that is 25 mm (1″) thick. To drill on thin plates
then, press and hold the green MOTOR button.
3.6. Preparing
Before use, clean steel parts, including the MT2 socket, from anti-corrosion material
used to preserve the machine for storage and transport.
Attach the handles to the feed shaft. You can install the shaft so that the handles
are on the opposite side of the machine.
Apply a thin layer of grease to the gibs.
Select the annular cutter or drill bit that matches the required hole diameter.
When you drill holes with diameters of 18–23 mm (0.71–0.91″) by using twist drill
bits, select two bits: with 70% and 100% of the required diameter.
Use a dry cloth to clean the spindle, arbor (drill bit, countersink), and cutter.
Then, as described before, install the arbor (and then the cutter), drill bit with the
smaller diameter, or countersink.
Put the machine on a flat ferromagnetic surface with the thickness of at least
6 mm (0.24″). Make sure that there is no rust, paint, chips, or dirt. They decrease the
clamping force. The force will be lower also if the surface is thin, rough, not flat, not
rigid, the voltage is lower than required, or the bottom of the base is worn.
Connect the machine to the power source. Set the MAGNET switch to ‘I’ to turn
on the clamping. Some types of steel (non-ferromagnetic) do not conduct magnetic
flux so the machine cannot clamp onto them.
Use the safety strap to prevent fall and injury if the machine loses the clamping.
Attach the machine to a stable structure by putting the strap through the hole in the
machine body. In the horizontal position, attach the strap to the carrying handle.

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Make sure that the strap is tight and not twisted. If the machine comes loose from the
workpiece and hangs on the strap, replace the strap. Do not put the strap into the
buckle from the front.
Turn the handles to the left to put the tool tip above the workpiece.
For vertical drilling with an annular cutter, install the cooling system and fill it with
coolant. Do not use only water as the coolant. But you can mix water and drilling oil.
Then, make sure that the cooling system works correctly. To do this, lightly loosen
the bottle cap and use the lever to open the valve. Then, turn the handles to the left
to apply a light pressure on the pilot pin. The coolant should fill the system and start
flowing from the cutter.
The cooling system works by gravity. Thus, in the horizontal position, turn the
bottle. In the inverted position, use coolants under pressure or in the form of spray or
paste.
Vertical drilling
Inverted drilling
Horizontal drilling
INCORRECT
CORRECT
✓

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3.7. Drilling
Set the speed based on the table that follows.
Tool
Hole diameter Rotational
speed*
[rpm]
Gear switch
setting
mm in
HSS annular cutter
12–22 0.47–0.87 480
23–45 0.91–1.77 240
TCT annular cutter
12–25 0.47–0.98 480
26–50 1.02–1.97 240
Twist drill bit
1.5–13 0.06–0.51 480
14–23 0.55–0.91 240
* For a sharp tool and mild steel with a strength Rm< 500 N/mm2(70,000 psi), such as St0 (S185), St3S
(S235JR), or St4W (S275JO).
Steel with a strength Rm≥500 N/mm2(70,000 psi), such as St5 (E295), 18G2A
(S355N), or 45 (C45), requires lower speeds. If the speed is too high or too low for
the workpiece strength and the type/diameter of the tool, the tool will wear faster or
be unable to drill the hole.

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Press the green MOTOR button to start the motor. Turn the handles to the left to
put the tool into the workpiece.
When the annular cutter goes through the workpiece, the slug
core is pushed out with a large force.
When you use an annular cutter, drill only through holes. For incomplete through
holes do not use the pilot pin.
Keep the machine in the same position until the hole is made.
When you use a drill bit, drill holes with diameters of 18–23 mm (0.71–0.91″) in
two steps. First, use the drill bit with the 70% diameter of the required diameter to drill
a hole. Then, keep the machine in the same position, and drill again with the drill bit
that matches the required diameter.
After you get to the depth of 40 mm (1.6″), retract the tool from the workpiece as
often as possible. Then, manually apply the coolant from the bottle into the drilling area.
After the hole is made, retract the tool from the workpiece, and press the red
MOTOR button to turn off the motor. Before you move the machine, set the MAGNET
switch to ‘O’ to turn off the base.
After the work is finished and the motor turned off, set the gear switch to the
opposite position. Then, turn on the motor and let it operate for a while with no load
to improve lubrication. Next, turn off the motor and the base, and then unplug the
power cord. Clean the machine and the tool, and then remove the machine from the
work area.
Incomplete through holes
Complete through holes

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Tighten the bottle cap, close the valve, and then press the pilot pin to remove the
coolant that remains in the cooling system. Before you put the machine into the box,
remove the bottle, and use gloves to remove the tool from the holder.
3.8. Adjusting the gibs
Every 50 work hours, make sure that the gibs are correctly adjusted. To do this,
move the motor up and down and make sure that it moves smoothly.
To adjust the gibs, apply a thin layer of grease on them. Then, use the 8 mm
combination wrench, the 2.5 mm hex wrench, and the 5 mm hex wrench to loosen
the nuts and screws (1). Put the motor so that the slider is in the center of the gibs
(2). Then, lightly tighten the screws (3) so that they touch the gib. Move the motor up
and down and adjust the screws (3) so that the travel is smooth. Next, tighten the
screws (4) and then tighten the nuts (5).
1
2
3
4
5

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3.9. Replacing the brushes
Every 100 work hours, check the condition of the brushes. To do this, unplug the
power cord and remove the cover (1). Lift the spring (2) and remove the brush. If the
brush is shorter than 5 mm (0.2″), replace the two brushes with new ones.
Install in reverse sequence. Then, let the motor operate with no load for
20 minutes.
1
2

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4.0. PARTS LIST
Parts list v.0.05
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10
7 8 11
9
6
5
3
4
1
2
ITEM PART NUMBER DESCRIPTION Q-TY
1
SKR-000028
PLASTIC BOX
1
2
DZW-0212-12-00-00-1
SPOKE HANDLE ASSY
3
3
KLC-000037
5 MM HEX WRENCH WITH HANDLE
1
4
KLC-000005
2,5 HEX WRENCH
1
5
KLC-0565-08-00-00-0
5 HEX WRENCH
1
6
KLC-000003
8 COMBINATION WRENCH
1
7
KLN-0103-01-00-00-0
DRIFT MT2
1
8
PAS-000008
SAFETY STRAP
1
9
UCW-0220-00-00-01-0
ARBOR AMT2-C19/2-2
1
10
UKL-0399-11-00-00-0
COOLING SYSTEM
1
11
OSL-0399-17-00-00-0
SAFETY SPRING
1
*not shown in the drawing

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Parts list v.0.05
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36
38
23
9
1
11
2722
17
32
19
13
25
18
30
24
31
16
8
10
7
15
6
20
21
33
2
35
37
12
5
14
4
28
34
29
3
26
ITEM
PART NUMBER
DESCRIPTION
Q-TY
1
NPD-0684-02-00-00-0
MOTOR ASSY – 230V
1
2
PWD-0684-03-02-00-1
MOTOR WIRE ASSY
1
3
WKR-000415
HEX SOCKET ROUND HEAD SCREW WITH FLANGE M5x20
2
4
PDK-000151
NYLON WASHER 8,1x14x3
4
5
TLJ-0399-06-00-00-0
BOTTOM SLEEVE
2
6
SPR-000030
SPRING 1x10x17.5
2
7
SRB-000304
HEX SOCKET HEAD CAP SCREW M6x20
8
8
PDK-000136
ROUND WASHER 6,4
8
9
LST-0331-01-05-00-0
GIB
1
10
LST-0331-01-04-00-0
ADJUSTABLE GIB
1
11
PRS-000019
EXTERNAL RETAINING RING 28z
1
12
WLK-0140-04-01-00-1
PINION SHAFT
1
13
WZK-0242-04-00-00-0
REED WIRES SET
1
14
MSK-0684-04-01-00-0
PANEL PLATE
1
15
STR-0257-04-03-00-2
MODULE - 230V
1
16
FLT-0257-04-12-00-0
INTERFERENCE ELIMINATOR
1
17
SCN-0684-09-00-00-0
BODY COVER
1
18
KRP-0684-01-01-01-1
DRILL BODY ASSY
1
19
PDS-0684-05-00-00-0
ELECTROMAGNETIC BASE ASSY
1
20
OSL-0684-06-00-00-0
GUARD
1
21
NKR-000013
HEX NUT M4
1
22
PDK-000161
EXTERNAL TOOTH LOCK WASHER 3,7
8