Drilling Mode - Makita DTP131 Instruction Manual

Cordless 4 mode impact driver
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  • ENGLISH, page 1
5. Operating the tool at low speed will cause a reduction
in the fastening torque.
Hammer drill mode
CAUTION:
• Always hold the tool firmly during operation. There is a
tremendous and sudden twisting force exerted on the
tool/bit at the time of hole break-through, when the hole
becomes clogged with chips and particles, or when
striking reinforcing rods embedded in the concrete.
Be sure to use a tungsten-carbide tipped bit.
Position the bit at the desired location for the hole, then
pull the switch trigger. Do not force the tool. Light pressure
gives best results. Keep the tool in position and prevent it
from slipping away from the hole.
Do not apply more pressure when the hole becomes
clogged with chips or particles. Instead, run the tool at an
idle, then remove the bit partially from the hole. By
repeating this several times, the hole will be cleaned out
and normal drilling may be resumed.

Drilling mode

CAUTION:
• Pressing excessively on the tool will not speed up the
drilling. In fact, this excessive pressure will only serve
to damage the tip of your bit, decrease the tool
performance and shorten the service life of the tool.
• There is a tremendous force exerted on the tool/bit at
the time of hole break through. Hold the tool firmly and
exert care when the bit begins to break through the
workpiece.
• A stuck bit can be removed simply by setting the
reversing switch to reverse rotation in order to back
out. However, the tool may back out abruptly if you do
not hold it firmly.
• Always secure small workpieces in a vise or similar
hold-down device.
• Do not pull the switch trigger repeatedly when the
motor is locked. It may damage the tool.
For drilling in wood, the best results are obtained with
wood drills equipped with a guide screw. The guide screw
makes drilling easier by pulling the bit into the workpiece.
For drilling in metal, to prevent the bit from slipping when
starting a hole, make an indentation with a center-punch
and hammer at the point to be drilled. Place the point of
the bit in the indentation and start drilling.
Use a cutting lubricant when drilling metals. The
exceptions are iron and brass which should be drilled dry.
NOTE:
• Choose suitable speed for the work load. Drilling over
the following capacity may damage the tool.
High speed
Low speed
012989
Drilling capacity
Steel
6.5 mm
Wood
12 mm
Steel
10 mm
Wood
21 mm
Screwdriver mode
CAUTION:
• Adjust the number on the LED display to the proper
torque level for your work.
• Make sure that the driver bit is inserted straight in the
screw head, or the screw and/or bit may be damaged.
• Hold the tool firmly. When the clutch cuts in or
refastening, a sudden twisting force may occur and it
can twist your wrist.
Place the point of the driver bit in the screw head and
apply pressure to the tool. Start the tool slowly and then
increase the speed gradually.
NOTE:
• This tool employs an electronic clutch. The tool stops
automatically when the clutch cuts in. To keep
operating, release the switch trigger once.
• When driving wood screws, predrill pilot holes to make
driving easier and to prevent splitting of the workpiece.
See the chart.
Nominal diameter of
wood screw (mm)
3.1
3.5
3.8
4.5
4.8
5.1
5.5
5.8
6.1
006421
NOTE:
• See the following chart for the relation between the
number of torque setting and fastening torque rate.
The fastening torque rate will be different depends on
materials. Make a test fastening to get the desired
torque before operation.
Number
on LED
Low (1)
Display
Approx. 2.5 N·m
1
(Approx. 25.5 kgf·cm)
Approx. 4.6 N·m
3
(Approx. 46.9 kgf·cm)
Approx. 8.1 N·m
5
(Approx. 82.6 kgf·cm)
Approx. 10.0 N·m
7
(Approx. 102.0
kgf·cm)
Approx. 11.5 N·m
9
(Approx. 117.3
kgf·cm)
012276
Recommended size of
pilot hole (mm)
2.0 - 2.2
2.2 - 2.5
2.5 - 2.8
2.9 - 3.2
3.1 - 3.4
3.3 - 3.6
3.7 - 3.9
4.0 - 4.2
4.2 - 4.4
Fastening torque rate
High (2)
Approx. 1.1 N·m
(Approx. 11.2 kgf·cm)
Approx. 2.0 N·m
(Approx. 20.4 kgf·cm)
Approx. 3.0 N·m
(Approx. 30.6 kgf·cm)
Approx. 4.0 N·m
(Approx. 40.8 kgf·cm)
Approx. 5.8 N·m
(Approx. 59.1 kgf·cm)
13

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