Manual Makita BTP141 (page 10 of 84) (English, German, Dutch, Danish, French, Italian, Portuguese, Turkish, Spanish)

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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 pres-

sure gives best results. Keep the tool in position and pre-

vent 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 perfor-

mance 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 excep-

tions are iron and brass which should be drilled dry.

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 refasten-

ing, 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 operat-

ing, 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.

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.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the bat-

tery cartridge is removed before attempting to perform

inspection or maintenance except for the following trou-

bleshooting related to the light.

• Never use gasoline, benzine, thinner, alcohol or the

like. Discoloration, deformation or cracks may result.

To maintain product SAFETY and RELIABILITY, repairs,

any other maintenance or adjustment should be per-

formed by Makita Authorized Service Centers, always

using Makita replacement parts.

Nominal diameter of wood

screw (mm)

Recommended size of

pilot hole (mm)

3.1 2.0 – 2.2

3.5 2.2 – 2.5

3.8 2.5 – 2.8

4.5 2.9 – 3.2

4.8 3.1 – 3.4

5.1 3.3 – 3.6

5.5 3.7 – 3.9

5.8 4.0 – 4.2

6.1 4.2 – 4.4

Number

on LED

Display

Fastening torque rate

Low (1) High (2)

Approx. 2.5 N•m

(Approx. 25.5 kgf. cm)

Approx. 1.1 N•m

(Approx. 11.2 kgf. cm)

Approx. 4.6 N•m

(Approx. 46.9 kgf. cm)

Approx. 2.0 N•m

(Approx. 20.4 kgf. cm)

Approx. 8.1 N•m

(Approx. 82.6 kgf. cm)

Approx. 3.0 N•m

(Approx. 30.6 kgf. cm)

Approx. 10.0 N•m

(Approx. 102.0 kgf.

cm)

Approx. 4.0 N•m

(Approx. 40.8 kgf. cm)

Approx. 11.5 N•m

(Approx. 117.3 kgf. cm)

Approx. 5.8 N•m

(Approx. 59.1 kgf. cm)

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Makita BTP141 Manual

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