Bedienungsanleitung Makita MT622 (Seite 5 von 36) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch)

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To stop the tool from the locked position, pull the switch

trigger fully, then release it.

For Model MT622 (Fig. 2)

CAUTION:

• Change the direction of rotation only when the tool

comes to a complete stop. Changing it before the tool

stops may damage the tool.

The switch is reversible, providing either clockwise or

counterclockwise rotation. To start the tool, simply pull

the lower part of the switch trigger for clockwise or the

upper part for counterclockwise. Release the switch

trigger to stop.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Installing top grip (auxiliary handle) (Fig. 3)

Screw the top grip on the tool securely.

Installing back grip (country specific) (Fig. 4 & 5)

Pull off the cap from the tool housing. Insert the leaf

springs into the groove of the handle part that has the

bosses. Then attach them to the bottom of the tool

housing.

Attach both of the handle parts and tighten them with the

screws securely.

Installing or removing drill bit (Fig. 6)

To install the bit, place it in the chuck as far as it will go.

Tighten the chuck by hand. Place the chuck key in each

of the three holes and tighten clockwise. Be sure to

tighten all three chuck holes evenly.

To remove the bit, turn the chuck key counterclockwise in

just one hole, then loosen the chuck by hand.

After using the chuck key, be sure to return to the original

position.

OPERATION

Drilling operation (Fig. 7)

Always use the top or back grip (auxiliary handle) and

firmly hold the tool by top or back grip and switch handle

during operations.

Drilling in wood

When 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.

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.

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 twisting force exerted on the

tool/bit at the time of hole breakthrough. 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. (For Model MT622)

• Always secure small workpieces in a vise or similar

hold-down device.

• Avoid drilling in material that you suspect contains

hidden nails or other things that may cause the bit to

bind or break.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and

unplugged before attempting to perform inspection or

maintenance.

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

like. Discoloration, deformation or cracks may result.

Replacing carbon brushes (Fig. 8 & 9)

Remove and check the carbon brushes regularly.

Replace when they wear down to the limit mark. Keep

the carbon brushes clean and free to slip in the holders.

Both carbon brushes should be replaced at the same

time. Use only identical carbon brushes.

Use a screwdriver to remove the brush holder caps. Take

out the worn carbon brushes, insert the new ones and

secure the brush holder caps.

To maintain product SAFETY and RELIABILITY, repairs,

any other maintenance or adjustment should be

performed by Makita Authorized Service Centers, always

using Makita replacement parts.

ENG905-1

Noise

The typical A-weighted noise level determined according

to EN60745:

Model MT621

Sound pressure level (L

): 84 dB (A)

Sound power level (L

): 95 dB (A)

Uncertainty (K): 3 dB (A)

Model MT622

Sound pressure level (L

): 82 dB (A)

Sound power level (L

): 93 dB (A)

Uncertainty (K): 3 dB (A)

Wear ear protection

ENG900-1

Vibration

The vibration total value (tri-axial vector sum) determined

according to EN60745:

Work mode: drilling into metal

Vibration emission (a

h, D

): 2.5 m/s

or less

Uncertainty (K) : 1.5 m/s

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