Handleiding Makita TW 0250 (pagina 5 van 32) (Nederlands, Duits, Engels, Frans, Italiaans, Portugees, Spaans, Deens)

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For socket without O-ring and pin (Fig. 3)

To install the socket, push it onto the anvil of the tool until

it locks into place.

To remove the socket, simply pull it off.

For socket with O-ring and pin (Fig. 4)

Move the O-ring out of the groove in the socket and

remove the pin from the socket. Fit the socket onto the

anvil of the tool so that the hole in the socket is aligned

with the hole in the anvil. Insert the pin through the hole

in the socket and anvil. Then return the O-ring to the orig-

inal position in the socket groove to retain the pin. To

remove the socket, follow the installation procedures in

reverse.

Hook

The hook is convenient for temporarily hanging the tool.

This can be removed without using a tool. This can be

installed on either side of the tool.

Installing and removing hook (Fig. 5)

Expand the upper part of the hook in both directions and

remove it. To install the hook, follow the removal proce-

dure in reverse.

OPERATION

Holding the tool

Hold the tool only by the handle when performing an

operation. Do not touch the metal part. (Fig. 6)

The proper fastening torque may differ depending upon

the kind or size of the bolt, the material of the workpiece

to be fastened, etc. The relation between fastening

torque and fastening time is shown in Fig. 7 and Fig. 8.

Hold the tool firmly and place the socket over the bolt or

nut. Turn the tool on and fasten for the proper fastening

time.

NOTE:

• When fastening screw M10 or smaller, carefully adjust

pressure on the switch so that the screw is not dam-

aged.

• Hold the tool pointed straight at the bolt or nut without

applying excessive pressure on the tool.

• If you fasten the bolt for a time longer than shown in the

figures, the bolt or the socket may be overstressed,

damaged, etc. Before starting your job, always perform

a test operation to determine the proper fastening time

for your bolt. Especially for the bolt other than M10, per-

form the above test operation to prevent the trouble on

socket or bolt, etc.

The fastening torque is affected by a wide variety of fac-

tors including the following. After fastening, always check

the torque with a torque wrench.

1. Voltage

• Voltage drop will cause a reduction in the fastening

torque.

2. Socket

• Failure to use the correct size socket will cause a

reduction in the fastening torque.

• A worn socket (wear on the hex end or square

end) will cause a reduction in the fastening torque.

3. Bolt

• Even though the torque coefficient and the class of

bolt are the same, the proper fastening torque will

differ according to the diameter of the bolt.

• Even though the diameters of bolts are the same,

the proper fastening torque will differ according to

the torque coefficient, the class of bolt and the bolt

length.

4. The use of the universal joint or the extension bar

somewhat reduces the fastening force of the impact

wrench. Compensate by fastening for a longer

period of time.

5. The manner of holding the tool or the material of

driving position to be fastened will affect the torque.

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

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. (Fig. 9)

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. (Fig. 10)

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.

ACCESSORIES

CAUTION:

• These accessories or attachments are recommended

for use with your Makita tool specified in this manual.

The use of any other accessories or attachments might

present a risk of injury to persons. Only use accessory

or attachment for its stated purpose.

If you need any assistance for more details regarding

these accessories, ask your local Makita Service Center.

• Sockets

• Extension bar

•Universal joint

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