Bedienungsanleitung Makita HM 1242C (Seite 6 von 15) (Englisch, Holländisch)

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Bit angle (Fig. 3)

The bit can be secured at 12 different angles. To change

the bit angle, slide the change ring forward, then turn the

change ring to change the bit angle. At the desired angle,

slide the change ring back to the original position. Then

turn the change ring slightly so that the bit will be secured

in place with a little click.

Side handle (auxiliary handle)

The side handle can be swung 360° on the vertical and

secured at any desired position. It also secures at eight

different positions back and forth on the horizontal. Just

loosen the clamp nut to swing the side handle to a desired

position. Then tighten the clamp nut securely. (Fig. 4)

The side handle also can be mounted in the rear groove

as shown in Fig. 5. Loosen the clamp nut and widen the

side handle base. Slide the side handle back to the rear

groove and secure it with the clamp nut. (Fig. 5)

Switch action (Fig. 6)

CAUTION:

Before plugging in the tool, always check to see that the

tool is switched off.

To start the tool, push the switch lever on the left side of

the tool. To stop the tool, push the switch lever on the

right side of the tool.

Speed change (Fig. 7)

The blows per minute can be adjusted between 950 and

1,900 BPM just by turning the adjusting dial. This can be

done even while the tool is running. The dial is marked 1

(lowest speed) to 6 (full speed). Refer to the table below

for the relationship between the number settings on the

adjusting dial and the blows per minute.

Chipping / Scaling / Demolition (Fig. 8)

Hold the tool firmly with both hands. Turn the tool on and

apply slight pressure on the tool so that the tool will not

bounce around, uncontrolled. Pressing very hard on the

tool will not increase the efficiency.

Indicator lamp (Fig. 9)

The green power-ON indicator lamp lights up when the

tool is switched ON. If the indicator lamp is lit but the tool

does not start, the carbon brushes may be worn out, or the

electric circuit or the motor may be defective. If the indica-

tor lamp does not light up and the tool does not start, the

ON/OFF switch or the mains cord may be defective.

The red service indicator lamp lights up when the carbon

brushes are nearly worn out to indicate that the tool

needs servicing. After approx. 8 hours of use, the motor

will automatically be shut off.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Replacement of carbon brushes (Fig. 10 & 11)

Whenever carbon brushes must be replaced, they cut out

the tool automatically. When this occurs, loosen the

screws which secure the rear cover. Pry up the rear

cover with a screwdriver and remove it. Then replace

both carbon brushes at the same time. Use only identical

carbon brushes.

Lubrication

This tool requires no hourly or daily lubrication because it

has a grease-packed lubrication system. Lubricate the

tool every time the carbon brushes are replaced.

Run the tool for several minutes to warm it up. Switch off

and unplug the tool. Loosen the six screws and remove

the handle. (Fig. 12)

Remove the crank cap using a socket wrench. (Fig. 13)

Rest the tool on the table with the bit end pointing

upwards. This will allow the old grease to collect inside

the crank housing. Wipe out the old grease inside and

replace with a fresh grease (30 g). Use only Makita genu-

ine hammer grease (optional accessory). Filling with

more than the specified amount of grease (approx. 30 g)

can cause faulty hammering action or tool failure. Fill only

with the specified amount of grease. Reinstall the crank

cap and tighten with the socket wrench. (Fig. 14)

CAUTION:

• Be careful not to damage the terminals or lead wires

especially when wiping out the old grease or installing

the handle.

• Do not tighten the crank cap excessively. It is made of

resin and is subject to breakage.

To maintain product safety and reliability, repairs, mainte-

nance or adjustment should be carried out by a Makita

Authorized Service Centre.

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.

• Bull point

• Cold chisel

• Scaling chisel

• Clay spade

• Grooving chisel

•Rammer

• Bushing tool

• Safety goggle

Number on

adjusting dial

Blows per minute

61,900

51,800

41,600

31,300

21,050

1950

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