Bedienungsanleitung Makita HM 1203C (Seite 5 von 40) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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Switch action (Fig. 1)

CAUTION:

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

the tool is switched off.

• Switch can be locked in “ON” position for ease of

operator comfort during extended use. Apply caution

when locking tool in “ON” position and maintain firm

grasp on tool.

To start the tool, push the switch lever “ON (I)” on the left

side of the tool. To stop the tool, push the switch lever

“OFF (O)” on the right side of the tool.

Speed change (Fig. 2)

The blows per minute can be adjusted just by turning the

adjusting dial. This can be done even while the tool is

running. The dial is marked 1 (lowest speed) to 5 (full

speed).

Refer to the table below for the relationship between the

number settings on the adjusting dial and the blows per

minute.

NOTE:

• Blows at no load per minute becomes smaller than

those on load in order to reduce vibration under no

load, but this does not show trouble. Once operation

starts with a bit against concrete, blows per minute

increase and get to the numbers as shown in the table.

When temperature is low and there is less fluidity in

grease, the tool may not have this function even with

the motor rotating.

CAUTION:

• The speed adjusting dial can be turned only as far as 5

and back to 1. Do not force it past 5 or 1, or the speed

adjusting function may no longer work.

Indicator lamp (Fig. 3)

The green power-ON indicator lamp lights up when the

tool is plugged. If the indicator lamp does not light up, the

mains cord or the controller may be malfunction. The

indicator lamp is lit but the tool does not start even if the

tool is switched on, the carbon brushes may be worn out,

or the controller, the motor or the ON/OFF switch may be

malfunction.

The red service indicator lamp flickers 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.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Side handle (auxiliary handle) (Fig. 4)

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.

The side handle also can be mounted in the rear groove.

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.

Installing or removing the bit (Fig. 5)

Clean the bit shank and apply bit grease before installing

the bit.

Insert the bit into the tool. Turn the bit and push it in until it

engages. (Fig. 6)

If the bit cannot be pushed in, remove the bit. Pull the

releasing cover down a couple of times. Then insert the

bit again. Turn the bit and push it in until it engages.

(Fig. 7)

After installing, always make sure that the bit is securely

held in place by trying to pull it out.

To remove the bit, pull the releasing cover down all the

way and pull the bit out. (Fig. 8)

Bit angle (Fig. 9 & 10)

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. The bit

will be secured in place.

NOTE:

• The change ring cannot turn when the bit is not

installed on the tool.

OPERATION

Chipping/Scaling/Demolition (Fig. 11)

Always use the side grip (auxiliary handle) and firmly hold

the tool by both side grip and switch handle during

operations. 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.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and

unplugged before attempting to perform inspection or

maintenance.

Lubrication

CAUTION:

• This servicing should be performed by Makita

Authorized or Factory Service Centers only.

This tool requires no hourly or daily lubrication because it

has a grease-packed lubrication system. However, it is

recommended to periodically replace the grease for

longer tool life.

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

and unplug the tool.

Number on adjusting dial Blows per minute

51,900

41,700

31,450

21,200

1950

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