Bedienungsanleitung Makita HM1812 (Seite 5 von 36) (Deutsch, Englisch, Polnisch)

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FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and

unplugged before adjusting or checking function

on the tool.

Switch action

CAUTION:

• Before plugging in the tool, always check to see

that the switch lever actuates properly and returns

to the "OFF" position when released.

Fig.1

To start the tool, simply squeeze the switch lever.

Release the switch lever to stop.

For model HM1812 only

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. When temperature is low and

there is less fluidity in grease, the tool may not

have this function even with the motor rotating.

Indicator lamps

Fig.2

The green power-ON indicator lamp lights up when the

tool is plugged. 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 some period of use, 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.

Installing soft grip

Fig.3

Soft grip is NOT installed before factory shipment.

Install soft grip securely.

Fig.4

Set the triangle alignment marks on the hammer body

and on the soft grip when installing the soft grip.

Installing or removing the bit

(optional accessory)

CAUTION:

• Always assure that the bit is securely retained by

attempting to pull the bit out of the tool holder after

installing the bit.

• Follow the below 2 installation methods in

accordance with the 2 different types of bits. If

inappropriate installation method is selected, the

bit cannot be secured.

Fig.5

This tool accepts bits either with or without a collar on

its shank.

To install the bit, follow either procedure (1) or (2)

described below.

(1) For bits with a collar

Fig.6

Pivot the tool retainer downward (approx. 60 degrees).

Insert the bit into the tool holder until it stops. Return the

tool retainer and secure the bit.

(2) For bits without a collar

Fig.7

Pivot the tool retainer upward (approx. 60 degrees).

Face the notched portion of the bit upward. Insert the bit

into the tool holder until it stops. Pivot the tool retainer

further until it stops at the tool holder.

To remove the bit, follow the installation procedure in

reverse.

OPERATION

Chipping/Scaling/Demolition

CAUTION:

• Keep well-balanced posture when holding the

heavy tool before / during / after operation to avoid

personal injuries.

• Secure debris in case of breaking it into smaller

pieces.

• 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.

• Do not pull out the tool if stuck. Instead, break the

work around the bit tip.

• Be sure to place the tool on the stable floor or

ground after use.

Fig.8

Always use the soft grip (auxiliary handle) and firmly

hold the tool by both side grip and switch handle during

operations.

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