Functional Description - Makita HR4003C Betriebsanleitung

12. Do not point the tool at any one in the area when
operating. The bit could fly out and injure
someone seriously.
13. Do not touch the bit or parts close to the bit
immediately after operation; they may be
extremely hot and could burn your skin.
14. Some material contains chemicals which may be
toxic. Take caution to prevent dust inhalation
and skin contact. Follow material supplier safety
data.
SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity with product
(gained from repeated use) replace strict adherence
to safety rules for the subject product. MISUSE or
failure to follow the safety rules stated in this
instruction manual may cause serious personal
injury.

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Switch action (Fig. 1)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
Switch trigger
This switch functions when setting the tool in
and symbol modes.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
Switch button (Fig. 2)
This switch functions when setting the tool in
mode.
When the tool is in the
button projects out and lights in red.
To start the tool, press the switch button. The switch light
turns in green.
To stop the tool, press the switch button again.
Speed change (Fig. 3)
The revolutions and blows per minute can be adjusted
just by turning the adjusting dial. 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 revolutions/
blows per minute.
Number on Revolutions
adjusting dial per minute
5
4
3
2
1
014134
symbol
symbol
symbol mode, the switch
Blows per
minute
500 2,900
470 2,700
380 2,150
290 1,650
250 1,450
For model HR4013C 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 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:
• If the tool is operated continuously at low speeds for a
long time, the motor may get overloaded, resulting in
tool malfunction.
• 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.
Selecting the action mode
CAUTION:
• Do not rotate the change lever when the tool is running.
The tool will be damaged.
• To avoid rapid wear on the mode change mechanism,
be sure that the change lever is always positively
located in one of the action mode positions.
Hammer drilling mode (Fig. 4)
For drilling in concrete, masonry, etc., rotate the change
lever to the symbol. Use a tungsten-carbide tipped
bit.
Hammering mode (Switch trigger mode) (Fig. 5)
For chipping, scaling or demolition operations, rotate the
change lever to the
chisel, scaling chisel, etc.
Hammering mode (Switch button mode)
For continuous chipping,
operations, rotate the change lever to the
(Fig. 6)
The switch button projects out and lights in red.
Use a bull point, cold chisel, scaling chisel, etc. (Fig. 7)
NOTE:
• When using the tool in the
trigger does not work but only the switch button works.
Torque limiter
The torque limiter actuates when torque reaches a
certain level. The motor disengages from the output
shaft. When this happens, the bit stops turning.
CAUTION:
• As soon as the torque limiter actuates, switch off the
tool immediately. This helps to prevent premature wear
of the tool.
Indicator lamp (Fig. 8)
The green power-ON indicator lamp lights up when the
tool is plugged in. If the indicator lamp does not light up,
the mains cord or the controller may be defective.
When the indicator lamp lights up but the tool does not
start even the tool is switched on, the carbon brushes
may be worn out, or the controller, the motor or the ON/
OFF switch may be defective.
If above symptoms occur, stop using the tool immediately
and ask your local service center.
symbol. Use a bull point, cold
scaling or demolition
symbol mode, the switch
symbol.
7