Functional Description - Makita HR4001C Instruction Manual

12. Do not point the tool at any one in the area when
operating. The bit could fly out and injure some-
one 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 instruc-
tion 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
FOR MODEL HR4011C
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop. (Fig. 1)
FOR MODELS HR4010C AND HR4001C
Trigger switch
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
• This switch functions when setting the tool in
bol and symbol modes.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop. (Fig. 1)
Slide switch
CAUTION:
• Before plugging in the tool, always check to see that
the tool is switched off.
• This switch functions only when setting the tool in
symbol action mode.
When using the tool in the hammering mode for a long
time, the slide switch is available. To start the tool, push
the "I (ON)" side of the switch lever. To stop the tool, push
the "O (OFF)" side of the switch lever. (Fig. 2)
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
adjusting dial
5
4
3
2
1
CAUTION:
• If the tool is operated continuously at low speeds for a
long time, the motor will 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
Rotation with hammering (Fig. 4 & 5)
For drilling in concrete, masonry, etc., depress the lock
button and rotate the change lever so that the pointer
points to the
bit.
Hammering only
FOR MODELS HR4001C AND HR4010C (Fig. 6)
For chipping, scaling or demolition operations, depress
the lock button and rotate the change lever so that the
pointer points to the
chisel, scaling chisel, etc.
For long time hammering (FOR MODELS HR4001C
AND HR4010C ONLY) (Fig. 7)
sym- For chipping, scaling or demolition operations, depress
the lock button and rotate the change lever so that the
pointer points to the
chisel, scaling chisel, etc.
CAUTION:
• When using the tool in the
trigger does not work and only the slide switch works.
FOR MODEL HR4011C (Fig. 8)
For chipping, scaling or demolition operations, depress
the lock button and rotate the change lever so that the
pointer points to the
chisel, scaling chisel, etc.
CAUTION:
• Do not rotate the change lever when the tool is running
under load. 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 two or three action mode posi-
tions.
Revolutions
per minute
480
440
360
270
230
symbol. Use a tungsten-carbide tipped
symbol. Use a bull point, cold
symbol. Use a bull point, cold
symbol mode, the switch
symbol. Use a bull point, cold
Blows
per minute
2,750
2,550
2,050
1,550
1,350
7