OFF
Speed change
1
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 per
minute
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.
006308
1. Switch lever
1
ON
006334
1. Adjusting dial
Blows per minute
480
2,750
440
2,550
360
2,050
270
1,550
230
1,350
Selecting the action mode
Rotation with hammering
2
2
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 MODEL HR4001C AND HR4010C
006335
HR4001C /HR4010C
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)
3
HR4001C
HR4010C
5
006309
1. Change lever
HR4001C
2. Pointer
HR4010C
3. Lock button
1
3
006310
1. Change lever
HR4011C
2. Pointer
3. Lock button
1
3
symbol. Use a tungsten-carbide tipped
006311
1. Change lever
2. Pointer
3
3. Lock button
2
1
symbol. Use a bull point, cold
006313
1. Change lever
2. Pointer
2
3. Lock button
1