Functional Description - Makita HR3540C Instruction Manual
Combination hammer
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Also See for HR3540C:
- Instruction manual (56 pages) ,
- Technical information (20 pages) ,
- Instruction manual (10 pages)
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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.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
Lighting up the lamp
For Model HR3541FC (Fig. 2)
CAUTION:
• Do not look in the light or see the source of light
directly.
Pull the switch trigger to turn on the light. The lamp keeps
on lighting while the switch trigger is being pulled.
The lamp turns off 10 - 20 seconds after releasing the
trigger.
NOTE:
• Use a dry cloth to wipe the dirt off the lens of lamp.
Be careful not to scratch the lens of lamp, or it may
lower the illumination.
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 per
Blows per minute
adjusting dial
minute
5
630
3,300
4
590
3,100
3
480
2,500
2
370
1,900
1
315
1,650
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)
For drilling in concrete, masonry, etc., depress the lock
button and rotate the change lever so that the pointer
points to the
symbol. Use a tungsten-carbide tipped
bit.
Rotation only (Fig. 5)
For drilling in wood or metal, materials, etc., depress the
lock button and rotate the change lever so that the pointer
points to the
symbol. Use a twist drill bit or wood bit.
Hammering only (Fig. 6)
For chipping, scaling or demolition operations, depress
the lock button and rotate the change lever so that the
pointer points to the
symbol. Use a bull point, cold
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 three action mode positions.
Torque limiter
The torque limiter will actuate when a certain torque level
is reached. The motor will disengage from the output
shaft. When this happens, the bit will stop turning.
CAUTION:
• As soon as the torque limiter actuates, switch off the
tool immediately. This will help prevent premature wear
of the tool.
Indicator lamp (Fig. 7)
The green power-ON indicator lamp lights up when the
tool is plugged. If the indicator lamp does not light up, the
main cord or the controller may be defective. 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
defective.
The red service indicator lamp lights 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.
Page 6
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