Functional Description - Makita HM1812 Instruction Manual

8. Always be sure you have a firm footing.
Be sure no one is below when using the tool
in high locations.
9. Hold the tool firmly with both hands.
10. Keep hands away from moving parts.
11. Do not leave the tool running. Operate the tool
only when hand-held.
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. Do not operate
unnecessarily.
15. 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.
Symbols
The followings show the symbols used for tool.
･
volts
･
amperes
･
hertz
･
alternating current
･
Class II Construction
･
revolutions or reciprocation per minute
･
number of blow
the tool at no-load
USD312-1

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.
1
015520
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
1
2
015521
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.
4
1. Switch lever
1. Power-ON
indicator lamp
(green)
2. Service
indicator lamp
(red)