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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 trigger actuates properly and
returns to the "OFF" position when released.
Switch trigger
This switch functions when setting the tool in
symbol
and
symbol modes.
1
014028
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
Switch button
This switch functions when setting the tool in
symbol
mode.
1
014880
When the tool is in the symbol mode, the switch
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
1
014029
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.
For Model HR4003C, HR4013C
Number on
adjusting dial
Revolutions per
minute
Blows per minute
5 500 2,900
4 470 2,700
3 380 2,150
2 290 1,650
1 250 1,450
014134
For Model HR5202C, HR5212C
Number on
adjusting dial
Revolutions per
minute
Blows per minute
5 310 2,250
4 290 2,100
3 230 1,700
2 180 1,300
1 150 1,100
014872
For model HR4013C, HR5212C 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.
1. Adjusting dial
1. Switch button
1. Switch trigger