Save these instructions, Functional description – Makita HR4510C User Manual
Page 4

4
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. 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:
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
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FOR MODEL HR4511C 
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. 
 
 
FOR MODELS HR4510C/ HR4501C 
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
symbol and
symbol modes.
To start the tool, simply pull the switch trigger. Release 
the switch trigger to stop. 
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. 
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Speed change
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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. 
1. Adjusting dial
1. Switch lever
1. Switch trigger
