Makita HR3000C Instruction Manual page 9

ASSEMBLY
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1. Side grip
2
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1. Bit shank
2. Bit grease
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2
1. Bit
2. Chuck cover
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Side grip (auxiliary handle)
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CAUTION:
• Always use the side grip to ensure operating safety
when drilling in concrete, masonry, etc.
• When the bit begins to break through concrete or if the
bit strikes reinforcing rods embedded in concrete, the
tool may react dangerously. Maintain good balance and
safe footing while holding the tool firmly with both hands
to prevent dangerous reaction.
The side grip swings around to either side, allowing easy
handling of the tool in any position. Loosen the side grip by
turning it counterclockwise, swing it to the desired position
and then tighten it by turning clockwise.
Bit grease (optional accessory)
Coat the bit shank head beforehand with a small amount of
bit grease (about 0.5 -1 g; 0.02 - 0.04 oz.). This chuck lubri-
cation assures smooth action and longer service life.
Installing or removing the bit
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Clean the bit shank and apply bit grease before installing the
bit.
Insert the bit into the tool. Turn the bit and push it in until it
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engages.
If the bit cannot be pushed in, remove the bit. Pull the chuck
cover down a couple of times. Then insert the bit again. Turn
the bit and push it in until it engages.
After installing, always make sure that the bit is securely held
in place by trying to pull it out.
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