Makita HR1830 Instruction Manual page 6

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1. Action mode changing knob
ASSEMBLY
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5
2
4
3
1. Grip base
2. Side grip
3. Loosen
4. Tighten
5. Teeth
6. Protrusion
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Selecting the action mode
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This tool employs an action mode changing knob. Select one of the two
modes suitable for your work needs by using this knob.
For rotation only, depress the lock button and turn the knob so that the arrow
on the knob points toward the
For rotation with hammering, depress the lock button and turn the knob so that
the arrow on the knob points toward the
CAUTION:
• Always set the knob fully to your desired mode symbol. If you operate the
tool with the knob positioned halfway between the mode symbols, the
tool may be damaged.
• Use the knob after the tool comes to a complete stop.
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.
• Hole saws cannot be used with this tool. They tend to pinch or catch
easily in the hole. This will cause the torque limiter to actuate too
frequently.
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.
Install the side grip so that the teeth on the grip fit in between the protrusions
on the tool barrel. Then tighten the grip by turning clockwise at the desired
position. It may be swung 360° so as to be secured at any position.
Bit grease
Coat the bit shank head beforehand with a small amount of bit grease (about
0.5 - 1 g).
This chuck lubrication assures smooth action and longer service life.
symbol on the tool body.
symbol on the tool body.