Makita RP0900K Instruction Manual page 5

CAUTION:
Since excessive cutting may cause overload of the
•
motor or difficulty in controlling the tool, the depth of
cut should not be more than 15 mm at a pass when
cutting grooves with an 8 mm diameter bit.
When cutting grooves with a 20 mm diameter bit,
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the depth of cut should not be more than 5 mm at a
pass.
When you wish to cut grooves more than 15 mm
deep with an 8 mm diameter bit or more than 5 mm
deep with a 20 mm diameter bit, make several
passes with progressively deeper bit settings.
Stopper block
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2
3
4
5
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The stopper block has three adjusting hex bolts which
raise or lower 0.8 mm per turn. You can easily obtain
three different depths of cut using these adjusting hex
bolts without readjusting the stopper pole.
Adjust the lowest hex bolt to obtain the deepest depth of
cut, following the method of "Adjusting depth of cut".
Adjust the two remaining hex bolts to obtain shallower
depths of cut. The differences in height of these hex bolts
are equal to the differences in depths of cut.
To adjust the hex bolts, turn the hex bolts. The stopper
block is also convenient for making three passes with
progressively deeper bit settings when cutting deep
grooves.
CAUTION:
When using a bit having total length of 60 mm or more, or
edge length of 35 mm or more, the depth of cut cannot be
adjusted as previously mentioned. To adjust, proceed as
follows:
Loosen the lock lever and carefully adjust bit protrusion
below the tool base to the desired depth of cut by moving
the tool body up or down. Then retighten the lock lever to
lock the tool body at that depth of cut. Keep the tool body
locked at this position during use. Since the bit always
protrudes from the tool base, be careful when handling
the tool.
1. Depth pointer
2. Screw
3. Stopper pole
4. Adjusting hex
bolt
5. Stopper block
5
Adjusting the lock lever
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The locked position of the lock lever is adjustable. To
adjust it, remove the screw securing the lock lever. The
lock lever will come off. Set the lock lever at the desired
angle. After adjustment, tighten the lock lever clockwise.
Switch action
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CAUTION:
Before plugging in the tool, always check to see
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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.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
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unplugged before carrying out any work on the tool.
Installing or removing the bit
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1. Lock lever
2. Screw
1
2
1. Switch trigger