Functional Description - Makita BO4900V Instruction Manual

FUNCTIONAL DESCRIPTION

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before adjusting or checking function
on the tool.
Switch action
Fig.1
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 continuous operation, pull the switch trigger and
then push in the lock button.
To stop the tool from the locked position, pull the switch
trigger fully, then release it.
Speed adjusting dial
For BO4900V only
CAUTION:
If the tool is operated continuously at low speeds,
•
the motor will get overloaded and heated up.
The speed adjusting dial can be turned only as far
•
as 5 and back to 1. Do not force it past 5 or 1, or
the speed adjusting function may no longer work.
The tool speed can be infinitely adjusted between 4,000
and 10,000 orbits per minute by turning the speed
adjusting dial, which is marked 1 to 5. Higher speed is
obtained when the dial is turned in the direction of
number 5, lower speed is obtained when it is turned in
the direction of number 1. Adjust the desired tool speed
for the kind of work.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the
tool.
Installing or removing abrasive paper
For conventional type of abrasive paper with pre-
punched holes (standard equipment):
Turn the clamp lever counterclockwise. Insert the paper
end into the clamper, aligning the holes in the paper
with those in the pad. Then return the clamp lever to the
original position to secure the paper. Repeat the same
process for the other end of the tool, maintaining the
proper paper tension.
Fig.2
For conventional type of abrasive paper without
pre-punched holes (accessory):
Turn the clamp lever counterclockwise. Insert the paper
end into the clamper, aligning the paper edges even and
parallel with the sides of the base. Then return the
clamp lever to the original position to secure the paper.
Repeat the same process for the other end of the tool,
maintaining the proper paper tension.
Place the punch plate (optional accessory) over the
paper so that the guide of the punch plate is flush with
the sides of the pad. Then press the punch plate to
make holes in the paper.
Fig.3
For hook-and-loop type of abrasive paper with pre-
punched holes (accessory):
Remove all dirt or foreign matter from the pad. Attach
the paper to the pad, aligning the holes in the paper with
those in the pad.
Fig.4
CAUTION:
Never use pressure-sensitive abrasive paper.
•
For BO4901 only
Fig.5
NOTE:
To use the hook-and-loop type of abrasive paper,
•
first replace the pad. Remove the pad for the
conventional type of abrasive paper from the tool
with a screwdriver.
Install the pad for the hook-and-loop type of
abrasive paper (optional accessory) on the tool.
Tighten the screws firmly to secure the pad.
Installing paper dust bag (accessory)
For BO4900, BO4900V only
Place the paper dust bag on the paper dust bag holder
with its front side upward. Insert the front fixing
cardboard of the paper dust bag into the groove of the
paper dust bag holder.
Fig.6
Then press the upper part of the front fixing card-board
in arrow direction to hook it onto the claws.
Fig.7
Insert the notch of the paper dust bag into the guide of
the paper dust bag holder. Then install the paper dust
bag holder set on the tool.
Fig.8
Fig.9
Installing dust bag (accessory)
For BO4900, BO4900V only
Install the dust bag on the tool so that the arrow with
"UP" indicated on the dust nozzle points upward.
5