Functional Description - Makita BO4900V Instruction Manual

7. Use of this tool to sand some products, paints
and wood could expose user to dust containing
hazardous substances. Use appropriate respira-
tory protection.
8. Be sure that there are no cracks or breakage on
the pad before use. Cracks or breakage may
cause a personal injury.
SAVE THESE INSTRUCTIONS
WARNING:
MISUSE or failure to follow the safety
rules stated in this instruction manual
may cause serious personal injury.
SYMBOLS
The followings show the symbols used for tool.
V............................volts
A ...........................amperes
Hz..........................hertz
....................alternating current
.......................no load speed
.......................Class II Construction
.../min....................orbits per minute

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Switch action
3
CAUTION:
• Before plugging in the tool, always check to see
that the switch trigger actuates properly and returns
to the "OFF" position when released.
USD205-1
001681
1. Speed adjust-
1
ing dial
2. Lock button
2
3. Switch trigger
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 for
a long time, 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 adjust-
ing 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):
1
2
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 origi-
nal position to secure the paper. Repeat the same pro-
cess for the other end of the tool, maintaining the proper
paper tension.
4
001682
1. Clamp lever
2. Conventional
type of abrasive
paper with pre-
punched holes
3. Pad for conven-
tional type of
abrasive paper
3