Makita UB004C Manuel D'instructions page 18

NOTICE:
If the machine stops due to a cause
not described above, refer to the section for
troubleshooting.
Main power switch
WARNING:
Always turn off the main power
switch when not in use.
To turn on the machine, press the main power switch.
The speed indicator lights up in green. To turn off, press
and hold the main power switch until the speed indicator
goes off.
The speed can be changed in three levels. To change
the speed mode, press the main power switch. When
you change the speed mode, the corresponding speed
indicator lights up.
► Fig.33: 1. Speed indicator 2. Main power switch
Indicator
NOTE: This machine employs the auto power-off
function. To avoid unintentional start up, the main
power switch will automatically shut down when the
switch trigger is not pulled for a certain period after
the main power switch is turned on.
NOTE: If you press the main power switch when the
control lever is not fully returned to the off position, or
while you are pulling the switch trigger, the low speed
indicator blinks in green. In this case, fully return the
control lever, or release the switch trigger, and then
press the main power switch.
Switch action
WARNING:
Before installing the portable
power pack to the machine, always check to see
that the switch trigger actuates properly and
returns to the "OFF" position when released.
To start the machine, simply pull the switch trigger. The
speed increases by increasing pressure on the switch
trigger. Release the switch trigger to stop.
► Fig.34: 1. Switch trigger
You can use the machine in the boost mode. In the
boost mode, the air volume becomes larger than in the
normal mode (cruise control mode).
To use the machine in the boost mode, pull the switch
trigger until the switch trigger stops in the halfway posi-
tion, and then pull the switch trigger fully.
Release the switch trigger to exit the mode.
Mode Air volume
High 0 - 19.7 m
Medium 0 - 15.2 m
Low 0 - 8.5 m
► Fig.35: 1. Switch trigger
NOTE: The boost mode cannot be activated when
you use PDC1200 as portable power pack.
NOTE: While the machine is in the boost mode,
the speed indicator lights up sequentially in a linear
pattern.
► Fig.36: 1. Speed indicator
NOTE: The average duration of time you can operate
the machine in the boost mode is approximately 10
seconds. After the duration time elapses, the machine
automatically switches to the cruise control mode and
the boost mode will not be available for the next 20
seconds.
NOTE: The boost mode remains unavailable while
the speed indicator you have previously set at blinks.
To re-enter the boost mode, let the machine cool
down for a while and then pull the switch trigger fully
again.
► Fig.37: 1. Speed indicator
Cruise control function
3
/min
The cruise control function allows the operator to main-
tain a constant speed without pulling the trigger. To
increase the speed, turn the control lever forward. To
3
/min
decrease the speed, turn the control lever backward.
► Fig.38: 1. Control lever
Electronic function
3
/min
The machine is equipped with the electronic function for
easy operation.
• Constant speed control
The speed control function provides the constant
rotation speed regardless of load conditions.
Accidental re-start preventive
function
When you turn on the machine while pulling the switch
trigger, the machine does not start and the low speed
indicator blinks in green. To start the machine, first
release the switch trigger and return the control lever
fully, and then turn on the machine.
OPERATION
CAUTION:
sure to put shoulder harness on your both shoul-
ders. Otherwise, the machine may fall when you put
on or use the machine, and cause an injury.
CAUTION:
be sure to put on the machine on your back.
Otherwise, the machine may fall during operation and
cause an injury.
CAUTION:
ground while it is running. Sand or dust may enter
from suction inlet and cause a malfunction or per-
sonal injury.
18 ENGLISH
When putting on the machine, be
When putting on the machine,
Do not place the machine on the