7 ENGLISH
FUNCTIONAL
DESCRIPTION
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before adjusting or checking function
on the tool.
Ground Fault Circuit Interrupter
►
Fig.1:
1.
Pilot lamp
2.
RESET (R) button
3.
TEST
(T) button
The tool is equipped with either of Ground Fault Circuit
Interrupter (GFCI) illustrated.
Connect the tool to a power supply and test the Ground
Fault Circuit Interrupter (GFCI) before using the tool.
Push the RESET (R) button and confirm that the pilot
lamp lights. Push the TEST (T) button and confirm that
the pilot lamp goes out. Push the RESET (R) button
again to use the tool.
WARNING:
•
Do not use the tool if the pilot lamp does not go
out when the TEST (T) button is pushed.
Shaft lock
►
Fig.2:
1.
Shaft lock
2.
Cover
CAUTION:
•
Never actuate the shaft lock when the spindle is
moving. The tool may be damaged.
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
Switch action
►
Fig.3:
1.
Slide switch
2.
Cover
CAUTION:
•
Before plugging in the tool, always check to
see that the slide switch actuates properly and
returns to the “OFF” position when the rear of
the slide switch is depressed.
To start the tool, slide the slide switch toward the
“I (ON)” position. For continuous operation, press the
front of the slide switch to lock it.
To stop the tool, press the rear of the slide switch, then
slide it toward the “O (OFF)” position.
Speed adjusting dial
►
Fig.4:
1.
Speed adjusting dial
The rotating speed can be changed by turning the
speed adjusting dial to a given number setting from 1
to 5.
Higher speed is obtained when the dial is turned in the
direction of number 5. And lower speed is obtained
when it is turned in the direction of number 1.
Refer to the table for the relationship between the num
-
ber settings on the dial and the approximate rotating
speed.
Number
RPM(min
-1
)
1
2,000
2
2,500
3
3,000
4
3,500
5
4,400
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.
Electronic function
Constant speed control
Possible to get fine finish, because the rotating speed is
kept constant even under the loaded condition.
Additionally, when the load on the tool exceeds admis
-
sible levels, power to the motor is reduced to protect
the motor from overheating. When the load returns to
admissible levels, the tool will operate as normal.
Soft start feature
Soft start because of suppressed starting shock.
Opening or closing of water lever
►
Fig.5:
1.
Lever
2.
Open
3.
Close
To keep the lever on the tool for water flow open, turn it
to the position A where the water passage will be ready.
Return it to the position B to close.
ASSEMBLY
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing side grip (handle)
►
Fig.6
CAUTION:
•
Always be sure that the side grip is installed
securely before operation.
Screw the side grip securely on the position of the tool
as shown in the figure.
Remove one of the screws which secure gear housing
and head cover, then screw the side grip on the tool.
►
Fig.7:
1.
Head cover
2.
Side grip
3.
Screw
