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STANDARD ACCESSORIES
In addition to the main unit (1 unit), the package contains the
accessories listed in the below.
○ Front handle ................................................................. 1
○ Sanding paper (P120) .................................................. 1
○ Dust bag ...................................................................... 1
○ 5 mm Hex. bar wrench ................................................. 1
Standard accessories are subject to change without notice.
APPLICATIONS
○ Roughing or fi nishing of woodwork and metal surfaces.
○ Preliminary sanding of woodwork and metal surfaces
before painting.
○ Paint removal.
○ Rust removal.
SPECIFICATIONS
The specifi cations of this machine are listed in the Table on
page 5.
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
NAMES OF PARTS (Fig. 1 – Fig. 12)
Front handle
1
Knurled screw
2
Dial
3
Top handle
4
TurboBoost switch
5
Switch lock button
6
Rear handle
7
Trigger switch
8
Hex. bar wrench
9
Closure band
0
MOUNTING AND OPERATION
Action
Installing the sanding paper
Attaching the dust bag
Switching on and off
Switching lock on and off
Adjustment of speed
*2
Removing the front handle
Changing orbit diameter
How to hold the random orbit sander
How to move the random orbit sander
Emptying the dust bag
Replacing support plate brake / braking ring
Selecting accessories
*4
Dust bag
!
Name plate
@
Spindle lock button
#
Support plate
$
Sanding paper
%
Hex. bolt
^
Braking ring
&
Carrier disc
*
Mark
(
Figure Page
2
*1
3
4
5
6
7
8
*3
9
10
11
12
―
*1: Since the attachment is a hook-and-loop type, the
sanding paper can be installed easily by just pressing it
onto the pad. When installing the sanding paper, in order
to match it to the holes in the pad, gently fold it along the
axis of two holes as shown in Fig. 2.
Next, use the holes along the fold as a guide to match
the sanding paper and the pad. Finally, press the entire
sanding paper uniformly onto the pad.
CAUTION
Do not use accessories with poor adhesion.
*2: When the TurboBoost switch is switched off , the speed can
be set at the dial. This is also possible during operation.
Recommended oscillating frequency settings:
Plastic materials ....................................................... 1-2
Metal, Plexiglas
Coarse and fi ne sanding, polishing, wood ................... 5
The best way to determine the ideal setting is through a
practical trial.
Actuate the TurboBoost switch during operation to
switch on additional power reserves for maximum
material removal rate.
*3: This tool possess two orbit diameter:
• Oscillating circuit high setting (6.2 mm): coarse
sanding with high material removal rate.
• Oscillating circuit low setting (2.8 mm): fi ne sanding,
polishing
Changing orbit diameter:
• The plug is disconnected from the receptacle!
• Press in the spindle lock button and hold in place.
• Looking from the side of the sanding paper mounting
surface, rotate the support plate until you can hear it
engage (Click!).
• Continue holding in the button.
• Continue turning the support plate half a revolution to
the next snap-in point (Click).
• Release the spindle lock button.
*4: Use only genuine Hitachi accessories.
For a complete range of accessories, see www.hitachi-
koki.com or the main catalogue.
(1) Sanding paper for wood and metal (10 pcs. per pkg.)
(2) Sanding
(10 pcs. per pkg.)
(3) Polishing sponges
(4) Lambs fl eece polishing discs
(5) Support plate (soft)
(6) Support plate (Medium-hard) : Standard type
(7) Grease
Use a suitable sanding disc to achieve the best
possible work results:
• Removal of old paint layers = P40
• Pre-sanding of wood = P60, P80
• Finishing of wood = P100, P120
• Sanding of veneers, sealing primer, fi ller, paint =
2
P180, P240, P320, P400
2
After installing new sanding paper
2
Movement of the sander may tend to become unsteady
after new sanding paper has been installed, because of
3
the new, coarse grain of the paper. This can be avoided
3
by slightly tilting the sander forward or backward during
sanding or polishing. Sander movement will become steady
3
as the sanding paper surface becomes properly abraded.
3
Operational precautions
CAUTION
3
○ Never run the tool without the sanding paper. You may
4
seriously damage the support plate.
○ Using the tool with the support plate edge contacting the
4
workpiece may damage the support plate.
4
NOTE
Looking from above, the support plate rotates
124
clockwise during the loaded operation, but it may rotate
counterclockwise during the no-load operation.
8
, old coats of paint ......................... 3-4
®
paper
for
paints
and
lacquers
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