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English
CAUTION
(1) After mounting the sanding paper, return the
clamping lever to its original position.
(2) The sanding paper must be precisely attached on the
pad, ensuring that there is ample tension (leaving no
slack). Loosely attached sanding paper could result
in unevenly sanded surfaces and/or damage to the
sanding paper itself.
5. Installing and removing the dust bag. (for models
SV12V and SV12SD)
(1) InstaIIation
As shown in Fig. 4, hold the dust gate and push in the
dust bag into the frame's dust bag holder.
(2) Removal
As shown in Fig. 5, push the dust gate's tab hard and
remove the dust bag from the frame.
PRACTICAL OPERATING PROCEDURES
CAUTION
Never apply water or grinding fluid when sanding.
This could result in electrical shock.
1. Switching the sander ON and OFF
By pulling the trigger and pushing the stopper, the
switch will remain ON even when the trigger is
released, promoting continuous, efficient operation.
By pulling the trigger again, the stopper is released
and the switch is turned OFF.
CAUTION
Never turn the power switch ON when the sander is
contacting the surface to be sanded. This is necessary
to preclude damage to the material. The same applies
when switching the power OFF.
2. How to hold the orbital sander
While gripping the knob with one hand and the handle
with the other, lightly press the sander against the
surface to be sanded so that the sanding paper
uniformly contacts the surface, as shown in Fig. 6.
DO NOT apply excessive pressure to the sander while
sanding. Excessive-pressure may cause overload of
the motor, reduced service life of the sanding paper,
and lowered sanding or polishing efficiency.
3. How to move the orbital sander
For optimum operating efficiency, alternately move
the sander forward and backward at a constant speed
and balance.
4. Changing the rotating Speed (model SV12V only)
SV12V has an electronic control system which can be
used to set the rotating speed between 4000 and
10000 revolutions per minute.
As shown in Fig. 7, dial position “1” is for minimum
speed and position “5” for maximum speed.
MOUNTING THE OPTIONAL ACCESSORIES
1. Mounting the magic pad.
Loosen the six screws.
Remove the pad and attach the magic pad.
CAUTION
Replace the pad only. Use the other parts without
removing them.
2. Mounting the cleaner adapter (for models SV12V
and SV12SD) (Fig. 8)
After mounting the dust collector hose onto the
cleaner adapter, mount the cleaner adapter onto the
unit in the same way as mounting the dust bag.
MAINTENANCE AND INSPECTION
1. Empting and cleaning the Dust Bag (for models
SV12V and SV12SD)
If the dust bag contains too much saw dust, dust
collection will be affected. Empty the dust bag when
it gets full.
Remove the dust bag, open the fastener, and dispose
of the contents.
2. Inspecting the sanding paper
Since use of worn-out sanding paper will degrade
efficiency and cause possible damage to the pad,
replace the sanding paper as soon as excessive
abrasion is noted.
3. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure
that they are properly tightened. Should any of the
screws be loose, retighten them immediately. Failure
to do so could result in serious hazard.
4. Inspecting the carbon brushes (Fig. 10)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brush with a new one having the same carbon brush
No. shown in the figure when it becomes worn to or
near the “wear limit”. In addition, always keep carbon
brushes clean and ensure that they slide freely within
the brush holders.
5. Replacing carbon brushes
Disassembling
(1) Loosen the two screws on the top cover, and remove
the top cover. (Fig. 11)
(2) Lift out the brush holder together with the carbon
brush, while being very careful not to forcibly pull
the internal wires within the brush holder.
(3) Remove the carbon brush from the brush holder.
Reassembling
(1) Insert the brush terminal into the brush holder. Turn
the brush terminal 90˚.
(2) While maintaining this brush terminal position as
explained in (1), insert the new carbon brush into the
brush holder.
(3) While pressing the carbon brush against the outside
wall of the housing's bearing compartment, insert the
brush holder into the housing's original position.
(4) Place the internal wire in the specified position. Be
very careful not to allow the internal wire to contact
the armature or rotating parts of the motor. (Fig.12)
(5) Replace the top cover, while being careful to ensure
it does not pinch the internal wire, and secure it
firmly with the two screws.
CAUTION
Should the internal wire be pinched by the top cover
or come in contact with the armature or rotating
parts of the motor, a serious danger of electric shock
to the operator will be created. Exercise extreme
caution in disassembling and reassembling the motor,
following the above procedure exactly.
DO NOT attempt to disassemble any parts other than
those necessary to effect replacement of the carbon
brush.
6. Maintenance of the motor
The motor unit winding is the very “heart” of the
power tool.
Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
01Eng_SV12V_WE 2/13/13, 9:047
8


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