Alpha Tool.Com.HK Limited Polisher VSP230 User Manual

							11
11 .  Observe any suspicious abnormal noises when a polishing disc is attached for 
the fi rst time and polisher is turned ON.
  It may cause bodily injury if the polishing disc fl ies off.
12. Do not touch the polishing disc while spinning.
  The polishing disc spins very fast and you may hurt  yourself.
  
13. Be careful of your surroundings when working in high places. 
  When working in high places, make sure there are no people below. Do not trap the 
power supply cord on anything or drop the polisher or any materials, otherwise, It may 
cause an accident. 
  LAWS AND REGULATIONS OF NOISE LEVELS
Please observe local laws and regulations regarding noise level in order to avoid disturbing 
surrounding areas.  Install a soundproof wall if required to comply with the local laws and 
regulations.  
						

							12
VSP-230 VARIABLE SPEED WET POLISHER OPERATION
  CAUTION!
Always be sure that the tool is switched off and unplugged before adjusting or checking 
function on tool.
 MAIN CONNECTION
Connect only to single-phase AC current supply and only to the main voltage specifi ed on 
the rating plate. 
 SWITCHING ON AND OFF
  CAUTION!
Before plugging in the tool, always check the working voltage be sure that the voltage 
specifi ed is on the name plate.  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.
 Switching on:  
  Switch can be locked in “ ON” position for ease 
of operator comfort during extended use.  Apply 
caution when locking tool in “ON” position and 
maintain fi rm grasp on tool.  Push power switch 
to the forward position until it locks into position 
as shown in Figure 3.  
 
 Switching off:  
  Push down on power switch to release to the 
rear position as shown in Figure 4.
OFF POSITION
Figure-4Figure-3
ON POSITION 
						

							13
  GROUND FAULT CIRCUIT INTERRUPTER (GFCI)
  A Ground Fault Circuit Interrupter is built in-line with the power supply cord to protect 
the operator from electric shock.
1. GFCI Information.
– Alpha
® Wet Polisher is provided with an in-line GFCI as a standard accessory 
for your safety, and to prevent possible electric shocks.  It is strongly advised to 
test the GFCI on a regular basis.
  DANGER!
Never attach a damaged extension cord to the polisher.
  NOTE:  Use the appropriate extension cord, see table on page 9.
  CAUTION!
When the GFCI trips, this could be the result of water entering the polisher housing.
       
1. Turn OFF the power switch, disconnect polisher from power supply and blow dry 
air inside the motor cover through the air vents.
2. Re-connect power supply and press the GFCI reset button. The polisher is ready 
to start working once the reset button is pressed down. 
  DANGER!
Always check that the GFCI unit is working correctly (reset, test, and reset) before using 
this tool.  Do not use the tool if the GFCI is not working correctly.  Do not bypass the GFCI 
if this condition occurs, a real shock hazard may exist.
  WARNING!
If the GFCI fails to trip when the test button is pressed, or fails to reset, the device is defec-
tive and should replaced.
  CAUTION!
The GFCI is a safety device, do not use as an on/off switch.
The GFCI on the tool will not protect you if you cut into another current carrying 
conductor.
Do not use where water may enter GFCI case. 1.
2.
3. 
						

							14
 TESTING IN-LINE GFCI UNIT (Before Each Use Of The Polisher)
1. Connect polisher to a single phase AC power supply.
2. Verify that the indicator lens shows red (indicating output voltage).
3. Press the test button to verify that the red in the indicator lens disappears.
4. Press the reset button to verify the red indicator is visible.
5. The GFCI is now ready for use.
  WARNING!
DO NOT USE IF ABOVE TEST FAILS!
 VARIABLE SPEED ADJUSTMENT
This polisher is equipped with a Variable Speed control that 
will allow the spindle speed to be adjusted from 500 RPM 
to 2800 RPM. Speed adjustment is controlled by rotation 
of the wheel as shown in the Figure 4.
      
NOTE- Wheel numbers are for reference point of motor 
speed (#1 is 500 RPM and #6 is 2800 RPM).
  Adjust the RPM of the tool to match the recommended 
RPM of the product being used.
Indicator viewing lens.
RED lens shows power to 
polisher.
CLEAR lens shows no power 
to polisher.
RESET BUTTON
TEST BUTTON
Figure-5Figure-6
INCREASE SPEED
DECREASE SPEED
Figure-7 
						

							15
 SPEED POT FEEDBACK SENSOR
This polisher is equipped with a Closed Loop Feedback sensor that is attached to the 
speed pot.  When a load is applied to the tool, the sensor will re-adjust the RPM to 
maintain a constant speed.
 WATER CONTROL VALVE
  CAUTION!
Adjust the water fl ow to wet the stone and remove waste, excessive spray and mist will get 
inside the tool and cause premature failure of the tool and/or cause the GFCI to trip.
This polisher is equipped with a center water-feed system. Water fl ow to the spindle 
shower bolt can be controlled by throttling the valve stem as seen in Figure 8, Figure 9 
and Figure 10.
Water Valve in
closed positionWater Valve in
half open position
Water Valve in full open position
Figure-8Figure-9
Figure-10 
						

							16
 SIDE HANDLE INSTALLATION
  CAUTION!
During the use of Alpha® Core Bits and Profi lers, use of the center handle is recommended.  
The center handle will allow the operator to have better control and ease of operation 
during these applications.
To switch from center handle to side handle, follow the steps below:
Remove both side screws from 
center handle.
Pull handle forward and clear 
of polisher.
Thread the side handle into 
either the left or right side of 
the polisher, then thread one 
screw into the opposite side of 
the handle.
Figure-12
Figure-13
Figure-14 
						

							17
 CUSTOMIZING THE SPLASH 
GUARD
The splash guard can be cut to different 
heights according to the application to be 
performed.
Cutting:  Using a pair of scissors or other 
cutting instrument, 
choose the desired 
height according to 
the application to be 
performed and cut 
along the grooved 
cut lines, as shown in 
Figure 15. 
RECOMMENDED HEIGHTS:
Profiling:  When using Alpha® Profilers the 
splash guard can be used at its full height.
Polishing:  When polishing, you may cut the 
splash guard at one of the grooved lines for easier 
access to the workpiece.
Full height
Figure-15
Figure-16
Figure-17
Splash Guard cut to 
accomodate polishing 
application
Grooved Cut Lines 
						

							18
 SPLASH GUARD INSTALLATION
  CAUTION!
The splash guard should be used to prevent the water and 
dust from going inside the tool.  Failure to do so can shorten 
the life of your tool and void the limited warranty.
1.  Install the rubber splash guard into 
the tool so that the lip on the splash 
guard fi ts into the groove on the tool 
and the cutout is around the water 
fi tting.
2.  Open the band clamp completely 
and wrap around the splash guard 
under the water fi tting.
3.  Tighten the clamp until snug.Groove
Figure-18
Figure-19
Figure-20 
						

							19
 PROFILER AND OTHER APPROVED SPINDLE ATTACHMENTS
  CAUTION!
Do not leave threaded accessories on the spindle of the tool for extended periods of time, 
as this may result in making it diffi cult to remove these accessories.
The VSP-230 polisher has a M14-2 center water-feed spindle thread.  
To attach a profi ler wheel or other ap-
proved spindle attachments, follow the 
steps below:
1.  Screw the attachment onto the 
spindle by hand.
2.  Tighten with supplied wrench.
NOTE : If attachment does not thread on 
freely, check threads on both sur-
faces for damage or dirt. Clean, 
repair or replace as needed to 
ensure a safe and tight connec-
tion to the polisher.
 WATER-FEED ATTACHMENT
Attach the polisher water-line fi tting to any garden hose connection.
OPERATION
  WARNING!
To reduce the risk of electric shock, check the tool’s water supply system to ensure there is 
no damage to the seals or hoses. A damaged water supply system may result in abnormal 
water fl ow to the tool which could be dangerous.
Figure-21
Figure-22 
						

							20
  CAUTION!
Always wear safety goggles or a face shield during operation. Never switch on the tool 
when it is in contact with the workpiece, it may cause an injury to operator. Never run the 
tool without properly installed accessories.
Make sure that the water valve is closed. Connect the garden hose adapter to the water 
source. Make sure that water comes out when the water valve is opened.  Hold the tool 
fi rmly. Turn the tool on and begin your application.  Apply slight pressure only. Excessive 
pressure will result in poor performance and premature wear.
MAINTENANCE 
  CAUTION!
Always be sure that the tool is switched off and unplugged before attempting to perform 
inspection or maintenance.
  DAILY
Before daily start-up inspect tool, power cord, GFCI, and backer pad or other spindle 
attachments.
If damage has occurred, repair affected areas before use.
Connect the tool to the correct power source and test the Ground Fault Circuit Inter-
rupter (GFCI) before using the tool.  Push the RESET button and confi rm that the red 
light is on, push the TEST button and confi rm that the red run light is off and push the 
RESET button to use the tool.
Turn the unit on and run in a no-load condition to ensure that backer pad or other 
spindle attachment is balanced.
After daily use of the tool, clean and blow off the exterior of tool and around the rear 
air intake vents to remove any standing water or dust.  Failure to do this will shorten 
the life of your tool, and could void your warranty.
  PERIODIC
 
  WARNING!
Preventive maintenance preformed by unauthorized personnel may result in misplacing 
of internal wires and/or components which voids the warranty and could cause serious 
hazards.  We recommend that tool service and repairs not covered in the manual be 
preformed by an Alpha
® Repair Center. 1.
2.
3.
4.
5.