Alpha ToolComHK Limited Sander VSP 230 User Manual

MANUAL  
Alpha® Variable  
Speed Wet Polisher  
Instruction Manual  
Model No.: VSP-230  
WARNING: To reduce the risk of injury, user must read and understand instruction manual!  
103 Bauer Drive, Oakland, NJ 07436 • 800-648-7229 • Fax: 800-286-0114  
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VSP-230 OVERVIEW  
Speed Adjuster  
Power Switch  
“C” Handle  
Band Clamp  
Water Valve  
In-line GFCI  
Center Water Feed  
Water Line  
Splash Guard  
Garden Hose Adapter  
Figure-1  
SPECIFICATIONS  
Working Power Supply................................................... Single-phase AC, 50/60 Hz  
Voltage ........................................................................... 230V  
Plug Type ....................................................................... C (230V)  
Amperage....................................................................... 3.5A  
Wattage.......................................................................... 800W  
Motor .............................................................................. Single-phase  
No Load.......................................................................... 500~2800 RPM  
Polishing Disc Size......................................................... 100mm  
Cord................................................................................ 3m single-phase cable  
Weight .......................................................................... 3.3 kg  
Machine/Cord/GFCI/Water-Line/  
Splash Guard  
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ACCESSORIES  
Figure-2  
COMPONENTS:  
1. Side Handle (Part No. 210074)  
2. Wrench (Part No. 210073)  
3. Band Clamp (Part No. 210088)  
4. Splash Guard (Part No. 210089)  
5. Spare Set of Carbon Brushes (Part No. 210083)  
4
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INTRODUCTION  
Thank you for purchasing the Alpha® Wet Polisher. Please read this instruction manual  
thoroughly to ensure safety and correct use of the polisher. Keep this manual in a place  
where operators can access it easily whenever necessary.  
ABOUT THE SYMBOLS  
According to the hazard level, all safety notes in this manual are classified into “DANGER”,  
WARNING”, and “CAUTION”.  
DANGER!  
WARNING!  
CAUTION!  
Death or serious personal injury is imminent when handling this  
polisher incorrectly.  
There is a possibility of death or serious personal injury when  
handling this polisher incorrectly.  
There is a possibility of personal injury or property damage when  
handling this polisher incorrectly.  
NOTE: In some situations, failing to observe WARNING notes could result in death or  
serious personal injury. Be sure to read and observe the safety notes to ensure  
safety and correct use of the polisher.  
ELECTRICAL SYMBOLS  
The following show the symbols used for tool.  
V
Volts  
A
Amperes  
Hz  
Hertz  
~ or a.c.  
n0  
Alternating Current  
No load speed  
…/min  
kg  
Revolution or reciprocation per minute  
Kilograms  
Protective Earth  
5
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CAUTION!  
The following are important notes for products, operation, and maintenance applicable to  
this polisher.  
GENERAL SAFETY RULES  
WORK AREA  
Keep your work area clean and well lit. Cluttered benches and dark areas invite  
accidents.  
Do not operate power tools in explosive atmospheres, such as in the presence  
of flammable liquids, gases, or dust. Power tools may create sparks which may  
ignite the dust or fumes.  
Keep bystanders, children, and visitors away while operating a power tool.  
Distractions can cause you to lose control.  
ELECTRICAL SAFETY  
Grounded tools must be plugged into an outlet properly installed and grounded  
in accordance with all codes and ordinances. Never remove the grounding prong  
or modify the plug in any way. Do not use any adaptor plugs. Check with a qualified  
electrician if you are in doubt as to whether the outlet is properly grounded. If the tools  
should electrically malfunction or break down grounding provides a low resistance path  
to carry electricity away from the user.  
Avoid body contact with grounded surfaces, such as pipes, radiators, ranges, and  
refrigerators. There is an increased risk of electric shock if your body is grounded.  
Don’t expose power tools to rain or wet conditions. Water entering a power tool  
will increase the risk of electric shock.  
Do not abuse the cord. Never use the cord to carry the tools or pull the plug from an  
outlet. Keep cord away from heat, oil, sharp edges, or moving parts. Replace damaged  
cords immediately. Damaged cords increase the risk of electric shock.  
When operating a power tool outside, use an outdoor extension cord marked  
“W-A” or “W”. These cords are rated for outdoor use and reduce the risk of electric  
shock.  
PERSONAL SAFETY  
Stay alert, watch what you are doing and use common sense when operating  
a power tool. Do not use tool while tired or under the influence of drugs, alcohol, or  
medication. A moment of inattention while operating power tools may result in seri-  
ous personal injury.  
Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your  
hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair  
can be caught in moving parts or drawn into air vents.  
Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with  
your finger on the switch or plugging in tools that have the switch on, invites accidents.  
6
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Remove adjusting keys or wrenches before turning the tool on. A wrench or a  
key that is left attached to a rotating part of the tool may result in personal injury.  
Do not overreach. Keep proper footing and balance at all times. Proper footing and  
balance enables better control of the tool in unexpected situations. Do not use on a  
ladder or unstable support.  
Use safety equipment. Always wear eye protection. Dust mask, nonskid safety  
shoes, hard hat, or hearing protection must be used for appropriate conditions.  
TOOL USE AND CARE  
Use clamps or other practical way to secure and support the workpiece to a  
stable platform. Holding the work by hand or against your body is unstable and may  
lead to loss of control.  
Do not force tool, use the correct tool for your application. The correct tool will do  
the job better and safer at the rate for which it is designed.  
Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled  
with the switch is dangerous and must be repaired.  
Disconnect the plug from power source before making any adjustments, chang-  
ing accessories, or storing the tool. Such preventive safety measures reduce the  
risk of starting the tool accidentally.  
Store idle tools out of the reach of children and other untrained persons. Tools  
are dangerous in the hands of untrained users.  
Maintain tools with care. Keep tools sharp and clean for better and safer performance.  
Follow instructions for lubricating and changing accessories. Inspect the electrical cord  
periodically and if damaged, have it repaired by authorized service facility. Inspect  
extension cords periodically and replace if damaged. Keep handles dry, clean and  
free from oil and grease.  
Check for damaged parts. Before using the tool each day, a guard or other part  
that is damaged should be carefully checked to determine that it will operate properly  
and perform its intended function. Check for alignment of moving parts, breakage of  
parts, mounting, and any other conditions that may affect its operation. A guard or  
other part that is damaged should be properly repaired or replaced by an authorized  
service center unless otherwise indicated elsewhere in this instruction manual. Have  
defective switches replaced by authorized service center. Do not use the tool if it  
cannot be turned on and off by the switch.  
Use only accessories that are recommended by the manufacturer for your model.  
Accessories that may be suitable for one tool, may become hazardous when used  
on another tool.  
SERVICE  
Tool service must be performed only by qualified repair personnel. Service or  
maintenance performed by unqualified personnel could result in a risk of injury.  
When servicing a tool, use only identical replacement parts. Follow instructions in  
the Maintenance section of this manual. Use of unauthorized part or failure to follow  
Maintenance Instructions may create a risk of electric shock or injury.  
7
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SPECIFIC SAFETY RULES  
Accessories must be rated for at least the speed recommended on the tool  
warning label. Wheels and other accessories running over rated speed can fly apart  
and cause injury.  
Hold tool by insulated gripping surfaces when performing an operation where  
the cutting tool may contact hidden wiring or its own cord. Contact with a “live”  
wire will make exposed metal parts of the tool “live” and shock the operator.  
Know your power tool. Read operator`s manual carefully. Learn its application and  
limitations, as well as the specific potential hazards related to this tool. Following this  
rule will reduce the risk of electric shock, fire, or serious injury.  
Always wear safety glasses with side shields. Everyday eye-glasses have only  
impact resistant lenses; they are NOT safety glasses.  
Protect your lungs. Wear a face or dust mask if the operation is dusty.  
Protect your hearing. Wear hearing protection during extended periods of opera-  
tion.  
Inspect tool cords periodically and if damaged, have repaired at your nearest Fac-  
tory Service Center or other Authorized Service Organization. Constantly stay aware  
of cord location.  
Check damaged parts. Before further use of the tool, a guard or other part that is  
damaged should be carefully checked to determine that it will operate properly and  
perform its intended function. Check for alignment of moving parts, binding of moving  
parts, breakage of parts, mounting, and any other conditions that may affect its opera-  
tion, A guard or other part that is damaged should be properly repaired or replaced by  
an authorized service center.  
Do not abuse cord. Never carry the tool by the cord or yank it to disconnect it from  
the receptacle. Keep cord away from heat, oil, and sharp edges. Following this rule  
will reduce the risk of electric shock or fire.  
Make sure your extension cord is in good condition. When using an extension  
cord, be sure to use one heavy enough to carry the current your product will draw.  
An undersized cord will cause a drop in line voltage resulting in loss of power and  
overheating.  
Inspect for and remove all foreign objects from workpiece before polishing.  
Follow this rule will reduce the risk of serious personal injury.  
Drugs, alcohol, medication, Do not operate tool while under the influence of  
drugs, alcohol, or any medication. Follow this rule will reduce the risk of electric  
shock, fire, or serious personal injury.  
Keep hands away from polishing area. Follow this rule will reduce the risk of cuts,  
scrapes, or serious personal injury.  
Ground Fault Circuit Interrupter (GFCI) protection should be provided on the  
circuit or outlet to be used for the tool. Receptacles are available having built-in  
GFCI protection and may be used for this measure of safety.  
Save these instruction. Refer to them frequently and use them to instruct others who  
may use this tool. If you loan someone this tool, loan them these instructions.  
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USE PROPER EXTENSION CORDS  
Use only three-wire extension cords that have three-prong grounding-type plugs and  
three-pole receptacles that accept the tool’s plug. Make sure your extension cord is in  
good condition. Replace or repair damaged or worn cord immediately. When using an  
extension cord, be sure to use one heavy enough to carry the current your product will  
draw. An undersized cord will cause a drop in line voltage resulting in loss of power and  
overheating. Below table shows the correct size to use depending on cord length and  
nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge  
number, the heavier the cord.  
Total length of cord in Metric (230V )  
Ampere Rating  
8m  
15m  
30m  
More Than Not More Than  
Metric Wire Size  
1.5mm2  
0
6
6
10  
12  
1.0mm2  
1.0mm2  
1.5mm2  
1.5mm2  
2.5mm2  
2.5mm2  
1.5mm2  
10  
1.5mm2  
GROUNDING INSTRUCTIONS  
This tool should be grounded while in use to protect the operator from electric shock. The  
tool is equipped with a three-conductor cord and three-prong grounding type plug to fit  
the proper grounding type receptacle. The green (or green and yellow) conductor in the  
cord is the grounding wire. Never connect the green (or green and yellow) wire to a live  
terminal.  
9
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ADDITIONAL PRECAUTIONS FOR USING THE VSP-230  
In addition to the general safety notes described on the preceding pages, please read and  
observe the following precautionary notes before using the polisher.  
DANGER!  
1. Check the working voltage.  
Be sure the voltage available at power outlet matches specified voltage on the name-  
plate. If the polisher is used with higher voltage than specified, the motor will burnout.  
Any attempts to do so may damage the polisher or cause an accident or injury.  
2. Inspect all polishing discs.  
Never use cracked, chipped or damaged polishing discs.  
3. Hold the polisher tightly at start-up.  
Failure to do so may cause an injury due to high impact at initial start up.  
4. Stop using the polisher immediately when noticing any malfunctions or any  
suspicious abnormal noises.  
Turn the power switch OFF and contact your dealer or Alpha Professional Tools® for  
repair.  
5. Handle the polisher with care.  
If you accidentally drop the polisher, do not use it until checking that it is not cracked,  
deformed, or damaged in any way.  
6. Do not pour water or any liquids onto or inside the polisher.  
It may cause electric shocks.  
7. Do not hold the polisher in a vice.  
8. Do not touch any rotating parts.  
Never touch the polishing disc of the polisher during operation with your hands.  
9. Do not leave the disc while spinning on the bench, floor or surface of your  
workpiece.  
It may cause an accident or injury.  
WARNING!  
10. Attach the backer pad and polishing disc correctly by following the procedure  
in this instruction manual.  
Attaching the polishing discs incorrectly may cause an accident.  
10  
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11. Observe any suspicious abnormal noises when a polishing disc is attached for  
the first time and polisher is turned ON.  
It may cause bodily injury if the polishing disc flies 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.  
11  
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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 specified on  
the rating plate.  
SWITCHING ON AND OFF  
CAUTION!  
Before plugging in the tool, always check the working voltage be sure that the voltage  
specified 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.  
ON POSITION  
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 firm grasp on tool. Push power switch  
to the forward position until it locks into position  
as shown in Figure 3.  
Figure-3  
OFF POSITION  
Switching off:  
Push down on power switch to release to the  
rear position as shown in Figure 4.  
Figure-4  
12  
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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!  
1.The GFCI is a safety device, do not use as an on/off switch.  
2.The GFCI on the tool will not protect you if you cut into another current carrying  
conductor.  
3.Do not use where water may enter GFCI case.  
13  
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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!  
RESET BUTTON  
Indicator viewing lens.  
RED lens shows power to  
polisher.  
CLEAR lens shows no power  
to polisher.  
TEST BUTTON  
Figure-6  
Figure-5  
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.  
DECREASE SPEED  
INCREASE SPEED  
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.  
Figure-7  
14  
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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 flow 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 flow 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 position  
Water Valve in  
half open position  
Figure-9  
Figure-8  
Water Valve in full open position  
Figure-10  
15  
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SIDE HANDLE INSTALLATION  
CAUTION!  
During the use ofAlpha® Core Bits and Profilers, 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.  
Figure-12  
Pull handle forward and clear  
of polisher.  
Figure-13  
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-14  
16  
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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.  
Grooved Cut Lines  
Figure-15  
RECOMMENDED HEIGHTS:  
Profiling: When using Alpha® Profilers the  
splash guard can be used at its full height.  
Full height  
Figure-16  
Polishing: When polishing, you may cut the  
splash guard at one of the grooved lines for easier  
access to the workpiece.  
Splash Guard cut to  
accomodate polishing  
application  
Figure-17  
17  
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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.  
Groove  
1. Install the rubber splash guard into  
the tool so that the lip on the splash  
guard fits into the groove on the tool  
and the cutout is around the water  
fitting.  
Figure-18  
2. Open the band clamp completely  
and wrap around the splash guard  
under the water fitting.  
Figure-19  
3. Tighten the clamp until snug.  
Figure-20  
18  
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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 difficult to remove these accessories.  
The VSP-230 polisher has a M14-2 center water-feed spindle thread.  
To attach a profiler wheel or other ap-  
proved spindle attachments, follow the  
steps below:  
1. Screw the attachment onto the  
spindle by hand.  
Figure-21  
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.  
Figure-22  
WATER-FEED ATTACHMENT  
Attach the polisher water-line fitting 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 flow to the tool which could be dangerous.  
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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  
firmly. 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  
1. Before daily start-up inspect tool, power cord, GFCI, and backer pad or other spindle  
attachments.  
2. If damage has occurred, repair affected areas before use.  
3. 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 confirm that the red  
light is on, push the TEST button and confirm that the red run light is off and push the  
RESET button to use the tool.  
4. Turn the unit on and run in a no-load condition to ensure that backer pad or other  
spindle attachment is balanced.  
5. 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.  
20  
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Periodic maintenance is done to check the tool and to minimize down time. These checks  
are done based on hours of operation and operating conditions. Operating condition can  
vary depending on the work surface and job being preformed. If the tool is not used for a  
long period of time the carbon brushes should be checked and the commutator cleaned,  
before putting the tool back into operation.  
BEARINGS AND GEARS  
To minimize your tool’s down time and expensive tool repairs, it is recommended to send  
the tool back to an Alpha® Repair Center after about 300 to 400 hours of operation or every  
second carbon brush set change. The bearings should be replaced and the gears should be  
checked. If your tool starts to sound differently, this could be an indication of a worn bearing;  
continuing to use the tool in this condition could result in over heating or motor failure.  
CARBON BRUSH REPLACEMENT  
Carbon brushes wear out over time, based on the polisher usage. If a carbon brush is worn  
out, it may cause the motor to malfunction or fail to run. Whenever the length of the carbon  
brush reaches the wear limit, replace with a new set.  
NOTE - To maintain even wear, both brushes should be replaced at the same time.  
The carbon brushes in this polisher are located underneath the Rear Cover (Part # 210053)  
as shown in Figure 23.  
Carbon brushes are located under the rear cover  
Figure-23  
21  
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REAR COVER REMOVAL  
1. Gently pull water tube away from  
holder.  
Figure-24  
2. Release the tube from the holder.  
Figure-25  
3. Unwrap 3 inches of the coiled  
harness.  
Figure-26  
4. Remove the 2 screws from the valve  
bracket.  
Figure-27  
22  
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5. Pull the valve assembly away from  
mount.  
Figure-28  
6. Remove the rear case screw.  
Figure-29  
7. Hold polisher with one hand and pull  
the rear case straight back with the  
other hand.  
NOTE: Do not twist case in a side to side  
motion when pulling back.  
Figure-30  
8. Pull back the rear case until the  
carbon brush assembly is exposed.  
NOTE: Do not pull rear case further back  
from this point.  
Figure-31  
23  
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Carbon Brush  
Spring  
Carbon Brush  
Holder  
Carbon Brush  
Wire  
Figure-32  
9. Lift the spring from the carbon  
brush and place on the side of  
the brush holder.  
Figure-33  
10. Remove the carbon brush wire spade connector from the terminal post and then remove  
the carbon brush.  
Spade Connector  
Figure-35  
Figure-34  
24  
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11. You can also remove the carbon brush by  
removing the screw and pulling the holder out  
with a pair of needle nose pliers.  
12. With the carbon brush holder removed, you can  
check and clean the armature commutator. The  
commutator is the contact points that the carbon  
brushes ride on when the motor is running.  
Figure-36  
NOTE: Each polisher has 2 carbon brushes located on opposite sides of each  
other. After the replacement of the two brushes, assemble the polisher by reversing  
disassembly procedure.  
13. Check the carbon brush for wear. Replace if worn down to a 6.4mm.  
New Carbon Brush  
Figure-37  
Old Carbon Brush  
worn down to a quarter  
of an inch (6.4mm).  
14. Blow dust off of the spring and check for proper tension.  
15. Remove the old carbon and disconnect the wire terminal wire. If the inside of the holder  
is filled with dust, clean before installing the new carbon brush. Upon installation of  
the new carbon brush, make sure the twisted wire is in the slot and behind the wire  
terminals on holder as in the photo above.  
25  
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16. The commutator should be clean and shiny; if it is dull and black, you can clean it with  
a commutator cleaning stone.  
Clean  
Dirty  
Figure-38  
Figure-39  
17. To clean the commutator, press the commutator cleaning stone against the commutator  
and rotate the armature by turning the spindle shaft by hand. Continue for a minute  
or until commutator is clean and shiny.  
Figure-40  
18. Reconnect the power wire, ensuring that the wire path is correct. Reinstall the carbon  
brush holder into the slot on motor housing and slide in until the tab for the screw hits  
the stop. Install the screw using light pressure to prevent it from stripping.  
19. After both carbon brushes have been replaced you can reassemble the rear cover.  
Make sure the power wires are in the tool to prevent pinching of the wires.  
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ALPHA® VSP-230 SCHEMATIC  
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ALPHA® VSP-230 PARTS LIST  
DRAWING NO.  
PART NO.  
210001  
210002  
210003  
210004  
210080  
210006  
210090  
210008  
210009  
210010  
210011  
210012  
210013  
210014  
210015  
210016  
210017  
210018  
210019  
210020  
210021  
210022  
210023  
210024  
210025  
210026  
210027  
210028  
210029  
210030  
210031  
210032  
210033  
210034  
DESCRIPTION  
Screw M4x14  
QUANTITY  
1
4
5
4
1
1
2
1
2
1
1
1
1
1
4
4
1
1
1
2
1
2
1
2
1
1
1
1
1
1
1
1
1
2
1
2
Spring Washer 4  
Plain Washer 4  
Shower Bolt  
3
4
5
Output Shaft 230V (M14-2)  
Key 3x10  
6
7
Gear Case Cover  
Oil lip seal B16x28x7D  
Bearing Washer  
Ball bearing 6201  
Gear Washer  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
Thrust Bearing 15x28x6  
Bearing Clamp  
Spring Washer 5  
Screw M5x16  
Gear  
Wave Spring Lock Washer 10  
“C” clip for Shaft 10  
Oil-impregnated Bearing 8x12x8  
Spindle-Lock Pin  
Self-tapping Screw 4.2x45  
Case Plastic Cover  
Screw M10x20  
C-Handle  
Lock Pin Cap  
Pin Spring  
Gear Case  
Anti-loose Nut M6  
Pinion Z3  
Transmitting Shaft  
Ball Bearing 6200  
Bevel Gear Z2  
Screw M4x8  
Bearing Retainer  
28  
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ALPHA® VSP-230 PARTS LIST  
DRAWING NO.  
PART NO.  
210035  
210036  
210081  
210038  
210039  
210040  
210041  
210082  
210101  
210091  
210100  
210046  
210047  
210083  
210049  
210094  
210098  
210052  
210053  
210054  
210055  
210056  
210057  
210058  
210059  
210085  
133229  
210063  
210064  
210065  
210066  
210067  
210068  
210069  
DESCRIPTION  
QUANTITY  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
61  
62  
63  
64  
65  
66  
67  
68  
69  
O-Ring 21.2x1.8  
1
1
1
1
1
1
2
1
1
1
1
2
2
2
2
2
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Ball Bearing 608  
Armature 230V  
Ball Bearing 607  
Rubber Bearing Seat  
Windshield  
Self-tapping screw 4.2x70  
Field Coil 230V  
Brand Label  
Field Coil Case  
Data Label  
Carbon Brush Holder  
Coil Spring  
Carbon brush 230V (105S)  
Self-tapping screw 2.9x8  
Terminal Block  
Speed Pot w/Feed-Back Sensor 230V  
Capacitor 9.22F (for 230V version only)  
Rear Cover  
Self-tapping screw 4.2x14  
Cord Jacket  
Twist Strip  
Rubber Washer  
Garden Hose Adapter  
Spring  
Power Supply Cord 230V  
Water Hose 8mm ODx10ft (3m)  
Water Valve Bracket  
Water Valve Assembly  
Water Hose 6mm ODx8in (20cm)  
Cord Clamp  
Outlet Tap  
Switch  
Back Moving Spring  
29  
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ALPHA® VSP-230 PARTS LIST  
DRAWING NO.  
PART NO.  
210070  
210071  
210086  
210073  
210074  
210075  
210076  
210077  
210078  
210079  
210087  
210088  
210089  
210095  
210096  
210097  
DESCRIPTION  
QUANTITY  
70  
Switch Push Lever  
Switch Push Button  
GFCI 230V (European)  
Wrench  
1
1
1
2
1
1
1
2
2
1
1
1
1
1
1
1
71  
72  
73  
74  
Side Handle  
75  
O-Ring 15x2.65  
Dash Panel  
76  
77  
Self-tapping screw 4.2x40  
Self-tapping screw 4.2x10  
Water Valve Tap  
BMC (Blow Mold Case)  
Band Clamp  
78  
79  
(not shown)  
80  
81  
82  
83  
84  
Splash Guard  
Magnetic Ring  
Screw M4x8  
Terminal Connector  
SERVICES AND WARRANTY INFORMATION  
LOANER PROGRAM  
Loaner tools can be issued to temporarily replace a tool that is being returned to Alpha®  
for repair. If more than one tool is being returned for repair, the number of loaner tools  
provided will be based on availability.  
If a loaner tool is required, contact Alpha® Tool Department at (800) 648-7229 to receive a  
Loaner ToolApplication. Avalid credit card number must be provided as a security deposit.  
The credit card will only be charged if the loaner tool is not returned toAlpha® within 30 days.  
An authorized signature is required for the credit card being used. A second signature is  
required as an agreement of the overall policy.  
NEED MORE INFORMATION  
For information on Alpha Professional Tools® complete product line, visit us on the web at  
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ALPHA® TOOL REPAIR SERVICE  
For more information concerning Alpha® tool repair service, please contact the  
Alpha® repair centers listed below:  
COMPANY HEADQUARTERS:  
Alpha Professional Tools®  
103 Bauer Drive  
Oakland, NJ 07436  
8:30 a.m. – 5:00 p.m. EST  
201-337-3343  
Hours of Operation:  
Telephone Number:  
Toll-Free Number:  
800-648-7229  
FACTORY SERVICE AND  
TRAINING CENTER:  
3625 W. Teco Ave.,  
Suite #5  
Las Vegas, NV 89118  
7:30 a.m. – 4:00 p.m. PST  
702-837-9515  
Hours of Operation:  
Telephone Number:  
Toll-Free Number:  
888-292-5742  
WARRANTY  
Limited Warranty of Alpha® Wet Polisher  
Alpha Professional Tools® warrants this product against defects in material and  
workmanship for a period of 180 days from the date of original retail purchase (proof  
of purchase required). If Alpha Professional Tools® receives notice of such defects  
during the warranty period, our obligation assumed under this warranty is limited to  
the repair or replacement of parts, without charge. This warranty does not apply to  
tool accessories.  
For Warranty Claims: Send complete tool with all your information and details of the  
problem to your nearest Alpha® Repair Center, transportation prepaid. Do not send  
tool accessories.  
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EC DECLARATION OF CONFORMITY  
Name of Manufacturer:  
Address of Manufacturer:  
Alpha Professional Tools®  
103 Bauer Drive  
Oakland, NJ 07436  
USA  
Herewith declares that:  
ELECTRIC HAND TOOL:  
“Alpha® Wet Polisher”  
Make:  
Type:  
Alpha Professional Tools®  
VSP-230  
-Does comply with the provisions of the Mechanism Directive 2006/42/EC and EMC  
Directive 2004/108/EC including the subsequent amendments.  
And furthermore declares that:  
-The following (parts/clauses of) harmonized standards have been applied:  
EN60745-1:2009, EN60745-2-3:2007, EN60745-2-3:2007/FprAC:2009, EN60745-2-  
3:2007/FprA1:200X, EN62233:2008, EN55014-1:2006, EN61000-3-2:2006, EN61000-3-  
3:1995+A1:2001+A2:2005, and EN55014-2:1997+A1:2001  
Dec / 2009  
Year of affix CE Marking: 2009  
Oakland, New Jersey USA  
Nao Takahashi  
(President)  
Limited Warranty of Alpha® Wet Polisher for the USA and Canada ONLY!  
Alpha Professional Tools® warrants this product against defects in material and  
workmanship for a period of 180 days from the date of original retail purchase (proof  
of purchase required). If Alpha Professional Tools® receives notice of such defects  
during the warranty period, our obligation assumed under this warranty is limited to  
the repair or replacement of parts, without charge. This warranty does not apply to  
tool accessories.  
For Warranty Claims: Send complete tool with all your information and details of the  
problem to the address printed on the cover of this manual, transportation prepaid.  
Do not send tool accessories.  
Assembled in China  
Last revised: 12/2009  
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APPENDIX A  
FREQUENTLY ASKED QUESTIONS  
Q. What applications is the Alpha® VSP-230 recommended for?  
A. TheAlpha® VSP-230 is recommended for wet polishing, wet core drilling, profiling  
and grinding.  
Q. What is the warranty for this VSP-230?  
A. Alpha Professional Tools® warranties the VSP-230 against defects in material and  
workmanship for a period of 180 days from the date of original retail purchase  
(proof of purchase required). Please complete the warranty registration card  
upon receipt and mail immediately for prompt warranty service. Our obligation  
assumed under this warranty is limited to the repair or replacement of parts  
without charge. The warranty does not apply to tool accessories. The warranty  
for repairs is 30 days on the parts and labor.  
Q. Does the VSP-230 have a maintenance program?  
A. Alpha Professional Tools® does not offer any type of maintenance program.  
However, we do recommend periodic checking and/or replacement of the carbon  
brushes for extended service life. If you should hear or detect unusual noise  
during the operation of the VSP-230, we recommend that you send it in to our  
repair department for some preventative maintenance.  
Q. What is the RPM of the VSP-230?  
A. This polisher is a variable speed polisher with an RPM range of 500 – 2,800.  
Q. What shall I do if my VSP-230 breaks down and I need to complete the job  
immediately?  
A. This largely depends upon the time frame involved. The first step would be  
to check and replace the carbon brushes. Alpha Professional Tools® has two  
warranty service centers and can turn your tool repair around in a 3-5 day period.  
Please contactAlpha® for information or send tool to your nearest regional repair  
center. For additional information or alternative solutions. please contact our  
tool repair department.  
Q. The GFCI is tripping frequently. What I can I do?  
A. If the GFCI is tripping frequently, there could be several problems.  
1. Water is getting inside the polisher. Dry the tool with compressed air and try  
to prevent water from getting into the polisher.  
2. The voltage drops due to sharing the same power source in a work area.  
3. Too much force is applied to the tool. Back-off on the pressure.  
4. The outlet may be loose. Make sure the power cord plug is tightly inserted  
in the power outlet.  
5. Contact Alpha Professional Tools® tool repair department for further advice.  
Q. If my VSP-230 breaks down, whom should I contact for repair?  
33  
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A. Contact the dealer where you purchased the tool or Alpha Professional Tools®  
directly at 800-648-7229.  
Q. Can I use my VSP-230 as a wet cutting tool with a diamond blade?  
A. No. The VSP-230 only has a 2,800 no load RPM rating. This is not enough RPM  
for cutting applications with a diamond blade. It is unsafe to use the VSP-230  
as a cutting tool. Do not attempt to cut with the VSP-230.  
Q. Can I use my VSP-230 for dry polishing applications?  
A. No. The VSP-230 is designed for wet use only. Alpha® recommends using our  
AWP-158/214 for dry polishing applications.  
Q. How can I get the parts list and schematic for the VSP-230?  
A. There are several ways to obtain information such as this fromAlpha Professional  
Tool Dept Help Desk at 800-648-7229.  
Q. What is the proper RPM for polishing Engineered Stone?  
A. Any RPM range on this polisher will work for polishing engineered stone. Using  
slower RPM together with the Alpha® Ceramica EX will provide the optimum  
polish on engineered stone material.  
Q. What is the largest diameter accessory that the VSP-230 will accept?  
A. The VSP-230 will accept accessories up to 127mm. Do not attempt to use  
accessories larger than 127mm for safety reasons. In addition, large accessories  
require more torque than the VSP-230 can provide. Operating the VSP-230 under  
these conditions will result in overheating failure.  
Q. Can I use the VSP-230 for drilling applications such as faucet holes?  
A. Yes. The VSP-230 can be used withAlpha® Core Bits to drill faucet mounting holes.  
We recommend using the provided C-Handle attachment and a template.  
Q. How many liters of water does the Alpha® VSP-230 use per minute?  
A. TheAlpha® VSP-230 has a throughput of approximately 4.2 liters per minute with  
the water valve fully open.  
HELPFUL HINTS  
1. If your VSP-230 does not start, check the carbon brushes for proper seating.  
2. If the VSP-230 does not re-start, check and reset the GFCI.  
3. Avoid dragging the VSP-230 on top of stone surfaces. The aluminum body may leave  
marks on the surface.  
4. The C-Shape handle attached to the polisher is highly recommended for more stability  
of the polisher during certain applications such as: surface polishing, core drilling and  
profiling.  
xxxiv  
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PRODUCT REGISTRATION CARD  
Model No.  
Serial No.  
Company Name: ______________________________________________  
Name: ______________________________________________________  
Address: ____________________________________________________  
City: _______________________State: ________Zip: ________________  
Telephone: ___________________________________________________  
Purchase Date: _______________________________________________  
Dealer’s Name: _________________________________  
Note: Serial & Model Number must be included for proper registration.  
(800) 648-7229  
Register online at:  
Mail or Fax to:  
Alpha Professional Tools  
®
103 Bauer Drive, Oakland, NJ 07436  
Fax: 800-286-0114  
Photocopy of product registration form will be accepted.  
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103 Bauer Drive, Oakland, NJ 07436 • 800-648-7229 • Fax: 800-286-0114  
Copyright © 2008 Alpha Professional Tools. All rights reserved.  
Assembled in China  
Revised: 09/2008  
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