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Alpha Tool.Com.HK Limited Polisher VSP120 User Manual

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Page 11

9
9. Do	not	leave	the	disc	while	spinning	on	the	bench,	floor	or	surface	of	
your workpiece.  
It may cause an accident or injury.
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.
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...

Page 12

10
VSP-120 VARIABLE SPEED WET POLISHER OPERATION
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
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...

Page 13

11
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.
Never	attach	a	damaged	extension	cord	to	the	polisher.
  NOTE:  Use the appropriate extension...

Page 14

12
TESTiNG iN-LiNE GFCi UNiT (Before Each Use Of The Polisher)
•  Connect polisher to a single phase AC power supply.
•  Verify that the indicator lens shows red (indicating output voltage).
•   
Press the test button to verify that the red in the indicator lens disappears.
•  Press the reset button to verify the red indicator is visible.
•  The GFCI is now ready for use.
DO NOT USE IF ABOVE TEST FAILS!
VAriABLE SPEED ADJUSTMENT
This polisher is equipped with a Variable Speed control that will allow the...

Page 15

13
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
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...

Page 16

14
SiDE HANDLE iNSTALLATiON
During  the  use  of  Alpha
®  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:
  CAUTION!
Figure-12
Figure-13
Figure-14 Remove both side crews from 
center handle.
Pull  handle  forward  and  clear 
of polisher.
Thread  the  sidehandle  into 
either  the  left  or...

Page 17

15
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  instrments,  choose  the 
desired  height  according  to  the 
application to be performed adn 
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...

Page 18

16
SPLASH GUArD iNSTALLATiON
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  fits  into  the 
groove  on  the  tool  and  the 
cutout  is  around  the  water 
fitting.
2.     Open  the  band  clamp 
completely  and  wrap  around 
the  splash  guard  under  the 
water fitting....

Page 19

17
PrOFiLEr AND OTHEr APPrOVED SPiNDLE ATTACHMENTS
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-120 polisher has a 5/8”-11 center water-feed spindle thread.
To  attach  a  profiler  wheel  or  other 
approved spindle attachments, follow 
the steps below:
Screw the attachment onto the spindle 
by hand.
Tighten with supplied wrench.
NOTE : If attachment does not thread 
in freely,...

Page 20

18
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...
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