Alpha Tool.Com.HK Limited Polisher VSP230 User Manual

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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...

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Figure-24
 REAR COVER REMOVAL
1.  Gently pull water tube away from 
holder.
2.  Release the tube from the holder.
3.   Unwrap 3 inches of the coiled 
harness.
4.   Remove the 2 screws from the valve 
bracket.
Figure-25
Figure-26
Figure-27 

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5.  Pull the valve assembly away from 
mount.
6.  Remove the rear case screw.
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.
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-30
Figure-31
Figure-29
Figure-28 

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9.    Lift the spring from the carbon 
brush and place on the side of 
the brush holder.
10. Remove the carbon brush wire spade connector from the terminal post and then remove 
the carbon brush.
Figure-33
Carbon Brush
Carbon Brush
Holder
Carbon Brush
Wire
Spring
Figure-32
Figure-34
Spade Connector
Figure-35 

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.
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....

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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.
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.
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...

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ALPHA® VSP-230 SCHEMATIC 
Revised: 01/2008 

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ALPHA® VSP-230 PARTS LIST
DRAWING NO. PART NO. DESCRIPTION QUANTITY
1 210001 Screw M4x14 4
2 210002 Spring Washer 4 5
3 210003 Plain Washer 4 4
4 210004 Shower Bolt 1
5 210080 Output Shaft 230V (M14-2)  1
6 210006 Key 3x10 2
7 210090 Gear Case Cover 1
8 210008 Oil lip seal B16x28x7D 2
9 210009 Bearing  Washer 1
10 210010 Ball bearing 6201 1
11 210011 Gear Washer 1
12 210012 Thrust Bearing 15x28x6 1
13 210013 Bearing Clamp 1
14 210014 Spring Washer 5 4
15 210015 Screw M5x16 4
16 210016 Gear 1
17...

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ALPHA® VSP-230 PARTS LIST 
DRAWING NO. PART NO. DESCRIPTION QUANTITY
35 210035 O-Ring 21.2x1.8 1
36 210036 Ball Bearing 608 1
37 210081 Armature 230V 1
38 210038 Ball Bearing 607 1
39 210039 Rubber Bearing Seat 1
40 210040 Windshield 1
41 210041 Self-tapping screw 4.2x70 2
42 210082 Field Coil 230V 1
43 210101 Brand Label 1
44 210091 Field Coil Case 1
45 210100 Data Label 1
46 210046 Carbon Brush Holder 2
47 210047 Coil Spring 2
48 210083 Carbon brush 230V (105S) 2
49 210049 Self-tapping screw 2.9x8...

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 Tool Application.  A valid credit card number must be provided as a security deposit.  
The credit card will only be charged if...