Alpha Tool.Com.HK Limited Polisher AIR658 User Manual

Part No: AIR-658Version 5
103 Bauer Drive, Oakland, NJ 07436 • 800-648-7229 • Fax: 800-286-01 14
www.alpha-tools.com
Alpha® Pneumatic
Air Polisher
Instruction Manual
MANUAL
For repair information call:
Headquarters, Oakland, NJ — (800) 648-7229
Due to specially designed components this machine must be serviced only 
with genuine ALPHA® parts.
Shown with Splash Guard
(Optional Accessory)  

2
Table oF ConTenTs
Introduction
 
 ........................................................................\
........ 3
About the Symbols
 

.................................................................... 3
Safety Instructions for Power Tools
  ...........................................4
AIR-658 Overview
 

..................................................................... 6
Specifications
 

........................................................................\
.... 6
Accessories...

3
 InTroduCTIon
Thank  you  for  purchasing  an Alpha
® Air  Polisher.   This  polisher  is 
the  workhorse  of  a  complete  polishing  system.    A  wide  range  of 
accessories  help  you  perform  many  different  tasks.   This  tool  lets 
you grind, shape, bevel, contour and polish all kinds of granite and 
marble.  You can easily change from one type of disc to another in 
just  a  matter  of  seconds.   The  tool  is  used  with  water  to  help  you 
get the best possible finish, to reduce the...

4
 saFeTy Ins T ru CTI ons  F or  P o W er  Tools  
1.  
KNOW 
 YOUR POWER TOOL.  Read owner’s manual carefully.  
Learn  its  applications  and  limitations  as  well  as  specific 
potential hazards particular to this tool. 
2.
 
KEEP
   WORK  AREA  CLEAN.  Cluttered  areas  and  benches 
invite accidents. 
3.
 
A
 VOID  DANGEROUS  ENVIRONMENTS.    Keep  work  areas 
as dry as possible.  Do not use tool in presence of flammable 
liquids or gases.  Keep the area well lit. 
4.
 
KEEP
  CHILDREN AND...

5
12. DON’T  OVERREACH.    Keep  proper  footing  and  balance  at all times. 
13.
 
DISCONNECT
   TOOLS  WHEN  NOT  IN  USE.    Always 
disconnect tool before servicing; when changing accessories 
such as grinding wheels, backer pads, etc.
14.
 
RE
 MOVE  ADJUSTING  KEYS  AND  WRENCHES.    Form  a 
habit of checking to see that keys and adjusting wrenches are 
removed from tool before turning it on. 
15.
 
MAINT
 AIN  TOOLS  WITH  CARE.      Keep  tools  clean  at  all 
times for best and safest...

6
aIr-658 oVerVIe W
Rubber Splash Guard
(Optional Accessory) Reversible Handle10 ft Water Hose10 ft Air Hose
Adjustable Air Valve Adjustable Water Valve
Rubber Body cover
Internal Water Line
 sPeCIFICaTI ons
RPMWeight Air  
Consumption Air  
Pressure Air  
Inlet Water 
 Inlet Spindle
U.S.
No Load 4,000 2.64 lb 15 CFM 87 PSI
1/4” BSPP 1/8” BSPP 5/8”-11
METRIC 1.2 kg 0.42 M
3/Min 6 Bars   

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 aCCessorIes 
 W
ater hose (10 ft / 3m)   ......................................1pc
 Air hose (10 ft / 3m)............................................ 1pc    
 W

rench (22mm)
 
 ................................................. 1pc          
 Side handle 

........................................................ 1pc
 Lubrication Oil (1oz / 30 cc sample bottle) ...............1pc 
 
 oPTIonal aCCessorIes 
 Splash Guard (A

WP-01)   ....................................1pc
 C-Shaped Handle (A

WP-21A)...

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 ConneCTIon FITTInGs
The 
air  and  water  hose  fittings  on  the  back  of  this  tool  are  BSPP 
(British  standard  parallel  pipe  or  “G”  thread).  These  fittings  have 
parallel  threads  and  seal  off  on  the  flat  surface  on  the  bottom  of 
the thread. This type of fitting is usually supplied with an “O”ring or 
sealing ring which we replaced with the silencer.
Air Valve
Water Hose Nipple
Water Hose
Exhaust Hose
Clamp
Air HoseWater Valve
Air Hose Joint
Compression Nut
  WARNING!...

9
 aIr Pressure and Volume
The 
recommended  air  pressure  for  this  tool  is  87  PSI  (6  BARS), 
however, the range of 85 to 90 psi is acceptable. Any pressure over 
90 PSI will exceed the max speed rating of the rotor bearings caus-
ing them to overheat and lock up. 
The most important factor in running this tool is the volume of air being 
supplied to the tool. The volume is the air consumption needed to run 
this tool at a constant speed under light downward hand pressure. 
The volume is measured...

10
Lubricating  the  tool  before  and  during  working  is  not  needed.  Ex-
cessive oil will turn to a tar-like substance inside the tool, causing 
the  vanes  to  stick  in  the  rotor  and  slow  the  tool  down. This  is  the 
reason  we  do  not  recommend  automatic  oilers  be  used  with  this 
tool. Old or worn compressors, which emit oil through the air lines, 
can significantly shorten the life of the tool.
PolIshInG and usInG The Tool
This tool and the Alpha® accessories approved for use...