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GETTING TO KNOW YOUR ASH VACUUM, 

ELECTRICAL INFO & SPECIFICATIONS

SPECIFICATIONS 
Model

..............................................................................8521AV 

Voltage

..............................................................................120V 

Horsepower

............................................................6 HP (peak) 

Amperage

............................................................................7.5A 

Phase

........................................................................................1 

Hertz

..................................................................................60Hz 

Tank size

................................................5 Gallon (US)/20 liters  

Air flow

..........................................................................53 CFM 

Vacuum pressure (inches of water)

..................................60”

POWER SUPPLY- WARNING:

 YOUR VACUUM MUST BE                     

CONNECTED TO A 120V,  MINIMUM 15-AMP. BRANCH CIRCUIT. 
FAILURE TO CONNECT IN THIS WAY CAN RESULT IN INJURY 
FROM SHOCK OR FIRE. 
 

DOUBLE INSULATION 

Double insulated tools are equipped with a polarized two-prong plug 
(one blade is wider than the other). This plug will fit in a polarized outlet 
only one way. If the plug does not fit fully into the outlet, reverse the 
plug. If it still does not fit, contact a qualified electrician to install a     
polarized outlet. Do not alter or change the plug in any way. Double 
insulation eliminates the need for three wire grounded power supply 
and grounded power cords. 
 

120V OPERATION- 

As received from the factory, your vacuum is ready 

to run for 120V operation. This vacuum is intended for use on a circuit 
that has an outlet and a plug which looks like the one illustrated in Fig.1. 

         

 
EXTENSION CORDS 

 
Improper use of extension cords may cause inefficient operation of your 
tool which can result in overheating. Be sure your extension cord is 
rated to allow sufficient current flow to the motor. If you are using the 
tool outdoors, use an extension cord rated for outdoor use (signified by 
“SJW or SJTW” on the jacket). 
 
The extension cord must have a minimum wire size depending on the 
amperage of the tool and the length of the extension cord. This size is 
determined by its AWG (American Wire Gauge) rating. The smaller the 
gauge, the greater the cable’s capacity. The amount of cords used does 
not matter: Total length determines the minimum AWG rating. Every 
cord must meet the AWG rating. Use the chart in Fig.2 to determine 
what AWG rating is required for your situation.

FIGURE 1

POLARIZED OUTLET

POLARIZED PLUG

1) Tank 
2) Cover/motor assembly 
3) Cover latch (2) 
4) Power cord 
5) Carry handle 
6) Blower port 
7) On/Off switch 
8) Hose 
9) Inlet port 
10) Aluminum nozzle 
11) HEPA Cartridge filter (installed inside tank)

ELECTRICAL INFO &  
SPECIFICATIONS

GETTING TO KNOW YOUR ASH VACUUM

Tool’s 

Amperage 

Rating 

 

3-6 
6-8 

8-10 

10-12 
12-16

Cord Size in A.W.G.

Cord Length in Feet 

   25     50    100   150

   

18

    

16

    

16

     

14 

   

18

    

16

    

14

     

12 

   

18

    

16

    

14

     

12 

   

18

    

16

    

14

     

12 

   

14

    

12

      

-

       

-

FIGURE 2

Summary of Contents for 8521AV

Page 1: ...s product for vacuuming liquids Only use this unit to vacuum dry dust material Do not pick up anything that is burning or smoking such as cigarettes matches or hot ashes Cold ash only Do not vacuum or use this Ash vacuum near flammable liquids gases or explosive vapors like gasoline or other fuels lighter fluids cleaners oil based paints natural gas hydrogen or explosive dusts like coal dust magne...

Page 2: ...ctly or indirectly to misuse abuse normal wear and tear negligence or accidents repairs done by an unauthorized service center alterations and lack of maintenance King Canada shall in no event be liable for death injuries to persons or property or for incidental special or consequential damages arising from the use of our products To take advantage of this limited warranty return the product at yo...

Page 3: ...cuum with wet hands Do not use without filter in place Do not allow to be used as a toy Close attention is necessary when used by or near children To reduce the risk of injury from accidental starting unplug power cord before changing or cleaning filter Do not leave vacuum when plugged in Unplug from outlet when not in use and before servicing Turn off all controls before unplugging Unplug before ...

Page 4: ...e one illustrated in Fig 1 EXTENSION CORDS Improper use of extension cords may cause inefficient operation of your tool which can result in overheating Be sure your extension cord is rated to allow sufficient current flow to the motor If you are using the tool outdoors use an extension cord rated for outdoor use signified by SJW or SJTW on the jacket The extension cord must have a minimum wire siz...

Page 5: ...SSEMBLY AND SET UP INSTRUCTIONS HAVE BEEN DONE INSTALLING FILTER Before reinstalling the cover motor assembly on make sure the included HEPA cartridge filter A Fig 4 is installed as shown If the HEPA cartridge filter is not installed it must be installed before use simply press it up over the motor cage as shown Reposition and secure the cover motor assembly to the tank with both cover latches INS...

Page 6: ...uum MAINTENANCE Warning To reduce the risk of injury and electrical shock unplug the power cord from the power source Airborn dust will be produced when cleaning wear dust mask To maintain peak vacuum performance the HEPA cartridge filter must be cleaned often General Maintenance and Inspection The inside of the tank hose and aluminum nozzle should be cleaned after every use this cleaning should o...

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