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Virginia Abrasives FG-11, Operator'S Manual, Page: 12 / 14

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Virginia Abrasives FG-11 Operator'S Manual Download Page 12

1.800.446.1805  

•

  VirginiaAbrasives.com  

•

  [email protected] 

12 

MAINTENANCE

Problems and trouble shooting 

Machine will not run 

•

Check the power supply (breaker panel) and the
power cables and make sure that they are not
damaged.

Machine is hard to hold onto 

•

Grinding thick glue, coatings or soft floors will
greatly increase the load on grinder and
operator accompanied by high current draw.
Move the machine more slowly to reduce the
load.  Work the edges of a clean area.

Machine is jumping around 

•

The rubber disc in the rigid drive coupling may
be worn or damaged.  Change if necessary. 

•

Diamonds may not be fitted correctly or have
different heights.  Check to ensure all diamonds
are fitted correctly and are at the same height. 

Machine stops after short usage 

•

The machine is overloaded and the thermal
overload protection has been deployed.  Reduce
the load on the machine.  The machine will
reboot after approximately one minute when
the thermal overload has cooled off.

Machine stops during start-up 

•

The electric motor has been overloaded.  Allow
the machine one or two minutes to reset and try
again.  Make sure that the diamond tooling is
not in contact with the floor during start up.

Cleaning 

Always remove the plug from the electrical outlet 
before loading tooling, cleaning, maintenance or 
assembly.  Clean all equipment at the end of the 
work day.   

Do not use a high-pressure washer to clean the 
machine.  In order for the machine to always be 
cooled sufficiently the cooling air openings must 
be kept clear and clean. 

Use of an air hose should be avoided to prevent 
dust particles from becoming air born. 

Rubber shock absorber discs 

Check the rubber shock absorbing dics in the 
drive coupling every month. Replace if 
necessary.  

Electrical Feed 

WARNING! Never use damaged cables. 
They can cause serious, even fatal, 
personal injuries. 

Check that the cord and the extension cord are intact and 
in good condition.  Never use the machine if the cord is 
damaged.  Replace the cord or have it repaired at an 

authorized electrical service shop. 

Dust Shroud 

Make sure that the dust shroud is intact, clean and that it 
is in light contact with the floor.  A damaged dust shroud 
should be replaced. 

Service 

IMPORTANT!  All types of repairs may only 

be carried out by authorized repairmen.   

Summary of Contents for FG-11

Page 1: ...Electric Floor Grinding Machine Model FG 11 Operator s Manual ...

Page 2: ...hine Virginia Abrasives is willing to provide you with advice to use your machine both efficiently and safely Maintain your machine frequently Check the machine and make proper adjustments and repairs All information and data in the Operator s Manual were applicable at the time the Operator s Manual was printed Contact the manufacturer for updates Warning Under no circumstances should you modify t...

Page 3: ... be destroyed or repaired by an authorized electrical repair shop The machine should be connected to a grounded outlet socket Ensure that the main voltage corresponds with that stated one electrical rating on the machine Be on your guard for electrical shocks To avoid overheating do not use an extension cord Use only a 12 gauge minimum cord Ensure the cord remains out of the grinding area to avoid...

Page 4: ...nding the machine must be connected to an industrial grade vacuum When changing the grinding tools ensure power supply to the unit is off by engaging the STOP BUTTON and unplugging the FG 11 from the power source After each grinding polishing operation always remove the diamond tools Make sure that the dust shroud is intact and clean and that it seals tightly against the floor Damaged or worn dust...

Page 5: ... any time HOW TO ORDER REPAIR PARTS To ensure produce safety and reliability always use the original equipment replacement parts when making repairs When ordering parts please specify the MODEL and SERIAL NUMBER of the machine as given on the NAME PLATE Provide the part number description and quantity as listed on the parts list Please note Due to improvements and changes in the equipment the illu...

Page 6: ...oncrete and therefore the more difficult it will be to grind However other factors besides compressive strength ratings determine how hard the floor will be and therefore will determine the correct diamond selection Since grinding normally only deals with the surface of concrete top 5mm or inch often the way the concrete floor has been finished or the condition of the surface will have a greater b...

Page 7: ...mastics paint urethane and thinset Grit Very Coarse PCD Diamond Moderate removal of hard coatings Leaves moderate scratch marks and surface texture Diamond prevents PCD from gouging Grit Coarse Diamond Trapezoids Coatings and concrete removal Light leveling and smoothing of concrete surface Leaves smooth surface with no gouges Grit Coarse Medium Medium Fine ...

Page 8: ...al rated dust collector Make sure that the filters in the dust collector are intact and clean Monitor proper dust collection during operation Attach the skirt Adjust the rubber skirt to be in close proximity to the floor to ensure efficient dust collection lightly touching the floor or nearly touching the floor ...

Page 9: ...while handle is in folded position to ensure bolts are not lost in transport Select the correct grit size diamonds for your application Please refer to the following guide for to the basic application of Virginia Abrasives diamond tooling APPLICATIONS GRIT SIZE Flatten concrete floor Ceramic tile adhesive Epoxy paint removal Rain damaged concrete Grinding to expose aggregate in concrete 30 40 Bond...

Page 10: ...e Perform all daily maintenance Inspect accessories to be sure the correct tooling for the application is installed properly on the machine Inspect the work area to determine the presence and location of deck inserts pipes columns and objects producing from the slab surface so that they may be avoided during the grinding operation Remove or grind down deck inserts and or other foreign materials to...

Page 11: ...le abraded If the pattern is less than a full circle further level adjustment is required Reduce the pressure between grinding disc and floor by pushing down on the handle without raising the grinder off the ground You are ready to grind Use a side to side grinding motion as the FG 11 is worked forward Using a front to back motion may stall the motor and cause overheating or cause the breaker to t...

Page 12: ...erloaded Allow the machine one or two minutes to reset and try again Make sure that the diamond tooling is not in contact with the floor during start up Cleaning Always remove the plug from the electrical outlet before loading tooling cleaning maintenance or assembly Clean all equipment at the end of the work day Do not use a high pressure washer to clean the machine In order for the machine to al...

Page 13: ...y 4 hours Daily Every 50 hours of operation As required Visual inspection of entire machine X Check dust shroud replace as needed X Check for stable handle position X Grease bearings X Inspect drive belt X Inspect diamond tooling X Check condition of belts X Check belt tensioning X Clean dust dirt off machine X ...

Page 14: ...FG 11 Grinder Parts Diagram ...

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