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National GP30 Operating Manual

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GP30 GRINDER
OPERATING MANUAL
Read Manual Before Operating Machine
402600 Rev B

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Summary of Contents for National GP30

  • Page 1 GP30 GRINDER OPERATING MANUAL Read Manual Before Operating Machine 402600 Rev B...

  • Page 2: Table Of Contents

    Table of Contents Technical Data..........1 Safety Instructions .

  • Page 3: Technical Data

    220/230 VAC 3-Phase 60 Hz Operative Range and Correct Usage The GP30 is designed to be used on clean, dry or wet horizontal surfaces without obstacles. The machine cannot be used for other purposes. The manufacturer will not be liable for damages resulting from incorrect usage. In case of wrong usage the user is responsible for all risks.

  • Page 4: Safety Instructions

    Advice for Operators of Grinding Machines During the operation of the GP30 it may be possible to exceed the acceptable noise level of 85 dB(A). This is dependent on the different locations and the local circumstances. When the noise level is 85 dB(A) or more, the machine operator and the persons working near the machine must wear sound-insulating devices.
  • Page 5 Organizational Measures The Operating Instructions are to be kept near where the machine is located and must be reachable at all times. In addition to this manual, general and legal regulations regarding accident prevention and environmental protection must be complied with. These may for example relate to the handling of hazardous substances or to the provision and wearing of personal protection equipment, as well as compliance with local traffic regulations.
  • Page 6 Work on the electrical parts of the equipment may only be undertaken by a skilled electrician or by a trained person under the guidance and supervision of a skilled electrician in accordance with the electrical engineering regulations. Safety Precautions Applicable to Different Operating Conditions Avoid any method of working that impairs safety! All precautions must be taken so that the machine is only used in a safe and functional status.
  • Page 7 If safety devices need to be dismantled during setup, maintenance, or repair work, they must be reinstalled and inspected immediately after completion of the service or repair work. Make sure that materials and replacement parts are disposed of safely and in an environmentally- friendly manner.

  • Page 8: General Information

    Care & Maintenance Operative Range The GP30 is a grinding machine with counter rotating heads that is used for preparation and polishing horizontal surfaces. Grinding the surface according to NFE specifications thoroughly removes surface contaminants, coats of paint, sealants, and thin coatings.
  • Page 9 Up / Down Arrows While powered on but without the motor running, the red up and down arrow buttons can be used to set the motor speed faster or slower than the base RPM of the motor. Rotation While powered on but without the motor running, the “Rotation” button is used to change the rotation of the motor.

  • Page 10: Transportation

    Tooling Change In order to change the tooling, first ensure that the grinder is switched off and disconnected from the electrical source. Place all pocket weights provided in the weight holders on either side of the VSD. Then, push machine down by the handle in a controlled manner until the grinder is resting on the top casters.

  • Page 11: Starting The Machine

    ***When transporting GP machines by vehicle or trailer, it is mandatory to move all pocket weights to the head of the grinder, or off the machine. Failure to do so will result in damage to the handle frame that is not covered under warranty. Transportation by Vehicle When transporting the machine with a vehicle, proceed in such a manner that damage due to the effects of use of force or incorrect loading and unloading is avoided.
  • Page 12 1. Place the grinder in the area where work is to begin. 2. Place weights on grinding head beside motor. 3. Check the main power cable and the dust hose for damage. Replace or repair all damaged parts before starting the machine. 4.

  • Page 13: Operation Of The Machine

    6.0 Operation of the Machine Daily Operation Failure Safety Switch Off Restart Daily Operation Carry out grinding operation in parallel tracks so that the dust hose and electric cable do not become twisted. Make sure that no vehicles, such as forklift trucks, or other equipment run over the electric cable or dust hose.

  • Page 14: Maintenance Schedule

    7.0 Maintenance Schedule Maintenance and Inspection Maintenance and Inspection Operating Hours / Time Period Inspection Points / Maintenance Instructions Daily — Prior to Operation • Check all electrical cables for cuts or damage. • Check the hose connections for tightness. •...

  • Page 15: Reference Guide & Procedures

    Failure Possible Reasons for Failure Corrective Actions Unusual Noise. Uneven or loose surface being Verify suitability of substrate being ground. ground. Loose or damaged tooling. Inspect tooling to make sure that all connecting hardware is tight and tool is firmly seated to holder. Shroud is dragging on the floor.
  • Page 16 Prep Tool is 30,000 SF (2,787 M Execution 1. Attach the #0 Prep Tools to the GP30 and place it in operating position. Attach appropriate power* and vacuum dust collection hose to the GP machine. 2. With weights in neutral position** or off machine, start the machine and adjust speed to 45Hz.
  • Page 17 2) #00 PCD Prep Tool (leaves a rough profile) Description The #00 Prep Tool is a combination PCD/metal bond preparation tool that has the EG attachment system as a standard for use on any GP machine. The #00 Prep Tool is directional.
  • Page 18 The #00 Prep Tool is designed to attach to and work perfectly with any GP machine. Quantity of #00 Prep Tool will vary by model: • GP30: 6 Right-Hand (401924), 6 Left-Hand (401923) Polished Concrete - EGT Polishing System (Dry Steps) The EGT Diamond System is a coordinated metal and resin bonded diamond system to produce a polished concrete floor using any of the GP machines.
  • Page 19 Qualifications As a general rule for all operations using the GP30: • The machine manual MUST be read and understood by any operator for the safe and productive use of the machine.
  • Page 20 The CLC Diamond System is a coordinated metal and resin bonded diamond system to perform polished concrete using the GP30. The CLC Diamond System is only to be used dry for step #1, wet for steps #2, #3 & #4 and dry for steps #5, #6 &...
  • Page 21 CLC #5, #6, & #7 #5 (401919), #6 (401920) & #7 (401921) are 3” resin bonded tools that each have the pictured face design and can be clearly identified by the number on back as “#5”, “#6” & “#7.” These tools feature black Velcro backing. The tool is run dry. Approximate life of #5 &...
  • Page 22 The CLC Diamond System is designed to attach to and work perfectly with any GP machine. Quantity of CLC tools will vary by model: • GP30: 12 pieces Attachment of CLC tools #3 through #7 require Velcro pad adapters 401926 & 401925.

  • Page 23: Warranty

    Warranty National Flooring Equipment Inc. (referred to as “the Company”) warrants that each new unit manufactured by The Company, to be free from defects in material and workmanship in normal use and service for a period of twelve (12) months from date of shipment from the Company. For administrative ease, will honor warranty for a period of fifteen (15) months from date of shipment from the company.
  • Page 24 NATIONAL FLOORING EQUIPMENT 9250 Xylon Avenue N • Minneapolis, MN 55445 • U.S.A. Toll-free 800-245-0267 • Phone 763-315-5300 • Fax 800-648-7124 • Fax 763-535-8255 Web Site: www.nationalequipment.com • E-Mail: info@nationalequipment.com...

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Gp20

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