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ORIGINAL INSTRUCTIONS
#004-995
GraverMax
OPERATION AND MAINTENANCE MANUAL
READ THIS MANUAL ENTIRELY
BEFORE CONNECTING TO POWER.
Damage not covered by the warranty may result from not
following the instructions and maintenance in this manual.
NOTICE
This engraving system requires clean, dry, oil-free air. An oil-free compressor is
(coalescing type) in the air supply line to this engraving system MUST BE INSTALLED AND
IN USE.
maintenance, please contact GRS or an authorized GRS dealer.
To send a request for assistance via electronic formats, e-mail support@glendo.com or visit:
Important notes are
OIL OR WATER CONTAMINATION
IS NOT COVERED BY WARRANTY.
http://www.grstools.com/customerservice/
highlighted in yellow
G8
or
marked in red.

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Summary of Contents for GRS GraverMax G8

  • Page 1 (coalescing type) in the air supply line to this engraving system MUST BE INSTALLED AND IN USE. OIL OR WATER CONTAMINATION IS NOT COVERED BY WARRANTY. maintenance, please contact GRS or an authorized GRS dealer. To send a request for assistance via electronic formats, e-mail support@glendo.com or visit: http://www.grstools.com/customerservice/ highlighted in yellow Important notes are marked in red.
  • Page 2: Table Of Contents

    Important Notices ........13 GRS Progressive Foot Throttle Owners, Air Contaminants & Water Accumulation Service &...
  • Page 3: Important Notice For Operators

    Included 24-volt power converter connected to a properly grounded electrical power outlet Clean, dry, oil-free air provided by an air compressor A compatible GRS pneumatic handpiece A graver or similar tool A clean, sturdy work surface with adequate lighting Workholding device or material...
  • Page 4: Required Equipment & Important Notes

    Using it with an ungrounded system could expose the equipment to electrical damage. Do not use older generation power converters. If a replacement is needed, contact GRS or an authorized GRS dealer to order #022-987 DO NOT OPERATE THE MACHINE WITHOUT A COMPRESSED AIR SUPPLY.
  • Page 5 For best results, using a workholding device or material is highly recommended. Properly secure the workpiece to ensure user safety and to guard the piece from damage while working. GRS manufactures several sizes and types of workholding devices, such as the MagnaBlock, Positioning Vise, MicroBlock vise, Thermo-Loc material, and the BenchMate™.
  • Page 6: Introduction, Unpacking The Unit

    Front View Back View...
  • Page 7 The GraverMax™ G8 is an engraving system engineered and manufactured under the GRS Tools line of products by Glendo Corporation in the United States of America. This system is designed for assistance in creating unique works in metal, stone, wood, ivory, and many other materials.
  • Page 8 NOTE: If air supply 1. Remove top screw from hole. hose is larger than 2. Place screw through top hole either replace the on air filter bracket. Tighten push-to-connect screw. Lower screw keeps filter from swinging freely; do included barbed not tighten or remove.
  • Page 9: Setup & Connections

    To disconnect of system (FIG. 1.G). on the orange ring while gently pulling out the hose. DO NOT EXCEED 35 psi (2.4 bar) when using the GRS Ultra 850 CONNECT FOOT THROTTLE Rotary Handpiece. convenient position. Extend throttle CONNECT ELECTRICAL POWER hose to back of system (FIG.
  • Page 10: Operation

    OPERATION STROKES PER MINUTE (SPM) Power on the air compressor Wait for the Stroke speed is a matter of personal compressor to cycle off. preference and experience. The SPM dial (FIG. 4.C) settings are approximate and Power on the GraverMax™ G8. Turn the bias control knob clockwise until closed.
  • Page 12 OPERATION (continued) HANDPIECE ADJUSTMENT FIG. 6 TROUBLESHOOTING the air pressure or SPM is incorrect. Use the lowest air pressure setting to provide proper operation; do not set the air pressure higher than needed. FOOT THROTTLE OPERATION Handpiece vibrates or knocks For foot throttle operation, set the without using the Foot Throttle: air pressure is too low;...
  • Page 13 OPERATION (continued) HANDPIECE OPERATION FIG. 7 Unlike traditional or push engraving force is required, the GRS pneumatic handpiece requires only a light grip and guidance. Relax, allowing the engraving system to move the tool forward and through the material with guidance. Most graver slips...
  • Page 14: Maintenance

    When sweeping or vacuuming, place foot throttle on bench or chair. GRS ULTRA 850 ROTARY HANDPIECE Refer to the GRS 850 operating instructions for routine maintenance of the rotary handpiece. DO NOT EXCEED 35 psi (2.4 bar) during operation.
  • Page 15: Important Notices

    IMPORTANT NOTICES GRS PROGRESSIVE FOOT THROTTLE OWNERS The GRS Progressive Foot Throttle will operate properly with this engraving system. AIR CONTAMINANTS AND WATER ACCUMULATION If large amounts of water and contaminants are in the air supply to the system, the bowl must be drained frequently to prevent water from entering the rotary valve, accumulation.
  • Page 16: Service & Repair

    Foot Throttle (Hose 004-050 not included) ..... . 004-519 OPERATOR SERVICEABLE PARTS Call GRS or an authorized GRS dealer for instructions and ordering information before attempting to service or replace these parts.
  • Page 26: Notes

    Notes:...
  • Page 27 Notes:...
  • Page 28: Warranty

    WARRANTY Each GraverMax™ G8, including provided foot throttle, carries a full 2-year warranty covering parts and labor. Contact GRS or an authorized GRS dealer before returning any equipment. These products are designed for reliable operation using most sources of compressed air. However, some air supplies contain excessive water, oil, dirt, engraving system.

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