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GBT GBTI-OS Operation Manual

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OPERATION MANUAL

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Summary of Contents for GBT GBTI-OS

  • Page 1 OPERATION MANUAL...
  • Page 2 ® 1 (855) 9GO-GBTI info@greenerblast.com greenerblast.com...
  • Page 3 Greener Blast system. In the event of any major machine damage or failure, it is important that the local Greener Blast distributor or GBT factory is contacted prior to any repairs. This will guarantee the fastest and most effective way to get the machine back up and running.

  • Page 4: Table Of Contents

    Surface Blow Down Function Important Things to Remember Recharging the Blast Pot Blast Media Options Air Flow Pressure Through Blast Nozzle- CFM Trouble Shooting Tip Water Pump Maintenance Decommissioning Your GBT Unit Using Rust Inhibitor Have questions? 1 (855) 9GO-GBTI info@greenerblast.com...

  • Page 5: Warranty

    All factory Greener Blast Technology, Inc. (GBT) ultra symmetrical slurry blasting systems come with a full one year warranty. GBT backs up 100% of all unit malfunctions and/or defects unrelated to operator negligence for the year covered. If found that issues arise as a result of operator error, becomes responsibility of the owner/operator at factories discretion.

  • Page 6: Machine Diagram

    Machine Diagram Air Purge Valve Control Panel Blow Down Valve Main Pot Shutoff/ Slurry Hose Certified Relief Valve Bung/Plunger Lifting Lugs (ASME Rated) (located on top of Blast Pot) 100 Gallon On-Board Water Tank Lifting Pockets Inspection Cover/ Hand Hole Have questions? 1 (855) 9GO-GBTI info@greenerblast.com...
  • Page 7 Control Panel Pot Fill Blast Pressure Switch Abrasive Metering Pot Pressure Air Supply Emergency Pot Pressure Shut-Off Regulator Surface Rinse Blast Pressure Regulator www.greenerblast.com...

  • Page 8: Filling/Pressurizing Blast Vessel

    Filling/Pressurizing Blast Vessel ▪ Blast Selector Switch Set to “Off” ▪ Inlet Air Pressure set to 125psi min. & 140psi Max. ▪ Main Pot Shutoff/ Slurry Hose Closed ▪ Vessel Blow Down Valve Open (hoses in bucket) ▪ Purge Valve Closed 1.

  • Page 9: Setting Pot Pressure

    While blasting, blast and pot pressures should be about equal. Offshore Model (serial number GBTI-OS) and units with serial number G20074 and above: Blast pressure can be adjusted in neutral state (Deadman control not activated).

  • Page 10: Max Blast

    Setting Max Blast (Serial Number GBTI-G20222 and Above) When operating with a compressor 450CFM and larger, gently turn pot and blast pressure regulators clockwise until factory preset is reached. Do not force beyond this point as preset pressures are critical. Over pressurizing could lead to failure of or damage to the machine. With machine in neutral state, gauges will read ≈...

  • Page 11: Rinsing Function

    Rinsing Function (WATER ONLY) 1. Main Pot Shutoff/ Slurry Hose valve is off 2. Blast selector switch set to off 3. Surface rinse selector set to rinse 4. Rinse away Surface Blow Down Function (AIR ONLY) 1. Main Pot Shutoff/ Slurry Hose valve is off 2.

  • Page 12: Recharging The Blast Pot

    Recharging the Blast Pot 1. Close main pot/slurry valve 2. Turn blast selector switch the off position 3. Open blow down valve and discharge water into buckets 4. Begin to add desired abrasive once water stops discharging from the blow down valve 5.

  • Page 13: Air Flow Pressure Through Blast Nozzle- Cfm

    Pressure Nozzle Size (Achievable blast pressure will vary depending on compressor) 1,100 Problem Corrective Action Air pocket in vessel. Bleed purge valve and try Grit delivery is not smooth: (slugging/surging) again Pot/differential pressure is too low. Repeat initial pot & blast pressure steps Pot/differential pressure is too high.

  • Page 14: Trouble Shooting Tip

    Keep water tank clean of all grits! Keep screen filter on pump inlet clean and restriction free, to ensure optimal water flow. Decommissioning Your GBT Unit Important! Always close main pot shutoff/slurry hose priot to turning off air compressor and opening the system air purge valve (located under the air supply inlet) to ensure all compressed air is release from the system before disconnecting your supply line.

  • Page 15: Using Rust Inhibitor

    6. Reconnect Slurry Hose/ main pot shutoff valve. 7. Your machine is now fully decommissioned and ready for long term storage. Using Rust Inhibitor (Steel Only) Use rust inhibitor of choice at ratio recommended by manufacturer. 1. Pre-charge blast vessel first with recommended ratio. 2.
  • Page 16 1 (855) 9GO-GBTI Get in touch with info@greenerblast.com Greener Blast today greenerblast.com...

This manual is also suitable for:

G20074

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