Coleman Electrical Services, LLC.

Gillette Wyoming

2809 Dogwood Avenue
Gillette , WY 82718

ph: 307-686-5775
fax: 307-686-8609

mark.coleman@colemanelectricalservice.com

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  • ServicesClick to open the Services menu
    • Control Group Refurbish
    • Cab Refurbish
    • Grid Box Refurbish
    • Clean Room/ Card Repair
  • Drive System PartsClick to open the Drive System Parts menu
    • Large Parts Storage Building
    • Haul truck and Drive System Parts
  • Training Click to open the Training  menu
    • 2022 Training
  • Contact Us

Grid Box Refurbish

Grid Box Repair Steps

~Remove all components and cabling.

~Inspect grid box for cracks and damage.

~Repair any cracks/damage, add GE recommended updates (if needed).

~Sandblast.

~Paint the grid box to customer specifications.

~Install new insulators and cabling.

~Refurbish the grid blower motors (using new bearings, brush holders, brushes, newly cleaned and baked armature, ground brush and mounts).

~Install refurbished diffusers, spacers and jam plates.

~Install grid resistors (new or used / customer specified).

~Install bus bars (with new cadmium plated fasteners and pusher bolts).

~Install refurbished grid blower motors (using new seals and mounts).

~Verify all connections and blower motor operation.

  • Initial Condition
  • Initial condition with the grids and blowers removed.
  • Grid box assembly process.
  • Grid box assembly process.
  • Grid box assembly process.
  • Completed refurbished grid box.

In the above photos, you will see a timeline of a complete grid box refurbishment project. Starting from the time we unload the customer supplied grid box off of the shipping truck, continuing into dis-assembly of the grid box, a thorough inspection and condition report of all problem areas, refurbishment of the grid box components, re-assembly of the grid box components and finally a completely refurbished grid box that has been tested and verified by one of our experienced technicians.

Contact us today!
We welcome your questions and queries. Please see our Contact Us page for complete contact information.

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2809 Dogwood Avenue
Gillette , WY 82718

ph: 307-686-5775
fax: 307-686-8609

mark.coleman@colemanelectricalservice.com