ArmCoil’s Field Services department employs the necessary resources and equipment to ensure that our products are delivered, installed, commissioned and tested to the highest standards.

ArmCoil field services are ISO9001:2015 and ISO14001:2004 accredited.

Power & Distribution Transformer Maintenance

The department offers a comprehensive range of field services for clients in Southern Africa and beyond.

ArmCoil Field Services offer a broad spectrum of medium voltage and associated applications and installations such as:

  • Power Transformer maintenance, upgrades and repairs
  • Distribution Transformer maintenance, upgrades and repairs
  • Miniature Substation maintenance, upgrades and repairs
  • Substation and mobile substation maintenance, upgrades and repairs
  • Medium Voltage Electric Motor maintenance, upgrade and repairs.
  • Switchgear maintenance, upgrade or repairs of gas, vacuum and oil types.
Power & Distribution Transformer Maintenance

ArmCoil Field Services offer you the following detailed services such us:

On all types of medium voltage electric motors up to and including 10MW @ 11kV:

  • On-site fault finding while in situ.
  • On-Site Condition Analysis on all types of DC, MV and HV Electric Motors.
  • Repairs and replacement on all types of bearings and bearing applications.
  • Stator and rotor Patching or localized Rewinding repairs.
  • Stator and Rotor On-site rewinding.
  • Stator and rotor supply lead repairs or replacement.
  • Installation and Alignment assistance.
  • On-site trim balancing services.
  • Servicing and replacement of carbon brushes, brush gear and associated parts.
  • Servicing and repairs to sliprings, commutators i.e.: skimming, undercutting and bevelling.
  • Thermography scanning, “hot spot” or heat signature identification.
  • Vibration analysis
  • Temperature analysis
  • Electrical testing i.e..: Megger, Interturn, P.I, winding resistance
Power & Distribution Transformer Maintenance

On all types of Power, Distribution Transformers up to 100MVA @ 132kV:

  • On-site fault finding.
  • On-Site Condition Analysis on all types of transformers, including oil sampling.
  • Removal and rigging of transformers.
  • Installation and commissioning of transformers.
  • Standard and abnormal transport services.
  • Transformer oil replacement and safe disposal of old oil services.
  • Transformer oil purification services.
  • Total transformer regasketing.
  • On-site cleaning and spray-painting of transformers including paint thickness testing.
  • Transformer oil leak identification and repairs i.e. Radiators, tank and conservator.
  • On-site radiator flushing and refurbishment to remove blockages etc.
  • Transformer thermography auditing for heat signature identification.
  • Transformer auxiliary protection upgrades and modifications.
  • Transformer online gas monitoring upgrades and modifications.
  • Transformer LV and HV Bushing repairs and replacement (stock available)
  • OLTC maintenance and repairs including parts replacement.
  • On-Site transformer routine testing, SFRA also available.
  • Accredited oil laboratory utilized for all sampling results.
  • Wide variety of spares in stock.
Power & Distribution Transformer Maintenance

On all types of miniature substations up to 3150kVA @ 11kV:

  • On-site fault finding while in situ.
  • On-Site Condition Analysis on all types of DC, MV and HV Electric Motors.
  • Repairs and replacement on all types of bearings and bearing applications.
  • Stator and rotor Patching or localized Rewinding repairs.
  • Stator and Rotor On-site rewinding.
  • Stator and rotor supply lead repairs or replacement.
  • Installation and Alignment assistance.
  • On-site trim balancing services.
  • Servicing and replacement of carbon brushes, brush gear and associated parts.
  • Servicing and repairs to sliprings, commutators i.e.: skimming, undercutting and bevelling.
  • Thermography scanning, “hot spot” or heat signature identification.
  • Vibration analysis
  • Temperature analysis
  • Electrical testing i.e..: Megger, Interturn, P.I, winding resistance