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Scope of Service Sealed Cell
Scope of Service Wet Cell
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UPS Battery Services - Scope Of Services, Inspection Through Disposal

Wet Cell Scope of Service

Annual Service, Major  

Visual inspection:

  • Cell electrolyte levels.
  • Connection terminals.
  • Inter-cell connectors.
  • Cables.
  • Hardware cell elements.
  • Cell covers.
  • Containers.
  • Post seals.
  • Gravity tubes.
  • Safety vents.
  • Flash arrestors.
  • Battery racks.

Measure, check, record, and adjust if necessary:

  • Total battery float voltage.
  • Total battery ripple voltage.
  • Positive to ground voltage.
  • Negative to ground voltage.
  • Total battery ripple current.
  • Float voltage on each cell.
  • Specific gravity and electrolyte temperature each cell.
  • Each cell to cell terminal, and cable connections using a micro-ohm meter to verify that the connection resistances are within 20% of the average contact resistance.

Clean and neutralize all cell surfaces, and add distilled water to cells to maintain the required electrolyte levels if needed.

Check and record room ambient temperature, verify proper operation of ventilation equipment, and room cleanliness.

Documentation of inspection with recommendations for any corrective action deemed necessary will be provided.

Semi-Annual Service, Minor

Visual ispection:

  • Cell electrolyte levels.
  • Connection terminals.
  • Inter-cell connectors.
  • Cables.
  • Hardware cell elements.
  • Cell covers.
  • Containers.
  • Post seals.
  • Gravity tubes.
  • Safety vents.
  • Flash arrestors.
  • Battery racks.

Measure, check, record, and adjust if necessary:

  • Total battery float voltage.
  • Total battery ripple voltage.
  • Positive to ground voltage.
  • Negative to ground voltage.
  • Total battery ripple current.
  • Float voltage on each cell.
  • Specific gravity and electrolyte temperature each cell.

Clean and neutralize all cell surfaces, and add distilled water to cells to maintain the required electrolyte levels if needed.

Check and record room ambient temperature, verify proper operation of ventilation equipment, and room cleanliness.

Documentation of inspection with recommendations for any corrective action deemed necessary will be provided.

Quarterly Service, Minor

Visual inspection:

  • Cell electrolyte levels.
  • Connection terminals.
  • Inter-cell connectors.
  • Cables.
  • Hardware cell elements.
  • Cell covers.
  • Containers.
  • Post seals.
  • Gravity tubes.
  • Safety vents.
  • Flash arrestors.
  • Battery racks.

Measure, check, record, and adjust if necessary:

  • Total battery float voltage.
  • Total battery ripple voltage.
  • Positive to ground voltage.
  • Negative to ground voltage.
  • Total battery ripple current.
  • Float voltage on each cell.
  • Specific gravity and electrolyte temperature each cell.

Clean and neutralize all cell surfaces, and add distilled water to cells to maintain the required electrolyte levels if needed.

Check and record room ambient temperature, verify proper operation of ventilation equipment, and room cleanliness.

Documentation of inspection with recommendations for any corrective action deemed necessary will be provided.

Monthly Service, Minor

Visual inspection:

  • Cell electrolyte levels.
  • Connection terminals.
  • Inter-cell connectors.
  • Cables.
  • Hardware cell elements.
  • Cell covers.
  • Containers.
  • Post seals.
  • Gravity tubes.
  • Safety vents.
  • Flash arrestors.
  • Battery racks.

Measure, check, record, and adjust if necessary:

  • Total battery float voltage.
  • Total battery ripple voltage.
  • Positive to ground voltage.
  • Negative to ground voltage.
  • Total battery ripple current.
  • Float voltage on 10% of the cells (pilot cells).
  • Specific gravity and electrolyte temperature on 10% of the cells (pilot cells).

Clean and neutralize all cell surfaces, and add distilled water to cells to maintain the required electrolyte levels if needed.

Check and record room ambient temperature, verify proper operation of ventilation equipment, and room cleanliness.

Documentation of inspection with recommendations for any corrective action deemed necessary will be provided.