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Water Cannon Repair

Date: January 2021

Project: Water Cannon Repair

Integrated Reliability Solutions have been involved with reliability for over 15 years and considered by many as an industry leader in this field.

Water Cannon before IRS

Ageing Water Cannon

Integrated Reliability Solutions were approached by one of the Hunter Valley coal mines to inspect and come up with a suitable repair for the leaking water cannons. On inspection of the water cannon, it was noted that a number of components had worn due to lack of lubrication which allowed the water to leak when not in use.

 

Failure points

  • “O” Rings
  • Upper Bearing (coupling).
  • Lower Bearing (Coupling).
  • Nozzle.
  • Isolation valve

Strip, Inspect, Quote & Repair

  • The water cannon is stripped & photos taken.
  • An inspection report is provided to the customer together with a quotation to repair.
  • Once approval is provided & a purchase order is received IRS will start the repair.
  • Coupling faces are repaired or replaced depending on the severity of wear/ corrosion.
  • New bearing & seal repair kits are procured & installed.
  • Grease is applied and water cannon assembled.
  • Grease points are filled.
  • A pressure test is completed to ensure that no leaks are detected prior to dispatch.
  • The water cannon is painted & packed ready for dispatch.
  • Transport is then arranged for water cannon to be returned to site.

 

Flange face before IRS

Flange Face with wear

Flange Face after IRS

Repaired Flange Face

 

During the repair of the water cannon, IRS modify the bearings to allow grease to reach the sealing “O” ring.  This helps prevent corrosion and “O” ring tear.

IRS also recommend fitting a single point lubricator to the swivel points to ensure sufficient grease is present at all times. We have found that this addition extends the life cannon.

Assembled tested and painted. Ready for despatch.

Assembled tested and painted. Ready for despatch

 

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Case Studies

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Integrated Reliability Solutions were approached by one of the Hunter Valley coal mines to inspect and come up with a suitable repair for the leaking water cannons. On inspection of the water cannon, it was noted that a number of components had worn due to lack of lubrication which allowed the water to leak when not in use.

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