Critical project successfully executed for ISO 9001 Certified - Millenium's shipbuilding yard under the Ministry of Ports, Shipping, and Waterways (Defence Sector).

Synopsis

The maritime-related facilities in the port city, the first enormous greenfield shipbuilding yard located in the state of Kerala, faced significant oil degradation issues affecting the overall functioning of the India's first Indigenous Aircraft Carrier (IAC), which led to the abrasion of the machines. 49k liters of oil were required to be purified and stored in two different tanks; the leading service tank had 22k liters of oil, followed by 27k liters of oil in another.

Due to the contamination and degradation of the oil, the plant faced issues in wear and tearing of the machines that would lead them to machine breakdowns.

Minimac provided FS225 and FS150 Oil Filtration Systems, which helped infiltrate the gearbox lubeoil. Also, testing the oil transparency was equally crucial so that no particles left could harm the mechanism

Problems

Due to high NAS level, the oil had degraded, resulting in increased friction and wear. There was frictional power loss aggravating the surface roughness. The NAS value 12 indicated the contamination of the oil, stating the risk factor the plant was having. They were facing frequent breakdowns and massive losses. The oil had solid contamination.

Client’s Requirements

• To achieve NAS level < 5
• To filter the gearbox lube oil.
• To test the transparency of oil
• To perform flushing activities
• Smooth and timely execution of the tasks.
• No spillage.

Solutions

• Oil was present in separate tanks of stages 1 and 2, where 27k liters of oil were bifurcated again into reserved and storage tanks.


• Filtering the oil and balancing the NAS level simultaneously was an arduous task.While performing tasks, continuous obstructions occurred due to various naval activities, engineers faced language issues, and the negative pressure created on the machines was quite challenging. Minimac provided FS225 and FS150 LPM Oil Filtration Machines, Trained Manpower and other consumables under the MOMS (Minimac Operations and Maintenance Service) offering.


• The filtration process helped the oil to reach its standard value considering the contamination and transparency.


• Our team achieved ISO19994460 18,15,12 standards. Before filtration, the initial NAS value was 12; after filtration, NAS 3 in tank 1 and NAS 5 in tank 2 was achieved successfully.


• The team achieved this goal by dissembling the pieces of equipment, fabricating them, and re-assembling the equipment in the time and space given. No spillage occured during the service job.

Benefits

1. Extended oil life.
2. Smooth functioning of the machines.
3. Elimination of oil replacement costs.
4. Improved machine’s life.
5. Successful on time commissioning of the first IAC.

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