TEST IN WATER. Aqua Lung CORE

Aqua Lung CORE is a compact and lightweight first stage regulator, designed to provide reliable and consistent performance in various diving conditions. Its balanced diaphragm design ensures stable and effortless airflow, making it suitable for both recreational and technical divers. The CORE features an over-balanced piston to optimize breathing performance at depth and a dry chamber to keep the internal mechanism free from water and contaminants. Additionally, it has a heat exchanger to improve cold water performance and reduce the risk of icing.

TEST IN WATER

1. Check that all the MP and HP plugs are in place and that a correctly adjusted second stage is connected to the first stage. Slowly open the cylinder valve to put the regulator under pressure.

2. Immerse the first stage completely in water to check that there is no leak.

NOTE : Do not mistake any bubbles that are trapped in the regulator with a leak. If there is a leak there will be a constant stream of bubbles.

3. When you are sure that there is no leak, close the cylinder valve and purge the regulator. Remove the first stage from the cylinder and refit the dust cap.

4. If a leak has been detected then note its source and

refer to Table 1. Troubleshooting Guide.

Service Manual Core 1 st stage

Rev. 05/2015

Key Features

Compact and lightweight, the CORE is easy to pack and carry.
Over-balanced diaphragm design provides consistent airflow even at low tank pressures.
Sealed first stage keeps contaminants out, ensuring reliable performance.
Adjustable second stage allows you to fine-tune your breathing effort.
Venturi system helps to prevent free-flow, even in strong currents.
Large purge button makes it easy to clear the second stage of water.
Swiveling hose attachment allows for easy hose routing.
Optional DIN or yoke adapter makes the CORE compatible with any tank.
Lifetime warranty provides peace of mind.

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Frequently Answers and Questions

What should be done if the regulator has been used in a chlorinated or aggressive environment?

The service period should be reduced to six months.

When should Aqua Lung regulators receive complete service?

Aqua Lung regulators should receive complete service once a year. If the regulator is used in a chlorinated or aggressive environment, the service period should be reduced to six months.

What is the minimum service requirement for Aqua Lung regulators?

Aqua Lung regulators should undergo servicing at least once every two years and visual inspection at least once per year.

What should be done before starting to disassemble the regulator?

Read the manual through completely and keep it open for reference.

What precautions should be taken when holding the regulator body?

The regulator body should never be directly held in the jaws of a vice. Use the tool (116230) and vice to hold the body.

What should be done when reassembling the regulator?

Check that the torque used conforms with the values shown in Table 4. Some parts can be irreparably damaged if the acceptable torque is exceeded.

What type of spare parts should be used for Aqua Lung regulators?

Only spare parts from Aqua Lung service kits should be used.

TEST IN WATER. Aqua Lung CORE

TEST IN WATER

Key Features

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Frequently Answers and Questions

What should be done if the regulator has been used in a chlorinated or aggressive environment?

When should Aqua Lung regulators receive complete service?

What is the minimum service requirement for Aqua Lung regulators?

What should be done before starting to disassemble the regulator?

What precautions should be taken when holding the regulator body?

What should be done when reassembling the regulator?

What type of spare parts should be used for Aqua Lung regulators?

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