10. Make sure there is a cylinder plug and gasket in any empty
cylinder yokes.
11. Complete "Performing a high-pressure leak test".
Installing cylinders with DIN connections
1. Close the cylinder valve on the cylinder to be replaced.
2. Loosen the adapter and remove the cylinder.
3. Remove the cap from the cylinder valve on the new cylinder.
4. Install the cylinder.
5. Complete "Performing a high-pressure leak test".
Installing large cylinders
1. Close the cylinder valve on the cylinder to be replaced.
2. Loosen and remove the hose connection from the cylinder.
3. Loosen the cylinder strap.
4. Remove the used cylinder.
5. Install the new cylinder.
6. Tighten the cylinder strap.
7. Remove the cap from the cylinder valve on the new cylinder.
8. Attach the hose connection to the cylinder.
9. Complete "Performing a high-pressure leak test".
Performing a high-pressure leak test
1. Turn on the system.
2. Disconnect pipeline supplies.
3. Turn off the auxiliary O2 flowmeter and venturi suction.
4. Select the Circuit Leak test in the Checkout menu.
5. Open the cylinder.
6. Observe the cylinder pressure.
7. Close the cylinder.
If the cylinder pressure decreases more than 690 kPa (100 psi)
in one minute there is a significant leak.
8. To repair a leak, install a new cylinder gasket and tighten the
adapter.
9. Repeat the leak test. If the leak continues, do not use the
system.
8 Setup and connections
2076152-001 8-23
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