- When the service cylinder is empty, close the cylinder valve and the two-way valve (where used)
- With a spanner, disconnect the coupling nut from the cylinder, keeping the fibre washer in place
- If necessary replace the Fibre washer
- Disconnect the wall bracket chain and replace the empty cylinder with a full cylinder
- Secure the full cylinder to the wall bracket with the chain.
- The cylinder valve opening must face away from the operator.
- Open the cylinder valve for one second, to clear dust from the valve opening.
- With a spanner, connect the coupling nut to the cylinder valve, ensuring that the fibre washer is in place.
- Open the cylinder valve for a few seconds to set the fibre washer and to ensure that there are no leaks.
- Once the cylinder valve is opened it must be left open.
- DO NOT adjust the pressure regulating valve.