26
MAINTENANCE
The following operation requires sufficient professional knowledge on electric aspects and
comprehensive safety knowledge. Make sure the input cable of the machine is disconnected
from the electricity supply and wait for 5 minutes before removing the machine covers.
Please note: The following should only be carried out by an electrical technician.
Air pressure setting
The internal air pressure regulator is preset prior to leaving the factory and the users should not need to
set it.
If for any reason adjustment is required then it should only be carried out by a competent person only
and by following the instructions below:
1. Switch off and unplug the machine and leave for 5 minutes to ensure any stored energy has dissipated
2. Carefully remove the machine cover panel and handle
3. Connect the air supply to the machine
4. Ensure the plasma torch is fully fitted
5. Reconnect the machine to the mains supply and switch the machine back on still taking care not to
touch any electrical parts within the machine
6. Switch on the air purge switch located on the front panel to start the airflow through the machine
and plasma torch
7. Lift up the pressure control knob (shown on the illustration above) of the pressure regulator to unlock
it
8. Adjust the pressure by rotating the knob in the “+” clockwise direction to increase the air pressure or
turn the knob in the “-” anticlockwise direction to reduce the pressure
9. When the correct pressure is set on the air pressure gauge located on the control panel, you can then
push down the adjusting knob to re-lock it
10. Turn off the machine and unplug from the input mains supply
11. Replace the panel and handle and ensure all the screws are fully located and in place
Please Note:
Any water which has been collected by the air regulator will be drained by the auto drain of the regulator.
Air supplies should always be clean and dry.
