Hypertherm Command THC Instruction Manual page 129

HT4400 SETUP
Install the plasma interface PC board into the HT4400 power supply
Turn off all electrical power before removing the power supply cover. Press the power
supply OFF (0) pushbutton switch and set the line disconnect switch to OFF. In the
U.S., use a "lock-out and tag-out" procedure until the service or maintenance is
complete. In other countries, follow appropriate local or national safety procedures.
See Figure 3h-2.
Remove access covers from the power supply, as required.
Install the 4 standoffs on the plasma interface PC board.
Install the plasma interface PC board into the power supply as show in figure 3h-2. Use the 4 screws
that were removed from the plasma interface assembly.
3h-4
5
DANGER
ELECTRIC SHOCK CAN KILL
CommandTHC for X-Y Table Instruction Manual