Hypertherm Powermax125 Service Manua - Manual (Page 186)

186 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
9. Attach the green/yellow ground wire ring connector to the threaded post located between the center and left
grommets. (See Figure 56.) Tighten the supplied nut onto the threaded post to 17.3 kg-cm (15 inch-pounds).
10. Push the ground wire connector through the center grommet.
Figure 56
11. From the power board side of the power supply, secure the RS-485 board to the plastic mounting posts located on
the center panel directly behind the DSP board. Tighten the 2 supplied screws to 11.5 kg-cm (10 inch-pounds). See
Figure 58 on page 187.
12. Attach the ground wire connector to the bottom left connector on the RS-485 board.
Figure 57
Left grommet
Ground wire
Center grommet
RS-485 board
Ground wire
connector