Hypertherm Powermax125 Service Manua - Manual (Page 190)

190 Powermax125 Service Manual 808070
9 – Power Supply Component Replacement
Replacing the power cord and strain relief
Remove the power cord and strain relief
1. Complete the following procedures:
a. See Disconnect the power and gas supply on page 166.
b. See Remove the power supply cover on page 172.
c. See Remove the component barrier on page 173.
d. See Remove the end panel bracket on page 174.
e. See Disconnect the gas tube on page 188.
2. Remove the 3 mounting screws from the bottom of the rear panel.
3. From the power board side of the power supply, remove the screw securing the ground wire to the heatsink.
 The ground wire screw is located behind the power board. The power board is removed
in
Figure 61 to show the ground wire connection on the heatsink.
Kit number Description
428121 Kit: Powermax125 power cord with strain relief 480 V and 600 V CSA
228886 Kit: Powermax105 power cord with strain relief 230 – 400 V CE; Powermax125 power
cord with strain relief 400 V CE
228914 Kit: Powermax105 power cord strain relief 400 V CE/380 V CCC; Powermax125 power
cord strain relief 480 V and 600 V CSA/380 V CCC
228913 Kit: Powermax105 power cord strain relief 230 – 400 V CE; Powermax125 power cord
strain relief 400 V CE