Maintenance and RepaiR
5-8 powermax
45
Operator Manual
5. Thread the connector end of the new work lead through the front panel and fit the strain relief into the hole in the
panel.
6. Slide the nut over the work lead’s connector. Gently tilt the front panel away from the power supply and screw the
nut onto the strain relief.
7. Attach the work lead to the power board at J21 using the screw that you removed earlier. The torque setting for
this connection is 23.0kgcm (20inch-pounds).
8. Realign the front panel.
9. Replace the Mylar barrier and slide the cover back onto the power supply. Position the handle over the holes in the
top of the cover, then secure the cover with the 2screws.
10. Reconnect the electrical power and the gas supply.
Replace the gas filter element
1. Turn OFF the power, disconnect the power cord, and disconnect the gas supply.
2. Use a #2Phillips screwdriver to remove the 2screws from the handle on the top of the power supply. Tip the end
panels back slightly so that you can get the edges of the handle out from underneath them. Lift the cover off the
power supply.
3. Remove the drain hose from the drain in the bottom of the power supply’s base.
4. Compress the hose fitting’s collar on the gas supply hose and pull the gas hose from the fitting.
5. Unscrew the nut that holds the filter in the bracket. Tip the bottom of the filter away from the power supply.
TP 19
W
-
+
-
+
TP 18
R
TP 17
B
192 VDC
192 VDC
Work lead
Work lead connection to power board (J21)
Front panel
Strain relief
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