Powermax125
Service Manual 808070
209
9 – Power Supply Component Replacement
Replacing the input diode bridge
1.
Complete the following procedures:
a.
Disconnect the power and gas supply
b.
c.
d.
e.
2.
Remove the 2 mounting screws from the input diode bridge brackets, and remove the input diode bridge from the
heatsink. See
3.
Clean the area where the input diode bridge was mounted using isopropyl alcohol to remove the old thermal grease
from the heatsink.
4.
Apply a 0.0762 mm (0.003 inch) layer of thermal grease, about the thickness of a sheet of paper, evenly to the input
diode bridge mounting surface.
5.
Mount the input diode bridge to the heatsink by hand-tightening the 2 supplied mounting screws.
6.
Step-torque the 2 mounting screws to the proper torque value as shown in
7.
Complete the following procedures:
a.
b.
c.
d.
Install the power supply cover
e.
Reconnect the power and gas supply.
Kit number
Description