Plasma Power Supply
22 810410 Field Service Bulletin XPR170
Install a heat-exchanger fan
1. Use the 4 screws to install the new fan so that the wires
point to the lower left (as shown) and the flow of air is
towards the heat-exchanger assembly.
2. Push the heat-exchanger panel back into position.
3. Connect the wires for the fan to the fan power
distribution PCB, J3.
4. Use a 10 mm, hexagonal-socket wrench to install the 7
nuts that attach the heat-exchanger panel to the center
panel and bottom panel.
5. Connect the coolant hose fittings to the heat-exchanger
assembly.
6. Pull back on the fittings to make sure the connection is
tight.
7. Remove the tape and protective material from the rear panel of the heat-exchanger assembly.
8. Add coolant to fill the tank.
9. Install all of the panels.
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