Plasma Power Supply
30 810410 Field Service Bulletin XPR170
9. Use 2 open-ended wrenches to remove the
coolant bypass valve .
10. Hold the solenoid valve, and remove the
fitting from the solenoid valve.
Install the coolant pump, solenoid valve, and motor assembly
1. Put thread sealant on the threads of the coolant bypass valve.
2. Use a 1 inch and 7/8 inch, open-ended wrench to install the coolant bypass valve onto the new
coolant pump. Tighten to 14.7 N∙m (130 in∙lbf).
3. Install the fitting for the solenoid valve onto the new pump. Tighten to 14.7 N∙m (130 in∙lbf).
4. Slide the new coolant pump and motor assembly into the plasma power supply.
Make sure that the bracket goes under the tabs in the sheet metal.
5. Align the holes in the pump-motor bracket with the holes in the sheet metal.
6. Install the 2 screws.
7. Connect the tube to the push-to-connect fitting on the bypass check valve. Refer to How to use
push-to-connect fittings on page 12.
8. Connect the tube to the push-to-connect fitting on the solenoid valve.
9. Use a 1-1/2 inch, open-ended wrench to install the 1 inch hose to the pump fitting. Tighten the
fitting to 47 N∙m (416 in∙lbf).
10. Connect the solenoid valve connector (J7) to the wire harness.
CAUTION
This equipment is heavy.
Use a 2-person lift.
NOTICE
PTFE TAPE CAN CAUSE CLOGGED VALVES, REGULATORS, AND TORCHES
Never use PTFE tape on any joint preparation. Use only a liquid or paste thread sealant on male thread
ends.