Hypertherm XPR300 Replacement Part Procedures

Plasma Power Supply
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XPR300 Field Service Bulletin 809970 15
Right-side (liquid-cooling-side) parts
Replace the flow meter

See Coolant system on page 122 for location and part number.
1. Complete the following procedures:
a. Remove the power from the cutting system.
b. See Remove the right-side (liquid-cooling-side) panel on page 60.
c. To make removing the flow meter easier, you can remove the top panel. See Remove the top
panel on page 63.
d. Drain the coolant until the level is below the coolant tank fitting .

Keep all nuts and screws that you remove.
2. Disconnect the tube from the
push-to-connect fitting in the
flow meter. See How to use
push-to-connect fittings on
page 12.
3. Hold the coolant tank fitting
with a 9/16-inch, open-ended
wrench.
4. Turn the flow meter
counter-clockwise to remove the
flow meter and outside fitting
from the coolant tank fitting.
5. Use a 13/16-inch, open-ended wrench to remove the fitting from the flow meter.
6. Apply liquid thread sealant to the fitting threads.
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NOTICE
Never use PTFE tape on any joint preparation. Use only a liquid or paste thread sealant on male thread
ends.

Hypertherm XPR300 Specifications

General

Brand	Hypertherm
Model	XPR300
Category	Welding System
Language	English