Preventive Maintenance Program
XPR Instruction Manual 809480 23
f. Leave the coolant return hose (red band) disconnected from the rear of the plasma power
supply.
g. Put a container under the pump plug.
h. Remove the plug and coolant pump screen and
set them aside.
i. Remove the coolant supply hose (green band)
from the rear of the plasma power supply.
j. Attach compressed air (no more than
3.45 bar/50 psi) to the coolant supply hose
fitting on the rear of the plasma power supply
where the coolant supply hose (green band) was
previously connected.
k. For no more than 30 seconds, use the
compressed air to blow all of the coolant into the
container.
l. Leave the coolant supply hose (green band)
disconnected.
System components need the coolant to
lubricate rotating surfaces. If air flows through
the cutting system for longer than 30 seconds,
it can eliminate the coolant necessary for
lubrication.
6. Clean and, if needed, replace the coolant pump
screen:
a. Clean the coolant pump screen. Rinse it with
water if you find debris.
b. Examine the coolant pump screen.
c. If you find damage on the coolant pump screen, replace it (127559).
d. Install the coolant pump screen.
e. Wipe the O-ring on the plug. Make sure that the O-ring is free of debris, cracks, and nicks.
f. Install the plug on the coolant pump housing.
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