TA I
NSTRUMENTS
TGA 2950 5–7
2. Unscrew and remove the water reservoir
cap.
3. Drain the coolant and flush out the system
as follows:
a. Lift the heat exchanger and dump out
the contents of the water reservoir
bottle.
b. Fill the bottle to 2/3 full with distilled
water only and replace the cap.
c. Reconnect the heat exchanger cable and
water lines to the instrument cabinet.
d. Turn on the POWER switch.
e. Turn on the pump by activating Air
Cool and allow the water to circulate for
several minutes.
f. Turn off the pump by deactivating Air
Cool, and check the clarity of the water
in the reservoir bottle.
g. If the water clarity is still unacceptable,
disconnect the heat exchanger cable and
water lines from the instrument cabinet,
and repeat steps a through f.
h. Continue repeating this procedure until
you are satisfied with the clarity of the
water in the bottle after it has circulated.
4. Dispose of the water and fill the bottle
with TGA Conditioner (PN 952377.901)
and fresh distilled water as directed in
Chapter 2.
Routine Maintenance
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