Thermo Scientific Smart2Pure 3 Operating Instructions Manual page 82

13
Maintenance
Step Action
3 a. Pull the ultra-filter out of the mounting bracket.
b. Mark the position of the bottom fitting before you
remove them. Use the open-end wrench size
17mm/ 0.67 inch to unscrew the bottom fitting on
the ultra-filter.
4
When you install a new ultra-filter ensure that the arrow on
the filter corresponds to the direction of flow through the
filter (it must point upward).
a. Take the new ultra-filter and wrap the bottom
threads in Teflon strip (roughly 3 times around).
b. Take the fitting that you unscrewed in step
screw the fitting into the same position that it was
on the old ultrafilter. Use the 17mm/0.67 inch
open-end wrench for this.
c. Screw on the measuring cell and insert the tubes
into the top and bottom connection for the
ultra-filter and screw the fittings securely into
place.
d. Insert the ultra-filter back into the mounting
bracket and screw back the UV assembly into place
(see Step
a. Replace the cover on the system, open the
feedwater tap and switch the system on (connect
main power supply). Dispense the first 5 L of
water.
Smart2Pure
72
2c).
Figure
a.)
Mounting
bracket
Ultra-filter
b.)
Open-end
wrench
a.)
Teflon tape
b.)
3b and
threaded
connection
Fitting
c.)
Mounting
bracket
Ultra-filter
UV lamp
UV lamp
Ultra-filter
Fitting
Ultrafilter
Ultrafilter
Thermo Scientific