Maintenance Section 3
3-14 Part No. 80-1100-3
Water Treatment/Filtration
GENERAL
Local water conditions may require the installation of a
water treatment system to inhibit scale formation, filter
out sediment, and remove chlorine taste and odor.
Consult your local distributor for information on
Manitowoc’s full line of NSF
-certified Tri-Liminator
filtration systems.
FILTER REPLACEMENT PROCEDURE
Tri-Liminator
systems include a pre-filter and a primary
filter. For maximum filtration efficiency, replace the
primary filter cartridge every six months. If the filter
gauge reading drops below 20 psig prior to six months
usage, replace the pre-filter first.
1. Turn off the water supply at the inlet shutoff valve.
Figure 3-17. Typical Tri-Liminator
Water Filtration System
2. Depress the pressure release button to relieve the
pressure.
3. Unscrew the housing from the cap.
4. Remove the used filter cartridge from the housing
and discard it.
5. Remove the O-ring from the housing groove. Wipe
the housing groove and the O-ring clean.
6. Lubricate the O-ring with petroleum jelly.
7. Press the O-ring into the housing groove.
8. Insert a new filter cartridge into the housing. Make
sure it slips down over the housing standpipe.
9. Screw the housing on to the cap and carefully hand-
tighten it.
10. Repeat steps 3-9 for each filter housing.
11. Turn on the water supply to allow the housing and
filter to slowly fill with water.
12. Depress the pressure release button to release
trapped air from the housing.
13. Check for leaks.
CAP
CARTRIDGE
SEAL
PRESSURE
RELEASE BUTTON
PRE-FILTER
PRIMARY
FILTER
OUTLET SIDE
O-RING
SHUT OFF
VALVE
SEAL
HOUSING
INLET SIDE
!
Caution
Hand-tighten only. Do not overtighten. Do not use a
spanner wrench.
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