Section 3Maintenance
3-14
Water Treatment/Filtration
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 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.
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.
CAUTION
Hand-tighten only. Do not overtighten. Do not use a
spanner wrench.
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.
SEAL
CAP
CARTRIDGE
O-RING
INLET
SIDE
SHUT OFF
ALVE
PRESSURE
RELEASE
BUTTON
OUTLET
SIDE
SEAL
HOUSING
PRE-FILTER
PRIMARY
FILTER
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