Labconco SteamScrubbe & FlaskScrubbe Glassware Washers 44204 Series User Manual
Page 50
Labconco Glassware Washer Service/Technical Manual
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7. Use diagnostics to check fill times and function of the new valve.
8. Re-install the panels.
Replacing the DI/Pure Water Valve
The Hot Tap Valve is regulated by the PC Board and allows the house water
pressure to fill the tank when set to fill via DI. The DI water valve, when
coupled with a working DI/Pure Water Pump, should allow the tank to fill to
the appropriate level within five (5) minutes.
Removing the DI/Pure Water Valve
1. Pull the unit out of its installation space.
2. Locate the DI/Pure Water Valve.
3. Close the customer supplied Supply Water valve.
4. Remove either the back cosmetic panel or the back servicer access panel
and right cosmetic panel/service access panel.
5. Remove the Inlet water supply tube from the valve.
6. Loosen the clamp on the hose that goes from the Valve to the DI/Pure
Water Pump. Remove the hose.
7. Remove the electrical connector from the pins on the valve (go through
the back panel.
8. Remove the screws/nuts holding the valve to the flange of the base
weldment.
a. The two screws holding the valve to the base weldment are
countered by nuts on the inner side of the valve. These will
need to be held secure while removing the screws.
9. The valve should now be freed.
Installing the DI/Pure Water Valve
1. Remove the DI/Pure Water Valve as described above.
2. Line up the valve with the drilled holes for the screws.
3. Mount the screws with the nuts.
4. Reconnect the connector to the valves pins.
5. Place the hose on the Valve connector and tighten the clamp.
6. Reconnect the user’s water supply tube and turn the water. Check for
leaks.
Figure 17
Above Left: Inlet Solenoid Valves (HOT Tap and PURE). The Yellow Arrows point to the mounting screws of the PURE water valve
while the Green Arrows point to the mounting screws of the HOT tap water Valve. The screws are mounted with lock nuts from behind.
Above Right: Inlet Solenoid Valves with Hoses and Clamps. The Yellow Circle indicates the clamp and fitting of the PURE water line
that leads to the DI/Pure Water Pump. The Green Circle indicates the clamp and fitting of the HOT tap water line that goes to the tank.