Sump; Sump Base Plate/Non-Return Flap Valve - GE Monogram ZBD6400 Series Technical Service Manual

6000 & 7000 Series DISHWASHERS

5.2.36 Sump

5.2.36.1 Refer to section 5.1 to gain access to sump.
5.2.36.2 To remove the Sump, disconnect hoses attached to
the Sump Spigots (4 Hoses).
5.2.36.3 Remove Phillips head screw which retains the Drain
Pump to the sump socket.
5.2.36.4 Remove the four mounting screws and lift the Sump
Retainer clear as shown below.
5.2.36.5 Remove Sump from beneath the stainless steel tub.
5.2.36.6 Remove the Sump Gasket from the flange of the
stainless steel tub as shown below.
5.2.36.7 Reassemble the dishwasher in reverse order.
5.2.36.8 Operate and test dishwasher before leaving.

5.2.37 Sump Base Plate/Non-return Flap Valve

The Sump Base Plate incorporates the Non-return Flap
Valve which can be removed and replaced as follows:
Note: This procedure can also be performed while the
sump is still fitted to the tub.
5.2.37.1 Remove the Lower Spray Arm and Venturi, Drain
Cup Filter, the perforated stainless steel Wash Filters, the
Super Fine By-Pass Filter and the Lower Spray Arm Support.
5.2.37.2 Remove the three screws (two start thread) which
retain the Sump Base Plate and lift clear.
Remove 3 screws to access Non-return Flap Valve.
5.2.37.3 Remove the Non-return Flap Valve which is retained
by a hinged shank and barb clip by grasping the Non-return
Flap Valve, pressing the tip of the hinged shank into the
rectangular recess and drawing the Non-return Flap Valve
from the Sump Base Plate as shown below.
Note: The square, flat face of the Non-return Flap Valve must
seat upon the annular valve face of the Sump Base Plate.
The Non-return Flap Valve.
5.2.37.4 Reassemble the dishwasher in reverse order.
5.2.37.5 Operate and test dishwasher before leaving.
Sump Base Plate
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