GE Spacemaker GSM1800J Series Technical Service Manual page 27

Note: The sump clamping nut turns
counterclockwise and may be difficult to remove.
It may be necessary to insert a screw driver or
other tool between the clamping nut tabs to
enable you to apply sufficient torque to break the
factory seal.
9. Remove the clamping nut.
10. Remove the sump gasket (not shown) and
sump.
11. Reverse the above procedure to install.
– 27 –