2100 Series
3. If the unit is equipped with eyebolts, place a
piece of adhesive tape over the hex bolt heads to
prevent them from falling out. This is not required,
but makes seal replacement much easier.
4. Flip the lid assembly over so that the guide
assembly is facing up.
5. Remove the hex nuts, washers, guide assembly,
stat-o-seals, seal support and seal. Take note of
the order in which the components are removed.
8
6. Discard seal. If replacement stat-o-seals were
ordered, discard old stat-o-seals.
7. Reassemble the lower lid components in the
reverse order of disassembly.
8. Before tightening hex nuts, ensure that the eyelet
on the lanyard(s) is pointing away from the
center of the lid. Failure to do this may result in
damage to the tank by preventing the unit from
opening fully in a pressure event. Tighten each nut
to 1 turn after snug.
9. Flip the lid assembly over so that the guide
assembly is facing down. Reinsert the lid into the
base and reattach the lanyard(s). Do not tighten
the hex nut and the nylock nut greater
than 12 ft•lbf.
