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1 Equipment Check
1.1 Follow plant safety regulations prior to equipment disassembly:
• ConsulttheplantMaterialSafetySheet(MSDS)les
for hazardous material regulation.
• Wear designated personal safety equipment.
• Lock out the mixer or agitator motor and valves to and
from the vessel and seal.
• Relieve any pressure in the vessel.
• Useplantvessel entry procedure if it is necessary
to enter the vessel.
1.2 Secure the mixer or agitator shaft in accordance
with the mixer or agitator manufacturer's instructions.
1.3 Remove the coupling and/or drive to access the seal area.
Follow the manufacturer's instructions.
1.4 Remove the existing seal assembly.
1.5 Remove all burrs and sharp edges from the shaft and vessel
angeareaoverwhichanO-ringmustslide.Theshaftandvessel
angemustbefreeofburrs,sharpedges,cuts,dents,andcorro-
sionthatmayprovidealeakagepathpasttheO-ringsasillustrated,
forexample,byO-rings18and19asmaybeseeninFigure1.
ST O-ring Gaskets Figure 1
The images of parts shown in these instructions may differ visually from the actual
parts due to manufacturing processes that do not affect the part function or quality.
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