3. Install four to five packing rings (number of rings varies with pump size) and one
lantern ring within the stuffing box. The lantern ring is responsible for distributing
external flushing to the packing seal. Ensure the lantern ring sits where the external
flushing inlet is located within the stuffing box interior.
Note: Do not pull the ends of the packing rings away from one another when placing
rings around the shaft. Instead, gently twist the ends of each packing ring away from
one another as they are placed on the shaft.
Note: Ensure packing rings are installed at a 90 degree rotational offset from one
another. This technique will mitigate leaks between rings.
4. Assemble the two packing gland halves together and lightly fasten them to the stuffing
box. Do not tighten the glands until the rotating assembly is placed within the lower
casing.
5. Slide the stuffing box assembly onto the shaft.
6 Maintenance
74 e-XC INSTRUCTION MANUAL
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