Figure 122: Checking for stuffing-box-cover runout
6.6.10.2 Seal the shaft with a packed stuffing box
WARNING:
Packed stuffing boxes are not allowed in an ATEX-classified environment.
WARNING:
Failure to disconnect and lock out driver power may result in serious physical injury. Never at-
tempt to replace the packing until the driver is properly locked out.
Pumps are shipped without the packing, lantern ring, or split gland installed. These parts are included
with the box of fittings shipped with each pump and must be installed before startup.
1.
Carefully clean the stuffing-box bore.
2.
Twist the packing enough to get it around the shaft.
Packing rings
Lantern rings
1
3
4
2
3
4
1.
Packing rings
2.
Lantern rings
3.
Correct
4.
Incorrect
Figure 123: Packing rings and lantern rings
3.
Insert the packing and stagger the joints in each ring by 90°.
Install the stuffing-box parts in this order:
6.6 Reassembly
134
Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual