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5.11.5 Seal the shaft with a packed stuffing box
WARNING:
•
Packed stuffing boxes are not allowed in an ATEX-classified environment.
•
Dynamic seals 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 40: Packing rings and lantern rings
The XHD stuffing box is supplied with water connections for both the weep type and full flush con-
figurations. The stuffing box cover is marked with an "F" and a "W" to show the proper locations for
full flush or weep style connections.
5.11 Shaft-sealing options
XHD Installation, Operation, and Maintenance Manual
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Summary of Contents for XHD
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