NOTICE:
The mechanical seal must have an appropriate seal-flush system. Failure to do so will
result in excess heat generation and seal failure.
6.6.3.1 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
attempt 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 54: 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:
a) One packing ring
b) One lantern ring (two-piece)
c)
Three packing rings
NOTICE:
Make sure that the lantern ring is located at the flushing connection to ensure that flush is
obtained. Failure to do so may result in decreased performance.
4.
Install the gland halves and evenly hand-tighten the nuts .
6.6.3.2 Seal the shaft with a cartridge mechanical seal
WARNING:
The mechanical seal used in an Ex-classified environment must be properly certified.
6.6 Reassembly
82
Model IC, ICI, ICH, ICIH Installation, Operation, and Maintenance Manual
Содержание Goulds Pumps IC
Страница 1: ...Installation Operation and Maintenance Manual Model IC ICI ICH ICIH ...
Страница 2: ......