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8.
Re-secure the bearing frame adjustment plates (234F) by tightening the hold down bolts (352G)
and nuts (427D).
6.4.6.11 Suction side assembly
Wet end components on the suction side of the pump need to be assembled to the suction half casing
(100A) before they can be attached to the rest of the assembled wet end already mounted on the bear-
ing frame and pedestal.
Pump model Follow this step
XHD
Install both the suction side liner and adjustable seal ring into the suction half casing before assem-
bling the casing halves. Begin with the Install the adjustable seal ring and suction side liner into the
suction half casing step.
XHD Value
Option
Attach the suction liner to the suction half casing before assembling the casing halves. Use the In-
stall the suction side liner into the suction half casing step.
6.4.6.12 Install suction side liner into suction half casing - XHD Value
Option - Metal-Lined
1.
Position the suction side liner (562) inside the suction half casing (100A) so that the tapped holes in
the liner are aligned with the thru-holes in the casing.
2.
Insert the suction side liner retention studs (356E) through the suction half casing (100A) thru-holes
into the threaded holes of the suction side liner (562) and secure with the retention stud nuts
(357B).
3.
Lubricate and install the volute liner-to-suction side liner gasket (351N).
Figure 120: Suction side liner into suction half casing - metal lined
After completion, skip the next step listed for the XHD and move onto the Install the suction half casing
step.
6.4.6.13 Install adjustable seal ring and suction side liner into suction half
casing - XHD
1.
Coat the seal ring ID o-rings (512A) and OD o-rings (512B) with lubricant and install into the adjust-
able seal ring (822).
2.
Install the seal ring indicator roll pin (757A) into the adjustable seal ring (822).
3.
Align the three evenly spaced tapped holes in the adjustable seal ring (822) with the three thru-
holes of the suction side liner (562).
4.
Slide the adjustable seal ring into the suction side liner (562) slowly, keeping the holes aligned while
being care not to damage or shear the seal ring OD o-rings (512B).
6.4 Reassembly
XHD Installation, Operation, and Maintenance Manual
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Summary of Contents for XHD
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