Goulds Pumps XHD - IOM - Manual (Page 102)

351N 351N 562 562
100A 100A
357A 357A
356E 356E
Maintenance
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 bearing 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 assembling
the casing halves. Begin with the Install the adjust-
able 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 Install
the suction side liner into the suction half casing
step.
Install suction side liner into suction half casing - XHD Value Option
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).
After completion, skip the next step listed for the XHD and move onto the Install the suction half
casing step.
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
adjustable 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).
100 XHD Installation, Operation, and Maintenance Manual