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5.
Support the impeller (101) using a strap attached to the hoist. An overhead hoist chain or sling
should be routed through a vane passage to support the impeller.
6.
With one person holding the impeller (101) in place, the other person rotates the shaft (122) coun-
terclockwise to unscrew the impeller. This step should take 4 to 5 complete shaft turns.
7.
Guide the impeller (101) completely free of the shaft threads and casing volute liner (600T).
122
600T
101
Figure 78: Impeller removal - Rubber Impeller and Strap Shown
6.2.15 Stuffing box removal
Pump Model
Next step to follow
XHD
•
The stuffing box is split and can be disassembled prior to casing volute liner removal. Con-
tinue with the Remove the split stuffing box step below.
XHD Value Op-
tion
•
The stuffing box is integral to the seal cover. Skip to the Remove the seal cover step.
6.2.16 Remove the split stuffing box XHD
NOTICE:
This section applies only to units equipped with a split stuffing box. If your unit is not equipped
with a split stuffing box, the seal cover /chamber will be removed at a later step.
1.
Remove the shoulder bolts (328) that hold the two halves together.
2.
Remove the hex head bolts (569L) that attach the split stuffing box (159) to the seal cover (184).
3.
Remove the split stuffing box halves (159).
4.
Remove the split stuffing box gaskets (367B).
5.
Remove the packing (106) and lantern ring (105). The lantern ring has a split cut that can be wid-
ened to accommodate removal without permanently deforming the part.
6.2 Disassembly
98
XHD Installation, Operation, and Maintenance Manual
Summary of Contents for XHD
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