6.4.6.16 Install the impeller - Rubber-Lined
Two (2) people should work together to install the impeller for safety purposes.
1.
Loosen the adjustment plate bolts (352G) and nuts (427D) but DO NOT remove bolts or adjustment
plates (234F). Bolts should remain finger-tightened to keep rotating assembly constrained to the
pedestal.
352G
352G
234F
234F
427D
427D
131
131
Figure 125: Adjustment plate bolting installation
2.
Slide the power end forward towards the suction side of the pump to allow better access to the shaft
(122) impeller threads.
3.
Apply anti-seize compound to the shaft (122) impeller threads.
4.
Lift the impeller (101) using a strap or a chain/sling threaded through a vane passage attached to
the hoist.
5.
Guide the impeller (101) into position to engage with the shaft impeller threads.
6.
With one person holding the impeller steady, the other should turn the shaft (122) clockwise to
screw the shaft into the impeller. Begin this operation by hand and finish with an adjustable spanner
wrench.
122
600T
101
Figure 126: Impeller installation
7.
After the shaft (122) has been tightly screwed into the impeller (101), the bearing frame can be slid
backwards toward the drive end until the impeller sits completely recessed in the casing volute liner
(600T).
6.4 Reassembly
128
XHD Installation, Operation, and Maintenance Manual
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