122
124
222B
145
443D
445
206
178
443A
101
Figure 68: Rotor assembly
2.
Assemble the impeller locknut.
NOTICE:
Make sure the threads are clean. Deburr if necessary. Apply an anti-seize compound to the
threads.
3.
Install the impeller wear rings (142, 144).
See Replace the wear rings in the Preassembly inspections section.
4.
Install the casing and head wear rings (164, 164A) and the spacer bushing (206).
See Replace the wear rings in the Preassembly inspections section.
5.
Install the throat and throttle bushings (125, 125B, 129).
See Replace the throat bushings in the Preassembly inspections section.
NOTICE:
The impeller and wear-ring clearance setting procedures must be followed. Improperly set-
ting the clearance or not following any of the proper procedures can result in sparks, unexpect-
ed heat generation, and equipment damage.
6.
Measure the TIR on the impeller wear rings, impeller locknuts, and bearing fits.
The shaft is the datum point. Measure the runout of the wear rings, sleeve, and impeller nuts to the
shaft with a dial indicator.
API limits are listed in the Shaft and rotor runout requirements table.
6.6 Reassembly
92
3640 i-FRAME API Type BB2 2-Stage / ISO 13709 2nd Ed. API 11th Ed. Installation, Operation, and Maintenance Man-
ual
Содержание Goulds Pumps i-FRAME 3640
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