Shaft inspection
NOTICE:
Do not use shaft centers for the runout check as they may have been damaged during the re-
moval of the bearings or impeller.
122
Figure 64: Shaft inspection
Shaft surface check
Check the shaft surface for damage. Replace the shaft if it is damaged beyond reasonable repair.
Rotor
Allowable runouts of the fully assembled rotor are listed in the Shaft and rotor runout requirements table.
Table 2: Shaft and rotor runout requirements
Characteristic
Requirement
Flexibility factor, L
4
/D
2
>1.9x10
9
mm | >3.0x10
6
in.
Allowable shaft runout, TIR
40 µm
(0.0015 in.)
Component fit to shaft
Clearance
Allowable rotor radial runout, TIR* 90 µm
(0.0035 in.)
*Total indicated runout of impeller hubs and sleeves
122
124
145
443A
101
Figure 65: Fully assembled rotor
6.5 Preassembly inspections
86
3640 i-FRAME API Type BB2 2-Stage / ISO 13709 2nd Ed. API 11th Ed. Installation, Operation, and Maintenance Man-
ual
Summary of Contents for Goulds Pumps i-FRAME 3640
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