Pump Size Group
Radial bearing
Thrust bearing
Maximum Allowable Total Indicated Run-
out
mm | inch
43N
6318
7318/BECBM
0.0889 | 0.0035
53Q/55Q
6320
7320/BECBM
0.0889 | 0.0035
59Q
6224
7320/BECBM
0.0889 | 0.0035
Size
Seal Chamber Bore
mm | inch
Maximum Allowable Total Indicated Runout
mm | inch
10D
100.0 | 3.937
0.050 | 0.0020
20G
130.0 | 5.118
0.065 | 0.0025
21G
160.0 | 6.299
0.080 | 0.0031
30H
160.0 | 6.299
0.080 | 0.0031
31H
170.0 | 6.693
0.085 | 0.0033
40N
170.0 | 6.693
0.085 | 0.0033
50Q
180.0 | 7.087
0.090 | 0.0035
52Q
180.0 | 7.087
0.090 | 0.0035
54Q
200.0 | 7.874
0.010 | 0.004
58Q
190.0 | 7.481
0.095 | 0.0037
5.
Remove the dowel pins and unbolt the bearing housings. Discard the old bearings.
6.6.3 Assemble the thrust end (ball bearing pumps)
425
356A
122
383
356A
184
355
333A
371C
160
360A
443V
112A
443B
382
136
Figure 73: Thrust bearing assembly
1.
Install the cartridge mechanical seal (383) on the shaft (122) and align the mechanical seal pilot
with the seal chamber bore of the casing. Install the mechanical seal studs (353) and hex nuts
(355).
6.6 Reassembly
96
3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance
Manual
Содержание GOULDS PUMPS i-FRAME 3620
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