Goulds Pumps 3640 - IOM - Manual (Page 72)

Maintenance
Frame group Nameplate radial Nameplate thrust Bearing housing Shaft turn
bearing bearing bore
L 6312 7312/BECBM 5.1191 (130.025) 2.3628 (60.015)
5.1181 (130.000) 2.3623 (60.002)
XL1 6312 7312/BECBM 5.1191 (130.025) 2.3628 (60.015)
5.1181 (130.000) 2.3623 (60.002)
XL2 6217 N/A 5.9065 (150.025) 3.3472 (85.018)
5.9055 (150.000) 3.3466 (85.003)
N/A 7314/BECBM 5.9065 (150.025) 2.7565 (70.015)
5.9055 (150.000) 2.7560 (70.002)
XL3 6317 7317/BECBM 7.0876 (180.025) 3.3473 (85.018)
7.0866 (180.000) 3.3466 (85.003)
XL4 6320 7320/BECBM 8.4657 (215.029) 3.9377 (100.018)
8.4646 (215.000) 3.9371 (100.003)
XL5 6224 N/A 8.4657 (215.029) 4.7251 (120.018)
8.4646 (215.000) 4.7245 (120.003)
N/A 7320/BECBM 8.4657 (215.029) 3.9377 (100.018)
8.4646 (215.000) 3.9371 (100.003)
Bearing housings
Perform these checks when you inspect the bearing housings:
• Check that the bearing housings are very clean, with no burrs.
• Remove all loose and foreign material.
• Check the bearing housing bores against the values in the Ball bearing fits table.
• Repair or replace housings as necessary.
Replace the wear parts
Replace the throat bushing
The throat bushing (125, 125A) is held in place by a press fit and tack welds.
1. Remove the bushing:
a) Grind out the tack weld.
b) Press the bushing (125, 125A) into the seal chamber of the case (100) and head (184)
bore.
2. Install the bushing:
a) Thoroughly clean the bushing fit in the seal chamber of the case (100) and head (184).
70 Model 3640 Installation, Operation, and Maintenance Manual