6.6.5 Assemble the thrust end (ball bearing pumps)
122
383
333A
160 360A
443V
136
382
443B
112A
355
353
Figure 78: 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).
NOTICE:
Do not set the mechanical seal sleeve set screws at the time; endplay must be checked first or
damage to the seal faces could occur.
2.
Assemble the inboard labyrinth seal (333A) into the inboard thrust end cover (160):
a) Clean the end cover with a solvent.
b) Fit the labyrinth seal (333A) into the bore of the cover (160).
c)
Tap the seal in with a hammer.
NOTICE:
Make sure that the expulsion port is at the 6 o'clock position and is properly seated.
3.
Assemble the inboard end cover (160) and the inboard bearing end-cover gasket (360A) onto the
shaft.
4.
Assemble the bearing spacer (443V) and thrust bearings (112A) in a back-to-back arrangement on-
to the shaft (122):
The bearings are interference fit.
a) Preheat the bearings to 120°C | 250°F with an induction-type bearing heater.
Be sure to also demagnetize the bearings after heating.
CAUTION:
• Risk of physical injury from hot bearings. Wear insulated gloves when using a bearing
heater.
NOTICE:
Do not use a torch and do not force.
b) Install the bearings (112A), the oil ring sleeve (443B), and the bearing locknut (136) onto the
shaft.
6.6 Reassembly
Model 3600 i-FRAME API610 11th Edition / ISO 13709 2nd Edition to current API BB3 Multi-Stage, Axially Split Installa-
tion, Operation, and Maintenance Manual
107
Summary of Contents for GOULDS PUMPS 3600 i-FRAME
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