This table shows the clearance requirements between the thrust bearing end cover and the bearing:
Bearing type Clearance in millimeters | inches
Ball/ball
0.127-0.254 | 0.005-0.010
Sleeve/ball 0.127-0.254 | 0.005-0.010
Sleeve/tilt pad
0.127-0.254 | 0.005-0.010
6.6.4 Assemble the radial end (ball bearing pumps)
333A
168
360A
160
371D
355
383
122
353
100
Figure 75: Radial 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 radial-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 radial bearing (168) onto the shaft (122).
The bearings are interference fit.
a) Preheat the bearings with an electronic induction heater.
The induction heater also demagnetizes the bearings.
6.6 Reassembly
3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance
Manual
99
Содержание GOULDS PUMPS i-FRAME 3620
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