Maintenance
h) When you have achieved the proper bearing assembly, set the lockwasher tab in the
slot in the locknut.
4. Install the bearing housing (134) over the bearings. Finger-tighten the nuts (427J) on the
studs (371T). Insert the dowel pins (469J); then tighten the nuts (427J).
The bearing housing is doweled to the
bearing saddle flange of the
casing (100) during the original build to assure the correct running position of the shaft.
NOTICE:
The bearing housing flange must fit metal-to-metal (no gap) to the bearing saddle flange.
5. Install the bearing end cover (160A) with the end-cover capscrews (371C).
6. Install the oil ring (114A).
7. Install the bearing end cover (109) and the bearing end-cover gasket (360A) with the
outboard end-cover capscrews (371C).
8. When new bearings are installed, you must measure the axial end play:
a) Bolt the end cover to the thrust housing.
b) Move the shaft axially from the coupling end.
c) Measure the shaft axial movement with a dial indicator mounted on the radial bearing
housing.
This table shows the clearance requirements between the thrust bearing end cover and the
bearing:
Bearing type
Clearance in inches (millimeters)
Ball/ball
0.005-0.010 (0.127-0.254)
Sleeve/ball
0.005-0.010 (0.127-0.254)
Sleeve/Kingsbury
0.010–0.013 (0.254–0.330)
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Model 3610, API Type BB1 API 610 11th Edition Installation, Operation, and Maintenance Manual
