Goulds Pumps 7200CB - IOM User Manual

Page 102

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Maintenance

CAUTION:
Pump cannot be operated in this condition until proper bearings are installed.

7. Install the oil ring sleeve (443B), bearing lockwasher (382) and bearing locknut (138).

Tighten the locknut by hand with a spanner wrench until the bearing is snug against the
shoulder.

8. Install the bearing housing (134) over the bearings. Apply a lubricant that is to be used in

service to the outside diameter of bearings. Finger-tighten the nuts (357P) on the studs
(375). Insert the dowel pins (469J); then tighten the nuts (357P).
The bearing housing is doweled to the head (184) during the original build to assure the
correct running position of the shaft.
The connection point of the bearing housing (134) to the head (184) is referenced to as the
saddle.

NOTICE:
The bearing housing flange must fit metal-to-metal (no gap) to the bearing saddle flange.

9. Tighten the inboard end-cover bolts (371C).
10. Install the oil ring (114).
11. Install the bearing end cover (109A) and the bearing end cover gasket (360A) with the end

cover bolting (371C). Apply high vacuum grease to gasket.

12. When new bearings are installed, you must measure the axial end play:

a) Move the shaft axially from the coupling end.
b) Measure the shaft axial movement with a dial indicator mounted on the radial bearing

housing.

c) Add or subtract end cover gaskets (360A) until axial movement is between 0.005 and

0.010 in. (0.127 and 0.254 mm).

100

Model 7200CB, API Type BB5 Barrel Multistage / ISO 13709 2nd Edition / API 610 11th Edition Installation, Operation, and

Maintenance Manual

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