57
4. Inspected bearings which will be reused should be packed with new grease or dipped in
clean lubricating oil, covered with clean lint free rags or other suitable covering and placed
in a clean box or carton until ready for installation.
NOTE
Under no circumstances are the bearings to be left exposed.
7.11 Assembly
1. Install thrower(s) and oil ring (if supplied) onto shaft. Secure thrower to shaft by tightening
set screws into the location groove in the shaft.
2. Install the thrust and radial bearings in the same sequence and direction as removed.
NOTE
INNER THRUST BEARING MUST BE ASSEMBLED AGAINST SHOULDER ON SHAFT WITH
THE WIDE FLANGE OF THE OUTER RACE TOWARDS THE COUPLING. THE OUTER
THRUST BEARINGS IS TO BE PLACED ON THE SHAFT WITH THE WIDE FLANGE OF THE
OUTER RACE TOWARDS THE INNER BEARING.
When installing bearings on shaft, a slight heat is required to expand the inner bearing race. The
use of a 150 watt light bulb with an aluminium foil cover to contain the heat is recommended.
Place bulb foil to cover over bearing and light bulb. Heat for approximately 20 - 30 minutes.
3. Install the lock washer and locknut.
4. Place the bearing housing in a vertical position on blocks in preparation for installation of
shaft assembly. Make sure blocking is of sufficient height so that shaft will not contact the
floor.
5. Suspend shaft vertically for installation into bearing housing. Position oil ring (if fitted) on
shaft to prevent damage it enters bearing housing.
6. Lower the shaft assembly into the bearing housing. Install gasket and end cover. Torque
bolts in accordance with Section 7.12.
To Next Page
Loading...
Need help?
General
