Page 159 - Practical Machinery Management for Process Plants Major Process Equipment Maintenance and Repair
P. 159
Reciprocating and Liquid Ring kcuum Pumps 141
Finally, assemble the bearing brackets, bearings and seals or packing.
Assemble the thrust end first. At the driven end the bearing must be cen-
tralized in its housing. Check the end float by loosening and tightening
the thrust end bearing cover (item 1 in Figure 3-14). Measure axial
movement with a dial indicator on the exposed shaft end. Adjust that
bearing cover so that the rotor will be held in the middle of its axial float.