Pentair MYERS WHR-DS Owner's Manual page 16

10. If necessary to replace ball bearing, press off in arbor
press. Use strips of metal between bearing and rotor to
press off. Fig. 23. Always press on inner race of bearing
when replacing.
11. If necessary to replace motor stator, use new housing
with stator pressed in. Both housing and stator must be
replaced as a unit, as stator is pressed in at factory and
is not to be replaced in the field. Fig. 24
12. In reassembly, be sure rubber seal ring and thrust
washer are in place as shown. Fig. 25
FIG. 22
FIG. 23
16
FIG. 24
FIG. 25