Figure 25: Coupling guard and coupling
7.
Either remove mixer coupling hub or move hub down shaft to bearing frame.
8.
If unit is oil lubricated, drain oil from bearing frame by removing bearing frame drain plug (408B).
Replace plug after oil is drained.
6.3 Disassembly
1.
Place sling from hoist around bearing frame (228).
2.
Remove bearing frame foot hold-down bolts.
3.
Remove six (6) casing bolts (370A, casing- to-seal chamber) and eight (8) casing bolts (469Z,
frame-to-seal chamber to casing).
Figure 26: Placement of sling hoist
4.
Use jack bolts (418) to remove the back pullout.
6.3 Disassembly
38
3501 Installation, Operation, and Maintenance Instructions