PUMP ASSEMBLY MECHANICAL SEAL REPAIR.
This task covers: a. Disassembly
Tool kit, general mechanic's (Item 1, Appendix B)
Mechanical seal removed
Dry cleaning solvent (Item 30, Appendix C)
General Safety Instructions
Well ventilated area required during cleaning
Disassembly of the stationary seal rings, rotary seal rings, and packings is normally enough to refurbish
the mechanical seal. Seal faces are often reconditionable by lapping.
Each time the mechanical seal is replaced or disassembled, replace packings.
Remove six setscrews (1) and remove shaft collar (2).
Draw shaft sleeve (3) from seal plate (4).
Remove shaft sleeve packing (5).
Twist rotary seal ring assembly (6) and spring (7) from shaft sleeve (3).
Separate rotary seal ring (6) from rotary seal ring carrier (8). Remove rotary seal ring packing (9). Do not remove
seal face protection washer (10).
Push out stationary seal ring (11) and remove stationary seal ring packing (12).
Remove seal plate packing (13) from seal plate (4).
Remove screw (14), eccentric washer (15), and spacer (16) from seal plate (4).