Viking Pump TSM280: Duralobe (Discontinued) - Manual (Page 47)

Page : 45
4.3.2 Single Mechanical Seal
See Fig 26.
Fig 26
Read the General Procedures to prepare for seal installation refer to section 4.3.1
before assembly Ensure that all seal components are clean and grease free.
- Install wave springs (29) to housings (28).
-
During Pump assembly install housings (28) to rotorcase securing with
screws (26) tightening to correct torque, refer to section 5.2. If only the
seal faces are being replaced, the housings (28) and wave springs (29)
will already be in place.
-
Install o-rings (32) to rotors (item 41 see fig 5.6 on page 60).
-
Install rotary seal faces (33) into rotors (item 41 see fig 5.6) ensuring that
the drive lugs and drive slots engage. Make sure the o-rings (32) are
located correctly and that the seal faces (33) are sitting squarely in the
rotors (item 41 see fig 5.6).
-
Install o-ring (30) to stationary seat (31).
-
Gently push the stationary seat and o-ring (30,31) assemblies into the
seal housings (28), ensuring drive pins and slots are engaged.
-
You should now be able to feel the resistance being generated by the
wave spring (29).