Flowserve RIS Seal - Manual (Page 8)

5 Final Pump Assembly
6.1 Set seal to zero compression.
Push 101 clamp ring toward the pump impeller until the seal
faces make contact. Be certain that 9 jam nuts are not touching
the clamp ring. While holding the faces in contact, screw down
9 adjusting nut until it touches the clamp ring. (See Figure 7).
Make sure the faces are in full contact by supporting the weight
of the assembly at the top of the the clamp ring as well as
on each end near the adjusting nuts. The seal is now at
"zero compression". Mark the position of the adjusting nuts.
See Figure 8.
8
5.1 Assemble the suction side of the pump casing or liner or suction
cover.
5.2 Adjust the impeller clearance according to manufacturer's
instructions.
6 Seal Setting Procedure
Zero Compression
Figure 8
Zero Compression