Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 420

[8-15 Main-HBC Maintenance Instructions ]
Operation procedures
4) Wipe the static ring grinding surface of the mechanical seal (part 8)
with a sponge pad inside the mechanical seal (part 8).
Discard the sponge pad after use.
5) Coat one circle of the mechanical seal matched with the motor shaft
with methyl silicone oil (Soaked).
6) Install the water outlet body (part 7), the water outlet faces one side
of the motor junction box.
7) Load the rotation ring, spring and spring seat of the mechanical seal
(part 8), adjust the position of the set screw in the spring seat, so that
it is facing the arc surface of the motor shaft.
<<Note>>
Loosen the hexagonal socket screw of the spring seat beforehand.
BS_08_L
Illustrations
Sponge pad
Mechanical seal
static ring
Step in the shaft
Step in the shaft
Mechanical seal rotation ring
Spring seat
Hexagonal socket screw
Spring
Mechanical seal
Water outlet
body
Power supply box
Arc surface
Rotation ring
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chapter 8 -