Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 421

[8-15 Main-HBC Maintenance Instructions ]
Operation procedures
8) Press the spring seat by hand from above to contract the spring and
get the touch of the spring seat touching the step part of the shaft,
then tighten the inner hexagonal screw of the spring seat with a hex-
agonal torque wrench S3 in that position.
<<Note 1>>
The fastening torque of the inner hexagon bolt is 3-5 N·m.
<<Note 2>>
Check that the distance between the end of the mechanical seal and the
tip of the shaft is 51 mm.
9) Install the sealing sleeve (part 15), and install the sealing gasket (part
17) in the slot of the water outlet body (part 7), and note that the
smooth surface of the sealing gasket faces downwards.
<<Note>>
The smooth surface of the sealing gasket faces downwards.
154
- chapter 8
Illustrations
Hexagonal screw
(51mm)
Sealing sleeve
Sealing gasket
BS_08_L