Bauer Magnum SM 540 Operating Manual page 20

To protect the O-ring of the rotating element, cover the sharp edge of the key groove, only up to the end
of the cone.
16
Assembly kit for adjustment of the functional length of the mechanical seal.
Sleeve
Washer
Nut
Do not forget to insert the anti-rotation lock pin of the stationary seal ring in
the seat.
Spray the O-rings with Molykote to reduce friction.
(water, alcohol, or silicone grease are suitable, too).
Preparing the rotating collar.
Remove the threaded bolt
Mount the stationary seal ring
Groove and anti-rotation lock pin must be in alignment.
Operating manual for BAUER gear pump