Flowserve MSS Series - Manual (Page 5)

2 Installation of Piloted MSS
2.1 Spray one end of one of the split stationary face seat gasket
O-rings 13 with the adhesive accelerator provided. Apply one drop
of the adhesive provided to the other end. Position the split O-ring
around the shaft carefully aligning the two ends and bond the joint
ends together. Hold for one minute to assure a suitable bond.
Lubricate the O-ring with the silicone lubricant provided. Place the
bonded O-ring on the seal chamber (stuffing box) face.
Note: Be careful not to let O-ring fall into the bore.
5
2.2 Install the stationary face halves 14 around the shaft with the
lapped face outward (non-lapped face is identified with a groove or
part marking) away from the seal chamber face. Hold the stationary
face up and place the
bonded O-ring over the
stationary face shoulder
closest to the seal chamber
face. Pilot the inner
stationary face shoulder
into the seal chamber bore.
2.3 Bond and lubricate the
second stationary face
seat gasket O-ring
13
around the shaft as in
Step 2.1 and place it over
the outer stationary face
shoulder.
Bond O-ring joint ends together
Step 2.1
Install stationary face halves
Step 2.2
O-ring over the stationary
face outer shoulder
Step 2.3
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