Flowserve ISC2 Dual Pusher Repair - Manual (Page 9)

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6.12 Install the stationary face support assembly face
down onto the sleeve assembly as shown in Figure
18. Lightly lubricate the area where the stationary
face O-ring [13.1] contacts the stationary face
support [100].
6.13 Before installing any O-rings in either the inner
gland [11] or stationary face support assembly,
assemble the two by aligning the pins and the
pin slots. Mark both parts in line with a marker
or pencil, one on the inner gland [11] OD close
to the stationary face support OD and one on the
stationary face support [100]. This will provide an
alignment guide to the pins during assembly of the
seal.
6.14 Select stationary face support O-ring [13.1], stretch
slightly and lightly lubricate. Lightly lubricate the
area in the inner gland [11] where the O-ring
contacts. Install the O-ring into the inner gland [11]
as shown in Figure 19.
6.15 Install the inner gland [11] onto the sleeve
assembly. See Figure 20. During the installation,
ensure that the drive pins in the gland line up with
the slots in the stationary face support by aligning
the marks from step 6.13.
Caution: Do not rotate the inner gland during
installation. This may cause the springs [16] to
buckle. Verify the pins are aligned by exercising
the inner gland.
6.16 Select inner gland O-ring [18.1] and place it into
the O-ring groove located on the inner gland [11].
See Figure 21.
6.17 Select rotating face support O-ring [71], stretch
slightly and lightly lubricate. Install the O-ring into
the ID groove in the rotating face support [99]. See
Figure 22.
6.18 Align the flats on the rotating face support [99] with
the flats on the sleeve assembly. Push the rotating
face support down until it seats squarely against
the shoulder on the sleeve. See Figure 23.
Figure 18
Figure 19
Figure 20
Figure 21
Figure 22
Figure 23