Flowserve ISC1PX - Manual (Page 4)

4
4 Seal Assembly Instructions
4.1 Tools Required
•
3 /
32
", 1 /
8
" hex key wrenches (Sizes < 2.625"); 1 /
8
", 3 /
16
" hex key
wrenches (Sizes 2.625" and larger)
• Silicone grease (included in repair kit)
• Ethyl alcohol and clean, lint free towel for cleaning seal faces
4.2 As part of the assembly of the seal, there are several blind fits of pins and
drive flats. It may be helpful to mark the locations of the pins or drive flats
with a felt tip marker, or to align the feature with another visible feature on
the seal to assist with assembly. All seal faces should be cleaned with
alcohol prior to placing the faces together at each respective step in the
assembly process.
4.3 Arrange O-rings by dia-
metrical size. There are two
sizes: three of the largest
size (O-rings
13 , 13.1 , and
76 ), and one of the smallest
size (O-ring 19 ). Prior to
installing each O-ring at its
respective step, lightly
lubricate with silicone grease
and stretch slightly.
4.4 Place the sleeve assembly
1 on a flat surface with the
drive collar end facing up.
Install the vibration dampener
183 into sleeve end housing.
Place the rotating face O-ring
76 in sleeve O-ring groove
behind surface with drive flats
in sleeve. Install sleeve
gasket O-ring in groove in ID
of sleeve. (Figure 5)
4.5 Align the two flats on the
rotating face
15 with the
two flats on the inside of
the seal drive
2 and press
the rotating face into place
using finger pressure only.
(Figure 6)
Figure 5
Figure 6
Sleeve
Gasket
O-ring
19
Rotating Face
Gasket 76
Vibration
Dampner
183
Rotating
Face
15
Drive
Flats
Seal
Drive
2