4seal assembly instructions – Flowserve ISC1BX User 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 or acetone 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 ethyl
alcohol or acetone prior to placing the faces together at each respective step
in the assembly process.
4.3 Arrange O-rings by diametri-
cal size. There are two sizes:
two of the largest size (O-rings
P
and
6
), and one of the
smallest size (O-ring
11
).
Prior to installing each O-ring
at its respective step, lightly
lubricate with silicone
grease and stretch slightly.
4.4 Place the sleeve assembly
SL
on a flat surface with the
collar end facing up. Install
the vibration dampener
M
into sleeve end housing.
Place the bellows O-ring
6
in sleeve O-ring groove
behind surface with drive flats
in sleeve. (
Figure 5
)
4.5 Align the two flats on the
bellows assembly
34
with
the two flats on the inside of
the drive ring
10A
in the
sleeve end housing, and
press the bellows assembly
into place using finger
pressure only.
Caution: Be careful not to
over compress the bellows
assembly. (
Figure 6
)
M
Vibration
Dampner
Figure 5
O-ring
6
34
Bellows
Assembly
Figure 6
10A
Drive
Ring
Drive
Flats