Flowserve ISC1EX - 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)
• Pac-Ease TM2 lubricant (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 is a blind fit of the drive flats.
It may be helpful to mark the locations of the 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 or
acetone prior to placing the faces together at each respective step in the
assembly process.
4.3 Arrange O-rings by
diametrical size. There
are two sizes: one of the
largest size (O-ring
P ,
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 mating ring
O-ring P in the gland
assembly in behind the
gland drive ring 1B .
Place the bellows
vibration dampener M
into the groove at the
front surface of the gland
drive ring. (
Figure 5 )
3.4 Sleeve Collar 9 ( Figure 4 )
A Threaded holes - Inspect for thread
damage and re-tap as necessary.
B ID bore roundness - no greater than
0.002" TIR
C Set screws - Replace cup point and dog
point set screws with those
included with the repair kit. Make sure the
same threaded holes are used
with the same type set screws.
Figure 4
O-ring
P
Gland
Drive Ring
1B
Vibration
Dampener
M1
B
A
Figure 5
2 Trademark of Flowserve Corporation