4seal assembly instructions – Flowserve ISC2SS User Manual

Page 5

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background image

SL

on a flat surface with the

collar end facing up. Install
the inboard vibration dampener

M1

into the sleeve end housing.

Place the inboard bellows O-ring

6A

in the sleeve O-ring groove

behind the surface with drive flats
in the sleeve. (

Figure 7

)

5

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
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 four sizes
total: quantity 1 of the largest
size O-ring

G1

, quantity four

of the 2

nd

largest size O-ring

P

P1

6

and

6A

, quantity

one of the 2

nd

smallest size

O-ring

11A

and quantity 1 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

3.6 Sleeve Collar

9

(

Figure 6

)

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 6

B

A

M1

Vibration

Dampener

O-ring

6A

Figure 7

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