Flowserve CV10 Instrukcja Użytkownika Pobierz pdf (Strona 6)

6

Danger

Consider the relevant regulations for the

prevention of accidents. Do not exchange the

main valve seal unless the tank container is

completely empty and degassed. Be careful

when taking parts out of the water bath – they

are hot (risk of burns and scalds).

Replacement of main valve seal

(Fig. 3)

1. Remove valve disc.

2. Use two needles or similar tools to lever the

O-ring

Y

out of the valve disc. Apply light

smear of lubricant to new O-ring.

3. Heat valve disc

H

and O-ring

Y

in the

water bath to a temperature of 90 – 95 °C.

4. Insert and press O-ring into groove.

5. Re-install valve disc.

Replacement of bearing bush and

stem sealing (Fig. 2)

1. Dismantle spring and operating lever as

described.

2. Loosen socket-head cap screw

G

so that

the lever can be shifted on the inner stem

hexagon.

3. Remove oval flange

I

.

4. Attach operating lever by means of socket-

head cap screw to stem

P

, pull stem out

of body

A

.

5. Remove bushes

K

and

O

.

6. Clean location hole for stem. Do not

damage sealing surfaces for O-rings

N

and

M

.

7. Insert new bushes

K

and

O

.

8. Apply lubricant to O-rings

N

+

M

and to

rings

L

and push them onto the stem.

Consider correct order and right position.

Remove any surplus lubricant on the stem

bearing surfaces.

9. Push stem with rings onto body

A

by to

and fro motions and then over the lever.

The socket-head cap screw

G

must

coincide with the countersunk part of the

stem.

10. Tighten screw

G

with a torque of

7.5 + 0.5 Nm.

11. Mount oval flange

I

, tighten screws

J

with a torque of 7.5 + 0.5 Nm.

12. Refit and adjust spring and operating lever.

Fitting of lever for release cord

(“remote operator”) (Fig. 4)

1. Dismantle spring and lever as described.

2. Insert lever

Z

for remote quick-closing onto

stem

P

.

3. Refit spring and operating lever.

4. Laying of release cord on site by container

manufacturer.

Spare parts

Item Designation Order No.

K

Collar bush 048759

14 x 18 x 18

O

Collar bush 048 761

22 x 15 x 32

S

Reel 048 762

T

Socket-head cap bolt 048 763

M 10 x 28

G

Socket-head cap bolt 012 488

M6 x 8

J

Hexagon-head cap bolt 013 821

M6 x 10

V

Socket-head cap bolt 011 555

M8 x 35

★

N

O-ring 048 766

★

M

O-ring 048 765

★

Y

O-ring (main seal) 048 771

★

L

Ring 048 767

X

Locking clip 048 984

Q

Lever extension 048 776

W

Pin 013 067

U

Spring (with sea-water 049 022

resistant coating)

Assembly parts: 049 053

nuts and bolts

Assembly parts: 048 780

gasket

Lever for release 049 061

cord (accessory)

1 2 3 4 5 6 7

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