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Flowserve Butterfly Valve User Manual

Page 7

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7

4.0

DISASSEMBLY INSTRUCTIONS (Continued)


4.1

Valve / Actuator Disassembly Instructions (Continued)


(C)

Remove Actuator Cap Screws/Washers (Part Nos. 218/293) holding underside
of actuator to top of yoke.


(D)

With sling/hoist or using eye bolts carefully lift actuator up off valve Yoke (Part
No.010).


(E)

Remove Yoke Cap Screws / Washers (Part No. 217 / 251) from lower side of
yoke.


(F)

Remove

Pin

(Coupling)/Actuator

Coupling/Stem

Coupling

(Part

Nos.

257/074/073 - as applicable) from shaft.


(G)

Carefully lift Yoke (Part No. 010) from valve.


4.2

Valve Disassembly Instructions:


(A)

Remove Gland Stud Nuts (Part No. 234)


(B)

Lift off Gland Retainer (Part No.130), take out Gland Ring (Part No.107).


(C)

Remove Gland Studs (Part No. 205).


(D)

Repeat for opposite end of valve.


(E)

Remove all Seat Retainer Cap Screws (Part No. 215).


(F)

Insert two (2) Capscrews (Seat Retainer) into two (2) jack screw holes provided
in Seat Retainer (Part No. 015) tighten down screws, lifting retainer out of Body
(Part No.001).


(G)

Remove Seat Ring (Part No. 013) and "O" Ring - if applicable (Part No. 300)
from retainer.


(H)

Remove Pins (Disc) (Part No. 274) from disc and shaft assembly.


(I)

Slide Stem (Part No. 024) from valve assembly.


(J)

Lift out Disc (Part No. 004) and Thrust Spacers (Part No.168).


(K)

Remove Packing Rings (Part No.110/112) and Packing Washer - if applicable
(Part No. 113). Once removed, packing should not be re-used.


(L)

Repeat for other end of valve.


(M)

Carefully press out Bushings (Part No. 060 or 061).