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14. Assembly of B925 - B925B divert
53
14. Insert the lower piston (53), the adjusting
sleeve (58) into the part assembling (35).
16. Prepare the spring block putting gauge (154)
[only DN25--40, 65], the spring (31) and the
upper piston (66) and the nut (77) on the
central piston (13).
18. Insert the seal ring (12) on the shaft (11). sujetar
with an allen wrench the shaft (11) and screw
the spring block on it.
The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice.
58
35
77
66
31
154
13
COUNTERHOLD
11
12
15. Fit the part assembling (35), the lower piston (53)
and the adjusting sleeve (58) in the cylinder (9)
using the socket screw (34). Orient the part as-
sembling so that the tab with BARDIANI symbol
was aligned with the air connections.
A
17. Using a press with a plug specially made for the operation
(A) preload the upper piston (66). Screw the nut (77)
using a wrench specially made and mach the piston (66)
until the complete unloaded of the spring (31).
This operation must be carried out with great
care by a specialised person.
19. Insert the secondary spring (85) in to the cylinder
(9), introduce the shaft (11) complete of the piston
(66 and 13) and the spring (31) in to the cylinder (9).
Closed it with the stopper (18).
9
53
34
58
35
66
77
31
13
18
66
31
13
11
85
(GB-IST-B925-0910) 30/35
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