209
11
209
12
4
11
13
256
11
13
9
18
20
20
9
18
9
67
256
(GB-IST-BBZS5-0413) 12/22
BARDIANI VALVOLE reserves the right to modify without notice its products, including products already ordered.
11. Disassembly of the BBZS5 - BBYS5
18. CYLINDER 108-134:
Remove elastic thread (20) by rotating plug (18) until the end part of
the elastic thread is visible through cylinder slot (9). Pull out completely
the end part by a pointed tool.
COUNTERHOLD!
15.
Remove the Snap ring (256)
and the pivot (13-11), to cylinder
(9).
16.
Unscrew the nut (209)
counterholding the pivot (11)
with an allen wrench.
17.
Unscrew the nut (209) from the piston
(11-13). Remove the seal rings (4,12).
20.
CYLINDER 108-134:
Using a press with a plug specially made for the operation (A) preload the spring on
the piston upper (67) and remove the seeger (256).
This operation must be carried out with great care by a
specialised person.
19. CYLINDER 108-134:
Remove plug (18) to the cilinder (9).