W26.18-1015-11
Represented on the multiplication group module
1 O-ring (89.5 x 3)
2 O-ring (96 x 1.5)
A91 Multiplication group module
As technical evolution part, the command cylinder sealing was modified on the multiplication group module. Besides the already installed O-ring (1) now an additional O-ring (2) will be installed.
In case of repair to the multiplication group cylinder, or on the multiplication group module, the O-ring (2) must be installed afterwards.