MW
41
The proper sequence of valve unit assembly on the head is as follows:
During suction, insert the anti-extrusion ring, explod. posit. 6 (pos.c, fig.148).
Insert the O-ring, explod. posit. 7 (pos.c, fig.149).
Ensure that the O-ring and anti-extrusion ring are perfectly placed in their housings.
Insert the suction valve unit (pos.c, fig.150).
The complete valve unit must be fully inserted into the bottom and should look like the image in pos.c,
fig.151.
fig. 148
1
fig. 149
1
fig. 150
1
fig. 151
1
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