VACUUBRAND MZ 2C EX +IK+EK - Manual (Page 52)

page 52 of 75
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.: 999128 / 29/04/2014
Inspection and replacement of the internal overpressure safety valve at the manifold
at the outlet:
(only MV 10C EX / MV 10C EX + AK + EK)
➨ Note position of valve and remove.
☞ Check valve for damage and replace if necessary. Make
sure that the valve is correctly seated.
➨ Reassemble distributor and cover plate.
Elbow fitting (3x):
➨
Slip the tubing onto the elbow fitting by turning the fitting
with an open-ended wrench (width 15 mm).
Straight fitting (2x):
➨
Slip the tubing onto the fitting.
➨ Tighten union nuts first by hand and then tighten one full
turn using the open ended wrench (width 17 mm).
➨ Use an open-ended wrench (width 17 mm) to unscrew at
the pump head the union nut of the tubing which is con-
nected to the outlet.
➨ Turn the fitting with an open-ended wrench (width 14 mm)
to detach the tubing from the fitting (1/4 of a turn at maxi-
mum).
☞ Do not remove the elbow fitting from the distributor cover.
➨ Unscrew the two countersunk screws (A) at the cover plate
and remove cover plate together with distributor cover.
(A)
➨ Note position of valve and remove.
☞ Check valve for damage and replace if necessary. Make
sure that the valve is correctly seated.
➨ Reassemble distributor cover and cover plate.
➨ Slip the tubing onto the elbow fitting by turning the fitting
with an open-ended wrench (width 15 mm).
➨ Tighten union nut first by hand and then tighten one full
turn using the open ended wrench (width 17 mm).