VACUUBRAND MZ 2C NT VARIO without controller (o.C.) - Manual (Page 59)

page 59 of 76
➨
Bring the diaphragms (F) into a position, in
which they are in contact with the housing
(C) and centered with respect to the bore.
➨
Put on head cover (J) with valve heads (O)
and connections attached.
+
Pay attention to the correct orientation of
the head covers:
Housing with head alignment pin: The head
alignment pin (A) at the pump housing (C)
has to fit into the recess at the head cover
(J).
Housing with mark (A): Align the recess at
the head cover with the mark at the pump
housing.
➨
Loosely screw in the Allen head screws (H)
at the head covers diagonally at first slightly
with a 5 mm wide Allen key, then tighten.
+
Recommended torque: 8.9 ft . lb
f
(12 Nm).
➨
Slide the caps (I) into the head cover.
H
Affix the connection tube (V) to the other side
of the pump at the valve head (O).
PC 3002/3003/3004:
Affix the connection tube (V) to the other side
of the pump, as well as the hose connection to
the inlet or outlet of the vacuum system at the
valve head (O).
➨
Slip connecting tube (V) onto hose connection of valve head.
➨
Slide on the tube and the hose clip (U) until touching the nose at the
valve head.
➨
Close hose clip (U) with flat pliers.