VACUUBRAND PC 3012 VARIO plastic housing - Manual (Page 118)

page 118 of 129
➨
Note the position and orientation of the valve
(B) and remove.
+
Check valve for damage and replace if nec-
essary. Make sure that the valve is correctly
seated.
➨
Reassemble manifold cover (L) and cov-
er plate (K) and secure with countersunk
screws (M).
B
Notes on assembling fittings and hose connections
(only MV 10C VARIO-B, PC 3010 VARIO)
The thread of the fittings at the pump heads, at
the inlet and outlet distributors as well as the
hose connectors are sealed with PTFE tape.
+
If the fittings or the hoses have been re-
moved, use new PTFE bond (included in
set of seals) when reassembling.
➨
Wind the thread of the fitting two times coun-
terclockwise with PTFE bond, the hose con-
nectors three times. Ensure that the PTFE
bond ends flush with the fittings.
hose connector
thread
Assembling the connecting hoses
➨
Slip the hoses (O) onto the hose connec-
tors by turning the fittings (Q) with an open-
ended wrench w/f 14 (w/f 16 at outlet).
➨
Tighten the union nuts (N) of the hose con-
nections at the pump heads with an open-
ended wrench w/f 17.
+
Tighten union nuts first by hand and then
tighten one full turn using the open ended
wrench.