Assembling the pump heads – Labconco VACUUBRAND HYBRID Rotary Vane Pump 7584000 User Manual
Page 47
➨
Bring the diaphragm into a position, in which
it is in contact with the housing and centered
with respect to the bore.
Assembling the pump heads
➨
Place the head cover over the diaphragm. Check for its correct orien-
tation by aligning it beforehand with the housing cover which has to be
put over it later on.
+
Pay attention that the diaphragm stays positioned centrally so that it
will become clamped uniformly between housing and head cover.
➨
Place the valves at their respective positions
on the head cover.
+
Make sure that the valves are correctly seat-
ed. See figure for the correct position of the
valves: Valves at the outlet with round cen-
tered opening (A) under valve; valves at the
inlet with kidney-shaped opening (B) beside
valve.
➨
Place the housing cover with housing cover insert onto the head cover.
➨
By turning the eccentric bushing, bring the connecting rod into the up-
per turning point position (max. stroke of the rod).
A
B
➨
Loosely screw in the Allen head screws at
the head cover diagonally at first slightly with
a 5 mm wide Allen key, then tighten.
+
Recommended torque: 8.9 ft
.
lb
f
(12 Nm).