vacuubrand MZ 2C NT+2AK, Инструкция по эксплуатации

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page 64 of 80
➨
Position clamping bracket (S) with counter-
sunk bores facing upwards.
➨
Align the countersunk bores with the thread-
ed pegs.
➨
Loosely fasten the countersunk screws and
correct the alignment of the valve heads if
necessary.
➨
Tighten countersunk screws with Torx screwdriver T20.
+
Torque: 2.2 ft
.
lb
f
(3 Nm).
➨
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.
Valve head with gas ballast or hose nozzle connection:
➨
Insert square nut (K) in the groove of the head cover (J) or position
square nut in the groove and then screw on connection fastener.
+
Loosely fasten fillister head screw (L).
S
H