Replacing The Valves - vacuubrand MZ 2C NT+2AK Instructions For Use Manual

F
G
➨ Optimum torque for the diaphragm support disc: 4.4 ft
recommended to use a torque wrench. Attach torque wrench to dia-
phragm key (hexagonal bolt 6 mm wide).
Note: Never use the diaphragm key with any additional tools like tongs
or Allen keys without appropriate torque limitation.

Replacing the valves

Q
O
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+ Assemble the original number of washers
(D) between diaphragm support disc (E)
and connecting rod (B).
➨ Screw diaphragm clamping disc (G), dia-
phragm (F), diaphragm support disc (E),
and washers (D) to connecting rod (B).
➨ Open the hinged cover of the connection
fastener (Q) with a slotted screwdriver.
Loosen connection fastener slightly.
➨ Turn the fillister head screw (L) with a Torx
driver T20 at most one turn.
+ Do not detach the fillister head screw from
the square nut (K).
Loosen the clamping brackets (S) on the valve
heads (O).
S
➨ Unscrew at each clamping bracket the two
countersunk screws with a Torx driver T20.
Remove the clamping brackets.
lb (6 Nm), it is
.
f