BOCK FK40 Seroes - Operation of the Shut-Off Valves

Operation of the shut-off valves
Opening the shut-off valve
a) Spindle 1: Turn to the left (ccw) until the
end stop
Shut off valve fully open / Service port
2 closed (Position A), Fig.
Opening the service port (2)
b) b) Spindle 1: Turn 1/2-1 turn to the right
Service port 2 open / Shut-off valve open
(Position B), Fig
Port 3 is intended for safety devices and cannot
be shut off.
Position A
Position B
Note: Before opening or closing the shut-off valve, loosen the valve spindle seal
(Fig. left) by 1/4 turn. After operating the shut-off valve, tighten the valve spindle
seal carefully again (Fig. right).
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09608-09-03-DGbFEI
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