Limit Switch Setting; Set End Position Closed (Black Section) - AUMA SQEx 05.2 Manual

Figure 27: Torque switching heads
[1]
[4]
[1]
[3]
How to proceed 1. Loosen both lock screws [3] on torque dials.
2. Turn torque dial [4] to set the required torque. Example:
ð Black torque switching head set to approx. 185 ft-lb [250 Nm] for direction
ð White torque switching head set to approx. 150 ft-lb [200 Nm] for direction
3. Fasten lock screws [3] again.
Information: Maximum tightening torque: 0.2 – 0.3 ft-lb [0.3 – 0.4 Nm]
ð The torque switch setting is now complete.

10.4 Limit switch setting

The limit switches monitor the travel. When reaching the preset position, switches are
operated.
Figure 28: Setting elements for limit switches
[1]
[2]
[3]
[1]
[3]
[5]

10.4.1 Set end position CLOSED (black section)

1. Engage manual operation.
2. Turn handwheel clockwise until valve is closed.
3. Press down and turn setting spindle [1] with screw driver in direction of the arrow
and observe the pointer [2]: While a ratchet click is felt and heard, the pointer [2]
moves 90° every time.
Torque switching head black in direc-
tion CLOSE
Lock screws
CLOSE.
OPEN
Setting spindle: End position CLOSED
(black section)
Mark: End position CLOSED set (black
section)
Pointer: End position OPEN (white sec-
tion)
[3] [3]
[2] Torque switching head white in direc-
tion OPEN
[4] Torque dials
[2] Pointer: End position CLOSED (black
section)
[4] Setting spindle: End position OPEN
(white section)
[6] Mark: End position OPEN set (white
section)
Commissioning (basic settings)
[2]
[4]
[4]
[5]
[6]
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