Installing The Control Head Type 8691 On Process Valves Belonging To Series 20Xx - Burkert 8691 Manuel D'utilisation

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7.3.
installing the control head Type 8691 on process
valves belonging to series 20xx
Procedure:
1. install switch spindle
Figure 9:
Installation of the switch spindle (1), series 20xx
Unscrew the transparent cap on the actuator.
Using a hexagon socket key, unscrew the orange/yellow position indicator from the inside of the actuator.
Figure 10:
Installation of the switch spindle
Press the O-ring downwards into the cover of the actuator.
Manually screw the switch spindle (and the plugged-on guide element) together with the plastic part onto the
spindle of the actuator, but do not tighten spindle yet.
Tighten the guide element with a face wrench
Tighten the switch spindle on the spindle of the actuator. To do this, there is a slot on the upper side (torque:
1.0 Nm).
Push the puck holder onto the switch spindle until it engages.
journal Ø: 3 mm; journal gap: 23.5 mm
1)
20
(2), series 20xx
english
Transparent cap
Position indicator
Actuator
Puck holder
Switch spindle
Guide element
O-ring
Plastic part
(of the switch spindle)
Spindle (actuator)
into the actuator cover (torque: 8.0 Nm).
1)
Type 8691
Installation

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