Installation; Safety Instructions; Installing The Control Head Type 8691 On Process Valves Belonging To Series 21Xx - Burkert 8691 Manuel D'utilisation

Type 8691

Installation

7 insTallaTiOn
7.1 safety instructions
Danger!
risk of injury from high pressure in the equipment/device.
▶ Before working on equipment or device, switch off the pressure and deaerate/drain lines.
risk of electric shock.
▶ Before working on equipment or device, switch off the power supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations for electrical equipment.
Warning!
risk of injury from improper installation.
▶ Installation may be carried out by authorized technicians only and with the appropriate tools.
risk of injury from unintentional activation of the system and an uncontrolled restart.
▶ Secure system from unintentional activation.
▶ Following assembly, ensure a controlled restart.
7.2 installing the control head Type 8691 on process
valves belonging to series 21xx
noTe!
When mounting on process valves with a welded body, follow the installation instructions in the oper-
ating instructions for the process valve.
Procedure:
1. install switch spindle
(plug-in hose connectors with collets or
Figure 6: Installation of the switch spindle (1), 21xx series
→
Unscrew the transparent cap on the actuator and unscrew the position display (yellow cap) on the spindle
extension (if present).
Transparent cap
Pilot air ports
threaded bushings)
Actuator
english
17