Repairs; Safety Instructions; Replacing The Diaphragm - Burkert 2036 Manuel D'utilisation

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12.

repairs

12.1. 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 reaching into the 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 repair.
▶ Installation must only be carried out by authorized technicians
and with the appropriate tools.
▶ Observe the tightening torques.
▶ On completion of the work check valve for leaks and function.
risk of injury from unintentional activation of the system and
uncontrolled restart.
▶ Secure system from unintentional activation.
▶ Following maintenance, ensure a controlled restart.
Type 2036
Repairs
12.2. replacing the diaphragm
required spare part
• Diaphragm
12.2.1. Disassembly of the actuator and
diaphragm
Move the actuator to the upper actuator position (CFA, NC: by
applying pilot pressure; CFB, NO: by removing the pilot pressure).
Mark the position of the actuator in relation to the valve body.
Unscrew the four body screws that connect the valve body with
the actuator. Remove the valve body.
Move the actuator to the lower actuator position (CFA, NC: by
removing pilot pressure; CFB, NO: by applying the pilot pressure).
Unscrew guide pin all the way.
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