Maintenance, Troubleshooting; Ordering Spare Parts - Burkert 0256 Manuel D'utilisation

5.4 electrical connection of the cable plug
Warning!
Risk of injury due to electrical shock!
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation!
▶ Observe applicable accident prevention and safety regulations for
electrical equipment!
If the protective conductor contact between the coil and body is missing,
there is danger of electrical shock!
▶ Always connect protective conductor.
▶ Check electrical continuity between coil and body.
Procedure:
→
Tighten cable plug (for permitted types see data sheet), observing
max. torque 1 Nm.
→
Check that seal is fitted correctly.
→
Connect protective conductor and check electrical continuity between
coil and body.
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MainTenance, TrOuBleshOOTing

6.1 safety instructions
Warning!
Risk of injury from improper maintenance!
▶ Maintenance 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 maintenance, ensure a controlled restart.
6.2 Malfunctions
If malfunctions occur, check whether:
→
the device has been installed according to the instructions,
→
the electrical and fluid connections are correct,
→
the device is not damaged,
→
all screws have been tightened,
→
the voltage and pressure have been switched on,
7 spare parTs
Caution!
Risk of injury and/or damage by the use of incorrect parts!
Incorrect accessories and unsuitable spare parts may cause injuries
and damage the device and the surrounding area.
▶ Use only original accessories and original spare parts from Bürkert.

7.1 Ordering spare parts

Replacement part sets
• Type 0256
Order the spare parts sets specifying the positions (Pos. 1: coil set,
Pos. 2: wearing parts set) and the identification number of the device.
• Type 0285
If defective, replace valve completely or have it repaired by Bürkert
Service.
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Note the voltage and current type as specified on the type label.
max. 1 Nm
Cable plug
→
the pipelines are clean,
→
the power supply is adequately high.
Valve does not switch
Possible cause:
• Short circuit or coil interrupted.
• Inadequate power supply.
• Core or core area dirty.
• Medium pressure outside the permitted pressure range.
Valve does not close
Possible cause:
• Internal space of the valve is dirty.
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7.2 replacement part sets Type 0256
1
Type 0256, 0285
Coil
Seal
(ensure position is correct)
2
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