Burkert Type 6606 - Manual (Page 8)

28
Ensure that the seal is fitted correctly for the
electrical connection to the cable plug.
NC
N0
Cable plug
Type 2506
Seal
Valve
max. tightening
torque: 0.4 Nm
note!
If the tightening torque is too great, the device may
be damaged!
Observe the maximum tightening torque of the screws! •
Screw cable plug to the valve at a maximum tightening
→
torque of 0.4 Nm.
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mainTenance, 9.
TrOubleshOOTing
The valve is maintenance-free under normal operating
conditions.
safety instructions 9.1.
Danger!
Risk of injury from high pressure in the equipment!
Before loosening the lines and valves, turn off the •
pressure and vent the lines.
Risk of injury due to electrical shock!
Before reaching into the device or the equipment, •
switch off the power supply and secure to prevent
reactivation!
Observe applicable accident prevention and safety
•
regulations for electrical equipment!
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30
Warning!
Risk of injury from improper maintenance!
Maintenance may be carried out by authorized techni- •
cians 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. •
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maintenance Work 9.2.
Malfunctions
If malfunctions occur, check
the port connections: the correct configuration of the
→
fluid connections according to the circuit functions (see
chapter entitled “
8.2. Fluid Installation”)
whether the operating pressure is within the permitted
→
range.
the power supply and valve control
→
the location of the coil seal: the seal must not cover the
→
metallic areas of the coil.
Coil seal
If the valve still does not switch, please contact your
Bürkert Service.
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Type 6126 / 6606