Burkert Type 8690 - Manual (Page 29)

29
Maintenance
10. MainTEnancE
The Pneumatic Control Unit is maintenance-free when operated
according to the instructions in this manual.
10.1. service at the air intake filter
DangEr!
danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
To protect the internal solenoid valves and the actuator, the pressure
supply air is filtered.
The direction of flow of the air intake filter in installed state is from
the inside to the outside through the filter material.
Air intake
filter
Quick plug-in
connector
O-ring
Fig. 22: Service on the air intake filter
procedure:
→
Unlock the quick plug-in connector by pressing the holding
element and pulling out the air intake filter (if necessary, use a
suitable tool in between the recesses in the head of the filter).
→
Clean the filter or, if necessary, replace the filter.
→
Check inner O-ring and, if required, clean.
→
Insert the air intake filter all the way into the quick plug-in
connector.
DangEr!
risk of injury due to improper installation!
• Ensure that the air intake filter is installed correctly.
→
Check that the air intake filter is secure.
11. accEssOriEs
designation Order no.
Special key 665702
Assembly tool 674077
Tab. 9: Accessories
english
Type 8690 Ex