Burkert Type 8691 - Manual (Page 59)

59
Maintenance
13 mainTenance
13.1 service at the air intake filter
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.
To protect the internal pilot 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 connector
O-ring
Figure 48: Service on the air intake filter
Procedure:
→
Unlock the quick 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 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.
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Type 8691