7. Push the holders back into the covers until you hear the lock but‐
ton engage.
8. You can obtain replacement filter mats from your service dealer.
Dispose of used filter elements in line with the applicable environ‐
mental protection regulations.
8.6.3 Cleaning the dirt trap screen in the pressure reducer valve
This section describes how to clean the dirt trap screen in the pres‐
sure reducer valve. When in continuous operation, the dirt trap screen
in the pressure reducer valve must be removed at least every 2
weeks and cleaned as follows. Observe the specifications in the
“Maintenance intervals” section.
(Maintenance intervals P. 8 — 2)
Item Designation
1 Pressure reducer valve
2 Dirt trap screen
3 Oring
4 Screen housing
1. Unscrew the screen housing on the pressure reducer valve using
a suitable tool.
2. Remove and clean the dirt trap screen. Replace it if it is extreme‐
ly dirty.
3. Insert the dirt trap screen back into the screen housing.
Maintenance
8 — 10
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