9.6.3 De-pressurising the unit
CAUTION
Increased noise level!
Danger of acute hearing damage or noise-related hearing impairment!
Wear ear defenders.
The unit is switched off.
1.
Open all the condensate drain cocks.
2.
Secure the filling valve, point it downwards and open it slowly.
3.
Channel the compressed air out in the open until the pressure gauge shows 0
bar.
4.
On units having a separate final separator (starting with filter system P41), al-
so open the venting valve of the filter until the pressure gauge shows 0 bar.
5.
Close the valves and condensate drain cocks.
Ä
The unit is pressure-free.
OPERATING MANUAL Maintenance | 9
28.08.2019
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