6. Check the cyclone separator housing and hose line for leaks.
7. Close the access door.
10.8.3 Option dd
Combination filter maintenance
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 bar.
All compressed air consumers are disconnected and the air outlet valves are open.
WARNING
Danger of injury from compressed air!
The combination filter is under pressure when operating; serious injury can result from loos‐
ening or opening components under pressure.
➤ Wait until the machine is completely vented (check that the pressure gauge indicates
0 bar).
➤ De-pressurise the combination filter.
Fig. 73 Combination filter maintenance
1
Filter combination
a
Pre-filter
b
Microfilter
2
Cyclone separator
3
Shut-off ball valve for condensate drain‐
age
4
Condensate drain hose fittings
5
Pressure differential gauge (check fittings
for Service personnel)
6
Filter head
7
Casing gasket
8
Filter element
9
Filter housing
➤ Open the left-hand door.
10 Maintenance
10.8 Maintenance of Optional Items
No.: 9_6974 20 E
Service manual Portable compressor
M122
137
Option dd
RAMIRENT
