10.8.3.1 Draining condensate
Material Receptacle
Cleaning cloth
1. Place the receptacle under the combination filter hose lines.
2.
Open the pre-filter and micro-filter condensate drain shut off valves.
3. Close the access door.
4. Start up the machine and run in IDLE.
The condensate collecting in the filter housings is blown out.
5. Stop the compressor as soon as air escapes.
6. Open the left-hand door.
7. Close the shut-off valve.
8. Close the access door.
Condensate must be stored in suitable containers and disposed of in accordance with local
environmental regulations.
10.8.3.2 Changing the filter elements
The pre-filter and microfilter contain different elements and these must be changed as a pair. Note
location!
Using the combination filter without an element installed is not permitted.
Handle new filter elements only with clean fabric gloves. Do not touch the new filter elements
with bare fingers – Contamination risk!
Material Spare parts
Filter wrench
Wrench
Cleaning cloth
Clean fabric gloves
Precondition Machine is cooled down.
Negative cable to the batteries disconnected.
Ensure that the combination filter is not under pressure.
➤
Slowly open the pre-filter and micro-filter condensate drain shut off valves.
Remaining pressure escapes.
Changing the pre-filter element:
1. Unscrew and remove the drain hose from the filter housing.
2. Unscrew the filter housing counter-clockwise.
3. Draw the filter element down and out.
4. Clean the filter head, housing and sealing surface with a lint-free cloth.
5. Check the housing gasket.
When damaged, replace the housing gasket.
10 Maintenance
10.8 Maintenance of Optional Items
138
Service manual Portable compressor
M122
No.: 9_6974 20 E
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