Maintenance; Cleaning The Compressor - Schneider Airsystems UNM 240-8-40 W Clean Notice D'utilisation D'origine

2.6 Maintenance

Interval / No later than Tasks
-- / As needed
-- / after each use
Once after 10 h / --
-- / Weekly
annually / --
2,500 h / After 5 years
2.6.1 Before each maintenance task
1. Switch off compressor at the ON/OFF
switch (item 10) (if available). Discon-
nect power supply at main switch.
2. Switch off the compressor. Unplug the
power plug.
3. Depressurise the whole compressor:
slowly open the ball valve condensate
drainage (item 09) and close it if no more
air escapes.
2.6.2

Cleaning the compressor

• Clean the cooling fins on the cylinder, cyl-
inder head and aftercooler using com-
pressed air.
• Clean the fan impeller cover on the motor.
2.6.3 Clean the air cooler
Only devices with membrane dryer!
The air cooler must be blown out from the
front using a blow gun held at an angle of 90°
(Fig. 7a).
Clean compressor
Clean the air cooler
Changing the filter element in the filter pressure
reducer (FDM)
Clean intake filter
Change check valve and insert
Changing the filter element in the prefilter (VF)
Changing the filter element in the microfilter (FF) 2.6.11
Drain condensate from the pressure vessel (only
devices without a membrane dryer)
Drain condensate from FDM
Check screw connections
Check intake filter
Changing the insert in the check valve
Check screw connections
Changing the filter element in the filter pressure
reducer (FDM)
Change intake filter
Clean the air cooler
Changing the filter element in the prefilter (VF)
Changing the filter element in the microfilter (FF) 2.6.11
Change safety valve
2.6.4
1. Depressurise vessel of FDM.
2. Hold a suitable vessel under the conden-
3. Remove the FDM vessel (Fig. 4a).
4. Grip the filter element at the outer edge
5. Turn the closure in the direction of the
6. Replace the filter.
7. For installation, proceed in reverse order.
2.6.5
Rotate the condensate drain valve clockwise
and push it up (Figure 4a). Condensate
drains.
Changing the filter element in
the filter pressure reducer (FDM)
Only devices without membrane dryer!
sate drain. Drain condensate.
between the two locking hooks and pull
it out.
arrow and release the filter element.
Draining condensate from FDM
Only devices without membrane dryer!
GB
UNM Clean - OF
See chap.
2.6.2
2.6.3
2.6.4
2.6.8
2.6.9
2.6.10
2.6.6
2.6.5
2.6.7
2.6.8
2.6.9
2.6.7
2.6.4
2.6.8
2.6.3
2.6.10
2.6.12
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