MAHLE ACX1281, Operation Manual

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28 | ACX1281 | Maintenance en
8.6 Replacing inline filters
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The inline filters must always be changed when replacing the
filter drier.
The inline filters consist of a filter element fitted in the hose
adapter.
1 Adapter for connection 3 Adapter for hoses
2 Filter element 4 Sealing ring
1. Drain the service hoses.
2. Disconnect the service hoses from the inline filters.
Fig. 14: Removing adapter
3. Remove the filter element.
4. Install the new filter element.
Fig. 15: Installing filter element
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Make sure the sealing ring is correctly positioned at the adapt-
er and not damaged. Replace the sealing ring if it is damaged.
5. Screw the inline filter onto the adapter.
6. Attach the service hoses to the adapter.
8.7 Vacuum pump
8.7.1 Changing vacuum pump oil
Attention – Risk of burns from hot surfaces
Contact with the hot surface of the vacuum
pump will cause severe burns.
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Allow the vacuum pump to cool down.
h
Wear protective gloves.
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The vacuum pump oil must be changed after 60 hours of
operation. The message "Change vacuum pump oil" appears
on the screen when the vacuum pump oil needs changing.
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Use the vacuum pump oil specified by MAHLE
(part number 011 80070 00).
1. Place a container under the drain on back side of unit.
2. Open rear service door and pull plug to expose oil fill port.
3. Open the drain plug and filler plug of the vacuum pump.
4. Drain all the oil.
5. Close the drain plug.
6. Pour vacuum pump oil into oil fill port until oil level is some-
where between the min and max lines.
7. Turn on unit and start a vacuum process.
8. Check oil level .
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Oil level is accurate when level is midway between full and
empty.
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Oil change completed.
8.7.2 Resetting oil change interval
1. Select " Maintenance >> Service report >>
Statistics >> Vacuum pump oil life ".
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The time since the last oil change is displayed.
2. Enter the password "227".
3. Store entries and return with O .
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Oil change interval reset.