MAHLE RTI ACF-3000 - Manual (Page 9)

Charcoal Air Filter Replacement
The charcoal air filter element and Pre-filter ( Part Number – includes both filter and
pre-filter: 305 80033 00), located on the rear of the unit, should be replaced after every
25 flush and purge services. It may be necessary to replace the element sooner if the
operator notices a stronger than usual odor emitted from the unit during the purge
process.
1. Remove and clean the pre-filter element.
2. Turn the wing nut on the filter counterclockwise and remove the retaining plate.
3. Remove the old filter element and replace with a new one.
4. Replace retaining plate and finger-tighten the wingnut.
5. Re-install the pre-filter element.
Coalescing Filter Drain
To drain the coalescing filter, turn the drain valve 90
degrees as shown in the figure to the right. Allow the
filter to drain until most of the liquid has drained out.
Coalescing Filter Element Replacement
The coalescing filter element ( Part Number: 026 80033 00) must be replaced after
every 100 flush and purge services. In some cases the element may need to be
replaced sooner if the shop air supply contains high amounts of moisture, oil, debris,
ect. A clogged element will restrict the airflow in the purge process and should be
replaced immediately.
1. Turn counterclockwise on the filter bowl to remove it.
2. Remove the filter element by turning it counterclockwise.
3. Replace the used element with a new one. Hand-tighten only.
4. Replace the filter bowl by turning it clockwise.
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