Gardner Denver L4-5C Original User Manual page 52

PACKAGE PRE-FILTER MAINTENANCE
1. Remove the central screw and washer securing the pre-filter to the grill assembly and remove the
pre-filter media (17). See Figure 7-2 for component details. Note: do not remove the fan grill.
2. Cleanse the pre-filter media with compressed air or with water to remove debris trapped in its
fibers.
3. Replace the pre-filter media and central screw and washer in the reverse order.
Figure 7-1 Compressor Air Filter
Figure 7-2 Pre-Filter Cover, Pre-Filter and Fan Grill
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