BS 60/BS 70-2 Maintenance285.2 Air CleanerSee Graphic: wc_gr001168NEVER use gasoline or other types of low flash point solvents forcleaning the air filter. A fire or explosion could result.NOTICE: NEVER run engine without main paper filter element (b).Severe engine damage will occur.Filter IndicatorThe air intake system is equipped with a filter indicator (h), whichindicates when a filter change is required. Replace the main paper filterelement (b) when the yellow plunger of the indicator appears in or nearthe red line. Push and hold in the yellow plunger on top of the indicatorto reset it after replacing the main paper filter element.Clean elements using the following procedure:5.2.1 Remove the air cleaner cover (a). Remove the main paper filterelement (b) and the secondary prefilter (c) and inspect them for holesor tears. Replace the elements if they are damaged.5.2.2 Main paper filter element (b): Replace the main paper filter element ifit appears heavily soiled and/or when the yellow plunger of indicatorappears in or near the red line.5.2.3 Prefilter (c): Clean it with low-pressure compressed air. When theprefilter is very soiled, wash it in a solution of mild detergent and warmwater. Rinse it thoroughly in clean water. Allow the prefilter to drythoroughly before reinstalling it.Note: Do not oil the prefilter.5.2.4 Wipe out the filter housing (d) with a clean cloth. Do not usecompressed air.NOTICE: Do not allow dirt to get into the engine intake port (k) whilecleaning. Damage to engine will result.5.2.5 Check that the precleaner debris ejector slot (i) is clear.WARNINGwc_gr001168abcdkih