TM 9-2350-247-20-1LOW AIR FLOW AT ALL OUTLETS (M548A3)—Continued 0106 002Y1. Turn NBC AIR FILTER SWITCH (1) OFF (see your -10).2. Loosen clamp (2) and remove outlet hose (3) from particulateprecleaner (4).3. Turn NBC AIR FILTER SWITCH (1) ON (see your -10).4. Is air flow from particulate precleaner (4) restricted?YESNO2YN1. Turn NBC AIR FILTER SWITCHOFF (see your -10).2. Turn MASTER SWITCH OFF.3. Cover air intake holes by slidingspring clip forward over holes onparticulate precleaner.4. Repair and/or replace inlet hoses toM18 filter.5. Replace M18 filter (WP 0536 00).6. Verify no faults found.3Y1. Particulate precleaner adjustment needed. SeeTM 3-6680-316-10.2. Verify no faults found.0106 00-3/4 blank
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