MAINTENANCE 16. When replacing the air cleaner filter element, replace both outer (1) and inner (3) elements together. Remove outer element (1). Clean the filter interior before remov- ing inner element (3). Remove inner element (3). First install inner element (3) and then install outer element (1). Air Restriction Switch 1 2 IMPORTANT: Do not reuse the inner element. Always re- place the new one. Cover Valve 3 M157-07-061 7-64