. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE is cleaner body to lock in position. 4 - 26 7. Direct dry c ompressed air ( less than 0.2 MPa {2.1 kg/cm 0.0 PSI}) to th e outer element from inside alon g i ts pleats hen direct it fro m outside along its pleats and again from inside 8. After cleani ng, shine a ligh t bulb from inside outer element (6) to check. I found, the outer elem 9. Install oute r element (6) in the air cleane r body 10. Check that O-ring (9) is fitt ed to dust cup (4). Next, set s o that vacuator valve (8) of dust cup (4) bottom, an d insert it into th e air cleaner body at the 11. Clip hooks (5) of dust cup (4) to the protruding parts of the air