TM 10-3930-659-20 14-13.    CAB FRESH AIR FILTER AND DOOR REPLACEMENT (Con't). b. CAB FRESH AIR FILTER DOOR REPLACEMENT 1. Remove  cab  fresh  air  filter  (see  subparagraph a). 2. Remove  nut  (9),  plate  (10),  washer  (11),  nut (12), and latch (13) from door (5). 3. Remove  two  seals  (8)  from  door  (5).    Discard seals. 4. Remove three screws (6), strap (7), and door (5) from cab body (14). 5. Install  door  (5)  and  strap  (7)  on  cab  body  (14) with three screws (6). 6. Apply adhesive to two new seals (8) and install seals on door (5). 7. Install   latch   (13)   on   door   (5)   with   nut   (12), washer (11), plate (10), and nut (9). TA706818 14-32