TM10-3930-660-20 16-7. CAB DOORS -  SERVICE/REPLACE (Cont’d) REPAIR BY REMOVAL OF DOOR LATCHES 1. 2. 3. 4. 5. 6. 7. TO REMOVE  UPPER (8) OR LOWER (6) DOOR LATCH , FIRST REMOVE THE ACCESS COVER (4) AS DESCRIBED IN THE “SERVICE By ADJUSTING DOOR LATCHES” SECTION OF THIS PARAGRAPH. TO REMOVE UPPER DOOR LATCH (8), REMOVE FOUR SCREWS ( 7 ) AND PULL LATCH OUT THROUGH ACCESS HOLE. TO REMOVE LOWER DOOR LATCH (6), REMOVE FOUR NUTS (5) AND REMOVE LATCH FROM OUTSIDE OF LOWER TO INSTALL LOWER DOOR POSITION LATCH (6) ON WITH FOUR NUTS (5). TO INSTALL UPPER DOOR POSITION LATCH (8) ON SECURE WITH FOUR NUTS DOOR . LATCH  (6), DOOR AND SECURE LATCH, DOOR AND (7). ADJUST UPPER AND LOWER DOOR LATCHES (8) AND (6) AS DESCRIBED IN THE “SERVICE BY ADJUSTING DOOR LATCHES” SECTION OF THIS PARAGRAPH. INSTALL ACCESS COVER AS DESCRIBED IN THE “SERVICE BY ADJUSTING DOOR LATCHES” SECTION OF THIS PARAGRAPH. 16-11