1. ROTATE THE DOOR HANDLE SO THE LATCHES ARE IN THE OPEN POSITION.
2. FIT THE MAIN DOOR BY CENTERING IT IN THE FUSELAGE OPENING. MAINTAIN A UNIFORM GAP ALL AROUND BETWEEN THE DOOR AND THE FUSELAGE BY PLACING TEMPORARY SHIMS FOR SUPPORT (STACKED TONGUE DEPRESSORS WORK WELL FOR THIS).
3. tRIM THE DOOR SKIN AS REQUIRED TO FIT INTO IT'S JOGGLE AND BE FLUSH WITH THE FUSELAGE. PROVIDE A 1/8" TO 3/16" GAP AND KEEP THE GAP AS UNIFORM AS POSSIBLE.