A MAIN DOOR LOCK IS AVAILABLE AS AN OPTION. USE THE FOLLOWING PROCEDURES FOR LOCK INSTALLATION.
STEPS: 1. PERFORM THESE PROCEDURES WITH THE DOOR REMOVED FROM THE AIRCRAFT.
2. REMOVE THE INTERIOR DOOR HANDLE.
3. REMOVE THE UPHOLSTERY FROM THE DOOR AS REQUIRED TO GAIN ACCESS TO THE DOOR LATCHING MECHANISM.
4. DISCOUNNECT THE CHAINS LINKING THE DOOR HANDLE MECHANISM TO THE LATCHES.
5. REMOVE THREE SCREWS THEN LIFT THE HANDLE MECHANISM OUT OF THE DOOR.
6. LIFT AND ROTATE THE EXTERIOR DOOR HANDLE TO GAIN ACCESS TO THE DOOR HANDLE CUP.
7. MATCH DRILL THE DOOR HANDLE LOCK CORE CUTOUT FOR THE LOCK TO THE DOOR.
8. REMOVE THE SCREWS HOLDING THE HANDLE CUP TO THE DOOR. THESE SCREWS ARE SECURED ON THE BACK SIDE OF THE DOOR USING WASHERS AND LOCKNUTS.
9. REMOVE THE EXTERIOR DOOR HANDLE FROM THE DOOR.
10. ENLARGE THE MATCH DRILLED HOLE IN THE DOOR TO BE SLIGHTLY LARGER THAN THE NUT USED TO SECURE THE LOCK TO THE HANDLE CUP.
11. INSTALL THE LOCK INT O THE DOOR HANDLE CUP THEN APPLY LOCTITE 242 TO THE THREADS ON THE LOCK AND SECURE IT WITH THE NUT PROVIDED.
12. INSIDE THE DOOR, THE DOOR HANDLE MECHANISM IS ATTACHED TO A RAISED PLATFORM. USE THE FOLLOWING FULL ISZE TEMPLATE TO CUT A HOLE IN TE PLATFORM FOR THE DOOR LOCKING COMPONENTS. USE A DREMEL TOOL OR SIMILAR TO CUT THE HOLE.
13. REINSTALL THE EXTERIOR DOOR HANDLE. USE SILICONE SELANT ON THE BACK SIDE OF THE DOOR HANDLE TO PREVENT CABIN PRESSURE LEAKS.
14. IN SET THE PIN DOWELS IN TO THE DOOR HANDLE THEN SLIDE THE LOCK CAM AND THE LOCK LEVER INTO PLACE. THE ORIENTATION SHOWN IS IN THE LOCKED POSITION.
15. ALIGN THE BOLT HOLES OF THE DOOR LATCHING MECHANISM WITH THE MUTPLATES IN THE DOOR PLATFORM THEN SLIDE THE MAIN SHAFT INTO THE LOCK CAM. ROTATE THE MAIN SHAFT AS REQUIRED SO THE PIN DOWELS SEAT INTO THE SLOTS IN THE SHAFT. THE LOCK LEER SLIDES THROUGH A BUSHING THEN INTO A SEAT IN THE LATCHING MECHANISM.
16. FASTEN THE ASSEMBLY TO THE PLATFORM.
17. REINSTALL THE CHAINS CONNECTING THE DOOR LATCHING MECHANISM TO THE D
