TM 10-6640-215-13 4-29.  REPAIR PURGE INTAKE DOORS. This task covers: a.  Removal b.  Installation INITIAL SET-UP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) Drill and Bits, (Appendix B, Section II, Item 1) Drill Set, (Appendix B, Section III, Item 1) Hand Blind Riveter, (Appendix B, Section III, Item 3) Materials/Parts Required Wave Washer, (Appendix F) Gasket, (Appendix F) Adhesive MM-A-1617, Type II, (Appendix E, Section II, Item 3) Rivets, (Appendix F) REMOVAL 1.  Remove Door Latch And Wave Washer.  See figure 4-18. a. Remove latch retaining screw, flat washer, and lockwasher. b. Remove defective latch and wave washer. 2. Remove Latch Keeper.  See figure 4-18. a. Remove two screws and flat washers attaching latch keeper to laboratory. b. Remove defective latch keeper and spacer.  Retain spacer for reuse. 3.  Remove Door Support, Support Hinge, Ball Stud Receiver and Ball Stud.  See figure 4-18. a. Drill out nine rivets attaching door support to door support hinge and remove defective support. b. Drill out nine rivets attaching door support hinge to purge port door and remove defective hinge. c. Drill  out  two  rivets  attaching  ball  stud  receiver  to  door  support  and  remove  defective  ball  stud  receiver  with receiver plate. d. Unscrew and remove defective ball stud. 4-65