TM 5-4220-227-14
6-4. Inner/Outer Lock Door Assembly.
This task covers:
a. Replace
b. Repair
INITIAL SETUP
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit
Cloth, Lint Free (Item 6, Appendix E)
(NSN 5180-00-177-7033)
Detergent, Nonionic (Item 8, Appendix E)
Distilled Water (Item 9, Appendix E)
Materials/Parts
Equipment Condition
Inner/Outer Lock Door Assembly
Preformed Packing
Chamber shut down (para. 2-15).
Grease (Item 13, Appendix E)
a. Replace. (figure 6-1)
NOTE
Before beginning procedure, mark doors TOP and/or BOTTOM to aid in correct installation. The inner and
outer lock doors are the same. Replacement of door is the same.
(1)
Remove cotter pin (1) from hinge pin assembly (2). Discard cotter pin.
(2)
Holding door assembly (3), remove hinge pin assembly (2) from bulkhead hinge block (4) and hinge assembly
(5) along with hinge bushings (6) and (7). Discard worn bushings.
(3)
Remove door assembly (3).
(4)
Using lint free cloth, remove old grease from hinge pin assembly (2), hinge assembly (5) and bulkhead hinge
block (4)
(5)
Apply grease to bushings (6) and (7).
(6)
Install bushings (6) and (7) in hinge assembly (5).
(7)
Install hinge pin assembly (2) through bulkhead hinge block (4) and through hinge assembly (5).
(8)
Install cotter pin (1) through hinge pin assembly (2).
(9)
Lubricate and install new preformed packing (8).
6-4
