Page 52.4 Chapter 52 Doors and Windows JUL 2020
52-11 Door Lock Replacement
CAUTION
Protect door windows and paint from scratches or scuff marks
when door maintenance is performed on workbench.
1. Remove door per § 52-10.
2. Refer to Figure 52-1. Remove hole plug opposite key slot on door interior.
3. Remove screw, bent cam, and 90° rotation washer. Remove nut and A538-1 washer.
Press and catch cylinder lock and ring through door.
4. Install new cylinder lock and ring in door. Install lock so key is vertical with teeth
down in locked position. Apply thin coat B270-10 adhesive on screw threads, install
hardware, and tighten screw.
5. Bond hole plug in place using B270-9 adhesive.
52-12 Weather Seal (Door Assembly) Replacement
1. Remove damaged weather seal using plastic wedge or putty knife. Remove hardened
adhesive using approved solvent per § 20-70, or 60-grit sandpaper, as required.
2. Refer to Figure 52-1. Measure and trim continuous length of A226-2 seal to fit
perimeter of door except forward side, as shown. Neatly bond seal to stiffener using
B270-18 adhesive. Wipe away excess adhesive prior to curing.
3. Measure and trim length of A226-6 seal to fit forward side of door. Remove self-
adhesive preserving strip and neatly bond seal to stiffener.
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