JUL 2020 Chapter 52 Doors and Windows Page 52.11
52-30 Windshield Installation
52-31 Standard (Acrylic) Windshield Installation
A. Description
Acrylic windshields are sandwiched between thin aluminum retainers that are
screwed to the door and windshield frames. An adhesive/sealant is applied between
the retainers and the windshields for security and weatherproofing.
B. Cleaning
Refer to § 20-10 Part B for cleaning windshield.
C. Inspection
Inspect both windshields for cracks and crazing adjacent to retainers per Figure
52-3. If cracks exceed these limits, replace damaged windshield per § 52-31 Part F.
Minor defects or imperfections that do not impair pilot visibility or indicate impending
structural failure are acceptable.
D. Removal
1. Remove forward door assembly per § 52-10 Part B. Remove hardware securing
C228-4 (upper) hinge assembly to door frame and remove hinge.
NOTE
If windshield is to be reinstalled, prior to removal, tape protective
paper or film to the inside and outside of the windshield to
prevent damage.
2. Remove hardware securing C238-27 or C238-28 (side) retainer to door frame
and remove retainer.
3. Install upper hinge assembly, and install door assemblies for cabin structure
support with windshield removed.
4. Support windshield. With a second person inside cabin to remove nuts, latch
forward doors. Remove hardware securing F238-4 (upper) retainer, B409-
5 gusset, D805-2 restraint, C366-5 bracket, C366-8 retainer, F367 (lower)
retainers, B295-1 clip with trim string, F367-12 stiffener, and F367-10 (center)
retainer to cabin and remove parts. Remove windshield.
5. Remove sealant from cabin and parts.
6. If windshield is to be reinstalled, remove sealant from windshield.
7. Repeat steps to remove opposite-side windshield, as required.
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