Diamond DA20-C1 Maintenance Manual page 107

DA20-C1 AMM
11. Remove all dust and debris from the bonding
surfaces.
12. Prepare bonding surface of the window and
the fuselage by sanding with 320 grit paper.
Clean with pre-cleano cleaner.
13. Allow 20-30 minutes minimum for the cleaned
areas to dry.
14. Inspect for proper cleaning.
15. Apply adhesive Terostat MS 9380 to the
fuselage bonding flange. Apply one continuous
bead.
16. Install the window on the fuselage
immediately.
17. Move the window to align the marks and to
make the contour of the acrylic match that of
the fuselage as closely as possible.
18. Inspect for voids and for proper bond line.
19. Remove excess adhesive from gap between
edge of acrylic and fuselage on the outside and
at edge of bonding flange on the inside.
20. Apply enough flash tape to the exterior to
provide an even and constant pressure.
21. Allow adhesive to cure for a minimum of 24
hours.
22. Inspect the window for any unbonded and/or
voided areas or waviness.
23. Remove internal masking tape and external
flashing tape.
24. Using fresh low residue masking or flash tape,
mask off window edges and fuselage edges
around gap.
25. Fill gap between window and fuselage with
black paintable exterior acrylic caulk (PF224,
black sealant)
DA201-C1
Rev 17
Detail Steps/Work Items
56-11-00
Key Items/References
Use the wipe on wet/wipe off dry method.
Allow longer dry times in cooler and/or
humid conditions.
Refer to Chapter 52-10.
Make sure that the bead cover most of the
bonding flange.
Pot lifetime for adhesive Terostat MS 9380
is 10 minutes.
Avoid excess local pressure as this can
lead to a wavy surface.
Remove the excess black sealant with
plastic scraper or spatula.
Windows
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01 Nov 10