Title: 45-18 Cabin Door Windscreen step1-3 Silpruf Method
Marked the inside flange position on the windscreen to be used as reference line for the first thin masking tape. Sanded the windscreen to have a radius on all the sides. Installed the two thin masking tapes as recommended. Sanded with 100 grit and the n 220 grit in preparation of the sikaflex primer. Sikaflex primer has only 30 min curing time, therefore not necessary to wait for 24 hours. Masked the outside of the windscreen with back cutting. Masked the fuselage flanges with back cutting along the flange in preparation for final installation Next steps are 1. sikaflex primer on the windscreen. let cure 30 min. 2. Sikaflex thick layer on fuselage. 3. position windscreen. Insert few clecos along the windscreen for positioning. 4. Position the clip and use the screw clecos 5. tighten clecos around the windscreen perimeter in order to have plexiglas flush with fuselage. 6. squeeze excess sikaflex back into the space between plexiglas and fuselage. Clean excess. Do it starting with the clecos and then work around the perimeter. 7. Fuselage inside. Spread the oozed out sikaflex over the thin masking tape. KEEP SQUEGEE at 90 degrees to avoid imperfection and removal from the glueing area (fuselage-plexiglas). 8. Remove internal masking tapes....i think starting with the thin masking tape (number 2a and number 2B). 9. check if possible to remove fuselage masking (not sure). 10. let cure for at least 4 days.


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