User manual 3M POLYURETHANE PROTECTIVE BOOTS INSTALLATION TECH BULLETIN

[. . . ] Local air quality regulations may regulate or prohibit the use of surface preparation and cleaning materials based on solvent (VOC) content. Suggested Surface Preparation Procedures Although this procedure refers to a "radome" structure, the procedure is valid for other types of structures such as wing tips, drop tanks, navigational light lens, etc. The radome must be in good condition before a boot is applied. Freshly painted radomes, should be allowed to cure or dry for 48 hours at 72°F (22°C). Paint cure can be accelerated by baking the radome at 150°F (66°C) for 8 hours. [. . . ] Measure from the bottom of the boot and the base of the radome/part to ensure it is centered and properly positioned. Step 4: Use 3MTM Vinyl Tape 471 to mark three index points on the radome/part (one on the top and two on the sides approximately 90° apart) clearly establishing the center point, so the boot can be repositioned properly. Then mark three additional index points on the boot opposite of marks currently in place. Step 5: Remove the boot from the radome/part and turn the boot inside out taking care not to wrinkle the boot. Step 6: Spray the radome/part and boot with 3M Application Solution. Then place the boot back on the radome (liner will be facing up). Using thumb nail, lift edge of liner from the boot to expose a small portion of adhesive. Spray 3M Application Solution on this portion. When removing the remainder of the liner, continuously spray 3M Application Solution on the exposed boot. -3- Note: Using the radome/part as a holder for the boot is important when removing the liner. This prevents the boot from sticking to itself - making it unusable. Technical Bulletin Suggested Installation Procedures (continued) Polyurethane Protective Tape Step 7: Remove the 3MTM Polyurethane Protective Boot from the radome/part, turn inside out again. The adhesive side should be facing the radome/part. Heavily spray radome/part and boot with 3MTM Protective Tape Application Solution allowing for easy repositioning. The more 3M Application Solution used, the easier the application will be. Step 8: Apply the boot to the radome/part taking care to match the index points at the top and sides of the boot. Reposition and reapply 3M Application Solution as needed until proper fit is achieved. Remove index marks. Step 9: Reapply 3M Application Solution to the outside of the boot. Starting at the center of the radome/part, use 1-2 inch strokes with the yellow squeegee to smooth out the boot - removing the trapped 3M Application Solution and air bubbles. Step 10: Continue using short strokes working your way down to the base. If a bubble is trapped, carefully peel boot back, reapply 3M Application Solution and use yellow squeegee to re-adhere. Use a clean, lintfree, silicone-free cloth to absorb the liquid at the edges of the boot. This helps the edge of the boot to stay attached to the surface of the radome/part. Note: Small bubbles (>1/8 inch) will evaporate by themselves in less than one week. These small bubbles can be removed by using a small 1 cc syringe if necessary; however, this procedure should be kept to an absolute minimum and should not be used in the center, blunt frontal area of the boot. Step 12. Small water bubbles trapped under the Polyurethane Protective Boot may be removed by using a small 1 cc syringe if necessary. This procedure should be kept to an absolute minimum and should not be used in the center, blunt frontal area of the Polyurethane Protective Boot, is is preferable to pull the Polyurethane Protective Boot back and reapply as described in step 10. Step 11: Dry the surface of the boot with a clean cloth. [. . . ] Return partially used rolls to the shipping carton. Shelf life: Two (2) years from date of manufacture. Refer to Product Label and Material Safety Data Sheet for health and safety information before using this product. For additional health and safety information, call 1-800-364-3577 or (651) 737-6501. In the U. S. , call toll free 1-800-235-2376 or fax 1-800-435-3082 or 651-737-2171. [. . . ]