Exterior repair is now complete. Proceed to interior repair instructions, following. (Procedure is
same as for exterior repair.)
Remove all dirt from area around hole to be repaired.
Wash area with Toluene.
Using a buffing tool, thoroughly buff an area 6 inches in all directions from the edge of the hole.
Remove buffing dust and wash area again with Toluene.
Under normal atmospheric conditions the adhesive will dry in 10 to 15 minutes. Excessive
humidity will require longer drying time. Use clean adhesive applicator brush.
Apply one coat of GTA-4100 adhesive to entire buffed and cleaned area around hole. Allow adhesive to dry for 10 to
Apply a second coat of GTA-4100 adhesive to buffed and cleaned area, and allow it to dry for 10 to 15 minutes.
Cut out two coated fabric patches from patch material each being 5 inches larger than the hole in all directions. One
patch for exterior repair, the other for interior repair.
Apply one patch over the exterior of the hole, as follows:
Wash one side of patch with Toluene.
Using buffing tool, buff washed side of patch.
Remove buffing dust, and wash area again with Toluene.
Apply one coat of GTA-4100 adhesive to the buffed area and allow the adhesive to dry for 10 to 15 minutes.
Apply another coat of GTA-4100 adhesive to the buffed area, and again allow to dry for 10 to 15 minutes.
Activate the adhesive on the drum body and prepared patch, by washing both with rymple cloth dipped in Toluene.
Immediately position and center patch over hole and laminate patch to the drum.
Change 5 5-37