Translations:KAVAN Vinx free flight glider 600mm kit - Instruction manual/25/en

From KAVAN RC Wiki

14. Apply three layers of protective dope (diluted 1:1) to the fuselage, sand with No. 360 sand paper after each layer (except for the last one). Insert the T3 wing seat to the fuselage and secure it with the T8 pin - the T3 wing seat has to swing on the pin without any binding.