Kerry Ultrasonics - Plastiscon Mk. 3 KS 3007, KS 6007 and KS 1207 Manual Kerry Ultrasonics - Plastiscon Mk. 3 KS 3007, KS 6007 and KS 1207 Plastic Welders: Installation, Operator's Instruction and Maintenance Manual. Includes 3 blue prints. Manufacturers: Kerry Models: KS KS 1207 KS 3007 KS 6007 Mk. 3 Ultrasonics 3 Contents: Operators Manual Maintenance Manual Technical Drawings