The replacement of lost lipstick burner with size No. "0" burner and soft soldered rise tube from cracked Optimus No.0 . This activity is returnable for later other solution with help of hydraulic fitings M 16x1,5 . In thruth it's repair of first attempt,ther is get failed. Thread on burner get out of axis (mea culpa) and by powerfull attempt to seal is thread failed.I think in next step about hard soldered burner in fiting. Dusan.