Important TECHNICAL BULLETIN for all HR28 owners. Please click on the PDF link in your preferred language below for further details: Title File Size pdf TB0121 001 Dansk 260.48 KB pdf TB0121 001 Deutsch 265.51 KB pdf TB0121 001 Français 274.66 KB pdf TB0121 001 Nederlands 262.59 KB pdf TB0121 001 Suomi 267.45 KB pdf TB0121 001 Svenska 263.26 KB pdf TB0121 001 UK 257.18 KB Previous Bulletin HR28 Technical Bulletin TB0118