Commenti: This manual covers the following JLG machine s/n's: 1930ES - USA built machines S/N 0200198014 to 0200239381 1930ES - China built machines S/N B200000100 to B200020296 2030ES/2630ES - USA built machines S/N 0200198014 to Present 2030ES/2630ES - China built machines S/N B200000100 to Present 2646ES/3246ES - USA built machines S/N 0200198014 to 0200239381 2646ES/3246ES - China built machines S/N B200000100 to B200020296