Layed out & cut 59 mm hole in fuel tank (7V11-1K) for sending unit with snips & nibblers.Asjusted length of fuel sending unit P/N 226 002 (1551 004 257A) VDO per manufacturers instructions. Tank depth 6.0", sender length 3.0", float arm 3.5". Layed out and drilled hole in rib # 1 for fuel line & bottom skin for sump drain.
