JET STREAM. Cascade pre-cleaner. The JET STREAM cleaning system is specially designed to handle the leading throughput of the APS Hybrid system. The dual ventilated cascade step ensures intensive pre-cleaning. An extra wind tunnel from the turbine fans directly supplies this area an intense stream of air over the full width of the pre-cleaner enabling the lighter chaff to be blown free of the grain. • Removable poly preparation floor segments • Dual-step cascade pre-cleaner with exclusive JET STREAM • Large sieves (6 ft long top sieve and 5 ft long bottom sieve) • Eight turbine fans (LEXION 780/760) • Six turbine fans (LEXION 750/740/730) • GRAINMETER 13