12 Faults and remedies 12.7 Cleaning unit 67088 12.7 Cleaning unit 87905 12.7.1 Cleaning problem and remedy Observe the general warnings at the beginning of the "Trouble and remedy" chapter. 00 0293 210 2 - BA DOMINATOR 150/140/130 - 12/09 253 Malfunction Cause, remedy Cleaning unit Uneven feeding to the sieves • Ensure even feeding (cutterbar). • Clean preparation floor. • Straighten wire rakes on the preparation floor. Mat formation on frogmouth sieves • Set the frogmouth sieves to a wider position. • Increase the air blast. • Reduce threshing drum speed (broken straw). • Adjust the wind boards properly. • Set the pre-sieve deflector to another position.
Dirty grain sample • Increase the air blast. • Decrease frogmouth sieves opening. • Adjust the wind boards properly. Cleaning performance monitor deflects all the way. • Set the chaff spreader so that no chaff can be thrown on the sensor. • Check tight seat of sensor trough and sensor. Loose sensor trough - Tighten sensor trough. Loose sensor - Replace sensor trough. The cleaning performance monitor displays insuffi- cient performance. • Clean sensor trough. • Check tight seat of sensor trough and sensor. Loose sensor trough - Tighten sensor trough. Loose sensor - Replace sensor trough. Slip reported from different units • If necessary, check tight seat and correct position of cam wheels.