QJ341 Operator's Manual - Crushing TigersJan 1, 2011 . . All data and information in this manual may be changed ... Automatic Operation - Additional Control Screen . Control Feeder by Engine and Crusher Load .. 6.10.20. Track Tension - Check . Jaw Guards - Remove.pdf opretion manual of 20 x12 sayaji jaw crusher,QJ340 Crusher Manual.book - Crushing TigersJan 1, 2010 . All data and information in this manual may be changed .. 1.11 Personnel Qualifications, Requirements and Responsibilities- - - - - - 20.