Brother International LK3-B430 Service Manual - Page 39

• Y`yirjl• Clutch lever does not turn up enough. Clearance between and stopper stop cam F H Adjust clutch lever position. 27 Ball presser plate is in wrong position in longitudinal directions in low speed operation. Ball presser plate Clutch does not engage. and I machine operates continuous4 Ball presser plate is in wrong posinon in sidewise directions in low I speed operation. Ball preser plate Clutch leser spring pressure is not enough. Clutch leser spring pressure - Ball presser plate is out ofoil. Ball presser plate oil Adjust ball presser plate position I 27 Adjust ball presser plate position. 27 Adjust clutch laser spring pressure. or replace spring. 30 Supply oil to ball presser plate wick. or apply grease to it. Roller holder is in wrong position. Clearance between roller holder and roller Adjust roller holder lever position. 26 Ball presser plate is in wrong position in longitudinal directions in loss speed operation. Ball presser plate it Machine stops in low speed F,h i operation. Ball presser plate is in wrong position in sidewise direciuons in low speed operation. Clutch lever does not turn up enough. Ball presser plate Clearance between stop cam and stopper Adjust ball position. presser plate 27 Adjust ball presser plate position. 27 Adjust clutch lever position. 27 Clutch plate gets hot. Stop cam gets hot. Low-speed belt tension is not enough. Low-speed belt tension High-speed pulley is slipping in high speed operation. High-speed pulley torque d Low-speed pulley is slipping ._1 H in low speed operation. Ball preser plate position in longitudinal directions Ball presser plate position in sidewise directions Clutch lever does not turn up enough. Clearance between stop cam and stopper Adjust low-speed belt to yield about 10 mm. Adjust ball presser plate' position. or remove pulley 27 washer. Adjust ball presser plate 27 position. Adjust clutch lever position. 27 -39-