Bevel-helical gear Reduction Box B3 page Flender GmbH Flender MD Helical gear B3-VV-7-A

Flender/Flender Gear Units/Bevel-helical gear Reduction Box B3

or dented auger . Align auger shaft properly and repair auger dents . Inadequate crop feed to the cylinderconcave . Increase the ground speed or reduce pickup reel assembly speed 1 Unthreshed earheads in the straw . Low peripheral velocity of threshing cylinder . Increase the speed of threshing drum . Higher cylinderconcave clearance . Reduce the cylinderconcave clearancec. Low peripheral velocity of cleaning unit . Increase the speed of engine driving the cleaning unit . High blower speed . Reduce blower rpm 1 Short straw and chaff in the grain tank . Inadequate blower speed . Increase blower speed little or adjust wind board for more air 1 Cutter-bar clutch slipping . Excessive crop feed to cutter-bar auger . Reduce the machine speed . Drive chain to cutter-bar jam . Adjust the chain tension 1 Clogging elevator . Grain tank full . Drain grain from grain tank . Slackness of elevatorconveyor chain . Adjust the elevatorconveyor chain tensionc. Slippage of -belt . Adjust -belt tension . Low air velocity . Adjust the direction of air blast Source : Service/operators manuals of the following leading companies in India: Kartar Agro. Industries () Ltd., Patiala1, Punjab, India. Punjab Tractors Ltd., Near Chandigarh1, Punjab, India. Axia Eng. Co., Patiala1, Punjab, India. 1 Datta APPENDIX Abbreviations AMA Agricultural Mechanization in Asia, Africa, and Latin America ASAE American Society of Agricultural Engineers BIS Bureau of Indian Standard CIAE Central Institute of Agricultural EngineeringConn ColonelFIM Farm Implements and MachineryICAR Indian Council of Agricultural ResearchIIT Indian Institute of Technology IS Indian Standard PAU Punjab Agricultural UniversityPTO Power take offqty QuantityRNAM Regional Network for Agricultural MachineryUNDP United Nations Development Program WB West Bengal wt Weight Symbols effective cross-sectional area, As cross-sectional area of stalks under shear, m2 , lateral distances of knife bar at the end of stroke, Cd drag coefcient