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Intermediate Technician's Course CLUTCH CHASSIS BASIC OVERVIEW VEHICLE STRUCTURE Rear body Cabin Lamp WHEEL & TIRE Axle 3-1 CLUTCH 1)OUTLINE AND STRUCTURE RELEASE LEVER CLUTCH DISK PRESSURE PLATE CLUTCH COVER RELEASE BEARING CLUTCH SPRING LEVER PLATE COIL SPRING TYPE CLUTCH FLYWHEEL CLUTCH COVER DIAPHRAGM SPRING RELEASE BEARING BEARING HUB CLUTCH DISK PRESSURE PLATE RELEASE FORK DIAPHRAGM SPRING TYPE CLUTCH CLUTCH FACING CLUTCH PLATE DAMPER SPRING CUSHION PLATE FRICTION SPRING SPLINE HUB DAMPER COVER FRICTION PLATE CLUTCH DISK & FACING (LINING) 1)SERVICE POINTS : Clutch (1)THE CLUTCH DISK WEAR LIMIT EXPOSED THREADED SECTION (2)MATCH MARKS ON THE PRESSURE PLATE & CLUTCH COVER MATCH MARKS (3)COMFIRMATION OF CLUTCH DISK WARP (4) MEASUREMENT OF CLUTCH SPRING FREE LENGTH (4)MEASUREMENT OF CLUTCH SPRING SQUARENESS (2) What will happen if the release lever height is not the stipulated value? Lever height is not same Clutch judder, rough start, gear noise ( when changing gears ) Lever height is not same (3) What will happen if the clutch disk is installed backward? The clutch boss will gear with the flywheel and the clutch will not be disengaged, so the engine will not start (4) What might cause a clutch disk damper spring to break? DAMPER SPRING Repeated rapid engage (5)If the clutch disk wears prematurely, what you think might cause this? Faulty adjustment, faulty driving, riding the clutch (6) What condition dose clutch slipping refer to? Vehicle can not start when carrying cargo (7) What will happen if the clutch disk is significantly warped? Clutch judder, gear noise ( when changing gears ) (8) What will cause the pressure spring free length to shorter and what symptoms will that produce? FREE LENGTH Spring distortion due to heat produced by clutch disk slipping; clutch slipping (9) What will cause the pressure plate installation load to drop and what symptoms will that produce? INSTALLATION LOAD Spring distortion,excessive pressure plate skimming, clutch slipping ... Clutch (1)THE CLUTCH DISK WEAR LIMIT EXPOSED THREADED SECTION (2)MATCH MARKS ON THE PRESSURE PLATE & CLUTCH COVER MATCH MARKS (3)COMFIRMATION OF CLUTCH DISK WARP (4) MEASUREMENT OF CLUTCH SPRING FREE... damper spring to break? DAMPER SPRING Repeated rapid engage (5)If the clutch disk wears prematurely, what you think might cause this? Faulty adjustment, faulty driving, riding the clutch (6)... bolts are not removed after the clutch assy has been installed? SERVICE BOLTS The clutch will remain disengaged and the vehicle will not be able to start SERVICE BOLTS (2) What will happen if