DRIVETRAIN-TA65 Star 21 5.6. B. CONSTRUCTIONAL DETAILS Clutch is a mechanism interposed between engine and the Transaxle which enables engine power as well as torque of the engine to be transmitted to the transaxle through friction drive. When clutch pedal is depressed the clutch is disengaged and therefore motion and power flow from engine to Transaxle and hence to road wheels is disconnected. It is a single disc dry friction type clutch having 200 mm dia. clutch disc. Clutch pressure plate assembly is diaphragm spring type. Clutch actuation is through mechanical linkages (cable). 5.6. C. FACTORS AFFECTING CLUTCH WEAR The clutch is designed to give maximum life under most severe conditions when handled carefully. However, while in operation, clutch lining is subjected to wear. Apart from this the extent of wear also depends on following. DRIVING Following driving conditions will affect the performance of the clutch. i. Clutch riding Using clutch pedal as foot rest by keeping foot constantly on pedal while driving will cause partial clutch disengagement. It will result in slipping of the clutch disc and premature failure of the clutch. ii. Permitting the clutch to slip too long Half clutch driving and thereby permitting the clutch purposely to slip too long will have the same result as above. iii. Permitting the clutch to jerk Sudden clutch engagement at higher engine speed specially while moving out the stuck car will cause severe instantaneous clutch loading, resulting in clutch slippage and burning of the lining locally. Starting the car in first gear under such conditions will avoid such problem. Always start the car in first gear. iv. Restarting on gradient: While restarting the car on gradient, make use of parking brake. Half clutch driving while restarting on the gradient will cause premature damage to clutch.
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