Ashok Leyland Differential Backlash setting
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Backlash, sometimes called lash or play, is clearance between mating components, sometimes described as the amount of lost motion due to clearance or slackness when movement is reversed and contact is reestablished. For example, in a pair of gears, backlash is the amount of clearance between mated gear teeth. This gap means that when a geartrain is reversed the driving gear must be turned a short distance before all the driven gears start to rotate. A similar effect is the taking up of slack when a train starts to pull away at the station and each car bumps as its link becomes tight. At low power outputs, backlash results in inaccurate calculation from the small errors introduced at each change of direction; at large power outputs backlash sends shocks through the whole system and can damage teeth and other components. It should be less than 1/10th of module.