WDG-3A – सेफ्टी डिवाइस ( Safety Devices )

04-01-2021

 Safety Devices  Safety devices are provided for the safety of the engine & loco. They are 1. Over Speed Trip Assembly (OSTA) - It is located on engine right side free end. It protects the engine from over speeding. On 8th notch the engine rpm is 1050. Due to any reason engine speed exceeds up to 1180 ± 20 rpm, OSTA will operate, fuel rack comes to zero and engine will shut down without any indication. Two handles are provided on OSTA, small is trip handle and big is reset handle. To reset OSTA, pull reset handle gently. Note -  1. If OSTA trips during transition, reduce one notch. 2. If OSTA trips on higher notches, work on lower notches.  3. If OSTA

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