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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WDG-3A – गेजेस (Gauges )
January 4, 2021

Gauges  Following gauges are provided in loco  1. Brake Cylinder Pressure Gauge It is provided on both control stands. Brake cylinder pressure gauge shows 3.0 kg/cm² pressure on loco brake application. 2. Brake Pipe Pressure Gauge It is located on both control stands. BP pressure gauge shows 5.0 kg/cm² on A9 release condition. 3. MR

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WDG-3A व्हील स्किडिंग के बचाव हेतु क्या करे और क्या न करे (To Avoid Wheel Skidding Do’s /Don’t)
January 4, 2021

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WDG-3A – पावर ग्राउंड (Power Ground Earth)
January 4, 2021

Power Ground Earth Power Ground Earth fault occur in power circuit is called power ground. When earth faults in traction motor, traction motor cables, BKT, REV, power contactors, GR1 operates with indications. Check following items - 1. Traction motor cables are tightened properly. 2. If there are any metal or wire pieces in between

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WDG-3A – सेफ्टी डिवाइस ( Safety Devices )
January 4, 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

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WDG-3A – मल्टीपल यूनिट ( Multiple Unit )
January 4, 2021

 Multiple Unit  When two or more locomotive are coupled mechanically, electrically and pneumatically with each other and controlled by a single loco pilot, it is called multiple unit. Procedure:  1. Check and engine start the locos individually before making multiple unit. 2. Adjust all the pressure related to break system. 3.

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WDG-3A – इंडीकेशन लैम्प सर्किट (Indication Lamp Circuit )
January 4, 2021

 Indication Lamp Circuit  This circuit is provided in the diesel loco to give warning/indication to loco pilot in case of any failure in various system/circuit , a LED (Light emitting diode) indication panel is provided on both control stand and control panel having following indication lamps - One electrical bell (ALG) provided

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