DIESEL LOCO – Safety Devices

05-01-2021

DIESEL LOCO - 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 - If OSTA trips during transition, reduce one notch. If OSTA trips on higher notches, work on lower notches. If OSTA trips

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ACT (RS) ABB Loco (English) (39. FLASHER LIGHT)
January 10, 2021

Flasher light  1. Automatic flasher light system is provided 2. One additional flasher light unit is provided in cab at Asstt side, ensure that switch provided on it is at ON 3. To switch on the flasher rotate the switch provided on panel –C 4. Note that flasher glows only when CE is ON or in cooling mode. 5. If on line CE gets

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ACT (RS) ABB Loco (English) (38. RESETTING OF MCB)
January 10, 2021

Resetting of MCB Sometimes MCB trips momentarily without any equipment failure. Drivers should try to reset MCB once. While  resetting ABB make MCB, resetting screw below the respective circuit breaker turns to horizontal position from initial vertical position. This screw should be turned to vertical position first and then, MCB should  be

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ACT (RS) ABB Loco (English) ((37. ACTIVE FUNCTIONS WITH DEACTIVATED DRIVER’S CAB)
January 10, 2021

Active functions with deactivated driver’s cab  While the cab deactivated , the following functions remain operative. 1. MEMOTEL functions 2. Catenary voltage display 3. Emergency brake cock on assistant driver’s side 4. Cab and desk lighting 5. Windshield wipers 6. Fault display screen 7. Marker lights switches 8. Cab venting

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ACT (RS) ABB Loco (English) (36. CONTROL ELECTRONICS)
January 10, 2021

Control Electronics All functions of the locomotive are controlled by the control electronics. It takes the form of bus stations with processors. The bus stations communicate with each other via fiber optic Cables which are resistant to the effects of Electro Magnetic Interference The diagnostic equipment comprises a diagnosis computer with

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ACT (RS) ABB Loco (English) (35. SANDING)
January 10, 2021

Sanding Sanding is done automatically on leading wheels when 1. Pressing ‘foot switch’ of sander. 2. Anti spin device activated. Note :-Don’t press PSA continuously, but press and release it. Continuous sanding is not possible, If PSA pressed continuous for 1 minute, then dead mans penalty brakes will apply. 10-12 sec pause is

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ACT (RS) ABB Loco (English) (34. MEMOTEL)
January 10, 2021

Memotel (Speedometer) For indicating the speed of the loco, memotel type speedometer is provided in both the cab. Speed is indicated by both needle as well as LCD screen of SPM.  For Data entry one push button “A” is provided on SPM When push button ‘A’ is pressed repeatedly following function done.(8 digits) in sequence. 1.

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