ACT (RS) ABB Loco (English) (44. MULTIPLE UNIT OPERATIONS)

10-01-2021

Multiple Unit Operation Multiple operation with two locomotives In multiple operations a maximum of two locomotives can be operated. Both must be directly coupled to one another. They must not be separated by a carriage. While in motion, the front driver’s cab is usually activated. When linking up or in unusual situations, it is also possible to control the locomotives from another driver’s cab. The train bus configuration for multiple operation is only possible from the driver’s cab at the uncoupled end. A configuration from a rear driver’s cab is referred to as single-unit traction. The train bus automatically checks the configuration : The leading manned locomotive

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ACT (RS) ABB Loco (English) (30. REGENARETIVE BRAKING)
January 10, 2021

Releasing Parking Brake 1.Press BPPB illuminated red button once red lamp will get extinguished and 6 kg/cm2 pressure enter in parking activators which can seen in PB gauge indicating that PB are released OR 2.Press “Release” push button on parking brake solenoid 30, BPPB red lamp will extinguished, air will be admitted in parking

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ACT (RS) ABB Loco (English) (29. ANTI SPIN BRAKE & PARKING BRAKE)
January 10, 2021

Anti Spin Brakes The principal of the anti-spin brake is to provide the traction equipment, with means to obtain a rapid yet light brake application to the driving wheels. The friction thus generated between the brake shoes and the tyres immediately absorbs the torque, which is in excess of the value that can be absorbed by the normal

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ACT (RS) ABB Loco (English) (28. BRAKE SYSTEM)
January 10, 2021

Brake System There are 5 types of brakes available on this loco. 1. Automatic Train Brake (Pn) 2. Direct Brake (Pn) 3. Parking Brake (Spring Loaded) 4. Anti Spin Brake.(Pn) 5-Regeneration Brakes.(Elect) Note: All the brake system functions are monitored by brake electronics and if there is any wrong configuration, the brake

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ACT (RS) ABB Loco (English) (27. PROGRAME SWITCHES )
January 10, 2021

PROGRAME SWITCHES  152 Rotary switch Failure mode operations Position 0- Normal Position - Fine control throughout the range 1- Failure mode - Fine control in steps through aux.contacts  When throttle is not responding then Driver can keep this switch from 0 to 1 and now same throttle will respond, called failure mode

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ACT (RS) ABB Loco (English) (26. PASSING NEUTRAL SECTION)
January 10, 2021

PASSING NEUTRAL SECTION ( SU )  Before approaching neutral section: 1-Ensure that MR pressure is between 8.5 to 10 kg/cm2 2-Bring TE / BE throttle to ‘0” gradually before 250M board. 3-At DJ open board, open DJ by BLDJ, LSDJ will glow, Aux. sound will stop, but U meter will show OHE supply. 4-At actual neutral section

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ACT (RS) ABB Loco (English) (25. VIGILANCE CONTROL DEVICE)
January 10, 2021

Automatic Vigilance Control System  VCD is meant for checking and keeping the driver alert. It is a safety device. A foot switch of VCD is provided below driver’s desk in each cab, also press button ‘BPVG’ is provided on drivers’ desk on Asst. side. Driver/Asst. driver is expected to activate VCD within every 60 seconds interval

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