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| Type | Commercial Circular |
|---|---|
| Topic | freight |
| Currency | Currency not verified |
FIBA is provided in the coach to apply service brake
Air Suspension Coach Air suspension in Coaches LHB Coach with Air Suspension Air Suspension Vertical Shock Absorber Levelling Valve Horizontal Lever Installation Lever Levelling valve allows air to or exhausts air from Air bellows to maintain uniform level FIBA Device FIBA Failure Indication and Brake Application Device Necessity for FIBA Supply for air spring is taken from FP • loss of compressed air from the system not immediately noticed • Unsafe train operation due to exhaust of compressed air • Delay in identifying the cause FIBA is provided in the coach to apply service brake automatically in the event of failure of air spring Line diagram for FIBA in coach Indication of failure by FIBA • Automatic BP dropping through FIBA unit 8 mm choke exhaust & brake application on the train • FIBA brake indicator on either side of coach for each bogie • Audio sound from the FIBA device FIBA Testing COC for individual Air Suspension of Bogie FIBA Unit FIBA Indicator FIBA Indicator FIBA Unit FIBA in Double Decker Coaches • When the train brake application is identified, Loco pilot should make service application. • Locate the coach with ruptured bellow through FIBA Indicator and hissing sound. • Close BP COC on branch pipeline connected to FIBA unit Procedure for attending FIBA Unit Close BP COC for FIBA Press both Buttons in FIBA Unit FIBA Indicator – Red if FIBA acted Resetting in this type FIBA Ensure FIBA indicator turns to green. Close BP COC of FIBA unit Resetting in this type FIBA Rotate the knob in FIBA Unit FIBA Indicator – Red if FIBA acted Ensure FIBA indicator turns to green. • Isolate the Bogie isolating cock of the Air spring which is provided between the MR and the Bogie. • Ensure both springs air is vented and coach is sitting on the emergency springs without any tilt. • Continue the journey with speed limit of 60 Kmph. • Inform PRC / Section Control Procedure for attending Close Air Suspension Isolating COC of concerned Bogie FP COC for MR (FIBA) Reservoir MR (FIBA) Reservoir
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