|
DB No.
|
Year
|
Subject
|
|
|
2010
|
Repeated failures of Power assembly no. 7 in EMD engines on engine test bed & locomotives at shed.
|
|
|
2010
|
Inspection procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
|
|
|
2010
|
Turbo failures in EMD engines.
|
|
|
2010
|
Inadequate water head generated by water pumps fitted with indigenous make impellers on G4 Engines, resulting in improper cooling & failures of power assembly no.7.
|
|
|
2010
|
Crab nut torquing on EMD engines.
|
|
|
2010
|
Inspection procedure for fully finished Oil Pan (part no. 16020534).
|
|
|
2010
|
Inadequate machining allowance. Dimensional deviation in retainer forgings causing fouling of the welding arm, improper flatness of the CRV pad mounting surface of retainer forgings leading to various problems during fabrication of Crankcase in Block shop /DLW.
|
|
|
2011
|
Repair of longitudinal cracks in air-box channels.
|
|
|
2011
|
Failures of Accessory drive end gear train.
|
|
|
2011
|
Power assembly component failures involving damages to valve bridge assemblies, rocker am assemblies, cam lobe scouring, valve droppage cases, cylinder head fire-face cracks, piston crown damage etc. ( repoted by Zonal railways ) .
|
|
|
2011
|
Failures of By-pass sight glass bowl in spin - in Fuel filter Assly to part no. 16050174
|
|
|
2011
|
Fitment procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
|
|
|
2011
|
Load control / regulation (LR activation) in WDG4/P4B.
|
|
|
2012
|
Modified inspection procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
|
|
|
2012
|
Provision of Chamfer in ALCO M.B. Cap (Inter) to drawing no. 14A72150-4 & PL no. 10142034.
|
|
|
2012
|
Repair of Water leakage in Crankcase through face of Top Deck to Exhaust Elbow Joint.
|
|
|
1013
|
Excess Black smoke from turbo exhaust at lower notches in 12Cyl-251C (2300HP) (Sri Lanka) Engines.
|
|
|
2013
|
Revised design of stiffer unit camshaft segments.
|
|
|
2013
|
Revision of OST setting of 4500 hp HHP engine.
|
|
|
2014
|
Failure of Clutch Drive Asm. In the field
|
|
|
2014
|
Addition of 160 litres lube oil in HHP locomotive
|
|
|
2014
|
Measurement of Exhaust Gas temperature at turbo inlet on HHP Loco
|
|
|
2014
|
Scoring marks on piston observed during commissioning of new HHP Locomotives
|
|
|
2015
|
Procedure of assembly of HHP loco con rod fork bearing and con
rod fork basket.
|
|
|
2015
2019
|
Procedure of fitment and matching of turbocharger on HHP engines
at Diesel sheds
|
|
|
2017
|
Test & Inspection Procedure for performing in-service cleaning of severly carbon plugged exhaust nozzle & turbine on HHP turbocharger at Diesel sheds
|
|
DB/01/2017/03 |
2017 |
Design change in Hose Assembly (PL no. 16241411 & 16241423) used in Governor Booster Pump. |
|
DB/01/2017/02 |
2017 |
Design Change in Oil Separator/Ejector Application to Part No 16060441. |
