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DB No.
Year
Subject
1
2010
Repeated failures of Power assembly no. 7 in EMD engines on engine test bed & locomotives at shed.
2
2010
Inspection procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
3
2010
Turbo failures in EMD engines.
4
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.
5
2010
Crab nut torquing on EMD engines.
6
2010
Inspection procedure for fully finished Oil Pan (part no. 16020534).
7
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.
8
2011
Repair of longitudinal cracks in air-box channels.
9
2011
Failures of Accessory drive end gear train.
10
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 ) .
10-
2011
Failures of By-pass sight glass bowl in spin - in Fuel filter Assly to part no. 16050174
11
2011
Fitment procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
12
2011
Load control / regulation (LR activation) in WDG4/P4B.
13
2012
Modified inspection procedure of Air Duct LB to part no. 16080105 and Air Duct RB to part no. 16080063.
14
2012
Provision of Chamfer in ALCO M.B. Cap (Inter) to drawing no. 14A72150-4 & PL no. 10142034.
15
2012
Repair of Water leakage in Crankcase through face of Top Deck to Exhaust Elbow Joint.
16
1013
Excess Black smoke from turbo exhaust at lower notches in 12Cyl-251C (2300HP) (Sri Lanka) Engines.
17
2013
Revised design of stiffer unit camshaft segments.
18
2013
Revision of OST setting of 4500 hp HHP engine.
19
2014
Failure of Clutch Drive Asm. In the field
20
2014
Addition of 160 litres lube oil in HHP locomotive
21
2014
Measurement of Exhaust Gas temperature at turbo inlet on HHP Loco
22
2014
Scoring marks on piston observed during commissioning of new HHP Locomotives
23
  2015
  Procedure of assembly of HHP loco con rod fork bearing and con
  rod fork basket.
24
 2015
  Procedure of fitment and matching of turbocharger on HHP engines
  at Diesel sheds

 



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