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Important Letters/Documents

 

Dated

Letter/Document No. Description
23.03.2022 EL/3.2.172 Mechanical Rehabilitation of Traction motor type HS15250A
16.11.2020 EL/2.2.13 Letter along with MoM for Discussion held on 12.11.2020 on Mechanical items failures of Traction motor type 6FRA-6068 TMs with TM manufacturers.

13.11.2020

Excel Format

EL/4.2.15/Gen Letter regarding Quarterly Performance of Microprocessor based control and fault diagnostic system (MPCS) for 25 KV AC electric locomotives.
05.03.2020 EL/3.1.35/12(SB)

Uses of spheriblocs in three phase Electric Locomotives.

12.02.2020 EL/3.1.35/16

Revision of Periodicity of major schedules (TOH & IOH) of WAP5 locos in line with WAP7 Locomotives.

12.02.2020 EL/3.1.35/16

Replacement schedule of spheriblocs in coaching locos.

29.07.2019 EL/3.1.10/1

Provision of water closet in WAP-4 and WAG-7 Electric locomotives.

08.07.2019 EL/3.1.35/2 (Bogie-3Ph)

Instructions for improving the reliability of motor supports of bogies of WAP7/WAG9/WAG9H

25.06.2019 EL/4.2.15/EoTT Functional Requirements Specification of End-of-Train Telemetry (EoTT)System for Indian Railways
21.06.2019 EL/11.5.5/8

RDSO guideline  No. EL/G/2008/01 Rev.4 regarding Rehabilitation of PCB Cards

03.06.2019 EL/1.2.9.1

Development of 2 x 130 KVA Static Converter(SIV), for Conventional Electric locomotive.

23.04.2019 EL/20.03.2013 Problem faced in operation of triple loco in MU operation

10.04.2019

Excel Format

EL/2.2.13

Performance feedback report of Traction Motor & Motor Suspension Unit bearings for Electric Locomotives

01.04.2019

EL/3.2.15/3-phase

Approval of delivery hose coupling (Rubber hose SAE 100 R1) of compressor Model RR2O1OO CGM.

28.01.2019 EL/1.3.10

Performance feedback report of Traction motor & Suspension tube bearings for WAG9/WAP7/WAP5 locomotives.

10.10.2018 EL/3.2.19/3-Phase

Workshop on Brake System held at ELS/AQ/CR on 22.09.2018.

27.09.2018 EL/3.2.108/Axle Code of procedure(MC-172) for WAP5 axle fitted with direct drive arrangement.
12.09.2018 EL/1.2.9.1 Provision of 2 X 130 KVA SIV in conventional locos.
01.08.2018 EL/2.1.8 Minutes of Meeting for 62nd Electrical Standards Committee meeting of Electrical Engineering of IR
05.07.2018 EL/3.1.35/2 (Brake Lever) Provision of conventional brake rigging arrangement in WAG9/9H type of Electric Locomotives.
03.07.2018 EL/2.2.13

Letter alongwith Minutes of Meeting of performance review meeting of bearings of traction motor & MSU for Electric Locomotives held at RDSO on 30.05.2018

03.07.2018 EL/4.2.15/Gen

Letter alongwith Minutes of Meeting for development of sources for repairing of electronic cards/components of Microprocessor based control and fault diagnostic system (MPCS) held at RDSO on 2.7.2018.

12.06.2018 EL/4.2.15/Gen Minutes of Performance Review Meeting of Microprocessor based control and fault diagnostic system (MPCS) held at RDSO on 30.05.2018.
31.05.2018 EL/3.2.119/3-Phase(TBU)

Letter for Special Maintenance Insructions(SMI) no. RDSO/2007/EL/SMI/0251(Rev.2) for Testing of Weigand speed sensor fitted with traction motor in WAG9, WAG9H, WAP7 & WAP5 locos.

19.04.2018

Excel Format

EL/2.2.13 Letter for meeting on 30.05.2018 regarding performance feedback report of traction motor & MSU bearings.
13.04.2018 EL/3.6.1/2

Revised perioclicity of Trip Inspection of Electric Coaching Locomotives

09.04.2018

EL/3.1.35/26

Letter regarding Technical Circular no. 145 for Interchangeability and Maintainability of Hall Effect Speed Sensors provided in IGBT based 3-phase electric locomotives.

04.04.2018 EL/3.2.19/EP Assist Letter regarding spec. no. RDSO/2018/EL/SPEC/0138(Rev’0’) for EP Assisted Brake System for 3-Phase Locomotives Application Compatible with EP Assisted Brake System on Coaches
22.03.2018 EL/1.2.9.1 Letter of Performance Review Static Converter(SIV) as Technical Presentation
22.03.2018 EL/1.2.9.1 Letter for Performance Review Static Converter(SIV)
21.03.2018

EL/1.2.9.1

Letter alongwith Minutes of Performance Review Meeting of 180 KVA Static Converter held at ELS/TKD/WCR on 16.03.2018
09.03.2018 EL/2.2.13 Letter alongwith MoM regarding supply issues for bearings of Traction Motor/MSU/Axle box held at RDSO on 09.03.2018
19.02.2018 EL/3.2.19/3Phase/EP-Assist  EP Assisted brake system for 3 phase electric locomotives.
12.02.2018 EL/3.2.15/Main

Provision of under slung compressor of capacity 1000 lpm in wAG-7 loco nominated for regenerative braking.

30.01.2018 EL/3.2.19/3-Phase

Minutes of Meeting to discuss reliability issues of E-70 Brake system of M/s FTRTL held at RDSO Lucknow on date 29.01.2018

26.12.2017 EL/3.1.28(DML) Letter for issuing of Technical specification no. RDSO/2017/EL/SPEC/0136(Rev’0’) for Dual Mode Shunting Locomotive (DMSL).
01.11.2017 EL/3.2.19/3-phase(CCB)

Minutes of meeting held at RDSO on 01.11.2017 to discuss reliability related issues of CCB brake systems provided in three phase electric locomotives.

16.10.2017 EL/3.2.19/7 

Letter alongwith Minutes of Meeting dated 13.10.2017 on Non availability of spares of brake equipment from M/s Stone India limited on 13.10.2017 at RDSO.

06.10.2017 EL/2.2.1/High Reach 

Letter alongwith Minutes of Meeting dated 05.10.2017 on development of High Reach Pantograph

25.09.2017 EL/3.2.19/3-Phase/CCB  MOM held at ELS/HWH ON 06.09.2017 with M/s KBIL on issues og CCB brake system.
22.09.2017 EL/3.2.19/3-Phase MOM to discuss reliability issues of E-70 brake system of M/s FTRTIL HELD AT rdso Lucknow on dated 18/08/2017.

19.07.2017

EL/4.2.15/Gen

 

Minutes of Performance Review Meeting of Microprocessor based control and fault diagnostic system (MPCS) held at RDSO on 11.07.2017

18.07.2017

EL/2.2.70

Minutes of Performance Review Meeting of Carbon Brushes for Hitachi TMs held at RDSO on 11.07.2017

18.07.2017

EL/1.2.9.1

MoM dated 11.07.2017 

 

Letter regarding Performance review meeting of Static converter (SIV).

 

MoM dated 11.07.2017 pertains to performance review of 180 KVA Static Inverter. 

12.06.2017

EL/3.2.19/3-Phase/CCB

Minutes of Meeting to discuss reliability related issues of Computer Controlled Brake system (CCB) of M/S. KBIL held at RDSO Lucknow, on date 05.06.2017

31.05.2017

EL/3.1.35/16

Amendment to maintenance schedule of three phase electric locomotives.

15.05.2017

EL/1.2.9.1

Performance review meeting of Static converter (SIV) & Microprocessor Based fault Diagnostic system (MPCS)

11.05.2017

EL/2.2.13

Minutes of Meeting of Workshop-cum-seminar held at ELS/TKD on 27.04.2017

08.05.2017

EL/1.2.9.1

    MOM

Letter regarding Minutes of performance review meeting of 180kva Static inverter held at RDSO on 28.04.2017.

24.03.2017

 EL/2.2.13

Excel Format

Performance of traction motor & MSU bearings for Electric Locomotives.

 

21.03.2017 1.2.9.1/HIND Minutes of Meeting with M/s Hind Rectifier of 180KVA Static converter held at RDSO on 20.03.2017.

07.03.2017

EL/3.2.182

Minutes of Review Meeting on 3 Phase Traction Motors held at RDSO on 7.2.2017

02.03.2017

EL/4.2.15/Gen

Minutes of Performance Review Meeting of Microprocessor based control and fault diagnostic system (MPCS) held at RDSO on 07.02.2017.

17.02.2017 EL/4.2.15/Gen Online submission of SMI/TC/MS compliance.
06.12.2016 EL/0.2.2

Prevention of Fire on Conventional AC/ AC-DC Electric Locomotives.

24.11.2016 EL/2.2.13

Covering letter alongwith Minutes of workshop held at Electric Loco Shed, Ajni on maintenance practices of 3-phase traction motors & MSU bearings.

08.11.2016 EL/3.2.172 Special Maintenance Instruction no. 301 to "Use of induction heater for heating of END shield/end frames of traction motor for bearing fitment."
08.11.2016 EL/ESC/61st MOM of 61st ESC meeting held at Gangtok Northeast Frontier Railway on 16th and 17th September 2016.
26.10.2016 EL/1.3.10/3 Measurement of ‘C’ clearance of MSU assembly of 6FRA-6068 TM
20.10.2016 EL/1.2.9 Letter to Amendment no -2 of specification for single phase to three phase static converter with Soft start feature.
19.10.2016 EL/3.6.1/1

Increase in periodicity of Maintenance. schedule of locos including TOH of locos.

06.10.2016

EL/3.2.19/3-Phase

Letter for SMI No. 298 Technical scope of work for Annual Maintenance Contract (AMC) of brake system fitted in 3-phase electric Locomotives

06.10.2016

EL/3.2.15/3-Phase

Letter for SMI No. 299 for Technical Scope of work for Annual Maintenance Contract (AMC) for 1750 LPM capacity lubricated reciprocating compressors of Electric Locomotives. 

28.09.2016

EL/2.2.13

Letter on Technical Audit Report no. RDSO/2016/EL/TAR/0011 Rev.‘0’ for Electric Loco Shed Ajni Central Railway for maintenance of three phase traction motors

26.09.2016

EL/3.2.19/(G)

Reduction of Brake Cylinder Pressure on WAG-7 and WAG-5 loco provided with L type composite Brake Block.

02.09.2016

EL/2.2.13

Letter of Technical Audit Report no. RDSO/2016/EL/TAR/0010 Rev.‘0’   of Electric Loco Shed Howrah, Eastern Railway For Maintenance of Traction Motors.

01.09.2016

EL/2.2.13

Performance feedback report of Traction Motor Bearing (NU224 & NJ219) used in 6FXA7059 traction motors

01.09.2016

EL/2.2.13

Performance feedback report of traction motor bearing(NU2236 &NJ320) used in 6FRA6068 Traction Motors

    01.08.2016

EL/4.2.15/SIL

Minutes of Performance Review Meeting of Microprocessor based control and fault diagnostic system (M PCS) of M/s Stone India limited make held at RDSa on 20.07.2016.

26.07.2016

EL/3.2.182(MRVC-I)

Observations of Member Electrical during his visit to TMW, Nasik Road.
20.07.2016

EL/1.3.10/3

Letter for Technical Audit of KPA Workshop for maintenance of TM/MSU bearing maintenance at Kanchrapara, ER

18.07.2016

EL/3.2.172/1

Letter regaring filling of Data by Railways in “Failure Reporting Software” of RDSO

05.07.2016 EL/3.2.19(3-Phase)

Letter for Technical report no. 168 on reliability issues of Brake system of Three phase Electric locomotives.

05.07.2016 EL/3.2.70

Minutes of Performance Review Meeting of Carbon Brushes for Hitachi TMs held at RDSO on 27.05.2016

30.06.2016 EL/3.2.66

Minutes of Performance Review Meeting on Breakage of Armature Shaft for Hitachi TMs held at RDSO on 27.05.2016

29.06.2016 EL/2.2.1/1

Letter for SMI no. 292 on analysis of panto broken cases affected punctuality on Electric Loco account.

27.06.2016

EL/2.2.70

Letter with details for approval of Grades of Carbon Block for Traction Application

30.05.2016

EL/3.2.19(3-Phase)

Minutes of Meeting(MOM) held at RDSO with M/s FTRTIL representatives on dated 05.05.2016

24.05.2016

EL/4.2.15/Repair

Letter for below linked Functional Requirement Specification (FRS) and Schedule of Technical Requirement (STR) for repairing of Microprocessor based control and fault diagnostic system (MPCS) for conventional 25 KV ac electric locomotives.  FRS-15 Rev’0’        STR-84 Rev’0’

19.05.2016 EL/3.1.14

Letter for MS 450 for deactivation of Vigilance Control Device (VCD) acknowledge from Asstt. Loco Pilot side on Electric locomotives.

17.05.2016

EL/4.2.15/Gen

Technical Scope of work for Annual Maintenance Contract (AMC) of Microprocessor based Control & fault diagnostic System (MPCS) fitted in conventional  tap changer electric locomotives

17.05.2016

EL/1.2.9.1

Letter for Technical Audit Report (TAR) No. 006 of maintenance practices of pantograph for electric locomotives.

TAR no. 06 may be downloaded by following path:- www.rdso.indianrailways.gov.in → Directorate → Electric Loco →Technical Audit Reports

10.05.2016

EL/1.2.9.1  

Guideline regarding annual maintenance contract (AMC) of static inverter (SIV) fitted in conventional tap changer electric locomotives.

 06.05.2016

EL/3.2.182

Reminder letter for Performance feedback report of stators and rotors of 6FRA6068 used in locomotive type WAG9/WAP7.

Letter dated 12.01.2016 alongwith Format for submission of performance and population .

03.05.2016

EL/3.2.15/3-Phase

Letter regarding SMI 242 Rev’1’ for Maintenance Practices of Under slung Compressor mounted on WAP-5, WAP-7 & WAG-9 class of Electric Locomotive to avoid falling down of the compressor unit on line. Standardization of safety sling arrangement of under slung compressor mounted on WAP-5, WAP-7 & WAG-9 class of Electric Locomotive.

29.04.2016

EL/1.2.9.1(Siemens)

Letter regarding MS 452 for Isolation of K-8 contactor in Battery Charger of Siemens make SIV

29.04.2016 EL/1.2.9.1(Siemens)

Mounting guideline and maintenance instruction of SCD of M/s Siemens

28.04.2016

EL/4.2.15/Gen

Minutes of Performance Review Meeting of Microprocessor Based Control & Fault Diagnostic System (MPCS) held at RDSO on 06.04.2016

25.04.2016

EL/3.2.15/Oil free

Letter regarding MS No. 451 for provision of 2 Nos. of oil free compressors of 1750 LPM each onboard mounting in WAP-4 class of Electric Locomotives with modified cab fed by 180 KVA SIV.

22.04.2016 EL/1.2.9./(Siemens)

Meeting with M/s Siemens organized on 07.04.2016 regarding 180 KVA Static Converter.

21.04.2016

EL/3.2.15/3-Phase

(TOH) Overhauling Kit for Compressor Model RR20100 of M/s ELGI for 3-Phase Electric Locos

12.04.2016 Nil

Immediate Measures to be taken to improve the reliability of SIV and MPCS of conventional locomotives.

Apr’2016 TSD Trouble Shooting Directory(TSD) Rev’9’ April’16 of three phase loco

31.03.2016

EL/2.2.13

Letter for Technical Audit of ELS/GZB for maintenance of bearing of 3-phase locomotive Traction Motors.

30.03.2016

EL/1.2.9.1/AAL

Modification for replacement of cooling fan motor of 180 KVA Static Converter supplied by M/s AAL/Noida for conventional electric locomotives.

23.03.2016

EL/3.2.19/3-phase

Minutes of meeting held at RDSO on date 08.03.2016 with Zonal railways & firm’s representatives

21.03.2016

EL/3.2.19/3-phase

Letter regarding MS No. RDSO/2016/EL/MS/0447(Rev.0) for removal of anti spin valve on E-70 & CCB and flange lubrication manifold of E-70 from 3-phase electric Locomotives.

16.03.2016 EL/3.1.10.1/1

Provision of Water Closet in Electric locomotive(WAP-4/WAG-7). Spec.121 for Water Closet.

22.02.2016 EL/2.2.13 Compliance of minutes of performance review meeting of 3 Phase traction motor bearings held at ELS/TKD on 20.8.2015.
19.02.2016 EL/3.2.66 Metallurgical Investigation Report of broken Armature Shaft of Hitachi TM.
18.02.2016 EL/2.2.13 Replacement of three phase Traction Motor bearings.
12.02.2016 EL/2.2.13 Metallurgical Investigation report of ‘LB’ make socket head screw used in MSU Tube of 3-Phase Locomotives.

25.01.2016

EL/4.2.15/Gen

Excel Format

Excel Format Rev’2’ for Quarterly performance of MPCS.

18.01.2016

EL/2.2.13

Technical audit report for three phase TM bearing and motor suspension unit at CLW

06.01.2016

EL/1.3.10

Reminder-II for Performance feedback report of MSU bearing (NU1964 & NHI044) for TM type 6FRA6068 for WAG9/WAP7

16.12.2015

EL/2.2.13

 Technical Audit on Maintenance of 3-Phase traction motors

14.12.2015

 EL/2.2.13

Compliance of minutes of performance review meeting of 3-Phase traction motor bearings held at ELS/TKD on 20.8.2015.
19.10.2015 EL/ESC/60th

Additional comments of RE Directorate(Railway Board) for 60th ESC Agenda

Agenda for 60th meeting of Electrical Standards Committee at Ooty, SR on 26th & 27th October - 2015

13.10.2015

 EL/4.2.15

Minutes of Performance Review Meeting of Microprocessor Based Control & Fault Diagnostic System (MPCS) held at RDSO on 29.09.2015

31.08.2015 EL/3.6.1/1 Revision of AOH periodicity of Conventional Freight Electric Locomotives.

28.08.2015

EL/2.2.13

Minutes of Meeting held at ELS/TKD on reliability issue of three phase Traction motor bearings on 20.08.2015.

 17.08.2015

EL/3.1.35/16

FINAL REPORT ON MID TERM REHABILITATION OF THREE PHASE ELECTRIC LOCOMOTIVES, August’2015

 05.08.2015

EL/2.2.13

Performance feedback report of traction motor bearing (NU224 & NH219) used in 6FXA7059 TM

 05.08.2015 

EL/2.2.13

Performance feedback report ofMSU bearing (NU1964 & NHI044) for TM type 6FRA 6068 for WAG9/WAP7

 04.08.2015

EL/3.2.20 

Service Performance of M/s Saitronik Electric Equipments/ Hyderabad Make Stick Type master controller (STMC) for tap changer type 25 KV AC electric locomotives.

04.08.2015

 EL/3.1.14/Stesalit

Minutes of performance review meeting of VCD held at ROSO on 28-07-15

 03.08.2015 EL/2.2.13

Performance feedback report of traction motor bearing(NU2236 & NJ320) used in 6FRA 6068 Traction motor.

14.07.2015

 Nil

Minutes of Implementation Review Meeting of Microprocessor Based Control & Fault Diagnostic System (MPCS) version 3 held at RDSO on 09.07.2015

19.03.2015

 EL/4.2.15

Minutes of Performance Review Meeting of Microprocessor based control and fault diagnostic system (MPCS) held at Electric Loco Shed Itarsi on 26.02.2015. 

21.01.2015

 EL/3.2.20

Development of specification and sources of Stick type master controller for 25 kV tap Changer electric locomotives

 09.07.2013

EL/4.2.15

Policy on Introduction of MPCS Ver-3 and Implementation of Remote monitoring and analysis (REMAN_EL) for MPCS ver-2 fitted 25 kv tap-changer electric locomotives.

05.06.2013

EL/3.1.35/16

Cleaning of oil_cooling_radiator of Three phase Electric Locomotives

29.01.2013 

EL/3.1.35/2(Elect.)

Failure of Loco no.-31148’ WAG-9, LGD on W.Rly. on 02.01.2013

28.12.2012 

EL/11.5.5/5

Use of 8 Ampere Rating reed relay in Digital I/O board (URB512D15) used in VCU of 3-Phase Electric Locos.

12.02.2012 

 EL/3.1.35/16

Covering letter for Maintenance Schedule of 3-Phase Locos

 

a. 

   Revised major maint schedule

 

b. 

   Revised minor maint schedule

 

c.

   Revised must change items

04.05.2011

 EL/3.2.19/5

Use of medium phosphorous Brake blocks(Cast iron brake blocks) in WAG-5/WAM-4 Electric locomotives.

31.12.2009

SV.IB

Instruction bulletin No MP.IB.BD (02.16.01) (Rev1)  on "Wheel Wear and Application Management"

 



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