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Master list of Technical Circulars

 

TCs of Electric Locos

 

S.No.

Tech. Circular No.

Description

Date

File No.

1.      

TC/1

Repair method of bogie frame

7.2.97

EL/3.2.13

2.      

TC/2

Specification for Pantograph wearing strips

13.6.97

EL/2.2.25

3.      

TC/3

Provision of 389/415 volts lighting arrestor across AO-A1 auxiliary winding of the transformer

9/10.10.97

EL/2.2.23/1

4.      

TC/4

Holding capacity of Electric Loco shed

15.5.97

EL/3.6.4/Shed

5.      

TC/5

Procedure for movement of dead WAP5/WAG9 locomotive.

5/7.11.97

EL/3.1.5/2

6.      

TC/6

Over loading of traction motors on WAG7 locomotive

26.11.97

EL/3.1.38

7.      

TC/7

Derailment of WAM4 Electric Loco –Remedial action to be taken

2.12.97

EL/3.2.165

8.      

TC/8

Wheel skidding on WAG9 Locomotives

18.12.97

EL/3.1.35/2

9.      

TC/9

Revised setting of QLA relay

7.1.98

EL/3.2.10/GEN

10.  .

TC/10

Maximum operating current of light capacity DBRs.

19.1.98

EL/3.2.29

11.   

TC/11

Materials for the pins and bushes in the brake rigging of electric Locomotives.

28.1.98

EL/3.2.13

12.  .

TC/12

Rolling down of trains

4.2.98

EL/3.2.19

13.   

TC/13

Working of  senders on  WAP5 Locomotives 

24.2.98

EL/3.1.35/2

14.  .

TC/14

Working of WAP5 Locos in   adverse weather conditions.

10.3.98

EL/3.1.35/2

15.   

TC/15

Working of WAP5/WAG9 Locos under varying OHE voltage conditions.

10.3.98

EL/3.1.35/2

16.   

TC/16

Starting capabilities of Locomotives for graded sections.

23.3.98

EL/3.1.39/1

17.  .

TC/17

Haulage capacity of WAG7 locomotive with  revised gear  ratio of 16.65

24.3.98

EL/3.1.38

18.   

TC/18

Selection of locomotives on busy traffic routes.

27.2.98

EL/3.1.39/1

19.   

TC/19

Pantograph  OHE entanglment

5.5.98

EL/2.2.1

20.   

TC/20

Provision of Audio visual indication in case of train parting          or alarm chain pulling in air brake t rains.

21.5.98

EL/3.2.19

21.   

TC/21 Amen.’2’ superseded by RDSO/2013/EL/

TC/0123,Rev’0’ and Amen’1 dtd.23.09.2014

Replacement of critical   subassemblies and components in every POH/2nd POH of AC Electric locomotives.

16.04.2002

EL/3.6.1

22.   

TC/22

Haulage capacity of  WAG7 Locomotives  with 16.65   gear ratio in run through condition on different

Gradients.

01 .06.98

EL/3.1.39/1

23.   

TC/23

Haulage capacity  of WAG5 locomotive with TAO Traction Motor 15.62 gear

 ratio  in run through conditions on different gradients 

4.6.98

EL/3.1.39/1

24.   

TC/24

Haulage capacity of  WAG9 Locomotives with  6 FRA 6068 traction motor in run through condition  on different gradient 

24.7.98

EL/3.1.39/1

25.   

TC/25

Haulage capabilities of present high speed locomotives.

24.6.98

EL/3.1.39/1

26.   

TC/26

Haulage capacity of  WAG5

Locomotive with  Hitachi Traction Motor  in run through conditions on different gradients

20.7.98

EL/3.1.39/1

27.   

TC/27

Tractive Effort requirement calculation for star ting and hauling BOXN load.

27.7.98

EL/3.1.39/1

28.   

TC/28

Haulage capacity of WAG7 Electric Locomotives on start and in run through conditions on different gradients.

17.7.98/4.8.98

EL/3.1.39/1

29.   

TC/29

Rev.1

Replacement of critical sub-assemblies and components in every IOH of AC Electric Locomotives.

15.7.2002

EL/3 .6.1

30.   

TC/30

Modification in the trouble shooting instructions to drive

3.9.98

EL/3.1.3

31.   

TC/31

Rev.1

Replacement of critical components in every AOH of AC Electrical Locomotive

15.7.2002

El/3.6.1

32.   

TC/32-99 Rev.I

Mechanical and  plant for sheds  holding upto 120 Electric Locomotives

28.10.98

EL/3.6.4

33.  .

TC/33

EBD calculation for different train loads.

13.11.98

EL/3.2.19

34.   

TC/34 Rev.4

Amend1 dtd.26.02.15

Amend2 dtd.15.10.15

Indigenization of lubricants for WAP5/WAP7/WAG9 Locomotives.

21.07.2008

EL/3.1.35/8

35.   

TC-35-99 Rev.I

Tractive effort values in tonnes at various speeds.

29.4.99

EL/3.1.39/1

36.   

TC-36

Tan delta measurement of condenser bushing in locos/Emus. Effort values in tonnes at various speeds.

29.4.99

EL/3.2.21

37.   

TC/38-99

Locomotive side  buffer  maintenance Instructions (Revised on 25.8.99)

12.1.01

EL/3.2.119

38.   

TC/39

Modified   drawings for pins and bushes in the break rigging of WAP1 class of electric locomotives.

10.5.99

EL/3.2.13/1

39.  40.

TC/40

Floating of wheel set during  jamming of axle of locomotive

type WAG7.WCAM3,WCAG1

14.5.99

EL/3.2.13/6

40.  41.

TC-41

Prototype inspections of equipment ordered by Zonal Railways.

2.6.98

EL/8.1.10

41.   

TC-42

Retention of SL-42 while converting WAM4 locos of 6P    combination of traction motors.

23.6.99

EL/3.2.3

42.   

TC/43

Identification of hot sports on axle box and suspension bearings on HT compartment equipment, cable junctions contact tips etc. by surface temperature measurement with the help of non-contact type portable thermometer.

23.7.99

EL/8.4.15

43.   

TC/44

Identification of hotspots on axle box and suspension bearings, on HT compartment equipment, cable junctions, contact tips etc. by surface temperature measurement with the help of non-contact type portable  thermometer

26.6.99

EL/8.4.15

44.   

TC/45

(Rev.2)

Specification of  welding  electrode as well as  welding  procedure for welding of  manganese liner on axle box as   w ell bogie horn pedestal of electric locomotives.

21.6.2000

EL/3.2.13

45.   

TC/46

Use of leather bellow for traction motors of EMU motor coaches

06.08.99

EL/3.2.85

46.   

TC/47

Rev-2

Ultrasonic testing proceeding for axles of electric locomotives.

19.10.2015

EL/3.2.108

47.   

TC/48

Rev.0

Change in material of brake  rigging components of flexi coil  Mark I  bogies used in  WAP1/4 class of electric locomotive

27.8.99

EL/3.2.13/1

48.   

TC/49

Change in the material of brake blocks for Electric Locomotives

30.09.99

EL/3.2.19

49.   

TC/50 Rev.’0’

Critical geometry features of helical springs to be given special attention during inspection of helical springs especially for WAP1/4 & WAG7 class of locomotives.

30.9.99

6.10.99

EL/3.2.165

50.   

ELRS/TC/051

Rev.’0’

Optimum development of electric locomotive for load 58 BOX’N’ (4700t)INDIAN RAILWAYS

25.5.2000

EL/3.1.39/2

51.   

ELRS/TC052 Rev.’0’

RDSO’s recommendation for mport of critical rubber components for pneumatic brake valves.

25.10.99/3.11.99

EL/2.2.14

52.   

ELRS/TC/053 Rev.’0’

Modification in the list of critical rubber components of pneumatic brake valves to be imported.

30.11.99

EL/2.2.14

53.   

ELRS/TC054 Rev.’0’

Improvement in the performance of the Teflon seated non  return value of M/s  Recon make

30.11.99

EL/2.2.14

54.   

TC/55

Grease for traction motor  armature bearings of traction motor type 4601AZ/BZ/BX

15.2.2000

EL/2.2.5/1

55.   

ELRS/TC/056 2000

Rev.’0’

Standardization of drawings for self illuminated pressure  and vacuum gauges for electric locomotive application

23.2.2000

EL/3.2.19

56.   

ELRS/TC/057-2000 Rev.’0’

 

Instruction of drivers to manage b rake system of locomotive/train in different situations during train operation.

23.2.2000

EL/3.2.19

57.   

TC/58-2000 Rev.’0’

Breakage of modified screw coupling in electric locomotives.

29.2.2000

EL/3.2.19

58.   

TC/59-2000 Rev.’0’

Critical clearances in flexi coil mark-I bogies.

6.3.2000

EL/3.2.13/1

59.   

ELRS/TC/060-2000

Rev.’0’

Measurement of improve reliability of M/s Medha Servo Drives Pvt. Make speedometer.

 

24.4.2000

EL/2.2.9/3

60.   

TC/61

Optimum deployment of Electric Locomotives for load 58 BOX ‘N’ (4700t) on Indian Railway.

27.1.2000

EL/3.1.39/2

61.  .

ELRS/TC/062-2000 Rev.0

Results of brake power   retention test carried out on 24-coach air brake simulated passenger train in air brake in laboratory in R.D.S.O.                                     

17.5.00

EL/3.2.19

62.   

TC/63-2000 Rev.’0’

Comprehensive guideline for improving wheel life of WAG7 & WAP4 Locomotives.

17.7.2000

EL/3.2.13/6

63.   

TC/64-2000 Rev.’0’

 

Conversion of RDSO drawing No.SKDL-3368 Alt.’10’ of equalizer for Co-Co bogie to AutoCAD. Format.

18.9.2000

EL/3.2.13

64.   

ELRS/TC/065-2000 Rev.’0’

Optimum development of electric loco-Relationship of SEC with Max.speed & trailing loads.

4.9.2000

EL/3.1.3

65.   

ELRS/TC/066-2000 Rev.’0’

(i)Inspection plan for vacuum & air pressure for Diesel Electric & Electric Locomotives.

(ii) Instruction for maintenance of pressure & vacuum gauge in locomotive sheds.

8.9.2000

EL/3.2.19

66.   

ELRS/TC/067-2000

Rev.’0’

Acceleration capability of different class of locos for coaching train operation Benefits in time saving for existing load or augmentation of train load with same running time.

12.10.2000

EL/3.1.39/1

67.   

ELRS/TC/068-2000 Rev.’0’

Provision of modified passenger emergency alarm circuit/arrangement in electric locomotive.

27.11.00

EL/3.2.13

68.   

TC /69-2000 Rev.’0’

Revise RDSO’s approved sources for MI class welding electrodes as well as welding procedure for Manganese steel lines.

24.11.200

El/3.2.13

69.   

ELRS/TC/070-2000

Rev.’0’

Acceleration capability of different class of locomotive for freight train operation benefits to time saving for existing load of 4700t BOX’N’ and increased through pt (line capacity) on saturated                 routes.

14.11.00

EL/3.1.39/I

70.   

TC/71-2001 Rev.’0’

Adoption of metallised carbon s trips on pantograph in place of silicon manganese still strips.

6.7.2001

EL/2.2.2.25

71.   

TC/0072-2001 Rev.’0’

Reliability improvement  major for high capacity dynamic  brake  resistance

28.9.2001

EL/3.2.29/Gen

72.   

TC/0073-2001 Rev.’0’

Amendment to schedule of  technical requirement no.WD-01-HL-S94(Rev.1 May-95)  for  hot  coiled    helical  springs used  on main line coaches, EMU s tock locomotives and freight 

Stock. Other issue  related to Breakage of primary suspension springs in WAP class of electric locomotives

23.10.01

EL/3.2.165

73.   

TC-0074-2001 Rev.’0’

Procedure for welding of centre pivot pin to the under frame of WAP4 and WAP7 class of locomotive. Guidelines of repair of cracked bogie frame by welding(both  cost and

fabricated.

23.10.01

EL/3.2.19

74.   

TC-75-2002 Rev.’0’

Instruction of colour coding of  coil springs  fitted on  WAG7 locomotive

29.5.2002

EL/3.2.165

75.   

ELRS/TC-0076-2002 Rev.’0’, Rev’1’

Oil leakage from the  transformer bushings and covers in 3 phase locomotive

17.9.2002,

22.02.2013

EL/3.2.1.3-Phase

76.   

ELRS/TC-0077-

Adoption of improved design of notching sprigs for tap changer type No. 32.

5.3.2002

EL/3.2.30

77.   

ELRS/TC-0078-

Current rating of traction motor for electric locomotive.

13.3.2003

EL/3.1.39/1

78.   

ELRS/TC/ 079

Use of 180 KVA Single Phase to Three Phase Static Converter in place of Arno Converter.

30.12

03

EL/1.2.9.1

79.   

TC/80 (Rev.-0)

Procedure for welding repair of Pivot Post on the Under frame of WAP5 class of Electric Locos.

26.5.2004

EL/3.1.35/2

80.   

ELRS/TC/ 081

(Rev.-0)

POH containing various components to be changed during POH of NO 32 tap changer

6.7.04

EL/3.2.30

81.   

TC/82 (Rev.’1’

Bogie clearances on WAG9&WAP7 of 3 phase Electric locomotives.

17.09.15

EL/3.2.35/2(brake lever)

82.   

TC/83 (Rev.-0

Limits for wheel set dimension variations and wheel wear of WAP5, WAP7, & WAG9 3 phase Electric locomotive.

07.07.05

EL/3.2.35/2

83.   

TC/84 (Rev.-0)

Norms for repair rehabilitations & replacement of cracked it mount cast steel bogie frames of Electric locomotive

29.07.05

EL/3.2.13/4

84.   

ELRS/TC/ 085

(Rev.-0

Inter mixing of compressor oil Lubricators.

31.08.05

EL/3.2.15

85.   

ELRS/TC/ 086

(Rev.-0)

Haulage capacity  of WAG7 locomotive run condition on different gradients   cc+6 & cc+10 loading of 58 box wagon

28.10.05

EL/3.1.39/ 1

86.   

ELRS/TC/ 087

(Rev.-0)

Haulage capacity  of WAG5 locomotive with tao traction motor 15:62 gear ratio in run through conditions on different gradients   cc+6 (5062t ) & cc+10 (5294t) loading of  box “N”

14.11.05

EL/3.1.39/ 1

87.   

ELRS/TC/ 088

(Rev.-0)

Haulage capacity  of WAG9 locomotive with 6 FRA 6068 traction motor in run through conditions on different gradients with   cc+6 (5062t ) & cc+10 (5294t) loading of 58  box “N”

14.11.05

EL/3.1.39/ 1

88.   

ELRS/TC/ 089

(Rev.-0)

Haulage capacity  of WAG5 locomotive with Hitachi traction motor18:64 gear ratio in run through conditions on different gradients with   cc+6 (5062t ) & cc+10 (5294t) loading of 58  box “N”

14.11.05

EL/3.1.39/ 1

89.   

ELRS/TC/ 090

(Rev.-0

Procedure for movement of WAG9/ WAP7 & WAP5 locomotive for clearing blocked section by floating / lifting the locked axel in the event of axel getting locked on line.

13.02.06

EL/3.1.35/ 2

90.   

ELRS/TC/091

 (Rev.-0

Handling & cleaning of printing circuit board

16.02.06

EL/11.5.5/ 5

91.   

RDSO/2006/EL

/TC/0092-REV.(0)

Recommend instructions to haul dead diesel & electric locomotive

17.07.06

EL/3.2.19/ 9

92.   

RDSO/2006/EL/

TC/093-REV.0

Provision of RT200X Pressure switches W P1 & P2 Application on auto Flasher Circuit of Air and Dual Brake electric locos

30.08.06

EL/3.2.19/ 2

93.   

TC/94 Rev0

Component to be changed during AOH / IOH & POH of similar Design Pantograph type AM12, IR01 & PAN01.

11.06.07

EL/2.2.1

94.   

RDSO/2008/EL/

TC/

0095, Rev ‘0’

Haulage capacity of Freight AC locomotives in run through conditions on different gradients.

15.01.08

EL/3.1.39

95.   

RDSO/2008/EL/

TC/0096/REV’0’

Schedule of modifications m cabs during POH of conventional locomotives.

22.05.08

EL/3.1.70

96.   

RDSO/2008/EL/

TC/0097/REV’0’

Capacity of freight AC locomotives in run through conciliations on different gradients.

20.06.08

EL/3.1.39

97.   

RDSO/2008/EL/

TC/0098/Rev’0’

Up gradation & Rehabilitation of BA panel.

20-6-08

EL/3-1-39/1

98.   

RDSO/2008/EL

/TC/0099/Rev’0’

Haulage capacity of WAG7 Freight AC locomotive in run through

conditions on different gradients.

20.03.09

EL/3.1.39/1

99.   

TC/100

Haulage capacity of WAG9 Freight AC Three phase locomotive in

run through conditions on different gradients

29.06.09

EL/3.1.39/1

100.

RDSO/2009/EL/TC/0101 Rev.0.

Standardisation of location of VCD main unit including its accessories in the tap changer electric locomotives.

10.09.09

EL/3.1.14

101.

RDSO/2010/EL/TC/0102

Standardisation of maintenance kits and rehabilitation reconditioning policy for N-32 tap changer used on conventional locomotives

12.05.10

El/3.2.30

102.

RDSO/2010/EL/TC/0103

Maintenance of voltage sensing device in AC-DC locos.

07.06.10

EL/3.1.3

103.

RDSO/2010/EL

/TC/0104/Rev’0’

Technical circular for storage & handling of lubricant/greases used in   Electric locomotives /MEMUs/EMUs

16.07.10

EL/2.2.5

 

 

 

 

 

 104.

 

RDSO/2010/EL/

TC/0106

Problem of excessive ramp up time of 180kVA SIV

11.10.10

EL.1.2.9/1

105.
Technical circular on special checks/precautions to be taken during assembly of wheel set with motor (suspension tube of TM3701BY/BX Kolkata metro project ) for trouble free service
11.03.11
EL/4.3.42
106.
Test procedure for Testing of Air Dryers and its efficacy on Electric Locomotives in Electric Loco Sheds/ Workshops.
07.03.11
EL/3.2.19/1

107.

RDSO/2011/EL

/TC/0111(Rev’0’)

Technical Circular on Method of Filling of Cardium Compound In The Gearcase of TM3701BY/BX Traction Motor for Kolkata Metro

28.10.2011

EL/4.3.42

108.

RDSO/2012/EL/

TC/0113, Rev.’0’

Pneumatic testing of Three Phase Electric Locomotives in Electric Loco Sheds  Workshops

29.03.2012

EL/3.2.19/3Phase

109.

RDSO/2012/EL/

TC/0110 (Rev.’0’)

Amendment-1

 

Standardization of Circuit diagram for Auto regression through VCD, penalty braking through VCD, schematic wiring diagram of main unit and cab unit, Instruction to the drivers, procedure of testing of VCD in loco shed for conventional tap changer and MPCS fitted electric locomotives.

 

27.01.12

 

EL.3.1.14

 

110.

RDSO/2012/EL/

TC/0114 (Rev’1’)

Haulage capacity of AC Three Phase Electric Locomotives on different gradients & speed

10.10.2013


 

EL.3.1.39/1



 

111.
Verification of OHE Voltage on Electric Locomotives fitted with 180 KVA Static Converters. 
11.07.12
EL.1.2.9.1

112.

RDSO/2012/EL/

TC/0116, 

 Rev’0’

Brake application and time of IRAB-9/10 Brake system on fitted on Conventional Electric Locomotives.

01.10.2012

 EL/3.2.19/G

 

 


 

113.

RDSO/2012/EL lTC/0117 (Rev. 0)

Amendement.1

Technical Circular on Year of manufacturing codification on TM & MSU

16.10.2012

EL/2.2.13

114.

Standardization of  CCPT fuse.

22.10.2012

EL/3.1.3

115.

RDSO/2012/EL/TC/0119, Rev.1

Technical circular for MPCS with remote monitoring and analysis feature of 25 kv AC electric locomotives.

20.03.2013

EL/4.2.15

116.

 RDSO/2012/EL/

TC/0120,Rev.0

Repair of LOT 1250 KV transformers fitted on three phase propulsion EMUs in mumbai suburban railways. 

 06.11.2012

 EL/4.3.35/AC-DC

117.  

RDSO/2012/EL/

TC/121 Rev’0’,   Annexure-I  , Annexure II SKEL4885,

Annexure-IIIA   , Annexure III B

 Requirement of Infrastructural facilities to home 200 Electric Locomotives in Shed  14.12.2012 EL/3.6.4/02
118. RDSO/2013/EL/TC/0122, Rev ’0’ Testing of feed pipe circuiton twin air brake system Locomotive. 11.02.2013 EL/3.2.19(G)

119.

RDSO/2013/EL/TC/0123, Rev ’0’ dtd.14.05.14 and  Amendment’1’ dtd.23.09.2014

’Must change items during POH’ of Electric Locomotives

14.05.2013 &

23.09.2014

EL/3.6.1

120.

RDSO/2013/EL/TC/0125, Rev ’0’

Standardization of Insulating materials for Repair/ Rewinding of TM type TAO659 used in Electric Locomotives

25.10.2013

EL/3.2.5

121.

RDSO/2013/EL/TC/0126, Rev ’0’

Instructions to maintain gap between Traction motor bottom nose and Bonded Rubber Sandwitch Mounting unit

25.03.2014 EL/3.2.172

122.

RDSO/2013/EL/TC/0127, Rev ’0’

Standardization of insulating materials for Repair/ Rewinding of T M type 4601 used in EMUs.

30.09.2014

EL/4.5.21

123.

RDSO/2013/EL/TC/0128, Rev ’0’

Haulage capacity of Convenentional Electric Locomotives under Dry/Wet Weather condition on different gradients & speed

02.09.2014

EL/3.1.39/1

124.

RDSO/2014/EL/TC/0129, Rev ’1’

Guidelines For Mounting Dismounting Inspection And Maintenance Practice Of Axle Box Bearing Unit for WAG9/ WAP7 Locomotives.

04.12.2015

EL/3.2.108(3-phase)

125.

RDSO/2015/EL/TC/0131, Rev ’0’

Increasing the rating of CCLS from existing 6 ampere to 10 ampere to suit modification in IP and sanding control circuit to avoid Loco failure and troubleshooting due to VCD failure.

12.08.2015 EL/3.1.3

126.

RDSO/2015/EL/TC/0132, Rev ’0’

Procedure of pressing-in of wheels on axles in Electric Locomotives.

05.10.2015

EL/3.2.108

127.

RDSO/2016/EL/TC/0133, Rev ’0’

Instructions to form Muliple Unit of Three Phase Electric Locomotives. 

02.02.2016

EL/3.1.35/2(Elect)

   

 

 



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