|
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TC/21 Amen.’2’ superseded by RDSO/2013/EL/TC/0123,Rev’0’ with amendments
|
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 6FRA6068 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
Amend-01 dtd.28.06.2017
|
Replacement of critical components in every AOH of AC Electrical Locomotive
|
15.7.2002
|
El/3.6.1
|
|
32.
|
TC/32
TC/32-Rev.1
as an amendment
|
Mechanical and plant for sheds holding upto 120 Electric Locomotives
|
28.10.98
24.08.99
|
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
Amend.-1 dtd.26.02.15
Amend.-2 dtd.15.10.15
Amend.-3 dtd.09.05.25
Amend.-4 dtd.25.06.25
|
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 Rev.2
|
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.
|
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 Rev.’2’
|
Oil leakage from the transformer bushings and covers in 3 phase locomotive
|
01.10.2019
|
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
|
30.08.06
|
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 Rev.'0'
|
Component to be changed during AOH / IOH & POH of similar Design Pantograph type AM12, IR01 & PAN01.
|
08.06.07
|
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 Rev-2
|
Revision of overhauling and rehabilitation/ reconditioning kits for N-32 tap changer used on conventional electric locomotives.
|
06.08.2021
|
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'
|
Letter with 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
|
15.03.11
|
EL/4.3.42
|
|
106.
|
|
Test procedure for Testing of Air Dryers and its efficacy on Electric Locomotives in Electric Loco Sheds/ Workshops. |
|
EL/3.2.19/1
|
|
107.
|
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
|
|
108.
|
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
|
|
109.
|
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
|
|
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.1)
|
Technical Circular on Year of manufacturing codification on TM & MSU
|
28.09.2018
|
EL/2.2.13
|
|
114.
|
|
Standardization of CCPT fuse.
|
22.10.2012
|
EL/3.1.3
|
|
115.
|
RDSO/2012/EL/TC/0119, Rev.1
Amend-1 dtd. 25.08.2017
Amend-2 dtd. 28.11.2018
Amend-3 dtd. 30.04.2019.
|
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’
Amend’1’dtd. 23.9.14
Amend’2’dtd. 16.5.16
Amend’3’dtd. 3.4.17
Amendment dated 27.08.2025 regarding review of must change peridicity of Bogie Dampers in WAG9 Locos.
|
’Must change items during POH’ of Electric Locomotives |
16.05.2013
|
EL/3.6.1
EL/2.2.1/1 for Amend’2’
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/0130,Rev’0’ superseded by RDSO/2015/EL/MS/0443/Rev’0’ |
Improving the reliability of motor supports in bogie of WAP7/WAG9 locos
|
29.05.2015 |
EL/3.1.35/2(brake lever) |
|
126.
|
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 |
|
127.
|
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
|
|
128.
|
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)
|
|
129.
|
RDSO/2016/EL/TC/0134, Rev ’0’
|
Instructions for formation of Inteconnected Loco Bus Station Network
|
24.05.2016
|
EL/11.5.5/3
|
|
130.
|
RDSO/2016/EL/TC/0135, Rev ’0’
|
Standardization of Electronics Lab of 3-Phase Electric Locomotives holing Sheds and Periodicity of Tests.
|
10.06.2016
|
EL/11.5.5/5
|
|
131.
|
RDSO/2016/EL/TC/0136, Rev ’0’
|
Condition Monitoring of Lightening Arrestors of Electric Locomotives & EMUs.
|
08.08.2016
|
EL/2.2.23
|
|
132.
|
RDSO/2016/QAE/TC/0001, Rev ’0’
|
Standardization of rehabilitation/ reconditioning policy for transformer used on conventional locomotives
|
27.10.2016
|
QAE/3.2.1
|
|
133.
|
RDSO/2017/EL/TC/0137, Rev ’0’
Annexures
|
Instructions for regular implementation of different SMls/TCs/Technical Reports issued by RDSO from time to time to improve the reliability of Electronics of 3-phase electric locomotives.
|
27.05.2017
|
EL/11.5.5/5
|
|
134
|
RDSO/2017/EL/TC/0138 Rev 0 |
Maintenance of electric locomotives in diesel shed
|
22.09.2017
|
EL/3.6.4/2 Part
|
|
135.
|
RDSO/2017/EL/TC/0139, Rev ’0’
|
Procedure for Dew point Depression temperature measurement of compressed air passing through heat less regenerative twin tower type air dryer being used in electric locomotives.
|
22.09.2017
|
EL/3.2.19/1
|
|
136.
|
RDSO/2017/EL/TC/0140 Rev 0
|
To arrest the chattering of contactor K0, K1 & K2 in WAG-7 locos fitted with air Conditioning system. |
26.09.2017
|
EL/3.1.3
|
|
137. |
RDSO/2017/EL/TC/0141 Rev 0 |
Trouble shooting of different make 2x500 kVA, IGBT based Hotel Load Converter of WAP-7 Locomotives.
|
30.10.2017 |
EL/11.5.5/5 |
|
138. |
RDSO/2017/EL/TC/0142 Rev-1
|
Reliabilty Action Plan (RAP) for Conventional & 3-Phase Electric Locomotives. |
18.09.2023 |
EL/3.6.4/2 |
|
139. |
RDSO/2018/EL/TC/0143 Rev 0
|
Technical Circular for GPS device for Electric Locomotives in Indian Railways
|
09.01.2018 |
EL/4.2.15/GPS |
|
140. |
RDSO/2018/EL/TC/0144 Rev 0 |
General Guidelines for uses of Videos Bore scope for checking the inaccesible location of electric locomotives to avoid failures.
|
27.03.2018 |
EL/DSE4/Borescope |
|
141. |
RDSO/2018/EL/TC/0145 Rev 01 |
Technical Circular for Interchangeability and Maintainability of Hall Effect Speed Sensors provided in IGBT based 3-phase electric locomotives.
|
21.08.2024 |
EL/3.1.35/26 |
|
142. |
RDSO/2018/EL/TC/0146 Rev 0 |
Jig for checking position of the Boss of gear case of Hitachi Traction Motor in Electric Locomotive.
|
02.05.2018 |
EL/3.1.35/23 |
|
143. |
RDSO/2018/EL/TC/0147 Rev 0 |
Technical Circular for Testing of Carbon Brush block properties from finished carbon brush of Hitachi HS 15250A Traction Motors.
|
29.05.2018 |
EL/3.1.35/23 |
|
144. |
RDSO/2018/EL/TC/0148 Rev 0 |
Guidelines for refurbishment/ rehabilitation of printed circuit boards of E70 Brake System for 3-Phase Electric Locomotives type WAP5, WAG9 & WAP7. |
24.08.2018 |
EL/3.2.19/3-Phase |
|
145. |
RDSO/2018/EL/TC/0149 Rev 0 |
Technical Circular for repair of crack in welding of plate (Drg. No. 1209-01-312-145) of Pivot Transom sub assembly of bogie frames for WAP7/WAG9 locomotives. |
27.08.2018 |
EL/3.1.35/2 (Bogie) |
|
146
|
RDSO/2019/EL/TC/0150 Rev.0
|
Proper connection of MU coupler in Microprocessor based control & fault diagnostic system MPCS (V3) locomotives to ensure proper working of Vigilance Control Device (VCD).
|
14.03.2019
|
EL/4.2.15/Gen
|
|
147 |
RDSO/2019/EL/TC/0151 Rev.0 |
Technical Circular for measurement of ‘C’ Clearance in MSU assembly of 6FRA-6068 Traction motors in WAG9/WAP7 class Locomotives.
|
24.04.2019 |
EL/1.3.10/3
|
|
148 |
RDSO/2019/EL/TC/0152 Rev.0 |
Operation & Maintenance instructions for Real-time Train Information System (RTIS).
|
25.07.2019 |
EL/3.1.28 (RTIS)
|
|
149 |
RDSO/2019/EL/TC/0153 Rev.0 |
Acknowledgement of Vigilance Control Device (VCD) through PVEF in Microprocessor based control and fault diagnostic system (MPCS) version-3 |
27.08.2019 |
EL/4.2.15/Gen |
|
150 |
RDSO/2020/EL/TC/0154 Rev.0 |
Procedure for manual CAB selection in Electric Locomotives fitted with Distributed Power Wireless Control System (DPWCS) in train consist |
19.11.2020 |
EL/3.1.3/DPWCS |
|
151 |
RDSO/2022/EL/TC/0156 Rev.0 |
Communication Protocol for End of Train Telemetry (EoTT) System on Indian Railways. |
15.02.2022 |
EL/4.2.15/EoTT |
|
152 |
RDSO/2022/EL/TC/0157 Rev.0 |
General Guidelines of Fixed/Track side Repeater for End of Train Telemetry (EoTT) System on Indian Railways
|
15.02.2022 |
EL/4.2.15/EoTT |
|
153 |
RDSO/2022/EL/TC/0158 Rev.0 |
Technical Circular for Mechanical Repair /Rehabilitaton with welding procedure of Magnet Frame for Hitachi HS 15250A Tracton Motors.
|
23.03.2022 |
EL/3.2.172/1 |
|
154 |
RDSO/2025/EL/TC/0159 Rev.0 |
Technical Circular for requirement of Tools & testing equipment at Electric Loco Sheds for assembly/overhauling of Traction motor type 6FRA6068. |
30.04.2025 |
EL/3.2.182/Part/3-Ph. |
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