Wednesday, June 29, 2011

Traction Motor


Failures:-
  • Breakage of Modified Cage of DE bearings:-
  • Ferrous /non-ferrous content in gear case oil:-
  • Servosyn 460RR oil:-

Remedies
  • Retrofit Kit for Grease Lubricated DE bearings

Monday, June 27, 2011

Earth Return Brush



Problem of aluminium casting getting broken noticed in these brushes.


PL No. 47453278
Carbon Brush for Earth return brush Holder Assly.
(SMC grade BSQR) to SMC Drg no. 4048900/D
for Siemens AC/DC Siemens EMU rake . PAC to M/S
Schunk Metal & Carbon (I) Pvt Ltd.

South (VR) end view of MX workshop


Tuesday, June 21, 2011

Monday, June 20, 2011

MRVC Rake HTC

  • Two Handicap Trailer coaches are there in 12 car MRVC rake.
  • Compartaments are HC-SL-V.
  • HC - 19 seats, SL ( second class ladies )- 74 seats, V- 6 seats + 1.33 T luggage.
  • Tare weight:- 37 T, total payload:- 33 T.
  • Compressor with air dryer and Battery Box mounted in underframe.
  • Grab poles, protective screen etc are of SS.
  • Flooring is of SS with moonrock finish.
  • Roof and ducts are SS Micromat finish.
  • Seats and Backrest- polycarbonate.

Wednesday, June 15, 2011

Retrofitment Cost



  • BHEL Electrics:- Rs 45 lakh
  • BHEL transformer:- Rs. 20 lakh
  • Silicon Rectifier:- Rs. 5.5 lakh
  • Cable trays:- Rs 1 lakh
  • Transformer pipelines:- Rs 50,000
  • Field Weakening :- Rs 2 lakh
  • SS Tubes:- Rs 3.5 lakh

C Jumpers

19 pins of C jumper transfer important functions like:-

Reverse , Forward, Half Power , full Power, continuity, DC negative, 50% light, Light On/OFF, Fan OFF/ON, Alarm Bell, Overload Indiacation, and ABB open Indication and some are spare also.

Single Pole VCB

  • Min presuure;- 3.3 kg/sqcm
  • Max pressure:- 3.6 kg/sqcm
  • Max time between Successive closing operations:- 30 sec
  • Cost :- Rs. 2.4 lakhs

Tuesday, June 14, 2011

Auxiliary Compressor

  • Rated Pressure:- 8.0 Kg/sqcm
  • Cylinder Size and Stroke:- 60 x 35
  • Displacement:- 150 lpm
  • Motor:- 1 HP , 110 V Dc/ 8.5 A
  • FAD:- 6 cubic m/ hr
  • Speed :- 1500 rpm
  • Cost :- Rs 20,000

Monday, June 13, 2011

Bulk RSP

  • PB 2011-12 Item # 1107 :- 96.10 Crore Detailed Estimate under vetting for BHEL electric conversion @ 4.5 Cr/rake for 20 rakes.

  • PB 2011-12 item # 1110 :- Siemens spares :- Distribution between WR and CR awaited.

Tuesday, June 7, 2011

Auxiliary Motors

  • Oil Pump:- 1.5 HP , 240 V , AC, 6.5 A, 400 LPM, 40 Mf. ( Manju )
  • Rectifier Fan Motor:- 1 HP, 240 V, Ac, 4.5 A, 40 Mf, ( SHI )
  • Radiator fan motor:- 0.5 Hp, 240 V AC, 4.5 A, 20 Mf. ( GEC, Manju, SHI )
  • Aux Compressor Motor:- 1 HP , 110 V DC, 8.5 A ( Elgi, CEC)
  • Main Compressor Motor:-12.5 HP, 110 V DC, 100 A. ( Kirloskar, ELGI )

Sunday, June 5, 2011

Stainless Steel Air Reservoir

  • Capacity :- 125 ltrs
  • Dia :- 430 mm, Length :- 1060 mm
  • Now ICF is sending with 1 Air reservoir in MC.
  • These are provided in DTC and TC also.

Saturday, June 4, 2011

About the EMU fan...

  • Sweep :- 450 mm
  • Voltage :- 110V DC/AC ( optg range 90-140 V ), 140 V AC ( optg Range 90-170 V).
  • Blade :- FRP ( 30 % glass filled)
  • Wattage :- DC Fan 35 W, AC Fan 65 W.
  • Min Air delivery :- 75-85 cubic mtrs / min
  • Noise level :- 60 dB
  • Weight :- 8 Kg
  • Bearing:- SKF

Departmental Retrofitment of DC EMU into AC EMU