Whats latest in Indian Locomotives

Silent Engines:

Code of federal practice 49, Pt 229.121a limits noise inside loco cab to 85 Db.

In 3 Phase its < 85 Db at present but in Conventional its near or > 90 Db.

RDSO Modification sheet # 448 issued in this regard. 

Reliable Traction Motor Support :

RDSO Modification sheet # 447 Rev 0 issued in this regard. 

RDSO SMI No. 0269, Rev. 1

12 mm safety sling IS : 2266 Garde 1770.

1810 mm for TM 3 and 4

1510 mm long for TM 1, 2,5 and 6

Sling has D shackles on both sides. as per IS : 2415-2004 Grade 8


Standardisation of safety sling for compressors:

For 3 phase locos

RDSO SMI No. 0242, Rev. 1 issued.

8mm dia wire rope. as per IS 2762-2004 grade 1770


High reach panto: 

WBL -85

• Can be fitted even in WAP4 ( due to DBR problem) with base as 1900 mm
• Air bellow operated
• Less no. of components.
• fit for 200 kmph
• Has Auto Droppping Device
• Has over-reach detection device.
• 2030 mm panto pan ( 230 mm extra )

Better CCB ( computerised control break ):

To prevent following failures:

• Air leak from BPCB valve
• Air leak from unloader valve
• Breakage of AFI guage glass

To overcome:

• Provide Wire Mesh Filter
• Dirt collecter at CCB panel
• BP pressure at ze
• ro before attachment, 5 Kg after BP FP coupling.
• Improving rubber seating quality by VITON
• AFI glass thicness increasefrom 8 mm to 12 mm

Better bearing maintenance:

• Follow FIFA strictly
• Fix assembly component ij  kit form
• Measuring radial clearance as per SMI-278
• Induction heatng of seating of MSU bearing.
• Adequate stock of TM and MSU bearing and grease.
• Temp controller and demagnatising feature in induction heater.
• Color matching of pinion as per SMI-278