CLW Assembly of Locomotive

 Audit of following  Work Instructions was done in Shop # 19. Report is as follows:-

Mounting of SL, MVSL, QVSL ( W 19.023):-

Observations:-

• Marking of 20 nos holes as mentioned in para 3.1.1 of this WI seems to have become outdated. In practice 12 holes and 4 spigot holes are being done. This WI needs modification.

• Jig for marking holes is due for calibration got attended.

• Jig for mrking MVSL is due for calibration got attended.

• Location of heat-shrinkable sleev as mentioned in para 3.3.4 of this WI was explained to staff.

• Source of supply of hylem sheet for QVSL mounting could not be idenetified in the shop same done in office.

Loco Assembly in CLW

Audit of following 2 Work Instructions was done today in Shop # 19. Report is as follows:-

Mounting of Battery and connections ( W 19.024):-

Problems rectified on the spot:-

• In the loco inspected in test shed, some of the batteries having deficient water indicator float were attended.

• 
  All the battery terminals found to be sulphated got attended.

• 
  
  Main cable ( B006) was of smaller size than the battery connector  cable. Attending this anomaly can reduce the cost.

Mounting of Battery and connections ( W 19.033):-

Observations:-

• In the batteries of M/S Emco make, electrolyte has to be filled up. This work is prone to dust ingress in the shop.

• In the batteries of M/S HBLmake, hygrometer probe is not usable.

How pantographs and filter blocks are assembled?

Audit of following  Work Instructionwas done today in Shop # 19. Report is as follows:-

Mounting of Pantograph assembly ( W 19.025):-

Problem under discussion:-

• As per WI, pantograph is to be mounted when the roof is on the loco, but most of the time, pantograph mounting is done on the floor only.

• 
  Fasteners of UNBRAKO make appeared rusty.

Assembly of Filter Block ( W 19.038):-

Discussions:-

• Some copper connectors appeared discolored.

• Realignment/re-designing of the mounting of hotel load equipments may reduce the workload.

How Locomotive assembly is done?

Audit of following  Work Instructionwas done today in Shop # 19. Report is as follows:-

Assembly of panel HB1 ( W 19.039):-

• This work involves precision and should be done in AC environment.

Assembly of panel HB2 ( W 19.037):-

• This work involves precision and should be done in AC environment.

Mounting of Main Compressor ( WI ( 19.036) 

•  Both ELGI and Feyvelli MCPs were being fitted in the loco.

Locomotive Assembly

Audit of following Work Instruction was done in Shop # 19. Report is as follows:-

Assembly of A panel. Preparation of cable of various sizes ( W 19.040):-

Important point:-

• This work involves precision and should be done in AC environment.

Assembly of C panel . ( W 19.041):-

important point:-

• This work involves precision and should be done in AC environment.

Assembly of D panel . ( W 19.042):-

• This work involves precision and should be done in AC environment.

Assembly of F panel . ( W 19.043):-

• This work involves precision and should be done in AC environment.

Other Issues:-

Equaliser pins of LMS are being cleared by inspection as a temporary measure in order not to hamper production subject to relaxation of hardness.

This needs to be regularized as it cannot continue forever.