Shop
#12 and 26 were inspected alongwith inspection staff.
Fitment
of gearcase was inspected. Alternate tightening of the bolts was not being
followed , same was emphasized.
Use
of proper torque wrench was examined .
Torque
wrenches are required to be calibrated.
RTV 685 was being used as sealant
between gear cases. It was checked for expiry.
Dimensional
deviations in Raj-712 Underframe were checked.
Defects
of welding undercut were examined. There were many such defects all over the
shell all rectified..
Different
thickness sheets were being used for same bellow duct in the underframe, shop
supervisor revealed that they received material from shop #15 and applied what
they received.
Matter
was discussed with Shop #15 supervisor.
It
was observed that some dimensional deviation beyond permissible limits may be
carried forward to shop #16.
TM
inspection staff was made available the list of approved makes of bolts 9 of
rocker ring assembly).
Oversized
temperature Probe was being fitted in 3-phase TM, for which WI is to be
checked.
TM shop was inspected for work instruction compliance
of thread drilling in poles/compoles and SJ poles.
Head machining after making the drill under
process.
Drilled pole shoes awaiting cleaning.
TP39 was inspected in the test shed. It was
observed that CO2 pipe welding was done in the side wall after painting due to
which surface cracks had appeared in the exterior paint.
This was in addition to the usual waviness in the
surface giving the paint a blemish.
Crack-holes on the exterior surface of TP 39.
Though production staff assured that it will be
touched up, inspection staff was instructed to advise assembly shop to do all
inside welding work before painting only.
