BOGIES AND SUSPENSION - South Central Railway
BOGIES AND SUSPENSION - South Central Railway
BOGIES AND SUSPENSION - South Central Railway
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CHAPTER 6 – <strong>BOGIES</strong> <strong>AND</strong> <strong>SUSPENSION</strong><br />
WAGON MAINTENANCE MANUAL<br />
Page 74 of 121<br />
x) Protect the roller bearings and axle boxes mounted on axles before the<br />
wheel-sets are sent for tyre turning by dummy faceplate.<br />
xi) Charge fresh grease of approved Brand and recommended quantity in the<br />
axle boxes, before mounting.<br />
xii) Change the wheel set fitted with roller bearing whenever a warm/hot box<br />
is detected.<br />
xiii) Short circuit the roller bearing while carrying out welding repairs on the<br />
bogies or wagon-body fitted with roller bearings.<br />
xiv) The date of POH & Shop code shall be stamped on the axle box.<br />
xv) Axle-Cover bolts of cylindrical RB axle boxes should be fitted with the<br />
locking washers on the line unless otherwise stipulated.<br />
b) Don’ts<br />
(i) Cleaning with compressed air is totally prohibited.<br />
(ii) All locking washers/plates used for locking the bolt/nuts in the ‘Axle-<br />
Cap’ and ‘Front Cover’ should never be used twice and should<br />
invariably be replaced at the time of POH/ROH.<br />
(iii) Do not over-charge the grease in the axle boxes.<br />
(iv) Do not recharge the grease in between the two POH.<br />
(v) Do not open the roller bearing axle boxes in sick line /Yard, except for<br />
the specified examination/attention at the nominated sick line.<br />
(vi) Do not carry out any welding on the wagons, without earth the bogie<br />
frame/wagon body.<br />
(vii) Do not carry out any welding on the axle box during POH, except for<br />
provision of manganese liners under special precautions, as stipulated.<br />
605 L. REPAIR <strong>AND</strong> MAINTENANCE IN SICK LINE<br />
a) The Scroll iron is to be checked for<br />
i. Rivets loose, deficient or broken<br />
ii. Scroll iron cracked or broken<br />
iii. Scroll iron shifted out of alignment<br />
iv. Eye hole worn over size or oval<br />
The repairs should be done as given in para 605 B (a)<br />
b) Shackle pin is checked and to be repaired as given in para 605 B (b)<br />
c) Cotters found to be broken, deficient or wrong size, not split properly and some<br />
times jib not in correct position. In the first three cases the cotter should be<br />
replaced and in the last two cases, it should be fitted properly or replaced where<br />
necessary.<br />
d) Spring to be examined and repaired as given in para 605 B (h)
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