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 />
603 E. REPAIR <strong>AND</strong> MAINTENANCE DURING ROH & POH<br />
WAGON MAINTENANCE MANUAL<br />
Page 44 of 121<br />
The following additional work also to be carried out during maintenance at<br />
the time of ROH and POH including the above repair work at sick line:-<br />
i. Bogie is to be fully dismantled.<br />
ii. Side frame should be examined for cracks, distortion, excessive pitting etc.<br />
iii. Longitudinal, transverse and diagonal distances of the journal centres should<br />
be checked to ascertain the squareness and correct alignment of the trolley.<br />
iv. <strong>Central</strong> distance of axle box holes and the diameter should be checked. Holes<br />
should be built up by welding & drilled to correct distance, when the dia<br />
exceeds by 2 mm above the nominal size.<br />
v. The steel bushes in the bracket of the brake beam hanger should be checked<br />
for wear and replaced when dia exceeds 0.75 mm above the nominal size.<br />
vi. The rivets of the spring plank and tie bar should be checked for soundness. It<br />
should be replaced if found unsound.<br />
vii. The alignment of the tie bar with corresponding top surface and side frame<br />
should be checked If found defective, it should be rectified.<br />
viii. There is one drain hole in each of the top extended portion, and two in bottom<br />
central portion of the side frame, these holes should be cleaned and kept clear.<br />
ix. Maintenance of spring plank is to be done as given in para 603C(b)<br />
x. Maintenance of floating bogie bolster is to be done as given in para 603C(c)<br />
xi. Maintenance of bogie centre pivot is to be done as given in para 603C(d)<br />
xii. Maintenance of bogie side bearer is to be done as given in para 603C(e)<br />
xiii. Maintenance of spring plate is to be done as given in para 603C(f)<br />
603 F. MATERIAL SPECIFICATIONS FOR BOGIE ITEMS<br />
(CAST STEEL BOGIE)<br />
Sr.No. Description of item Material<br />
1. Cast steel side frame Cast Steel class “C” grade 2<br />
Specification No. IRSM2 and R- 13.<br />
2. Spring Plate Steel plate to specification no. IS:226<br />
3. Floating Bogie Bolster Cast Steel class “C” grade 2<br />
Specification No. IRSM2 and R-13<br />
4. Bogie Centre pivot Cast Steel class “A” grade 1<br />
Bottom<br />
Specification No. IRSM-2 duly<br />
normalize<br />
5. Side bearer<br />
Cast Iron grade 20 to Specification No.<br />
IS : 210<br />
6. Spring Plate Steel plate to Specification IS:226<br />
7. Spring Spring steel to specification No. IRS: R-2
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