BOGIES AND SUSPENSION - South Central Railway

CHAPTER 6 – BOGIES AND SUSPENSION
a) REJECTABLE DEFECTS
The specified rejectable defects are as under:-
WAGON MAINTENANCE MANUAL
Page 66 of 121
i. Axle guard worn or expanded sufficiently to permit either leg to work
clear of its groove in the axle box.
ii. Any portion of the axle guard horn cheek broken or deficient beyond the
limit.
iii. Axle guard so bent as to prevent free movement of axle box.
iv. Any crack on leg type axle guard extending through the section more than
25 mm unless repaired in accordance with methods prescribed below.
v. On Broad Gauge wagons leg types axle guard cross-racing without a full
component of six rivets or with one or more rivets broken or deficient or
wrong size.
vi. Pressed steel axle guard cracked unless repaired according to methods
prescribed below.
vii. One or more rivets deficient or broken or of wrong size.
viii. Axle Guard fitted with one or more bolts.
(Note: On Metre Gauge weighted brake van axle guards will be allowed with bolts).
ix. Any axle guard leg shaking due to slack rivets.
x. One or more rivets broken or deficient in horn cheek.
xi. Bridle broken or deficient.
xii. Bridle without jaws or turned ends.
xiii. Bridle of a section less than 4 sq. inch. Thickness less than 13 mm.
xiv. Bridle of wagon not secured by rivets or with a rivet deficient or broken.
MANUFACTURING TOLERANCE FOR UNDERFRAME
1. Difference between longitudinal axle guard centre (A1-A2) is not to exceed
3 mm.
2. Difference between Transverse axle guard centre (B1-B2) is not to exceed
3 mm.
3. Difference between diagonals of axle guard (C1-C2) is not to exceed 3 mm.
4. The difference between specified and actual distance of the centres of the
scroll iron (D) should not to exceed plus 1 mm.
5. The distance between the centre of the scroll iron and axle guard should not
be more than 1 mm.