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Train Control Arm Bolt Report

This document provides a proforma for reporting control arm bolt failures on trains. It includes fields to capture the date of failure, train details, primary depot, location of the control arm, details of the bolts, washers and tightening torques at each bolt location, condition of any dampers, reason for failure, and any other relevant remarks. Locations of control arms and bolts are defined in Figures A, B and C attached.

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94 views4 pages

Train Control Arm Bolt Report

This document provides a proforma for reporting control arm bolt failures on trains. It includes fields to capture the date of failure, train details, primary depot, location of the control arm, details of the bolts, washers and tightening torques at each bolt location, condition of any dampers, reason for failure, and any other relevant remarks. Locations of control arms and bolts are defined in Figures A, B and C attached.

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sselhbbpl
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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ANNEXURE-I

PROFARMA FOR REPORTING CONTROL ARM BOLT FAILURES

Date of Train Type Prima Location Make & Class of bolts,Tightening Torque of bolts & Condition Reason Remarks or
Failure No. & of ry of type of washer at all locations of Control Arms of damper of any other
Coach Coach Depot Control at the failure information
No. e.g. Arm 1 2 3 4 location of relevant to
II failure the failure
AC/III

Washer

Washer

Washer

Washer
Torque

Torque

Torque

Torque
Bolt

Bolt

Bolt

Bolt
AC
etc.

L1
L2
L3
L4
R1
R2
R3
R4
Note: 1) Damper may be working, locked, leaky, free moving etc.
2) Each control arm has 4 nos. of control arm bolts therefore, values of tightening torques, type of washer and make & class of
boltshould be indicated for all locations on control arm. Locations of control arms are shown in Figure ‘A’ & ‘B’ and locations of
bolts are shown in Figure ‘C’.
3) Washer may be a self-locking or disc lock washer etc.

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Convention for Locations of Control Arm Bolts

Figure – C: Locations of Control Arm Bolts


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