General Information on Track Circuits - RGS Online
General Information on Track Circuits - RGS Online
General Information on Track Circuits - RGS Online
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<str<strong>on</strong>g>General</str<strong>on</strong>g> <str<strong>on</strong>g>Informati<strong>on</strong></str<strong>on</strong>g> <strong>on</strong> <strong>Track</strong> <strong>Circuits</strong><br />
Railway Group Approved Code of Practice<br />
GK/RC0752<br />
Issue Two<br />
Date December 1998<br />
Page E29 of 52<br />
15.5 Impedance B<strong>on</strong>d Spares and Repairs<br />
Maintenance and local stock holding will generally be made easier if different<br />
styles of impedance b<strong>on</strong>d are not intermixed within a track circuit.<br />
Surplus and defective impedance b<strong>on</strong>ds should be returned intact to the local<br />
Infrastructure Store for servicing. New or re–serviced impedance b<strong>on</strong>ds are<br />
available to order from the stores organisati<strong>on</strong>.<br />
In an emergency, ie. if a possessi<strong>on</strong> or a replacement impedance b<strong>on</strong>d cannot<br />
be obtained, replacement of faulty parts may be carried out in–situ in some<br />
cases. The following spare parts are available. Railway catalogue numbers are<br />
given where applicable:<br />
15.5.1 Style WH3<br />
Not repairable.<br />
15.5.2 Style MR<br />
Obsolete, parts out of producti<strong>on</strong>.<br />
15.5.3 Style S<br />
Descripti<strong>on</strong> Catalogue No<br />
Terminal box (CD1073) : 86/43866<br />
Terminal block (WBS Drg B41464/1) : N/A<br />
Terminal label (WBS Drg J14676/– : N/A<br />
Cable gland 25mm (Hawke type 300 P25) : N/A<br />
Cable gland 20mm : 54/109127<br />
Blanking grommet 25mm (RS605–677) : N/A<br />
Blanking grommet 20mm (RS 605–661) : N/A<br />
Resilient mounting : 86/117018<br />
15.5.4 Style P3<br />
Descripti<strong>on</strong> Catalogue No<br />
Coil, universal : 88/49566<br />
Covers, main : 88/84009<br />
Covers, terminal box : 88/84010<br />
Gasket, main cover : 88/84011<br />
Gasket, terminal box cover : 88/84012<br />
Plate lug centre c<strong>on</strong>necti<strong>on</strong> : 88/27761<br />
Seal rubber, side lead A/57117/1 : 88/26415<br />
Terminal assy. CD.1055/S : 88/84013<br />
15.5.5 Style DE<br />
Descripti<strong>on</strong> Catalogue No<br />
Coil, auxiliary (2BA lugs) : 88/2308<br />
Coil, auxiliary (OBA lugs) D4/21048A : 88/84038<br />
Cover, main : 88/84039<br />
Cover, terminal box : 88/84040<br />
Gasket main cover : 88/84041<br />
Gasket terminal box cover : 88/84042<br />
15.5.6 Style M<br />
Descripti<strong>on</strong> Catalogue No<br />
Coil, auxiliary, feed or relay : 88/83976<br />
Coil, auxiliary, res<strong>on</strong>ated : 88/2321<br />
R A I L T R A C K E 29
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