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Measuring Equipment and Maintenance Tools for Tracks
The measuring equipment and tools commonly used for track maintenance, together with their purpose, are presented in Table 18.3. Sketches of some of the tools used for the maintenance of tracks are given in Fig. 18.1.
Name of equipment/tool : Function
Rail gauge : To check the gauge
Straight edge and spirit level : To check the alignment as well as the cross level
Gauge-cum-level : To check the gauge as well as the cross level
Cant board : To check the difference in cross levels or the superelevation
Mallet or wooden hammer : To check the packing of the sleepers
Canne-a-boule : A modern equipment used to assess the voids under the sleepers
T-square : To check the squareness of sleepers
Stepped feeler gauge : To measure wear or clearances
Sleeper tong : To carry sleepers
Rail tong : To lift and carry rails
Beater : To pack ballast under the sleeper
Crowbar : To correct track alignment and to lift the track for surfacing. Clawed crowbars are used for taking out dog spikes.
Jim Crow : To bend or break the rails
(a) Spiking hammer : To drive spikes
(b) Keying hammer : To drive keys
Spanner : To tighten bolts
Wire claw or ballast rake : To draw or pull out ballast while screening, packing, etc.
Phowrah (shovel) : To cut earth or to pull out ballast
Auger : To bore holes in wooden sleepers
Box spanner : For driving rail screws or plate screws
Wire basket : For screening the ballastPan iron motor : For leading earth/ballast
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