Emergency Crank Handle (S.R. 3.38.7, App XI-6)
- 1
Where points are operated by motor, emergency crank handle is required for operation during failure of points.
- 2
They are secured in glass fronted wooden box/case and sealed in cabin/station along with key & padlock of point machine.
- 3
SM to be conversant with the use of crank handle.
- 4
They are chained to key in HKT in wooden box.
- 5
By pressing the release button, turn HKT to the left and extract the key along with the crank handle.
- 6
Once the crank handle is removed, no signal can assume off aspect until it is again inserted in the HKT.
- 7
The emergency crank handle is inserted in point machine and rotated to set & lock the points in required position in presence of SM on duty.
- 8
Before inserting crank handle, care must be taken that the relevant lever/knob is kept in the required position.
- 9
Whenever points are operated by crank handle, this must be clamped & padlocked before authorizing any train movement over them.
- 10
After using crank handle, if point showing steady aspect, the crank handle may be restored in its place and signals taken โoffโ after clamping and padlocking.
- 11
After failure is rectified, the crank handle is restored in the box and HKT key inserted and turned fully to right until key โinโ indication appears in the panel.
- 12
Box to be locked and sealed.
- 13
Suitable entries made in the crank handle register.
- 14
In case of stations provided with end cabins, when route is locked, crank handle can be extracted by pressing route cancellation button and after 120 seconds the free indication appears in the HKT and it must be rotated to extract the key.
- 15
Whenever S&T officials require crank handle for testing or maintenance, disconnection will be given and entry in the register be made.