Models 5E, 5F, 5G & 5H Electric Switch Machines: Single ... - Alstom

Scheduled MaintenanceTable 4–14. Point Detector Rod Check and Adjustment Procedure (Cont.)StepAction11 Hand crank the switch machine to close the near switch point against the1/8” obstruction gauge, and adjust the point detector plate so that the pointdetector contacts are broken off their stops (closed) less than 1/32”. Afterthe point detector plate adjustment bolts are tightened, observe that thepoint detector contacts are still broken off their stops (closed) less than1/32”.12 Hand crank the near switch point open enough to remove the 1/8”obstruction gauge.13 Hand crank the near switch point closed and observe that the switchmachine locks with the point detector contacts broken off their stops (open)1/32” - 1/16”.14 Hand crank the near switch point open enough to insert a 1/4” obstructiongauge.15 Hand crank the switch machine to close the near switch point against the1/4” obstruction gauge observing that the switch machine does not lock andthe point detector contacts do not break off their stops (open).16 Hand crank the near switch point open enough to remove the 1/4”obstruction gauge.17 Remove the hand crank from the clutch shaft and reset the cutout contact bymoving the blocking plate to the normal position.Re-install all covers and padlocks.Restore the switch machine power by installing the power fuses and heaterfuse.Restore the machine to service.P1293, Rev. Jun/07 4–28 Alstom Signaling Inc.