4000 Switch Machine - Alstom

Cam BarPerform the following procedure, in sequence given, to remove and replace the cam bar.Adjustments or special tools, if required, are described in the procedure.WARNINGPower to switch machine must be cut off at control room beforeperforming this removal or replacement procedure.Removal Procedure1. Remove motor end, center, and point detector end covers along with cross bracesbetween covers.2. Remove all connecting hardware attaching throw bar to switch points.3. Remove amplifier, manual operation switch, motor with 5:1 gearbox, 30:1 gearbox, handthrow, and main drive.4. Remove throw bar, lock rod, point detection rod, point detection system, point detectionswitch module.5. Remove switch machine housing.6. Raise cam bar from machined cavity in switch machine base plate.Replacement Procedure1. Insert replacement cam bar into machined cavity of switch machine base plate.2. Replace throw bar, lock rod, point detection rod, point detection system, and pointdetection switch module.3. Replace amplifier, manual operation switch, motor with 5:1 gearbox, 30:1 gearbox, handthrow, and main drive.4. Replace motor end, center, and point detector end covers along with cross bracesbetween covers.5. Operate switch machine to verify proper operation.P2444, Rev. Jan/07 6-21ALSTOM Signaling Inc.