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

Corrective MaintenanceTable 6–7. Switch Machine Disassembly and Assembly Procedure (Cont.)StepAction8 Remove the two nuts holding the throw bar guard (6).Remove the guard by pulling the guard straight away from the machine.Repeat this step for the opposite throw bar guard.9 Remove the lock and detector rod guard (7) by tapping the guard slightly tothe left, unlocking the guard from the two flat head pins.Lift the guard straight up and off.10 Crank the machine to center (midstroke) position. For Models 5F and 5H besure arrow on washer on end of operating crankshaft is aligned with thecenterline of the machine. Remove the cotter pin holding the rod to the crankon the bracket.11 Remove the two screws, securing the hand throw cutout switch block to theframe. Remove the cutout switch block and carefully lay over side of switchmachine housing.P1293, Rev. Jun/07 6–11 Alstom Signaling Inc.