4000 Switch Machine - Alstom

Cross BraceBoth cross braces are attached and held to the switch machine housing. The following procedurecan be used to remove and replace either one of the switch machine cross braces. Refer toFigure 6-2 while performing this procedure. No adjustments or special tools are required.Removal Procedure1. Remove motor end and center covers.2. Remove two socket head cap screws on each side attaching cross brace to switch machinehousing.3. Remove by pulling upward while separating cross brace from machined cavity in switchmachine housing.4. Check cross brace for cracks or fractures that may allow water to enter switch machine orcompromise the strength of cross brace.Replacement Procedure1. Insert cross brace into machined cavity of switch machine housing.2. Install two socket head cap screws on each side attaching cross brace to switch machinehousing.SCREWS (2)SCREWS (2)CROSSBRACEFigure 6-2. Cross Brace Removal and Replacement ComponentsP2444, Rev. Jan/07 6-3ALSTOM Signaling Inc.