13.07.2015 Views

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

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

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

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Scheduled Maintenance4.11.2. Blocking Rectifier TestTable 4–27. Blocking Rectifier Test ProcedureStepAction1 Locate the blocking rectifiers connected between the coils of each biasedneutralcontactor to protect it against the effects of lightning.2 Place a milli-ammeter in the control circuit.3 Check current. It should not exceed 0.025-ampere when the machine is fullyover and locked.4 Change switch position to alternate correlation (Normal to Reverse)5 Check current. It should not exceed 0.025-ampere when the machine is fullyover and locked.6 If the current is too high replace the rectifier.P1293, Rev. Jun/07 4–51 <strong>Alstom</strong> Signaling Inc.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!