Airport Systems
SECTION 5. MAINTENANCE
5.1SGC-60 Master Controller
The Master Controller required no periodic maintenance. However, below are the instructions for installing a new transformer
5.1.1Transformer Replacement
see step 10 
Figure 5-1: SGC-60 Replacement Transformer
Transformer replacement instructions.
1.Open Controller unit and set power switch to off.
2.Secure Controller input power at the circuit breaker.
3.Verify power to the controller is off.
4.Remove 4 screws attaching Switch panel to standoffs.
5.Swing panel up and out of the way.
6.Remove 2 screws attaching the white wire pair to the transformer outer terminals.
7.Disconnect the black and white wire connectors from transformer inner terminals.
8.Remove 2 screws securing transformer to back panel and remove transformer.
9.Place new transformer in controller with terminals facing right and secure with upper screw only. Bottom screw not matched to back panel but should not affect operation.
Manual |