TM 10-3510-226-23
0025 00
TEST-CONTINUED
Test the Control Transformer
WARNING
This equipment operates at high voltages. Use extreme caution, observe all warnings,
and follow all safety procedures. Failure to observe safety precautions may result in
injury or death to personnel.
1. Open PLC enclosure.
2. Locate terminals 1(Figure 18, Item 33) and 4 (Figure 18, Item 34) on the terminal block (Figure 18,
Item 35).
3. Use a voltmeter to test for 24 VAC between terminals 1(Figure 18, Item 33) and 4 (Figure 18, Item
34) on the terminal block (Figure 18, Item 35).
4. If no voltage is present, check the surge arrestor IAW procedures given in this WP.
5. Replace an open transformer (Figure 19, Item 36).
6. Close PLC enclosure and monitor for normal operation.
35
33
34
Figure 18. Test the Control Transformer.
0025 00-21
