Page 161 - GM E-booklet 2022-23

2. Test Bench for Electro Pneumatic Contactors

DLS/KZJ has started TOH/IOH schedule attention of WAG7 electric

locomotives from July-2020 onwards. A test bench is fabricated to
test the Line contactors, shunt contactors &C145 during TOH & IOH
schedules. On this test bench, 3 EP contactors can be tested
simultaneously. This test bench is used to measure pick up voltage
and drop out voltage. This test bench is also used to test magnet
valves.

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