Procedure
1. Close valve V
1
and valve V
2
2. Close valve V
3
3. Observe Reduction in Oil Level in Relay
4. If Oil level Reduction > 100 c.cm, then Alarm light blink
5. If Oil level Reduction > 300 c.cm, then Trip Circuit light blink (Alarm stays ON)
0
100
200
300
400
500 c.cm
Oil Level Drained:
0
c.cm
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