Figure 5-9. Sync Check Relay K106, Test Setup

Figure 5-8. Phase Sequence Relay K103, Test Setup

Figure 5-10. Undervoltage Relay K111, Test Setup

TM-5-6115-593-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 600 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 Figure 5-9. Sync Check Relay K106, Test Setup on terminals 1 and 2 to 0.05 amp. (b) Turn the adjusting potentiometer fully clockwise. (c) Push the Press-to-test Button. (d) Turn the adjusting potentiometer slowly counterclockwise until the contact between terminals 3 and 5 closes. Stop at that point and release the Press-to-test Button. (e) Wait 15 seconds and push the Press-to-test Button. The contact between terminals 3 and 5 must close after an interval of approximately 4 to 5 seconds. (3) Replacement. Remove relay (67, figure 5-1, sheet 2) by disconnecting and tagging wires and removing four screws (66). g. Short Circuit Relay K113 (71, figure 5-1). (1) Test. (a) Connect the relay in the test setup shown in figure 5-12. (b) Connect a lamp and a 24V DC power supply in series with terminals 5 and 6 (DS1), also with terminals 7 and 8 (DS2) and switch S3. Relay trip will be indicated by the two lamps: DS1 shall extinguish; DS2 shall light. (c) Connect a variable 0 to 120V AC source (50 to 60 Hz) between terminals 1 and 4 and slowly increase the voltage. The relay shall transfer lights when voltage equals 24 volts ± volt. 5-12

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