Maintenance
Operation & Maintenance Manual
22637300
71
ADJUSTMENT INSTRUCTIONS and TESTING PROCEDURES
ACCESSING COMPARTMENT
1. Disconnect all electrical loads to the unit.
DANGER
!
High Voltage is present in alternator and control compartments when
engine is running. Battery voltage is present whenever battery is
connected.
2. With engine stopped, remove the plate on the left side or front of the alternator
junction box.
VOLTAGE REGULATOR ADJUSTMENT
Refer to ACCESSING COMPARTMENT Section and Figure 8-1 for locations.
1. With all electric loads disconnected, engine stopped and main breaker turned
on, turn VOLTAGE SELECTOR Switch to 277/480V position, and close and
latch the VSS door.
2. Adjust “Voltage” POT(P2) on regulator to full counterclockwise position.
3. Adjust “Voltage” POT on control panel to full clockwise position.
4. Start unit.
5. Verify generator frequency to 62-63 Hz at no load on G10 - G40, 60-60.5 Hz on
G60 - G570.
6. Set the VOLTAGE OUTPUT MONITOR switch on the control panel to L
1
-L
2
position.
7. Adjust “VOLTAGE” POT(P2) on the regulator to read 500V on AC voltmeter.
8. Adjust “Stability” POT(P3) counter clockwise until the AC volts within ± 1 volt.
Then turn the adjusting “Stability” POT (P3) some 5-10 degrees clockwise.
9. Adjust “Voltage” POT on control panel to read 480V on AC voltmeter.
10. Stop Generator Set.
11. Check the range in each VOLTAGE SELECTOR switch position (120/208, 120/
240 and 277/480).
Summary of Contents for G10WMI-2D-T2
Page 2: ...2 ...
Page 5: ...22637300 5 Drawbar Notice ...
Page 7: ...22637300 7 Safety Symbols ...
Page 11: ...Safety Symbols Operation Maintenance Manual 22637300 11 ...
Page 12: ...12 22637300 Always use genuine replacement parts ...
Page 13: ...22637300 13 Safety ...
Page 21: ...22637300 21 General Data ...
Page 28: ...28 22637300 ...
Page 29: ...22637300 29 Operating Instructions ...
Page 36: ...Operation Maintenance Manual Operating Instructions 36 22637300 20 18 19 21 22 ...
Page 54: ...Operation Maintenance Manual Operating Instructions 54 22637300 ...
Page 55: ...Operating Instructions Operation Maintenance Manual 22637300 55 ...
Page 65: ...22637300 65 Maintenance ...
Page 75: ...22637300 75 Alternator Installation and Maintenance ...
Page 103: ...Alternator Installation and Maintenance Operation Maintenance Manual 22637300 103 ...