CSA 282-15 Guidelines for Generator Maintenance

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Table 6 - Quinquennial (every five years) inspection, test, and maintenance requirements

(See Clauses 11.1.2, 11.5.1, and 11.5.2.)

1. Generator:
Inspect insulation of generator windings. Use an insulation tester (megger). The resistance in megohms should be not less than ((Rated voltage + 1000) / 1000)
If the resistance is less, dry out the insulation using the auxiliary heat process.

2. Engine:
(a) Drain and flush the cooling system. Refill the system with new coolant.
(b) Clean radiator tubes and cooling fins.
(c) Replace thermostats.
(d) Inspect valve clearances and adjust as appropriate.

3. While performing the full load test required by Clause 11.3, conduct an infrared thermal imaging assessment of all electrical connections, contacts, and energized components.

4. Correct all defects found during inspections and tests.

5. Record all inspections, tests, and corrective actions in the log (see Clause 11.5.3).

Note: Items 1 to 5 require special skill and shall be carried out by a qualified contractor, the system manufacturer, or individuals trained and certified by the system manufacturer.