Service Schedule, continued
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Visually Inspect | Check | Change | Clean | Test | Interval | |
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AC Electrical System |
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Controller lamp test | X |
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| R | Weekly |
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General Inspection | X |
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| Weekly |
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Circuit breakers, fuses[ | X | X | R | X | X | Monthly |
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Wire abrasions where subject to motion | X | X |
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| Quarterly |
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Safety and alarm operation |
| X |
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| X | Six Months |
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Tighten control and power wiring connections |
| X |
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| Yearly |
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Transfer switch main contacts[ | X |
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| X |
| Yearly |
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| D |
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| D | Yearly | |
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X |
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| X | 3 Years or | |
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| 500 Hrs. | |||
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Engine and Mounting |
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General inspection | D |
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| Weekly |
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Governor operation, lubricate moving parts | D | D |
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| Monthly |
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Air cleaner service |
| D | D |
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| Six Months |
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Choke, carburetor adjustment |
| D |
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| Six Months |
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Governor oil (mechanical governor only) |
| D |
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| Yearly |
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Ignition components | D |
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| D |
| Yearly |
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Injector pump and injector flow rate, pressure, spray pattern |
| D |
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| D | Yearly |
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Valve clearance |
| D |
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| 3 Years or |
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| 500 Hrs. | ||
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Bolt torque |
| D |
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| D | 3 Years or |
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| 500 Hrs. | |||
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Remote Control System, etc. |
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Compartment condition | X |
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| X |
| Weekly |
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Remote control |
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| X | Monthly |
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Run generator set |
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| X | Monthly |
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Alternator |
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General inspection | X |
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| Weekly |
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Rotor and stator | X |
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| X |
| Yearly |
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Bearing condition | X | X | R |
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| Yearly |
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Exciter | X | X |
| X |
| Yearly |
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Voltage regulator | X | X |
| X |
| Yearly |
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Measure and record resistance readings of windings with |
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insulation tester (Meggerr, with SCR assembly or rectifier |
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| X | Yearly |
disconnected) |
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Blow dust out of alternator* | X |
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| D |
| 2 Years or |
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| 300 Hrs. | |||
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General Condition of Equipment |
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Any condition of vibration, leakage, noise, temperature, or | X | X |
| X |
| Weekly |
deterioration |
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Ensure that system is set for automatic operation | X |
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| Weekly |
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Interior of equipment room or outdoor weather housing | X |
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| X |
| Weekly |
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D Follow procedures and frequencies indicated in the engine manufacturer’s maintenance manual. If not indicated, follow this service schedule. Some items may not apply to all generator sets.
R Replace as necessary. X Action.
* Service more frequently if operated in dusty areas.
[ Do not break manufacturer’s seals or internally inspect these devices.
Meggerr is a registered trademark of Biddle Instruments.
| Section 3 Scheduled Maintenance 139 |
