Diesel generators are essential for backup power in various industries, businesses, and homes. Proper maintenance is crucial to ensure longevity, efficiency, and reliability. Regular servicing helps prevent unexpected failures and costly repairs. But how often should you service your diesel generator? Let’s break it down.

General Service Intervals

The frequency of servicing your diesel generator depends on several factors, including usage, environment, and manufacturer recommendations. However, as a general guideline, follow these service intervals:

• Weekly Checks: Inspect for leaks, check fluid levels, and listen for unusual noises.
• Monthly Inspections: Test the battery, verify voltage output, and inspect the generator enclosure for wear and tear.
• Quarterly Maintenance: Change the oil and filter, inspect fuel filters, and ensure proper cooling system function.
• Annual Servicing: A thorough inspection by a professional technician should be conducted once a year. This includes load testing, coolant replacement, and fuel system checks.

Key Maintenance Factors

1. Operating Hours vs. Time-Based Servicing

Most manufacturers, such as Caterpillar Generator Company and Cummins Generator Canada, recommend servicing based on either operating hours or calendar time—whichever comes first.

• Light Use (Standby Generators): If your Diesel Generator is used as an emergency backup, service it at least once a year, even if it hasn’t been used extensively.
• Heavy Use (Prime Power Generators): Generators running continuously should be serviced every 250 to 500 hours, depending on the model and load conditions.

2. Oil and Filter Changes

For diesel motor generators, oil should be changed every 250 hours or as specified in the manufacturer’s guidelines. The oil filter should also be replaced at the same time to prevent contamination.

3. Fuel System Maintenance

• Diesel Generator fuel degrades over time, leading to clogged filters and injectors.
• Regularly drain water separators and check for fuel contamination.
• If storing fuel long-term, consider using additives to maintain quality.

4. Battery and Electrical System Checks

• Inspect batteries every three to six months to ensure they hold a charge.
• Look for corroded terminals and clean connections to prevent power failure.

5. Cooling System Inspections

• Coolant levels should be checked monthly.
• Inspect hoses and radiators for leaks or blockages to prevent overheating.

Environmental Considerations

Where your diesel fueled generators operate affects service frequency.

• Harsh Climates: Extreme cold or heat increases wear, requiring more frequent servicing.
• Dusty or Humid Conditions: Generators in dusty environments need air filter changes more often, while humid climates may lead to faster corrosion.

The Importance of Professional Servicing

While routine checks can be performed by the owner, professional servicing is recommended for deep inspections and repairs. Technicians ensure compliance with manufacturer standards, detect hidden issues, and provide valuable recommendations.

Looking for a Reliable Generator?

If you’re in the market for a generator for sale, BC GENERATORS offers high-quality options, including new and used generators for sale. We also provide expert servicing to keep your unit running efficiently.

Regular servicing is the key to extending the life of your generator and ensuring uninterrupted power supply. Stay proactive with maintenance, and your Generator will be ready when you need it most!