Proper storage of diesel generator sets is crucial to maintain their performance and longevity, especially during extended periods of inactivity. Whether storing backup units or seasonal equipment, following these guidelines will help prevent damage and ensure reliable operation when needed.
1. Fuel System Preparation
Before storing a diesel generator set, stabilize the fuel by adding appropriate preservatives to prevent degradation and microbial growth. Ideally, run the generator for a few minutes to circulate treated fuel through the system. For long-term storage, consider draining the fuel tank and fuel lines completely to avoid residue buildup.
2. Battery Maintenance
Disconnect and remove the battery to prevent discharge and corrosion. Store it in a cool, dry place and maintain charge levels using a trickle charger. Periodically check the battery voltage to ensure it remains operational.
3. Lubrication and Engine Protection
Change the engine oil before storage to remove contaminants that could cause corrosion. For extended inactivity, apply a fogging oil to internal engine components to prevent rust. Rotate the engine manually every few months to avoid bearing damage.
4. Moisture and Dust Prevention
Store the diesel generator set in a clean, dry, and well-ventilated area. Use breathable covers to protect against dust while allowing moisture to escape. Silica gel packs or dehumidifiers can help control humidity inside the enclosure.
5. Cooling System Care
Drain and flush the cooling system if storing in freezing temperatures to prevent cracking from ice formation. Alternatively, use antifreeze solutions rated for the expected climate conditions.
6. Periodic Maintenance Checks
Even in storage, inspect the diesel generator set periodically for signs of corrosion, rodent damage, or fluid leaks. Rotate the crankshaft occasionally to maintain lubrication distribution.
Proper storage practices significantly extend the service life of diesel generator sets and ensure they remain ready for immediate use. By addressing fuel, battery, lubrication, and environmental factors, users can safeguard their equipment against common storage-related issues. Following these steps will help maintain reliability and performance when the generator is eventually put back into service.
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