Use and Care Manual

4 Maintenance
4.1 Periodic Maintenance Schedule
Periodic maintenance is essential for top generator set performance. Use the Maintenance
Frequency table as a guide for normal periodic maintenance.
• In hot and dusty environments some maintenance procedures should be performed more
frequently, as indicated by the footnotes in the table.
• Maintenance, replacement or repair of emission control devices and systems may be
performed by any engine repair establishment or individual.
• Warranty work MUST be completed by an authorized Cummins dealer.
WARNING
Accidental or remote starting of the generator set can cause severe personal injury or death.
Before working on the generator set, move the switch (S2) to the Stop position, disconnect the
remote harness (P7) to disable the ATS mounted charger and remove the negative (-) battery
cable from the battery to prevent starting.
TABLE 10. MAINTENANCE FREQUENCY
Maintenance Task Maintenance Frequency
First Startup Daily or Every Every 3 Every 250 Every 400
24 Hours Months or 100 Hours Hours
Hours
Check Engine Oil Level X
2, 5
Change Engine Oil and Oil Filter After first 8 X
1
hours
Adjust Engine Valve Clearance After first 50 X
4
hours
4
Replace Engine Air Filter X
1
Clean and Check Starting X
Battery
Replace Spark Plugs and Wires X
3
Clean Engine Cooling Fins X
3
Complete System Test X
6
1. Perform more often when operating in dusty conditions.
2. Perform more often when operating in high temperature conditions.
3. Perform sooner if engine performance deteriorates.
4. Must be performed by a qualified mechanic (authorized Cummins Power Generation dealer).
5. Check daily during power outages, or monthly without power outages.
6. See automatic transfer switch manual for testing of load transfer.
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