Maintenance
Owner’s Manual for 60 Hz Synergy™ Generators 25
Service Schedule
NOTE: Contact an Independent Authorized Service Dealer or visit www.generac.com for additional information on
replacement parts.
Table 4-1. Service Maintenance Schedule
Service
Daily If Running
Continuously
or
Before Each Use
Every
Year
Schedule A
Every Two
Years
or 200 Hours
Schedule B
Every Four
Years
or 400 Hours
Every 1000
hours
Check Enclosure Louvers
for Dirt and Debris *
●
Check Lines and Connections for
Fuel or Oil Leaks
●
Check Engine Oil Level ●
Check for Water Intrusion ** ●
Check Battery Condition, Electrolyte
Level, and State of Charge
●●●
Replace AVR Filter *** ●●
Replace Engine Oil and Oil Filter † ●●
Replace Engine Air Filter ●
Maintain Spark Plugs ●
Inspect/Adjust Valve Clearance ‡ ●
Replace Brushes ●
Contact the nearest Independent Authorized Service Dealer for assistance if necessary.
* Remove any shrubs or tall grasses which have grown within 3 ft. (0.91m) of the intake and discharge louvers on the sides of the enclosure. Clean any debris (dirt,
grass clippings, etc.) which have accumulated inside the enclosure.
** Verify that all sources of potential water intrusion such as water sprinklers, roof run-off, rain gutter down spouts and sump pump discharges are directed away from
the generator enclosure.
*** Replace AVR filter more often if operating in dusty conditions.
† Change engine oil and filter after the first 25 hours of operation. In cold weather conditions (ambient below 40
ºF / 4.4 ºC),
or if unit is operated continuously in hot weather conditions (ambient above 85
ºF / 29.4 ºC), change engine oil and filter
every year or 100 hours of operation.
‡ Check/adjust valve clearance after the first 25 hours of operation.
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