Gardner Denver L15 Original Operating Manual page 42

10. Service and maintenance
Maintenance Schedule - L Series
Check air/oil reservoir oil level
Check operation of the machine, is it loading and unloading properly
Check discharge pressure and temperature
Check control panel for advisory text messages
Inspect, Clean if necessary Cooler / Fan
Replace oil filter element
Replace air filter element
Oil Sample
Replace cool air inlet filter pad (if app.)
Control Box Filter (if app.)
Visually check for leakage Shaft Seal
Replace Lubricant *
Replace Air/Oil Separator
Inspect, clean if necessary scavenge line, replace check valve
Inspect, service if necessary Inlet Valve
Inspect, re-grease if necessary Motor Bearings
Inspect, replace if necessary Drive Belts (if app.)
Inspect, replace if necessary Min. Pressure/Check Valve
Check pressure relief valve
Inspect, repair if necessary the Condensate Drains
Inspect, replace if necessary Solenoid Valves / Vacuum Switch
Inspect, replace if necessary Blow-down Valve
Inspect, replace if necessary Thermistor Probes
Inspect, replace if necessary Pressure Transducer
Inspect, replace if necessary Control Valves and Pressure Regulator
Inspect, replace if necessary Thermal Mixing Valve
Inspect, replace if necessary the drive Coupling Spider
Inspect, replace if necessary Hoses
* Drain and change as indicated by oil Analysis report, hour life rating of lubricant or every 12 months,
whichever occurs first.
These maintenance intervals must be kept!
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x In your own best interest you should check off maintenance work in the maintenance schedule as it is done.
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