Generac Power Systems 004992-1, 004992-0, 004992-0, 004992-1 owner manual Maintenance Level

Section 4 — Maintenance

Guardian 40kW Liquid-cooled Generators

Maintenance	Level 1		Level 2		Level 3		Level 4
Tasks	Recom-	Task	Required	Task	Required	Task		Task
	mended	Comp.	to be done	Comp.	to be done	Comp.	Required	Comp.
	to be done	(Date-	3 months/	(Date-	Semi-	(Date-	to be done	(Date-
	monthly	Initials)	Break-in	Initials)	annually	Initials)	Annually	Initials)

13.Initiate an automatic start and transfer of the unit to site load and exercise it for at least 1 hour looking for

leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

14.Start and exercise the unit at full rated load (use a

load bank if the site load is not enough) for at least 2 hours looking for leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

15. Change the engine oil.

16.Replace the engine oil filter(s).

17.Replace the engine air filter(s).

18.Replace the engine fuel filter(s) on diesel engine driven units and re-prime the fuel system.

19.Check the engine spark plugs on gas engine driven units. Clean and re-gap or replace as necessary.

20.Perform a 5 minute no-load operational run of the unit looking for any post service problems.

21.Return the unit to standby

setup for operation when required.

22 Generac® Power Systems, Inc.