Generac Power Systems 04389-2, 04456-2, 04390-2 owner manual Service Schedule

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Section 4 — Maintenance

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators

4.13 SERVICE SCHEDULE

ATTENTION: It is recommended that all service work

be performed by the nearest Guardian Authorized Dealer.

	SYSTEM/COMPONENT				PROCEDURE			FREQUENCY
	X = Action		Inspect		Change		Clean	W = Weekly
	R = Replace as Necessary							M = Monthly
	* = Notify Dealer							Y = Yearly
	if Repair is Needed.
	FUEL
	Fuel lines and connections*		X					M
	LUBRICATION
	Oil level		X					M
	Oil				X			AFTER BREAK-IN,
								AND Y
	Oil filter				X			AFTER BREAK-IN,
								AND Y
	COOLING
	Enclosure louvers		X				X	W
	BATTERY
	Remove corrosion,		X				X	M
	ensure dryness
	Clean and tighten		X				X	M
	battery terminals
	Check charge state		X		R			EVERY 6 M
	Electrolyte level		X		R			EVERY 6 M
	(unsealed batteries only)*
	ENGINE AND MOUNTING
	Air cleaner		X		R			Y
	Spark plug(s)		X		R			Y
	GENERAL CONDITION
	Vibration, Noise, Leakage,		X					M
	Temperature*
	COMPLETE TUNE-UP*			TO BE COMPLETED BY A				Y
			GUARDIAN AUTHORIZED DEALER

22 Generac® Power Systems, Inc.

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Contents Installation Introduction Authorized Dealer LocationPost Installation Start-up Adjustments MaintenanceTroubleshooting Introduction Inside Front CoverGeneral Hazards Electrical Hazards ‹ Standards IndexUNPACKING/INSPECTION Protection SystemsBreaker for Bedrooms Generator 7 kW, Single Cylinder GH-410 EngineSpecifications ‹ 1.5.1 Generator‹ 1.5.2 Engine Reconfiguring the Fuel System System SET LEDFuel Requirements Recommendations Fuel ConsumptionTransfer Switch Location2 12KW and 15KW, 990CC Engines GeneratorBattery Installation BatteryCheck Transfer Switch Operation Before Initial START-UPElectrical Checks Generator Tests Under Load Checking Automatic OperationAdjusting the Regulator Natural GAS only Adjustment ScrewEngine Governor Adjustment Voltage Regulator Adjustment1 7 KW Units 2 12 KW and 15 KW UnitsBREAK-IN Procedure Automatic Transfer Operation‹ 3.2.1 Auto Position ‹ 3.2.2 OFF PositionManual Transfer Operation Sequence of Automatic OperationSetting the Exercise Timer ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature SwitchChecking the Engine OIL Level Approximate Crank Cycle Times‹ 3.7.4 Overspeed ‹ 4.3.2 OIL Change Procedure Changing the Engine OILChanging the OIL Filter ‹ 4.3.1 Engine OIL RecommendationsBattery Maintenance Spark PlugsAdjusting GH-410/GT-990 Valve Clearance Cooling SystemOUT of Service Procedure ‹ 4.12.1 Removal from Service‹ 4.12.2 Return to Service Corrosion ProtectionService Schedule Be performed by the nearest Guardian Authorized DealerTroubleshooting Guide Problem Cause CorrectionElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR SW1 Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists Circuit Breaker 40A X 2P Exploded Views and Parts Lists BOX GTS Load Center Exploded Views and Parts Lists COVER, 12 Position GTS Load Center 140 Sleeve Exploded Views and Parts Lists KNOB, AIR Cleaner 28 31 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Engine only Mounting Dimensions Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Your Warranty Rights and Obligations MANUFACTURER’S Emission Control System Warranty CoveragePURCHASER’S/OWNER’S Warranty Responsibilities Emission Control System Warranty Emission Related Parts Include the FollowingWarranty Schedule