Generac 004626-1, 004373-2, 004373-2, 004626-1 owner manual QTY Description Part NO. QTY

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Section 7 — Exploded Views and Parts Lists

(Model Nos. 004373-2 & 004626-1) Guardian Liquid-cooled 40 kW Generators

Generator – Drawing No. 0D9490

ITEM	PART NO.	QTY.	DESCRIPTION		ITEM	PART NO. QTY.		DESCRIPTION
1	051768	7	SCREW HHC M12-1.75 X 25 G8.8	25		046852	1	SCREW HHTT #10-32 X 1/4 CZ
2	051769	7	WASHER LOCK M12	26		022145	1	WASHER FLAT 5/16 ZINC
3	0A8240	2	FLEX PLATE SAE10	27		039287	4	SCREW HHC M8-1.25 X 45 G8.8 FT
4	039253	6	SCREW HHC M8-1.25 X 20 G8.8	28		071641	1	BRUSH HOLDER ASSEMBLY
5	022129	7	WASHER LOCK M8-5/16	29		071639	1	HOLDER BRUSH SUPPORT
6	082130D	1	ASSEMBLY MAG PICKUP 72"	30		0A2110	2	SCREW SWAGE 1/4-20 X 1/2 Z/YC
7	0C4286	1	ASSEMBLY FAN W/PRESS DISC 10.75 X 3	31		022473	8	WASHER FLAT 1/4 ZINC
8*	0A2601	1	SCREW HHC M16-2.0 X 45 G8.8	32		022746	1	SCREW HHC 3/8-16 X 1-3/4 G5
9*	0A2602	1	WASHER FLAT .688 ID X 3.25 OD	33		031980	2	TIE WRAP UL 14.6 X .14 NATL
10*	0A1138	1	KEY SQ 3/8 X 2-1/2 STEEL	34		083549	1	SLEEVE RUBBER
11*	021941	1	COUPLER 390 SAE	35		0A4089	1	ASSEMBLY SCROLL 390 SAE
12	020808A	1	ROTOR 390 40 1P DIRECT			KIT 0A4089 PARTS
13*	052624	1	BEARING BALL 6212 SEALED	36		0A2491	2	SHROUD ALTERNATOR SHEET METAL
14*	070892	1	SLIP RING -MACHINED-	37		0A2497	2	SCREEN SHROUD SAE
15	0A5580	4	SCREW HHC M14-2.0 X 140 G8.8	38		0A2496	2	BRACKET TENSIONER SAE SCROLL
16	0A1633	4	WASHER 390 SAE ALT.	39		056326	8.4 FT	TRIM VINYL BLACK 1/8 GP
17	020729A	1	STATOR 390 40 AD2 SAE	40		022097	6	WASHER LOCK M6-1/4
18	022131	12	WASHER FLAT 3/8-M10 ZINC	41		045757	2	SCREW HHC M6-1.0 X 25 G8.8
19	022237	11	WASHER LOCK 3/8	42		047411	4	SCREW HHC M6-1.0 X 16 G8.8
20	022511	11	SCREW HHC 3/8-16 X 1-1/4 G5	43		0A2110	12	SCREW SWAGE 1/4-20 X 1/2 Z/YC
21	068113	1	CARRIER REAR BEARING 15"
22	068115	1	LOWER PANEL 15
23	043123	4	WASHER LOCK M14			* ROTOR REPLACEMENT PARTS
24	051779	4	NUT HEX M14-2.0 G8 YEL CHR

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Contents Power SYSTEMS, INC Authorized Dealer Location IntroductionSection Installation Drawings 56-57 Warranty Back Cover Safety Rules General InformationInstallation MaintenanceGeneral Hazards Electrical Hazards Generator AC Connection Systems Prepackaged Transfer SwitchUNPACKING/INSPECTION GeneratorMain Circuit Breaker SpecificationsEngine Protective Devices Conversion to LP GAS Vapor Fuel Requirements RecommendationsGenerator and Load Compatibility EngineEmissions Control System CoolantAIR Fuel Ratio Controller Other Published Standards Standby Generator InstallationBasic Standby Electric System Nfpa StandardsEmergency Circuit Isolation Method Transfer Switch Start Signal ConnectionsPre-Packaged Type Switch GTS Type Engineered SwitchPreparation Before START-UP Battery InstallationVented Batteries Prior to Initial START-UP Using the AUTO/OFF/MANUAL Switch Sequence of Automatic Operation OFF PositionManual Position Automatic Transfer OperationChecking the Engine OIL Level Weekly Exercise CycleEngine Oil Recommendations Oil and Filter Change ProcedureChanging the Engine AIR Cleaner Changing the Engine OIL and FilterSpark Plugs Battery MaintenanceDC Fuse Miscellaneous MaintenanceCleaning the Generator Overload Protection for Engine DC Electrical SystemRemoval From Service OUT of Service ProcedureReturn To Service SYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Section Generac Generac Power Systems,Inc Electrical Data Electrical Data Electrical Data Wiring Diagram Customer Connection HRS Power Systems IncPart NO. QTY. Description Generators Part NO. QTY Description Part NO.QTY Description QTY Description 4640 31 33 Washer Flat 3/8-M10 Zinc Part NO.QTY. DescriptionExploded Views and Parts Lists Flywhl 4.3L GM SAE Stator Leads Scrolldetail To Engine Flywheel QTY Description Part NO. QTY Description QTY Assembly Cover AccessRadiator Copper Brass Gasket Carburetor Adaptor Gasket Carb Impco To Carburetor QTY. DescriptionSupport Solenoid NAT GAS QTY. Description To Starter Solenoid RED Black To Engine Block ALT Leads Sensing Wire Siemens FD 3 Pole QTY Description Exploded Views and Parts Lists Part NO. QTY. Description Muffler 2-1/2 INLET/OUTLET Guardian Liquid-cooled 40 kW Generators Installation Drawings 12V Battery see Note Lifting EYE Places This Warranty Shall not Apply to the Following Warranty Schedule