PIN, Piston D20 | Generac Power Systems 5253, 5252, 5254, 5251, 5255

				Section 9 — Exploded Views and Parts Lists
				Section 9 — Exploded Views and Parts Lists
				Air-cooled Generators
				7kW, GN-410 Engine – Drawing No. 0F9428 - Part 1
	ITEM	PART NO.	QTY.	DESCRIPTION
	1	0E3221	1	ASSEMBLY, CONNECTING ROD
	2	0E1466	1	PIN, PISTON D20
	3	021533	1	SET, PISTON RING 90MM
	4	0E2985	1	PISTON, HC
	5	071983	2	RETAINER, PISTON PIN 20
	6	0E8440	1	ASSEMBLY, CRANKSHAFT GH410 SMALL TAPER
	7	0A7628	1	ARM, GOVERNOR RC45
	8	078658	1	PIN, “R” GOVERNOR ARM
	9	078659	2	WASHER, GOVERNOR ARM THRUST
	10	088261E	1	CRANKCASE, SUBASSEMBLY WITH PLUGS GH410
	11	0E3812	2	SEAL, 35 I.D. CRANKSHAFT
	12	0E6519	1	ASSEMBLY, GOVERNOR GEAR
	13	078645	1	C-RING, GOVERNOR GEAR RETAINER
	14	0A7811	1	SPOOL, GOVERNOR- MACHINE
	15	0A9877	1	ASSEMBLY, CAMSHAFT & GEAR
	16	076701	1	GASKET , CRANKCASE
	17	021713B	1	GASKET, HEAD 410
	18	078691	1	COVER, OIL PRESSURE RELIEF
	19	0A5771	1	SPRING, OIL RELIEF 360
	20	0A5776	1	BALL, DIA 11/32 PRESSURE RELIEF
	21	076361	1	WASHER, THRUST GOVERNOR GEAR
	22	0A8898D	1	ASSEMBLY, COVER, GEAR TOP CHECK / FILL
	23	0D2274	2	RETAINER, VALVE SPRING
	24	0C4391	2	VALVE SPRING LF
	25	086025	1	SET,GEROTOR 12 THK
	26	0E3341	1	BALANCER
	27	021714	1	ASSEMBLY,CYLINDER HEAD SEATS & GUIDES
	28	086516	1	VALVE, EXHAUST
	29	086517	1	VALVE, INTAKE
	30	0D9853B	2	PUSH ROD 174.9
	31	083897	2	TAPPET
	32	077158	1	ASSEMBLY, SCREEN OIL PICK-UP
	33	0C3150	1	GASKET, ROCKER COVER 410
	34	072694	2	STUD, D20 PIVOT BALL
	35	083907	2	ROCKER ARM
	36	072696	2	NUT, JAM (ROCKER ARM)
	37	078694	1	PLATE, PUSH ROD GUIDE
	38	021742	4	SCREW, HHFL M10-1.5 X 105
	39	0D6094	1	ASSEMBLY, ROCKER COVER BREATHER
	40	076329	1	PLUG, OIL FILL PLASTIC
	41	0E0057	1	O-RING 17.8 I.D. x 2.4
	42	0D4788	1	PLUG, STANDARD PIPE 3/8 STEEL SQUARE HEAD
	43	074908	1	SCREW, TAPTITE M5-0.8 X 10 BP
	44	086515	4	KEEPER, VALVE SPRING
	45	078606	4	SCREW & LOCKWASHER M6-1 X 12
	46	0A1442	8	SCREW, HHFC M8-1.25 X 42
	47	078672	1	SEAL, VALVE STEM D7
	48	089673	2	WASHER, VALVE SPRING
	49	0B2104	1	WASHER, LARGE SPRING
	50	078699C	2	DOWEL, SEAMED SLEEVE
	51	0A7627	1	SHAFT, GOVERNOR RC55
	52	043790A	1	BARBED ELBOW 90 3/8NPT X 3/8 LOCKTITE
	53	088590	1	DOWEL DIA 12 X 18L
	54	078699B	1	DOWEL, SLEEVE SEAMED 12 DIA.

57

Image 59

Generac Power Systems 5253, 5252, 5254, 5251, 5255 owner manual PIN, Piston D20

Contents

Listed Authorized Dealer Location Introduction Introduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance Troubleshooting  Warning  ‹ Standards Index  Electrical Hazards  Breaker for Bedrooms UNPACKING/INSPECTIONProtection Systems 7kW, Single Cylinder GH-410 Engine Generator ‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator ‹ 1.8.1 BTU Flow Requirements Natural GAS System SET LEDFuel Requirements Recommendations Fuel Consumption ‹ 1.9.2 10, 13 and 16KW, V-TWIN Engines Reconfiguring the Fuel System‹ 1.9.1 7 KW, 410CC Engine ‹ 1.10.1 Generator Location 10.2.1 7, 10, 13, and 16 kW Units if equipped Battery RequirementsBattery Installation ‹ 1.10.2 Transfer Switch 10 Battery Cable Connections Battery Electrical Checks Check Transfer Switch OperationBefore Initial START-UP 7KW Natural GAS only Generator Tests Under LoadChecking Automatic Operation ‹ 2.7.1 7 KW Units Engine Governor Adjustment ‹ 3.1.3 Manual Position ‹ 3.1.1 Auto Position ‹ 3.1.4 Choke Operation Automatic Transfer OperationSequence of Automatic Operation Manual Transfer Operation ‹ 3.4.2 Transfer Back to Utility Power Source Setting the Exercise Timer Approximate Crank Cycle Times ‹ 3.6.1 LOW OIL Pressure Switch‹ 3.6.2 High Temperature Switch ‹ 3.6.3 Overcrank ‹ 3.6.5 RPM Sensor Failure ‹ 3.6.6 LOW BatteryChecking the Engine OIL Level Fuses ‹ 4.3.2 Engine OIL Recommendations Changing the Engine OIL‹ 4.3.1 OIL Change Intervals ‹ 4.4.2 10KW Generators Spark Plugs‹ 4.4.1 7, 13, and 16KW Generators Valve Clearance Battery Maintenance 11 Cooling Vent Locations Cooling System Corrosion Protection OUT of Service Procedure‹ 4.11.2 Return to Service ‹ 4.11.1 Removal from Service Be performed by the nearest Authorized Dealer Service Schedule Problem Cause Correction Troubleshooting Guide Air-cooled Generators Air-cooled Generators Air-cooled Generators Mounting Dimensions Electrical Data Engine Wiring Customer Connection Battery Charger Engine Alternator Engine Wiring Stator Electronic Voltage Regulator Manual Auto Scsm Neutral Electrical Data Electrical Data Sheet Metal PAINT/MATERIAL Code Legend Part NO. QTY. Description Air-cooled Generators Control Panel Drawing No F9695-C QTY Description Exploded Views and Parts Lists BOX Load Center Exploded Views and Parts Lists Description QTY Exploded Views and Parts Lists Washer Flat M8 5/16 Exploded Views and Parts Lists Crankcase Exploded Views and Parts Lists Intake Adapter Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Air-cooled Generators 7kW, GN-410 Engine Drawing No F9422-B ADAPTOR, Engine Exploded Views and Parts Lists ADATOR, Engine 7KW CASTING, Twin Regulator Housing 7KW Exploded Views and Parts Lists Brkt Regulator Mounting PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System Warranty Generac Power Systems Standard Limited Warranty for