Multiquip GAC6HZ manual Troubleshooting Engine, Engine Troubleshooting

Page 28

troubleshooting (ENGINE)

Table 6. Engine Troubleshooting

	Symptom	Possible Cause	Solution

		Spark plug bridging?	Check gap, insulation or replace spark plug.
	Difficult to start. Fuel is	Carbon deposit on spark plug?	Clean or replace spark plug.
	available but no SPARK	Short circuit due to deficient spark plug	Check spark plug insulation. Replace if
	at spark plug.	insulation?	worn.

		Improper spark plug gap?	Set to proper gap.
		ON/OFF switch is shorted?	Check switch wiring. Replace switch.

	Difficult to start. Fuel is	Ignition coil defective?	Replace ignition coil.
	available and SPARK	Improper spark gap, points dirty?	Set correct spark gap and clean points.
	is present at the spark
	is present at the spark	Condenser insulation worn or short	Replace condenser.
	plug.	Condenser insulation worn or short
	plug.	circuiting?
		circuiting?

		Spark plug wire broken or short circuiting?	Replace defective spark plug wiring.
	Difficult to start. Fuel	Wrong fuel type?	Flush fuel system and replace with correct
	is available, SPARK is	Wrong fuel type?	type of fuel.
	is available, SPARK is		type of fuel.
	present at the spark
	present at the spark	Water or dust in fuel system?	Flush fuel system.
	plug and compression	Water or dust in fuel system?	Flush fuel system.

		Air cleaner dirty?	Clean or replace air cleaner.
	is normal.	Air cleaner dirty?	Clean or replace air cleaner.

		Suction/exhaust valve stuck or protruded?	Reseat valves.
	Difficult to start. Fuel
	Difficult to start. Fuel	Piston ring and/or cylinder worn?	Replace piston rings or piston.
	is available, SPARK is	Piston ring and/or cylinder worn?	Replace piston rings or piston.

		Cylinder head and/or spark plug not
	present at the spark	Cylinder head and/or spark plug not	Torque cylinder head bolts and spark plug.
	present at the spark	tightened properly?	Torque cylinder head bolts and spark plug.
	plug and compression	tightened properly?
	plug and compression
	is low.	Head gasket and/or spark plug gasket	Replace head and spark plug gaskets.
		damaged?	Replace head and spark plug gaskets.
		damaged?
		Fuel not available in fuel tank?	Fill with correct type of fuel.

		Fuel cock does not open properly?	Apply lubricant to loosen fuel cock lever.
	No fuel present at	Fuel cock does not open properly?	Replace if necessary.
	No fuel present at		Replace if necessary.
	carburetor.	Fuel filter clogged?	Replace fuel filter.

		Fuel tank cap breather hole clogged?	Clean or replace fuel tank cap.

		Air in fuel line?	Bleed fuel line
	Weak in power.	Air cleaner dirty?	Clean or replace air cleaner.
	Weak in power.
	Compression is proper	Improper level in carburetor?	Check float adjustment. Rebuild carburetor.
	and does not misfire.
	and does not misfire.	Defective spark plug?	Clean or replace spark plug.
		Defective spark plug?	Clean or replace spark plug.

page 28 — GAC-6HZ 60 hz gENERATOR• operation and parts manual — rev. #1 (03/31/10)

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Contents Model gaC-6HZ Table of Contents GAC6HZ Portable 60 Hz GeneratorChoose from three easy options Safety Information SaFeTY messagesGeNeRal saFeTY GeNeRaTOR saFeTYENgiNe saFeTY Fuel saFeTYEleCTRiCal saFeTY Power Cord/Cable safetyGrounding safety BaTTeRY saFeTY eleCTRiC sTaRT ONlYTRaNspORTiNg saFeTY ENviRONmeNTal saFeTYPage Specifications gENERATOR Specifications GeneratorSpecifications engine Effects of Altitude and HeatDimensions 18.9 480 MM 30.70 in 780 MMPage Installation Connecting the GroundOutdoor Installation Indoor InstallationPlacement Generator GroundingGenerator General informationControl Box Components generator GAC-6HZGAC-6HZ Extension Cable General Inspection Prior to Operation Ground Power ToolsMain/GFCI Circuit Breakers Battery Check Before StartingEngine Oil Check Fuel CheckBefore Starting the Engine OperationStarting the Engine Do not pull the starter rope all the way to the end Stopping the Engine Normal Shutdown Operation/shutdownEmergency Shutdown Preparation for long term storage Generator StorageMaintenance First EveryMaintenance Engine Air CleanerDaily WeeklyGenerator wiring digram SW3Troubleshooting Engine Engine TroubleshootingWeak in power Water in fuel system? Troubleshooting Generator Page Explanation of Code in Remarks Column Suggested Spare Parts GAC6HZ- nameplate and decalS Assy 5561048 and belowPart Name GAC6HZ Generator Assy RECTIFIER, D3SB80 Surge AbsorberBearing SET BOLT, RotorGAC6HZ Control BOX Assy Idle Control Switch Operation SwitchStater Switch Control BOXGAC6HZ Muffler Assy BOLT, HEX Head MufflerBracket GAC6HZ Pipe Frame Assy Battery Sheet Battery BandBattery Bolt Pipe FrameHonda GX340K1/U1EDE2 AIR Cleaner Assy ELEMENT, AIR Cleaner SEPARATOR, AIR CleanerCASE, AIR Cleaner STAY, AIR CleanerHonda GX340K1/U1EDE2 Engine Camshaft Assy SPRING, Weight Return Includes ITEMS/W$ROD, Push ARM, Valve RockerHonda GX340K1/U1EDE2 Engine Carburetor Assy Gasket SET Valve SET, FloatFloat SET Chamber SET, FloatHonda GX340K1/U1EDE2 Engine Carburetor Assy GASKET, AIR Cleaner CLIP, Wire HarnessSTAY, Solenoid LEVER, ChokeHonda GX340K1/U1EDE2 Engine Control Assy SPRING, Control Adjusting ARM, GovernorROD, Governor SPRING, GovernorHonda GX340K1/U1EDE2 Engine Crankcase Cover Assy WEIGHT, Governor HOLDER, Governor WeightPIN, Governor Weight GASKET, Case CoverHonda GX340K1/U1EDE2 Engine Crankshaft Assy WEIGHT, Balancer Honda GX340K1/U1EDE2 Engine Cylinder Barrel Assy Switch ASSY., OIL Level WIRE, GroundSHAFT, Governor ARM BOLT, Drain PlugHonda GX340K1/U1EDE2 Engine Cylinder Head Assy GUIDE, Valve OS Optional CLIP, Valve GuideGASKET, Cylinder Head COVER, HeadHonda GX340K1/U1EDE2 Engine FAN cover Assy Shroud COVER, FAN *NH1* BlackGROMMET, Drain Hole Honda GX340K1/U1EDE2 Engine Flywheel Assy PULLEY, Starter FAN, CoolingFlywheel COMP., Lamp Honda GX340K1/U1EDE2 Engine Ignition Coil Assy CLAMP, Wire GROMMET, WireWIRE, Stop Switch 470MM HOLDER, Stop Switch WireHonda GX340K1/U1EDE2 Engine Piston Assy BOLT, Connecting ROD Ring SET, Piston STDPiston STD PIN, PistonHonda GX340K1/U1EDE2 Engine Recoil Starter Assy PULLEY, Recoil Starter RATCHET, StarterSPRING, Friction SPRING, Starter ReturnHonda GX340K1/U1EDE2 Engine Solenoid Assy LEVER, Throttle SPRING, Choke ReturnSolenoid Assy Honda GX340K1/U1EDE2 Engine Starter motor Assy WIRE, Water Cover Contactor AssyArmature Comp BRACKET, FrontHonda GX340K1/U1EDE2 Engine Fuel Cock Assy PACKING, Fuel Strainer CUP RingFilter CUP CUP, Fuel StrainerHonda GX340K1/U1EDE2- Engine Decals Assy DECAL, AIR Cleaner DECAL, ChokeDECAL, Choke Gray Emblem GX240 HondaHonda GX340K1/U1EDE2 Engine Tool KIT Wrench COMP. Spark Plug HANDLE, BOX WrenchSapnner BAG ToolTerms and Conditions of Sale Parts FReigHT pOliCYPage HERE’S HOW to GET Help