Multiquip QP-40TE manual QP- 40TE Troubleshooting Engine, Engine Troubleshooting

Page 26

QP- 40TE — TROUBLESHOOTING (ENGINE)

TABLE 5. ENGINE TROUBLESHOOTING

	SYMPTOM	POSSIBLE PROBLEM	SOLUTION

	Difficult to start

		Ignition plug being bridge?	Check ignition system.

	Fuel is available but spark plug	Carbon deposit at ignition?	Clean or replace ignition.
	Fuel is available but spark plug
	will not ignite. (Power available	Short circuit due to defective	Replace insulators.
	at high tension cable).	Short circuit due to defective	Replace insulators.
	at high tension cable).	insulators?
		insulators?

		Improper spark gap?	Set spark plug gap to the correct gap.

	Fuel is available but spark plug	Short circuit at stop switch?	Check stop switch circuit. Replace stop switch if defective.
	will not ignite. (Power NOT
	will not ignite. (Power NOT
	available at high tension cable).	Ignition coil defective?	Replace ignition coil.

		Muffler clogged with carbon	Clean or replace muffler.
		deposits?

		Mixed fuel quality is	Check fuel to oil mixture.
	Fuel is available and spark plug	inadequate?
	ignites (compression normal).
	ignites (compression normal).	Fuel in use inadequate (water,	Flush fuel sytem and replace with fresh fuel.
		Fuel in use inadequate (water,	Flush fuel sytem and replace with fresh fuel.
		dust)?

		Air Cleaner clogged?	Clean or replace air cleaner.

		Defective cylinder head gasket?	Tighten cylinder head bolts or replace head gasket.
	Fuel is available and spark plug
	Fuel is available and spark plug	Cylinder worn?	Replace cylinder.
	ignites (compression low ).	Cylinder worn?	Replace cylinder.
	ignites (compression low ).
		Spark plug loose?	Tighen spark plug.

	Operation not satisfactory

		Air cleaner clogged?

	Not enough power available	Air in fuel line?	Bleed (remove air) from fuel line.
	Not enough power available
	(compression normal, no miss-	Fuel level in carbureator float
	firing).	Fuel level in carbureator float	Adjust carbureator float
	firing).	chamber improper?	Adjust carbureator float
		chamber improper?

		Carbon deposits in cylinder?	Clean or replace cylinder

		Ignition coil defective?	Flush fuel sytem and replace with fresh fuel.
	Not enough power available
	Not enough power available	Ignition plug often shorts?	Replace ignition wires, clean ignition.
	(compression normal, miss-	Ignition plug often shorts?	Replace ignition wires, clean ignition.
	(compression normal, miss-
	firing).	Fuel in use inadequate (water,	Flush fuel sytem and replace with fresh fuel.
		Fuel in use inadequate (water,	Flush fuel sytem and replace with fresh fuel.
		dust)?

		Excessive carbon depostion in	Clean or replace crankcase.
		combustion chamber?

	Engine overheats.	Exhaust or muffler clogged with	Clean or replace muffler.
		carbon.

		Spark plug heat value incorrect?	Replace spark plug with correct type spark plug.

PAGE 26 — QP- 40TE —OPERATION & PARTS MANUAL — REV. #0 (04/13/05)

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Contents Model QP-40TE Page QP- 40TE Operation & Parts Manual REV. #0 04/13/05 Table of Contents Parts Ordering Procedures Wilmington Ave Carson, CAManufacturers QP- 40TE Safety Message Alert SymbolsAlways wear approved respiratory protection when required Safe operationQP- 40TE Safety Message Alert Symbols Free flow of cooling air QP- 40TE Rules for Safe OperationAlcohol Serious damage toQP- 40TE Rules for Safe Operation QP- 40TE SPECIFICATIONS/DIMENSIONS Pump Suction & Discharge SizeSpecifications Engine QP- 40TE General Information ApplicationRe-prime later Attempting to remove clean-out coverWater PortQP- 40TE Refueling Plastic TRUCK-BED LinerQP- 40TE Basic Engine QP- 40TE PRE-INSPECTION Engine Engine is hot! or runningQP- 40TE PRE-SETUP Pump Read safety instructions at the beginning of manualPlace the engine fuel valve lever to the on position Place the engine ON/OFF switch in the on positionQP- 40TE Initial START-UP Engine QP- 40TE Initial START-UP Engine Place the fuel shut-off lever in the OFF positionQP- 40TE Maintenance Pump Pump Vacuum TestQP- 40TE Maintenance Pump QP- 40TE Maintenance Engine Engine Maintenance ScheduleQP- 40TE Maintenance Engine QP- 40TE Preparation for Long -TERM Storage Pump StorageQP- 40TE Operation & Parts Manual REV. #0 04/13/05 QP- 40TE Troubleshooting Engine Engine TroubleshootingQP- 40TE Troubleshooting ENGINE/PUMP Sample Parts List Indicated byQP- 40TE Suggested Spare Parts QP- 40TE Pump Assy Pump AssyCasing Cover ENGINE, RobinCasing Delivery Cover NPT432 QP- 40TE -OPERATION & Parts Manual REV. #0 04/13/05 Spring Washer M12 NUT DELIVERY/SUCTION Cover M12Pump M10 Spring Washer M10Robin EX270D50021 Engine Crankcase Assy Crankcase AssyOIL SEAL, 28.8DX45DX7T Valve GUIDE,5.5DX9.5DX27LStem SEAL, 5DX11.6DX15DX7.8T Ball BEARING, BB6206, 30DX62DX16BRobin EX270D50021 Engine Crankshaft Assy CRANKSHAFT, Piston AssyWoodruff KEY, 3BX6HX16D Crankshaft CP, 1 PumpFlange NUT, M18X31DX14H Piston PIN, 18DX13DX53LRobin EX270D50021 Engine Intake and Exhaust Assy Intake and Exhaust Group AssyPIN, CAMSHAFT, 9DX78.5L Adjust SCREW, M5X0.5X23LCamshaft CP Spring PIN, 4DX7.5DX11LRobin EX270D50021 Engine AIR Cleaner Assy AIR Cleaner AssyLabel Base CPCover NUTRobin EX270D50021 Engine Governor Assy Governor Group AssyGovernor Shaft SPRING, AdjustGovernor Lever Governor ROD CPRobin EX270D50021 Engine COOLING/ Starting Assy Cooling and Starting Group AssyBaffle 2, Head LABEL, Trade Mark 64DBaffle 1, Case CP BoltRobin EX270D50021 Engine Fueltank Assy FUEL, Lubricant AssyFuel Tank CAP CP LABEL, WarningLABEL, Model UnionRobin EX270D50021 Engine Carburetor Assy Carburetor AssyValve Choke Screw AdjustingValve Throttle JET SlowRobin EX270D50021 Engine Flywheel Assy Flywheel AssyIgnition Coil CP Wire 1 CPSwitch Assy Lamp Coil CP, 15WEX270D50021 Engine Electric Device Assy Electric Device AssyClamp CP OIL Sensor CPTapping Bolt Effective October 1, 2002 Terms and Conditions of Sale Parts QP- 40TE Operation & Parts Manual REV. #0 04/13/05 Heres HOW to GET Help Your Local Dealer is