Engine revolution is not | Multiquip LT12D, LT12P manual

			TROUBLESHOOTING

		Table 10. Engine Troubleshooting (continued)

	Symptom	Possible Cause	Solution

		Fuel ﬁlter clogged or dirty?	Clean or change.
		Air cleaner clogged?	Clean or change.

		Fuel leak due to loose injection pipe	Tighten nut.
		retaining nut?	Tighten nut.
		retaining nut?
	Engine revolution is not
	Engine revolution is not	Injection pump malfunctioning?	Repair or replace.
	smooth.	Injection pump malfunctioning?	Repair or replace.

		Incorrect nozzle opening pressure?	Adjust.
		Incorrect nozzle opening pressure?	Adjust.

		Injection nozzle stuck or clogged?	Repair or replace.
		Fuel over ﬂow pipe clogged?	Clean.

		Governor malfunctioning?	Repair.

		Excessive engine oil?	Reduce to the speciﬁed level.
	Either white or
	Either white or	Piston ring and liner worn or stuck?	Repair or replace.
	blue exhaust gas is	Piston ring and liner worn or stuck?	Repair or replace.

		Incorrect injection timing?	Adjust.
	observed.	Incorrect injection timing?	Adjust.
		Deﬁcient compression?	Adjust top clearance.
		Overload?	Lessen the load.

	Either black or dark	Low grade fuel used?	Use the speciﬁed fuel.
	Either black or dark
	gray exhaust gas is	Fuel ﬁlter clogged?	Clean or change.
	observed.
	observed.	Air cleaner clogged?	Clean or change.
		Air cleaner clogged?	Clean or change.

		Deﬁcient nozzle injection?	Repair or replace the nozzle.
		Incorrect injection timing?	Adjust.

		Engine's moving parts seem to be seizing?	Repair or replace.

	Deﬁcient output.	Uneven fuel injection?	Repair or replace the injection pump.
	Deﬁcient output.	Deﬁcient nozzle injection?	Repair or replace the nozzle.
		Deﬁcient nozzle injection?	Repair or replace the nozzle.

		Compression leak?	Replace head gasket, tighten cylinder head
		Compression leak?	bolt, glow plug and nozzle holder.
			bolt, glow plug and nozzle holder.

PAGE 40 — LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09)

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Multiquip LT12D, LT12P operation manual Engine revolution is not

Contents

Models LT12D, LT12P This Manual Must Accompany the Equipment AT ALL Times Proposition 65 Warning Reporting Safety Defects Nhtsa Table of Contents Speciﬁcations are subject to change without notice Safety Information Safety Messages General Safety Light Tower Safetyﬁre extinguisher ﬁrst aid kit Lamp Safety Engine Safety Before servicing equipment Fuel Safety Towing Safety Transporting Safety Loading and Tie-Down on Flatbed Truck Power Cord/Cable Safety Electrical SafetyGrounding Safety Battery Safety Environmental Safety Lamp Footcandle Plot Lamp Footcandle Plot Generator Speciﬁcations SpecificationsTrailer Speciﬁcations Engine Speciﬁcations Dimensions DimensionsReference Letter Description Dimension Length Mast Stowed Position Length Mast Deployed Position General Information Components Major Components Control Panel Side Rear Control Panel Light CONTROL/BREAKER Control Panel Indoor Installation InspectionBefore Starting Engine OIL Check Fuel Check Battery CheckWipe up any spilled fuel immediately Cleaning the Radiator AIR Cleaner FAN Belt TensionCoolant Operation in Freezing Weather Location of Female Connectors Operation Starting the EngineStarting the Engine Perkins Starting the Engine Lombardini/Deutz Engines Mast Operation Outriggers and Support StandsDeploying the Mast to Vertical Position Raising the Mast Mast Operation Lowering the Mast Stowing the Mast to Horizontal PositionTurning on the Lamps Rotating the Mast Testing the 120 VAC Gfci Receptacle Applying AN External LoadNormal Shutdown Emergency Shutdown Maintenance Basic Inspection and MaintenanceInspection/Maintenance Frequency General Inspection Flushing OUT Radiator and Changing Coolant Changing OIL Check Cable Wear Replacing Fuel Filter Servicingthe Mast RAISE/LOWER Cable System Removal from Long Term Storage StorageLower the mast to the horizontal resting position Adjustable Channel Maintenance TrailersWheel HUB Adjustment Leaf Suspension Leaf Suspension Components Generator Troubleshooting TroubleshootingSymptom Solution Engine Troubleshooting Symptom Possible Cause Solution Engine revolution is not Lamp Troubleshooting When switch is ﬁrst Checking voltage and ballast Turned on Replacement minimizes color differencesClean ﬁxture Lamp starts slowly ARC does not strike Defective Lamp? Lamp Troubleshooting Guide ConnectionsStarting Ballast Removal LT12 Wiring Diagram S/N 902148 and below Stator BLK GRN WHT RED LT12 Wiring Diagram S/N 902149 to LT12 Wiring Diagram S/N 902149 to LT12 Wiring Diagram S/N 902626 and Above BLK BRN Blue RED WHT YEL GRN Perkins Engine Wiring Diagram Deutz Engine Wiring Diagram LT12 Control PANEL/IGNITION Wiring Diagram DEUTZ/LOMBARDINI Specific Common Causes for Loss of Trailer Trailer GuidelinesTrailer Towing Guidelines Driving Conditions Coupling to the TOW Vehicle Trailer Towing Tips Inoperable BRAKES, Lights or MirrorsTrailer VIN TAG Electrical Connector TOW VehicleSuspension System Side View Mirrors Safety Chains JackstandCoupler Types Ball Hitch Coupler Lock washer and hitch frame Coupling theTrailer to theTow Vehicle Ball Coupler Connecting Trailer Lights Attaching Safety ChainUncoupling the Ball Hitch Pintle Hitch Coupler Pintle Coupler and Pintle Hook Unsafe Tires, Lug Nuts or Wheels Tire SafetyCoupling Trailer to Tow Vehicle Pintle Coupler Determining Load Limit of Trailer StepTighten lug nuts before each tow Be sure lug nuts are tight before each tow Tire Fundamentals Determining Load Limit of Tow Vehicle StepP indicates the tire is for passenger vehicles Table A. Speed Rating Uniform Tire Quality Grading Standards UtqgsLetter Rating Speed Rating Tire Safety Tips Table B. Tire Wear TroubleshootingTire Repair Replacing Worn or Damaged Tires Lights and Signals Wheel RimsWheels, Bearings and Lug Nuts Lug Nut Torque Requirements Figure L. Trailer to Tow Vehicle Wiring Diagram HERE’S HOW to GET Help