Multiquip manual EM-120SM -TROUBLESHOOTING Engine, Engine Troubleshooting

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EM-120SM —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the

diagnosis based on the Engine Troubleshooting (Table 3) information shown below and on the proceeding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service

TABLE 3. ENGINE TROUBLESHOOTING

	SYMPTOM	POSSIBLE PROBLEM	SOLUTION

		Inspect carburetor to see if fuel	Check fuel line
		is reaching it?

		No Fuel?	Add Fuel

		Water in fuel tank?	Flush or replace fuel tank.

		Fuel filter clogged?	Replace fuel filter

		Stuck carburetor?	Check float mechanism.
	Poor starting
	Poor starting	Spark plug is red?	Spark plug is fouled. Check tranistor ignition unit.

		Spark plug is blue-white?	Insufficient compression, injected air leaking. Carburetor jets are
		Spark plug is blue-white?	clogged (overflow).
			clogged (overflow).

		No spark present at tip of spark	Tranistor ignition unit broken, high voltage cord cracked or broken.
		plug?	Start/Stop switch broken. Replace spark plug if fouled.

		No oil?	Add oil as required.

		Oil pressure alarm lamp blinks	Check Automatic shutdown circuit "oil sensor".
		upon starting?	Check Automatic shutdown circuit "oil sensor".
		upon starting?

		Engine will not turn over?	Replace cylinder and piston and if necessary axel joint.

		Cylinder head connecting bolts	Tighten cylinder head connecting bolts.
		loose?	Tighten cylinder head connecting bolts.
		loose?

	Insufficient power output "no	Cylinder head gasket damaged?	Replace cylinder head gasket.
	compression"
	compression"	Malfunction of valve seat?	Re-seat valves.
		Malfunction of valve seat?	Re-seat valves.

		Spark plug is loose?	Replace spark plug.

		Worn piston rings?	Replace piston rings.

		Malfunction in air-cleaner system,	Clean or replace air filter.
		air filter clogged?	Clean or replace air filter.
		air filter clogged?

		Air leaking in from interface	Tighten bolts between carburetor and cylinder head. Replace
	Insufficient power output	between carburetor and cylinder	cylinder head gasket.
	"compression"	head?

			Clean or replace fuel filter.
		Malfunction in fuel system?	Clean or replace carburetor.
			Check carburetor float.

PAGE 20 — ESSICK EM-120SM— OPERATION AND PARTS MANUAL — REV. #5 (03/29/10)

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Contents Model EM-120SM Page Essick EM-120SM Operation and Parts Manual REV. #5 03/29/10 Table of Contents Order via Fax Dealers Only Parts Ordering ProceduresBest Deal! Order via Internet Dealers Only Essick Safety Instructions Operation and Safety DecalsGeneral Safety Rules for Safe OperationEmergencies Maintenance SafetyRules for Safe Operation EM-120SM Specifications EM120SM Mixer SpeciﬁcationsEM-120SM General Information EM-120SM Controls MixerElectric Motor Wiring Information EM-120SM Electric MotorElectric Motor Electric Motor ConnectionCheck the following before towing EM-120SM -TOWINGStep EM-120SM Paddle Blade Adjustment Paddle Blade Adjustment, Steel DrumEM-120SM Initial START-UP EM-120SM Initial START-UP MixingStarting the Electric Motor Stoppingthe Mixer gasolineEM-120SM Maintenance EM-120SM Maintenance CleaningClutch Adjustment Mechanical 12 CF Mixer Clutch Adjustment ProcedureEM-120SM Maintenance EM-120SM -TROUBLESHOOTING Engine Engine TroubleshootingEM-120SM -TROUBLESHOOTING ENGINE/MIXER Items Found In the Items Number Column Explanation of Code in Remarks ColumnItems Found In the Remarks Column EM-120SM- Suggested Spare Parts EM-120SM 1TO 3 UnitsEM-120SM Mixing Drum Assy EM-120SM Mixing Drum Assy Paddle ShaftEM-120SM Paddle Shaft Assy TOW END Cast Paddle EM-120SM Frame Assy EM-120SM Frame Assy EM-120SM CAB Assy EM-120SM CAB Assy EM-120SM -WISCONSIN Engine Assy EM-120SM -WISCONSIN Engineassy Pilot BushingEM-120SM Honda Engine Assy EM-120SM Honda Engine Assy EM-120SM Electric Motor Assy Bushing EM-120SM -TRANSMISSION Assy Shifter Shaft Special Expediting Service Payment TermsFreight Policy Minimum OrderEssick EM-120SM Operation and Parts Manual REV. #5 03/29/10 HERE’S HOW to GET Help