Cub Cadet SC2400 manual How to Use the Troubleshooting Table, Engine does not, start or engine

17.TROUBLESHOOTING

17.TROUBLESHOOTING

1. How to Use the Troubleshooting Table

The troubleshooting table given below is intended to provide a simple guide. If any fault, failure or a problem that requires repair work has occurred, contact your local Cub Cadet Yanmar dealer for technical assistance.

1.	Engine
	Symptom	Cause	Remedy
1	Engine does not	z Diesel fuel is not flowing to the engine.	• Check that fuel is in the fuel tank. Refuel
	start or engine		as necessary.
	starts, but stalls
			• Check if the fuel filter is clogged. Replace
	immediately.
			the clogged filter.
		z Air is trapped in the fuel.	• Check the fuel line for looseness.
			Retighten any loose connection.
		z Water is trapped in the fuel.	• Remove water from the fuel. Refill the
			diesel fuel.
		z In cold weather, the engine oil viscosity	• Use a less viscous engine oil. (Be sure to
		is excessively high, and this causes	change to a more viscous engine oil in
		greater resistance. As a result, the	summer.) (Consult your local Cub Cadet
		engine speed does not increase.	Yanmar dealer.)
		z The power of the battery is too low and	• Clean the battery posts and terminals,
		the starter fails to accelerate to a	then measure the voltage on the battery. If
		speed sufficient for starting the engine.	the voltage is 11 V or lower, replace the
			battery with a new one.
2	Though the engine	z Stale diesel fuel (owing to prolonged	• Replace the diesel fuel.
	has started, it fails	storage)
	to run smoothly or
		z Contaminated diesel fuel	• Replace the diesel fuel.
	it is not powerful.
		z Clogged air cleaner	• Replace the air cleaner.
		z The fuel shut-off valve is not in the fully	• Fully open the fuel shut-off valve.
		OPEN position.
3	The engine has	z No diesel fuel	• Refuel.
	successfully
		z The fuel shut-off valve is not in the	• Open the fuel shut-off valve.
	started but
		OPEN position.
	suddenly stopped.
4	Blackish exhaust	z Poor quality of diesel fuel	• Replace the diesel fuel and fuel filter.
		z Too much engine oil	• Drain the engine oil to the specified level.
		z Clogged air filter	• Clean or replace the air filter.
5	Pale bluish	z Failed injection nozzle	• Contact your local Cub Cadet Yanmar
	exhaust		dealer for technical assistance.
		z Poor quality of diesel fuel	• Replace the diesel fuel and fuel filter.

Sc2400 Operator’s Manual 17-1