Cub Cadet SC2400 manual Troubleshooting, The engine, overheats, The machine, excessively, vibrates

17. TROUBLESHOOTING

6	The engine	z Insufficient engine coolant	• Add engine coolant.
	overheats.
			• Check the radiator and the lines to and
			from the radiator for leakage. If leakage is
			found, contact your local Cub Cadet
			Yanmar dealer for technical assistance.
		z The engine is overloaded.	• Operate the tractor carefully. Avoid
			overloading.
		z Insufficiently tensioned fan belt	• Adjust the fan belt to the specified tension
			value; or replace it.
		z The radiator core is blocked.	• Eliminate the cause of blocking.
		z Poor quality of engine coolant	• Possibly, sludge has accumulated on the
			engine water jacket. Contact your local
			Cub Cadet Yanmar dealer for technical
			assistance.

2. Machine

	Symptom	Cause	Remedy
1	The machine	z Engine speed is too low.	• Run the engine at a higher appropriate
	excessively		speed.
	vibrates.
		z The Power Take Off (PTO) connecting	• Disconnect the Power Take Off (PTO)
		the machine with the mounted	shaft, and reconnect it. Check if excessive
		implement is not securely connected.	vibration reoccurs. If excessive vibration
			persists, immediately stop operation and
			contact your local Cub Cadet Yanmar
			dealer for technical assistance.
		z The engine throttle has not been	• Contact your local Cub Cadet Yanmar
		correctly adjusted.	dealer for technical assistance.
2	Engine has	z Parking brake is in the engaged state.	• Disengage the parking brake.
	successfully
		z Insufficient transmission oil,	• Check the amount and quality of the oil.
	started, but the
		deteriorated transmission oil or	Replace deteriorated oil; refill as
	machine fails to
		clogged transmission filter	necessary. Check the filter for clogging,
	operate.
			and replace the clogged filter with a new
			one.
		z Transmission oil is too cold.	• Start the engine, and warm up. Only then,
			operate the tractor.
3	3-point hitch does	z Insufficient transmission oil,	• Check the amount and quality of the oil.
	not rise at all.	deteriorated transmission oil or	Replace deteriorated oil; refill as
		clogged transmission filter	necessary. Check the filter for clogging,
			and replace the clogged filter with a new
			one.
		z Transmission oil is too cold.	• Start the engine, and warm up.
		z Excessively heavy implement on the 3-	• Use an implement of an acceptable
		point hitch	weight.
4	3-point hitch	z Hydraulic pressure stop valve is in an	• Open the hydraulic pressure stop valve.
	lowers too slowly.	insufficiently open position.
5	3-point hitch does	z Hydraulic pressure stop valve is in the	• Open the hydraulic pressure stop valve to
	not lower at all.	closed position.	an appropriate position.
6	3-point hitch	z Hydraulic pressure stop valve is in an	• Close the hydraulic pressure stop valve to
	lowers too fast.	excessively open position.	an appropriate position.

17-2 Sc2400 Operator’s Manual