Cub Cadet 8404 manual Battery Troubleshooting, Condition of Battery Cause Countermeasures

BATTERY TROUBLESHOOTING

Condition of Battery	Cause	Countermeasures	Cause
Starter does not function	- Key is not "ON".	- Turn key "ON"
	- Battery is over-used until	- Charge for a long period	- Do not overuse the
	light becomes dim.	at the normal charging	battery and charge before
		rate until specific gravity	being fully discharged.
		of 1.26 is reached.
	- Defective alternator or	- Repair alternator and	- Check alternator/rectifier.
	rectifier preventing	replace defective rectifier,
	charging of the battery.	and fully charge the
		battery.
	- Dirty or corroded terminal	- Wash terminal with hot	- Keep terminals clean and
	contacts.	water and tighten well.	well tightened. Coat
			terminals with grease to
			prevent corrosion.
	- Bad brushes, armature or	- Replace.
	field in alternator.
	- Life of battery expired.	- Replace battery.
Low electrolyte level	- Battery used with	- Add distilled water and	- Make routine checks of
	shortage of electrolyte.	charge battery.	electrolyte.
	- Battery over-used.	- Charge for a long period	- Do not overuse the
	Charging was neglected.	at the normal charging	battery and charge before
	(Refrain from over-	rate.	being fully discharged.
	discharging)
	- Defective alternator/	- Check alternator and	- Make routine checks of
	rectifier, defective	rectifier, and charge for a	terminals to make sure
	terminal contacts causing	long period at the normal	they are clean and tight
	corrosion of electrodes.	charging rate.
Battery cannot be charged	- The current of the	- Decrease the charging	- Check charging current at
	alternator during	current of alternator.	alternator.
	operation is too high,	- Replaced damaged
	causing plates to drop,
		battery.
	warp, or short circuit.
	- Lift of battery expired	- Exchange battery.
Corrosion of terminals is	- Current of the alternator	- Clean corrosion from	- Keep terminals clean and
severe	during operation is too	terminals and tighten well.	well tightened.
	high.		- Apply a coat of grease to
			terminals to prevent
			corrosion.
		- Adjust charging current of	- Check charging current of
		alternator.	alternator.
Electrolyte decreases	- Over heating due to over	- Check charging output.
rapidly	charging.
	- Battery cracked or has	- Replace battery.	- Secure battery in tractor
	small holes.		so it cannot move.

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