ELECTRICAL SYSTEM
10D-9
SECTION 10D. BATTERY
GENERAL
For normal service, use a battery rated 12V, 600 cold
cranking amps at 0°F (-18°C) Group BCI24. For contin-
uos cold weather operation, use a battery rated with
approximately 400 cold cranking amps at 0°F (-18°C).
AABM Group 22NF batteries meet this specification.
CHARGING A MAINTENANCE FREE
BATTERY
NOTE:
Remove the battery from the tractor before you
begin charging.
1. Be sure the charger is “OFF.”
2. Connect the charger leads to the battery. Connect
the positive (+ POS) connector from the charger to
the positive battery terminal. Connect the negative
(- NEG) connector of the charger to the negative
battery terminal.
3. Charge the battery using one of the methods
shown below. Follow the manufacturer’s instruc-
tions on the charger.
4. Always turn the charger to “OFF” before removing
a charge lead from the battery.
MAINTENANCE/CLEANING
A buildup of corrosive acid across the top of the battery
can cause the battery to self-discharge. Even a light
coating of this grayish-white substance can cause a cir-
cuit to drain and exhaust the energy in the battery. This
is especially bad when moisture is present.
To maintain a battery in top condition, check and per-
form the following services at frequent intervals.
1. Regularly check the level of electrolyte and add
water as necessary to maintain a level above the
plates. Do not overfill the battery as this can cause
poor performance or early failure due to loss of
electrolytes.
2. Keep the terminals and the top of the battery
clean. Wash with baking soda and rinse with clean
water. Do no allow baking soda solution to enter
the cells as this will destroy the electrolytes.
WARNING
Batteries contain sulfuric acid and can generate
explosive mixtures of hydrogen and oxygen gases.
Keep any device which may cause sparks or flames
away from the battery to prevent explosion.
WARNING
Always wear protective glasses or goggles and pro-
tective clothing when working with batteries.
You must follow the battery manufacturer’s instruc-
tions on safety, maintenance, and installation proce-
dures.
WARNING
Always connect the ground (black) last and remove
it first when performing any battery maintenance.
When the battery is being removed or reinstalled,
make sure the positive and negative terminals do not
contact metal tractor parts at the same time or arcing
will result. Battery connections must be kept clean
and tight at all times. Loose cables will cause arcing
and pitting of the connections and cause eventual
failure. Keep the positive terminal cover in place.
WARNING
To avoid possible injury, stand away from the battery
when the charger is turned on. A damaged battery or
a battery with an internal short could explode.
Slow Charge Fast Charge
10 hours at 5 amps 2.5 hours at 20 amps
5 hours at 10 amps 1.5 hours at 30 amps
1 hour at 45 amps
CAUTION
If, when charging the battery, violent gassing or
spewing of electrolytes occurs, or the battery case
feels hot (125°F (52°C)), reduce or temporarily halt
charging to avoid damaging the battery.
10D
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