Kubota B3300SU, Operator'S Manual, Page: 63 / 79

47 PERIODIC SERVICE
C How to read the indicator
Check the battery condition by reading the indicator.
C
Battery Charging
To avoid personal injury:
A
When the battery is being activated, hydrogen
and oxygen gases in the battery are extremely
explosive. Keep open sparks and flames away
from the battery at all times, especially when
charging the battery.
A When charging the battery, ensure the vent
caps are securely in place. (if equipped)
A
When disconnecting the cable from the battery,
start with the negative terminal first.
When connecting the cable to the battery, start
with the positive terminal first.
A
Never check battery charge by placing a metal
object across the posts.
Use a voltmeter or hydrometer.
1. To slow charge the battery, connect the battery
positive terminal to the charger positive terminal and
the negative to the negative, then recharge in the
standard fashion.
2. A boost charge is only for emergencies. It will partially
charge the battery at a high rate and in a short time.
When using a boost-charged battery, it is necessary to
recharge the battery as early as possible.
Failure to do this will shorten the battery's service life.
3. The battery is charged if the indicator display turns
green from black.
4. When exchanging an old battery for a new one, use
battery of equal specification shown in table 1 .
[TABLE 1]
C Battery Storage
1. When storing the tractor for long periods of time,
remove the battery from tractor, adjust the electrolyte
to the proper level and store in a dry place out of direct
sunlight.
2. The battery self-discharges while it is stored.
Recharge it once every three months in hot seasons
and once every six months in cold seasons.
(1) Battery
(2) Indicator
State of indicator display
Green
Specific gravity of electrolyte and quality of
electrolyte are both in good condition.
Black Needs charging battery.
White Needs replacing battery.
(1) Battery
Battery
Type
Volts
(V)
Capacity
at
5H.R
Reserve
at
(min)
Cold
Cranking
Amps
Normal
Charging
Rate(A)
55B24L
(S)-MF
12 36 79 433 4.5