wsm STW37 Workshop Manual page 48

STW34, STW37, STW40, WSM
Battery Charging
WARNING
To avoid personal injury or death:
• 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.
• When charging the battery, ensure the vent caps are
securely in place. (if equipped)
• 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.
• 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
Battery
volts
TYPE
75D26R 12
 Direction for 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
G-29
Reserve
CCA (SAE)
Capacity
(A)
(min)
123 490
9Y1211109GEG0023US0
KiSC issued 11, 2014 A
GENERAL
Normal
Charging
Rate (A)
6.5