Battery Charging
CAUTION
To minimize possible damage to the battery and allow
the battery to be fully charged, the slow charging meth-
od is presented here. This charging method can be ac-
complished with a constant current battery charger
which is readily available.
Do not charge a frozen battery because it can ex-
plode and cause injury. Let the battery warm to
o
F (16 C) before connecting to a charger.
60
o
Charge the battery in a well--ventilated place to
dissipate gases produced from charging. These
gases are explosive; keep open flame and elec-
trical spark away from the battery. Do not smoke.
Nausea may result if the gases are inhaled. Un-
plug the charger from the electrical outlet before
connecting or disconnecting the charger leads
from the battery posts.
CAUTION
Follow the manufacturer’s instructions when us-
ing a battery charger.
NOTE: Using specific gravity of the battery cells is the
most accurate method of determining battery condition.
3.
Following the battery charger manufacturer’s
instructions, connect the charger cables to the battery.
Make sure a good connection is made.
1.
Determine the battery charge level from either its
specific gravity or open circuit voltage.
4.
manufacturer’s instructions.
Charge the battery following the battery charger
Battery Charge
Level
Specific
Gravity
Open Circuit
Voltage
5.
Occasionally check the temperature of the battery
100%
75%
50%
25%
0%
1.265
1.225
1.190
1.155
1.120
12.68
12.45
12.24
12.06
11.89
electrolyte. If the temperature exceeds 125oF (52oC) or
the electrolyte is violently gassing or spewing, the
charging rate must be lowered or temporarily stopped.
6.
Three(3)hours priortotheendofthecharging,mea-
sure the specific gravity of a battery cell once per hour.
The battery is fully charged when the cells are gassing
freely at a low charging rate and there is less than a
2.
Determine the charging time and rate using thebat-
tery charger manufacturer’s instructions or the fol-
lowing table.
0.003
readings.
change in specific gravity for three consecutive
Battery
Reserve
Capacity
(Minutes)
Battery Charge Level
(Percent of Fully Charged)
75%
50%
25%
0%
80
or less 3.8 hrs
@
7.5 hrs 11.3 hrs 15 hrs
@ @ @
3 amps 3 amps 3 amps
3
amps
81
to 125 5.3 hrs 10.5 hrs 15.8 hrs 21 hrs
@
@ @ @
4 amps 4 amps 4 amps
4
amps
126
to
5.5 hrs
@
11 hrs
@
5 amps 5 amps 5 amps
16.5 hrs 22 hrs
170
@ @
5
amps
171
to
5.8 hrs 11.5 hrs 17.3 hrs 23 hrs
250
@
@ @ @
6 amps 6 amps 6 amps
6
amps
above
250
6 hrs
12 hrs 18 hrs 24 hrs
@ @ @
amps 10 amps 10 amps 10 amps
@
10
Electrical System
Page 5 -- 50
Groundsmaster 4000--D/4010--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
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| Document Type | Catalog |
| Language | English |
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