Battery Charging
Battery
Reserve
Capacity
(Minutes)
Battery Charge Level
(Percent of Fully Charged)
To minimize possible damage to the battery and to allow
thebatterytobefullycharged,theslowchargingmethod
is presented here. This charging method can be accom-
plished with a constant current battery charger which is
available in most shops.
75%
50%
25%
0%
80
or
3.8 hrs 7.5 hrs 11.3 hrs 15 hrs
@ @ @
3 amps 3 amps 3 amps
less
@
3
amps
81
to 125 5.3 hrs 10.5 hrs 15.8 hrs 21 hrs
CAUTION
@
@ @ @
4 amps 4 amps 4 amps
4
amps
126
to
5.5 hrs
@
11 hrs
@
16.5 hrs 22 hrs
@ @
Follow the battery charger manufacturer’s
instructions when using a battery charger.
170
5 amps 5 amps 5 amps 5 amps
171
to
5.8 hrs 11.5 hrs 17.3 hrs 23 hrs
@ @ @ @
6 amps 6 amps 6 amps 6 amps
NOTE: Using specific gravity of the battery cells is the
most accurate method of determining battery condition.
250
above
250
6 hrs
@
12 hrs
@
18 hrs
@
24 hrs
@
1.
Ifbatteryfillercapsareremovable,check theelectro-
lyte level in each cell. If the level is below the tops of the
plates in any cell, fill all cells with distilled water so that
plates are just covered with electrolyte.
10
amps 10 amps 10 amps 10 amps
CAUTION
2.
Determine the battery charge level from either its
open circuit voltage or specific gravity (if filler caps are
removable).
Do not charge a frozen battery because it can ex-
plode and cause injury. Let the battery warm to
60oF (15.5oC) before connecting to a charger.
Battery Charge Open Circuit
Specific
Gravity
Level
100%
75%
50%
25%
0%
Voltage
12.68
12.45
12.24
12.06
11.89
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.
1.265
1.225
1.190
1.155
1.120
3.
tery charger manufacturer’s instructions or the fol-
lowing table.
Determine the charging time and rate using the bat-
4.
Following the battery charger manufacturer’s
instructions, connect the charger cables to the battery.
Make sure a good connection is made.
5.
Charge the battery following the battery charger
manufacturer’s instructions.
6.
Occasionally check the temperature of the battery
electrolyte. If the temperature exceeds 125oF (51.6oC)
or the electrolyte is violently gassing or spewing, the
charging rate must be lowered or temporarily stopped.
7.
Threehourspriortotheendofthecharging,measure
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 0.003
change in specific gravity for three consecutive read-
ings.
8.
lyte level in each cell. Adjust electrolyte level if needed.
Ifbatteryfillercapsareremovable,check theelectro-
Electrical System
Page 8 -- 32
Workman HD Series
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
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|
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| Language | English |
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