Voltage
Reading
Percent
Charge
Maximum
Charger
Settings
Charging
Interval
12.6 V or
greater
100%
16 V/7 A
No charging
required
12.4 V to 12.6
V
75% to 100%
16 V/7 A
30 minutes
12.2 V to 12.4
V
50% to 75%
16 V/7 A
1 hour
12.0 V to 12.2
V
25% to 50%
14.4 V/4 A
2 hours
11.7 V to 12.0
V
0% to 25%
14.4 V/4 A
3 hours
11.7 V or less
0%
14.4 V/2 A
6 hours or
more
Charging the Battery
WARNING
Charging the battery produces gasses that
can explode.
Never smoke near the battery and keep sparks
and flames away from battery.
Important:
Always keep the battery fully charged
(1.265 specific gravity). This is especially
important to prevent battery damage when the
temperature is below 0°C (32°F).
1.
Make sure that the filler caps are installed in
battery. Charge battery for 10 to 15 minutes at
25 to 30 A or 30 minutes at 10 A.
2.
When the battery is fully charged, unplug
the charger from the electrical outlet, then
disconnect the charger leads from the battery
posts (
3.
Install the battery in the machine and connect
the battery cables.
Note:
Do not run the machine with the battery
disconnected, electrical damage may occur.
g000960
Figure 51
1.
Positive battery post
3.
Red (+) charger lead
2.
Negative battery post
4.
Black (-) charger lead
47
Summary of Contents for Air Cool Z Master 74090
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