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Schumacher SE-2158 Owner's Manual Page 5

Schumacher battery charger owners manual se-2352, se-3000, sf-3000, se-2158, se-6030, se-8050, sf-8050.
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1. Charger need not be plugged into AC outlet. Timer should be in the
utes before you read the meter. Read a couple of minutes after you
Off position, 6v/12v switch in position to match battery being tested,
have shut the headlamps off, then follow the convenient color code
and then connect following instructions in Section F.
of the meter.
2. Observe the meter indication. Keep in mind that this reading is only
a battery voltage reading, a false surface charge may mislead you.
We suggest that you turn on your headlamps for a couple of min-
I.
ENGINE START
1. Set charge rate switch and timer to OFF positions. (No timer
tery for about 5 minutes before cranking the engine.
on Model 2352.)
5. If the engine fails to start, charge the battery for 5 more min-
utes before attempting to crank the engine again.
2. With the charger unplugged from the AC outlet, connect the
charger to the battery following instructions given in section
6. After the engine starts, move the charge rate switch to OFF
F.
and unplug the AC power cord from the outlet before discon-
3. Plug the charger AC power cord into the AC outlet, then move
necting DC clamps.
timer from OFF to HOLD position.
4. Set the charge rate switch to the engine start position that
Do not try to engine start a vehicle without a battery in it. You
may damage the vehicle's system. If the engine spins, but doesn't
matches the vehicle battery and then crank the engine. Fol-
low the duty cycle printed on the front panel of your charger
start after several starting attempts, there is a problem with the
for proper ON / OFF times. During extremely cold weather
engine of the vehicle other than its starting system. STOP crank-
or when the battery is severely exhausted, charge the bat-
ing the engine until the other problem has been found and cor-
rected.
J.
CHARGE PERIOD
Determine the charge level of your battery with a hydrometer or electronic percent of charge tester. Determine the ampere hour rating of your battery. It
may be on the battery information label. If the battery is rated in Reserve Capacity, convert to ampere hour rating using the following formula:
Ampere Hour rating = (Reserve Capacity) + 16
Example: AH rating = (168 Reserve Capacity) + 16
or AH = 100
(2)
(2)
"Reserve capacity is in minutes"
Use the following formula to determine the time of charge required: (AH x % of charge needed) divided by amp setting of the charger, times
1.25 = hours of charge:
Example: State of charge of the battery is 50%
Percent of charge needed is 100% - 50% = 50% (.50 decimal)
Ampere rating of the battery is 100AH
Charger setting is
10 amps
100 x .50
=
x 1.25
=
6.25 hours of charge needed
10
+ 1.00 hour more if charging a deep cycle battery
7.25 hours total for a deep cycle battery.
A hydrometer reading of the specific gravity of the electrolyte (fluid) of the battery in good condition should be between 1.25 and 1.28.
When a battery reaches 80-85% of full charge, bubbles will appear on the surface of the fluid. As the battery nears full charge, bubbling will become
more vigorous.
K.
BATTERY CHARGING
CHARGER MUST BE ASSEMBLED BEFORE USING.
NOTE: These battery chargers are not automatic and can
overcharge a battery if permitted to operate for ex-
1. Before charging any battery, make sure the electrolyte (battery liq-
tended periods of time. Monitor the charging often.
uid) in each cell is at correct level.
2. Set all switches and timers to the OFF position. (Model 2352 does
Also, your charger may exhibit a noise (buzzing)
not have a timer.)
during charging. Laminations of the transformer
3. If the battery is being charged inside the vehicle, use connection
tend to vibrate. This is normal...continue to charge
procedures outlined in Section F. Should the battery be removed
the battery. The noise may continue after charger
from the vehicle, follow the instruction in Section D, step 6 and
is disconnected from battery.
Section G. Plug the power cord into the AC outlet.
4. Set the charge rate switch to the desired charge position. See Charge
Rate Charts.
5. Set the timer from OFF position to desired timed charge, 30-135
minutes.
CHARGE RATE*/CHARGING TIME - HOURS**
*Charge Rates for this model are listed on the
BATTERY SIZE/RATING
2 AMP
10 AMP
30 AMP
35 AMP
50 AMP
60 AMP
front panel.
NR
NR
NR
NR
NR
Motorcycle, Garden
6 - 12 AH
1.5 to 3
SMALL
**Based on battery at 50% charge.
BATTERIES
Tractor, etc.
12 - 32 AH
3 to 8
200 - 315 CCA
40 - 60 RC
11 to 15
2.5 to 3
.75 to 1
.5 to .75
NR
NR
AH
Ampere Hours
CAR/TRUCKS
315 - 550 CCA
60 - 85 RC
15 to 18
3 to 4
1 to 1.5
.75 to 1
.5 to .75
.5 to .63
NR
Not Recommended
550 - 875 CCA
85 - 125 RC
18 to 25
4 to 5
1.5 to 1.7
1 to 1.5
.75 to 1
.63 to .75
CCA Cold Cranking Amps
55 MC
15
4
NR
NR
NR
NR
RC
Reserve Capacity
MARINE/
80 MC
19
5
2
1.75
NR
NR
MC
Marine Capacity
DEEP CYCLE
105 MC
23
6
2.5
2
NR
NR
5

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This manual also for:

Se-2352, Se-3000, Se-6030, Se-8050, Sf-3000, Sf-8050

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