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I.
1.
Set charge rate switch and timer to OFF positions.
2.
With the charger unplugged from the AC outlet, connect
the charger to the battery following instructions given in
section F.
3.
Plug the charger AC power cord into the AC outlet, then
move timer from OFF to HOLD position.
4.
Set the charge rate switch to the engine start position that
matches the vehicle battery and then crank the engine.
Follow the duty cycle printed on the front panel of your
charger for proper ON / OFF times. During extremely cold
weather or when the battery is severely exhausted, charge
the battery for about 5 minutes before cranking the engine.
J.
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
"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:
100 x .50 =
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.
CHARGER MUST BE ASSEMBLED BEFORE USING.
1.
Before charging any battery, make sure the electrolyte
(battery liquid) in each cell is at correct level.
2.
Set all switches and timers to the OFF position.
3.
If the battery is being charged inside the vehicle, use
connection procedures outlined in Section F. Should the
battery be removed from the vehicle, follow the instruction
in Section D, step 6 and 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.
BATTERY SIZE/RATING
Motorcycle, Garden
SMALL
BATTERIES
Tractor, etc.
200 - 315 CCA
CAR/TRUCKS
315 - 550 CCA
550 - 875 CCA
MARINE/
DEEP CYCLE
ENGINE START
CHARGE PERIOD
Example: AH rating = (168 Reserve Capacity) + 16
(2)
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
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.
BATTERY CHARGING
CHARGE RATE*/CHARGING
TIME - HOURS**
2 AMP
10 AMP
6 - 12 AH
1.5 to 3
NR
12 - 32 AH
3 to 8
40 - 60 RC
11 to 15
2.5 to 3
60 - 85 RC
15 to 18
3 to 4
85 - 125 RC
18 to 25
4 to 5
55 MC
15
4
80 MC
19
5
105 MC
23
6
5.
If the engine fails to start, charge the battery for 5 more
minutes before attempting to crank the engine again.
6.
After the engine starts, move the charge rate switch to OFF
and unplug the AC power cord from the outlet before
disconnecting DC clamps.
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
start after several starting attempts, there is a problem with the
engine of the vehicle other than its starting system. STOP crank-
ing the engine until the other problem has been found and cor-
rected.
5.
Set the timer from OFF position to desired timed charge,
30-135 minutes.
NOTE: This battery charger is not automatic and can overcharge
a battery if permitted to operate for extended periods of
time. Monitor the charging often.
Also, your charger may exhibit a noise (buzzing) dur-
ing charging. Laminations of the transformer tend
to vibrate. This is normal...continue to charge the
battery. The noise may continue after charger is dis-
connected from battery.
*Charge Rates for this model are listed on the
front panel.
**Based on battery at 50% charge.
50 AMP
NR
AH
Ampere Hours
NR
Not Recommended
NR
CCA Cold Cranking Amps
.5 to .75
RC
Reserve Capacity
.75 to 1
MC
Marine Capacity
NR
NR
NR
5
or AH = 100
(2)
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