Manual Wheel Charger
RETURN TO MAIN MENU
IM10130
September, 2012
For use with machines having Code Numbers:
Safety Depends on You
Century charging equipment
is designed and built with
safety in mind. However,
your overall safety can be
increased by proper installation
... and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED THROUGHOUT. And,
most importantly, think before
you
act and be careful.
(See Below)
K3151-1 (11862)
60/40/30/225, 6/12/24V
K3150-1 (11861)
60/40/2/250, 6/12V
W/TEST
K3149-1 (11860)
40/20/2/200, 6/12V
W/TEST
OPERATOR’S MANUAL
Century Equipment
2345 Murphy Blvd. Gainesville, GA 30504
TABLE OF CONTENTS
ENGLISH
SAFETY SUMMARY ....................................3
SAFETY INFORMATION ........................3
SHOCK HAZARDS ............................3
EXPLOSIVE GAS HAZARDS ............3
BATTERY EXPLOSION HAZARDS ..4
FIRE HAZARDS ................................4
BATTERYACID HAZARDS................4
MOVING PARTS HAZARDS..............4
BURN HAZARDS ..............................4
INTRODUCTION ..........................................5
DESCRIPTION ........................................5
HOW BATTERIES CHARGE ..................5
SPARK PREVENTION ............................5
DEEPLY-DISCHARGED
LEAD-CALCIUM BATTERIES............5
ASSEMBLY ..................................................6
ASSEMBLY INSTRUCTIONS..................6
PREPARATION ............................................7
CHARGER PREPARATION ....................7
CHARGER PLACEMENT ..................7
PROVIDE REQUIRED POWER..............7
EXTENSION CORDS ........................7
BATTERY PREPARATION ......................7
CONTROLS AND INDICATORS ..................8
CONTROL SETTING INSTRUCTIONS ..8
CHARGE VOLTAGE AND
RATE SELECTION ............................8
TIMER SWITCH SETTING ................8
VOLTMETER/TEST METER
TESTING............................................8
BATTERY PERCENT OF CHARGE
TEST (12 VOLT ONLY)......................9
ALTERNATOR TEST
(12 VOLT ONLY) ..............................9
PRE-CHARGE BATTERY
ACTIVATION ......................................9
OPERATION ..............................................10
OPERATING INSTRUCTIONS..............10
CONNECTING TO BATTERIES
INSTALLED IN VEHICLES ..............10
CONNECTING TO BATTERIES
OUTSIDE A VEHICLE ..........................10
CHARGING INSTRUCTIONS................11
READING AN AMMETER......................11
CHARGING TIME INSTRUCTIONS.12,13
ENGINE STARTING..............................14
MAINTENANCE..........................................15
TROUBLESHOOTING ..........................15
WIRE DIAGRAM.S.................................16, 17
PARTS PAGES ......................P-712 SERIES
2
SAFETY SUMMARY
Congratulations on the purchase of your new battery charger. We wish to acknowledge Underwriters Laboratories
(U/L) for contributing the following important safety precautions. Please read and retain these instructions for the continued safe use of your new charger.
This manual contains important safety information. DO
NOT OPERATE this equipment UNTIL YOU HAVE READ
this safety summary!
IMPORTANT SAFETY INSTRUCTIONS. SAVE
THESE INSTRUCTIONS
SAFETY INFORMATION
The following safety information is provided as guidelines to
help you operate your new battery charger under the safest
possible conditions. Any equipment that uses electrical
power can be potentially dangerous to use when safety or
safe handling instructions are not known or not followed.
The following safety information is provided to give the user
the information necessary for safe use and operation.
A procedure step preceded by WARNING is an indication
that the next
ous to a person if proper safety precautions are not heeded.
A procedure preceded by a CAUTION is an indication that
the next
equipment being used.
A NOTE may be used before or after a procedure step to
highlight or explain something in that step.
step contains a procedure that might be injuri-
step contains a procedure that might damage the
11. ALWAYS plug in and unplug the ac power cord by
grasping the power cord plug, NOT THE POWER CORD,
to reduce risk of damaging power cord.
12. ALWAYS remove personal metal items such as rings,
bracelets, and watches when working with a lead-acid
battery. Alead-acid battery can produce a short circuit
current high enough to weld a ring or any jewelry to
metal causing a severe burn.
13. ALWAYS unplug the battery charger from the ac outlet
before attempting any cleaning or maintenance. Turning
the charger’s control(s) OFF, alone, will not remove all
electricity from the charger.
14. An extension cord should not be used unless absolutely
necessary. Use of an improper extension cord could
result in a fire or electric shock. If an extension cord
must be used, make sure that:
a. the pins on the plug of the extension cord are the
same number, size, and shape as those of the plug
on the charger,
b. the extension cord is properly wired and in good
electrical condition, and
c. the wire size is large enough for the length of cord as
specified in the following chart.
Length in feet: 25 50 100 150
cord AWG size: 16 12 10 8
SHOCK HAZARDS
1. This battery charger is intended for indoor use only. Do
not expose the charger to rain or snow.
2. NEVER attempt to charge a marine (boat) battery while
the boat is on or near the water. A boat must be on a
trailer and located indoors before attempting to charge its
battery(s). The boat manufacturer’s battery charging
instructions must be followed exactly.
3. NEVER set the charger, output cable or clamps, or ac
power cord plug in water or on wet surfaces.
4. NEVER use this charger on a pier or dock. Charger
could fall in water, creating an electric shock hazard.
5. NEVER attempt to plug in or operate the battery charger
with defective or damaged wires, power cord, or power
cord plug. Have any of these parts that are defective or
damaged replaced by qualified personnel IMMEDIATELY.
6. NEVER attempt to plug in the charger or operate its
controls with wet hands or while standing in water.
7. NEVER alter the ac power cord or power cord plug provided with the battery charger.
8. NEVER use an attachment not recommended or sold by
the battery charger manufacturer for use with this specific
model battery charger
9. NEVER operate this battery charger if it has received a
sharp blow, been dropped, or similarly damaged, until
after being inspected and/or repaired by qualified service
personnel.
10. NEVER disassemble this battery charger. Take the battery charger to qualified service personnel when service
or repair is needed.
EXPLOSIVE GAS HAZARDS
1. Working in the vicinity of a lead-acid battery is dangerous. Batteries generate explosive gasses during normal
operations and, at an even higher level, during charging.
If anything is allowed to ignite these gasses, the battery
may explode, sending pieces of the battery and extremely caustic battery acid out in all directions and with
extreme force. Since just the slightest spark is sufficient
to ignite these gasses, it is of UTMOST IMPORTANCE
that you read this manual and follow the instructions
exactly, before using your battery charger each time.
2. NEVER operate this battery charger near any fuel tanks
or gas cylinders. This charger can produce sparks that
could ignite gasses and cause an explosion.
3. NEVER attempt to permanently mount this battery
charger on a marine or recreational vehicle.
4. NEVER attempt to connect this charger’s output cables
directly to the battery(s) in the bilge or engine compartment of a boat. Follow the boat manufacturer’s battery
charging instructions exactly.
3
BATTERY EXPLOSION HAZARDS
FIRE HAZARDS
1. To reduce the risk of battery explosion, read, understand,
and follow these instructions, those published by the battery manufacturer, and those of the manufacturer of any
equipment you intend to use near the battery. Review
cautionary markings on these products and on the
engine. If unable to determine the battery manufacturer’s
requirements for charging, always charge the battery with
the cell caps in place. In addition, make certain that anyone else that uses this equipment, or is a bystander in
the vicinity of a charging battery, understands and follows
these safety instructions as well.
2. NEVER smoke or allow a spark or flame in the vicinity of
the battery or engine.
3. NEVER operate the battery charger in a closed-in area
or restrict ventilation in any way.
4. NEVER charge a frozen battery as battery explosion can
result.
5. NEVER connect BOTH battery charger clamps DIRECTLYto the two posts of the same battery. See OPERATION INSTRUCTIONS for connection procedures.
6. NEVER charge batteries other than a LEAD-ACID type.
Especially, DO NOTuse for charging dry-cell batteries
that are commonly used with toys and home appliances.
These batteries may burst and cause injury to persons or
damage property.
7. NEVER allow the dc output clamps to touch each other.
8. ALWAYS be extra cautious to reduce the risk of dropping a metal object, such as a tool, onto or near the battery. Doing so could produce a spark or short circuit the
battery or other electrical part that could cause an explosion.
9. ALWAYS make sure the area around a battery is well
ventilated while it is being charged. Gas can be forcefully blown away by using a piece of cardboard or other
non-metallic material as a fan.
10. ALWAYS make sure that the ac power cord is
unplugged from the ac outlet or extension cord BEFORE
connecting or disconnecting the battery charger clamps,
to prevent arcing or burning.
11. ALWAYS locate the battery charger as far away from the
battery as the dc output cables will permit.
12. ALWAYS twist or rock charger clamps back and forth
several times on the battery post and the other point of
connection at the time of initial connection. This helps
keep the clamps from slipping off their points of connection which helps reduce the risk of sparking. DO NOT
rock the clamp connected to the battery post AFTER the
second connection (at a point away from the battery) is
made or sparking may occur at the battery post.
13. ALWAYS check the cable and wire connections at the
battery(s) for tightness - BEFORE STARTING TO
CHARGE. Aloose connection can cause sparks or
excessive heating which could cause a battery explosion.
14. ALWAYS make sure the battery compartment is open
and well ventilated before charging.
1. NEVER use an attachment not recommended or sold by
the battery charger manufacturer for use with your specific model charger.
2. NEVER disassemble the battery charger; take it to qualified service personnel when service or repair is needed.
3. ALWAYS make sure that the ac power cord is
unplugged from the ac outlet or extension cord, BEFORE
connecting or disconnecting the battery charger clamps,
to prevent arcing or burning.
BATTERY ACID HAZARDS
1. ALWAYS have someone within range of your voice and
close enough to quickly come to your aid when working
near a lead-acid battery.
2. ALWAYS have plenty of fresh water and soap nearby in
case battery acid contacts eyes, skin, or clothing.
3. ALWAYS wear complete eye and clothing protection and
avoid touching eyes while working with a battery.
4. ALWAYS act QUICKLY if contact with battery acid is
made. If acid contacts skin or clothing, wash IMMEDIATELY with soap and water. If acid enters the eye,
IMMEDIATELY flood the eye with running cold water for
at least 10 minutes. Get medical attention IMMEDIATELY.
MOVING PARTS HAZARDS
1. NEVER connect the battery charger clamps to a vehicle
when the engine is running.
2. ALWAYS stay clear of fan blades, fan belts, pulleys and
other moving engine parts when working near an engine.
Moving engine parts can cause severe personal injury
including dismemberment.
3. ALWAYS make sure that the battery charger cables and
clamps are positioned so they will not come in contact
with any moving engine parts.
BURN HAZARDS
1. NEVER lean on or rest against the engine or cooling
system parts when the vehicle is running.
2. ALWAYS stay clear of the cooling system, engine, and
engine manifold. These engine components get very hot
and retain heat for a long time. Touching any of these
components can cause severe burns.
4
INTRODUCTION
DESCRIPTION
This battery charger is designed to handle the majority of
your charging and starting needs.
MULTIPLE CHARGE RATES for various battery sizes.
High-AMPERAGE ENGINE START to help start vehi-
cles when the battery is too weak to do the job alone.
An AMMETER to monitor charging progress
A TIMER switch to set the desired charge time.
LARGE SAW-TOOTH CLAMPS assure good connec-
tion to top or side-mount battery terminals.
WHEELAND HANDLE KIT for easy moving around
your shop.
HEAVY-DUTY CONSTRUCTION for long, trouble-free
life.
HOW BATTERIES CHARGE
A charger DOES NOT FORCE current into a battery - it
makes a limited amount of current available and the battery
draws as much of it as it needs, up to or slightly greater
than the rated output current capability of the charger.
The closer a battery is to zero charge (dead battery), the
more charging current it will want to draw. When charging
begins, on a dead battery, the chargers ammeter will register toward the high end of the ammeter scale and move
toward zero as the battery becomes more fully charged.
KEEP IN MIND, the ammeter registers the amount of
amperage being drawn from the charger by the battery, not
what the charger is capable of delivering.
One would expect a battery to draw zero amps when it
reaches 100% charge. But at 100% charge, the battery will
continue to draw a low level of current and convert it into
heat within the battery. If left connected and charging after
reaching 100% charge, the battery acid will begin to boil,
resulting in overcharging and possible battery damage.
NOTE: A slow bubbling sound may be heard coming
from the battery during the charging process.
This is a normal condition and just another
indicator the battery is being charged.
To reduce the risk of battery overcharging, it is important to
thoroughly read this instruction manual.
SPARK PREVENTION
MAKE SURE no sparks or flames occur near the battery,
especially during charging. It takes very little to ignite the
explosive gasses produced by a lead-acid battery. Read,
understand, and follow the safety information provided in the
SAFETY SUMMARY section of this manual before attempting to work with or near a lead-acid battery.
For more information about batteries and battery charging,
contact Battery Council International at (312) 644-6610, and
request their BATTERY SERVICE MANUAL, which is available for a nominal charge.
DEEPLY-DISCHARGED LEAD-CALCIUM
BATTERIES
Many newer automotive batteries are of a lead-calcium plate
design. When deeply discharged, they may require an activation period before accepting a measurable charge. This
activation period may take as long as 4 to 8 hours.
If, at the beginning of the charging process, you notice that
the ammeter (if so equipped) is at or near zero, but you
have determined that the battery is very discharged (less
than 25% of charge), this is a good indication that an activation period is required (see PRE-CHARGE BATTERY ACTIVATION).
5
ASSEMBLY OF HANDLE AND CLAMP
HOLDER
ASSEMBLY
FIGURE 3
Assemble the charger handle and clamp holder according to the following instructions and illustrations.
1. Carefully remove the charger unit and all associated
hardware from carton, note the charger is shipped
with the handle partially secured, and resting in a
down position on the front of the unit.
2. Unscrew the top 2 screws on either side of the
charger. Remove the bottom 2 screws holding handle with the washers (washers will be discarded), as
shown in Figure 1 .
FIGURE 1
REMOVE AND DISCARD
2 WASHERS
TOP
2 SCREWS
BOTTOM
2 SCREWS
HANDLE
REPLACE TOP
2 SCREWS THEN
TIGHTEN ALL 4
SCREWS
5. Carefully screw the clamp holder together onto the
handle as shown in Figure 4.
FIGURE 4
CLAMP HOLDER
3. Then replace the bottom 2 screws by screwing in part
way so the handle can be move to an upright position. (See Figure 2)
FIGURE 2
REPLACE BOTTOM
2 SCREWS BY
SCREWING IN
PAR T W AY
ROTATE HANDLE
TO UPRIGHT
POSITION
4. Align the holes of the handle with the top 2 screw
holes of the charger. Replace the top 2 screws which
you removed in Figure 1. T ighten all 4 screws secur-
ing the handle in the upright position. (See Figure 3)
HANDLE
SCREWS
6
PREPARATION
CHARGER PREPARATION
CHARGER PLACEMENT
Place the charger in a clean, dry, stable, well-ventilated spot
as far away from the battery as the dc output cables permit.
NEVER place the charger directly above the battery being
charged; gasses from the battery will corrode and damage
the charger.
NEVER allow battery acid to drip on the charger when
reading specific gravity or filling the battery.
NEVER set a battery on top of the charger.
NEVER attempt to permanently mount this battery charger
on a marine or recreational vehicle.
ALWAYS position the charger on the outside of a boat or
recreational vehicle.
WARNING
FIRE CAN KILL, INJURE, AND CAUSE PROPERTY
DAMAGE!
To reduce risk of electric shock and fire, never alter the
ac power cord or power cord plug provided on the charger. Never alter extension cords or extension cord plugs.
Make sure the extension cord is properly wired and in
good electrical condition. Make sure the wire size
(American Wire Gauge or AWG) of the extension cord is
large enough to handle your specific charger’s amperage
requirements.
PROVIDE REQUIRED POWER
This battery charger requires a nominal 120 volt, 60 Hertz,
alternating current (ac) power source. The power source
must be fused at an amperage greater than or equal to the
INPUT AMPS rating of this charger.
DO NOT PLUG THE CHARGER INTO THE AC POWER
SOURCE UNTIL TOLD TO DO SO IN THE OPERATING
INSTRUCTIONS.
WARNING
ELECTRIC SHOCK CAN KILL!
To reduce risk of electric shock, never alter ac power cord or
power cord plug provided on the charger. If it will not fit the
outlet, have a proper outlet installed by a qualified electrician. Never use an adapter
The charger must be grounded to reduce risk of electric
shock. The charger is equipped with an electric cord that
has an equipment grounding plug. The plug must be
plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances.
EXTENSION CORDS
An extension cord should not be used unless absolutely
necessary. If necessary, care must be taken to select an
extension cord suitable for use with your specific battery
charger (see SHOCK HAZARDS in SAFETY SUMMARY).
NOTE: Engine starting performance may be reduced
when extension cords are used.
BATTERY PREPARATION
WARNING
BATTERY EXPLOSION CAN INJURE, AND CAUSE
PROPERTY DAMAGE! NEVER SMOKE OR ALLOW
A SPARK OR FLAME IN THE VICINITY OF THE
BATTERY OR ENGINE.
If it is necessary to remove the battery from the vehicle to
charge it, make sure all accessories in the vehicle are off
and ALWAYS remove the grounded cable from the battery
FIRST.
If needed, add distilled water to each cell of the battery until
battery acid reaches the manufacturer’s specified level. DO
NOT OVERFILL. This helps remove excessive explosive
gasses from the battery. For maintenance free batteries
without caps, carefully follow the battery manufacturer’s
recharging instructions.
WARNING
BATTERY ACID CAN CAUSE SERIOUS INJURY
AND PROPERTY DAMAGE!
Always wear complete eye and clothing protection and
avoid touching eyes while working near battery.
Clean battery terminals. Be careful to keep corrosion from
coming in contact with eyes.
Study all of the battery manufacturer’s precautions, such as
whether cell caps should be left in place or removed during
charging, and the recommended rates of charge for the specific battery. If you are unable to determine the battery manufacturer’s requirements for charging, always charge the
battery with the cell caps in place.
If the battery voltage cannot be determined from the information on the battery itself, refer to the owner’s manual for
the product in which the battery was installed.
7
CONTROLS AND INDICATORS
CHARGE RATE SELECTOR switch is a multi position
rotary switch. The available settings, for each charger are
shown in Figure 5.
Charge Rate Selector Switch Settings
200A 12V
START
130A 12V
FIGURE 5.
OFF
40A
6V
START
40A
12V
20A
2A
12V
12V
40 amp model
250A 12V
START
185A 6V
START
60A
12V
OFF
40A
12V
60A
6V
2A
12V
60 amp model
OFF
30A
24V
60A
6V
160A 6V
START
225A 12V
START
60A
OFF
40A
12V
12V
24V Fleet model
TIMER switch allows the selection of any
charging time, up to 120 minutes. When the selected time
is up, the timer automatically shuts
AMMETER indicates the charging current being drawn
from the charger by the battery. See READING AN
AMMETER in this manual.
VOLTMETER the voltmeter will indicate
voltage whenever the charger is turned on, or when the
clamps are connected to a battery. If connected to a
battery, and the unit is turned on, it will read the combined
voltage of the battery and the charger. If there is no
reading when connected to a battery, check the
connections and/or the battery.
CONTROL SETTING INSTRUCTIONS
CHARGE VOLTAGE AND RATE SELECTION
( See Figure 6 and 7)
Set the RATE SELECTOR to the same voltage and charge
rate that is appropriate for the size and type of battery
being charged. Use the battery manufacturer’s
instructions or see the guidelines below. If the battery
voltage is not clearly marked on the battery, refer to the
operator’s manual for the vehicle/ equipment where the
battery is used / intended to be used. Do not begin
charging if the battery voltage cannot be determined.
The available settings are in Table 1.
t Small Motorcycle type 3 Amps or less
t Lawn mower/Tractor 6 Amps or less
t Deep-cycle 25 Amps or less
t Maintenance-free Auto 45 Amps or less
or Marine Cranking
t Heavy-duty Commercial 60 Amps or less
Unless the information is supplied for the particular battery,
always charge small 12-volt batteries at no more than
2amps. Not all of these chargers are capable of charging at
2 amps or less. If your charger is one of those, do not
attempt to charge the small 12 volt batteries on that
charger. Charge only standard sized 6 and 12 volt
automobile batteries on those chargers.
NOTE: The charger ammeter will not taper on 6 volt
settings. Use charging time equations or
charts only to determine the time needed to fully
charge the battery.
TIMER SWITCH SETTING (See Figure 6 and 7)
Set the timer for the length of charging time required to
bring the battery to full charge, as determined in
CHARGING TIME INSTRUCTIONS. When selecting times
less than 20 minutes, turn timer past the 20 - minute mark,
then back to the time desired. Setting the time to charge
starts the charging process. To prevent overcharging, do
not set the timer for more time than it will take to bring the
battery to full charge. If the timer is turned to the left , past
OFF, HOLD is selected. In this position, the charger will
remain ON inde
when charging at a low rate for extended periods. The
battery can be damaged when being charged for extended
periods, especially at higher amperages.
VOLTMETER/TEST METER TESTING (See Figure 7)
The VOLTMETER/TEST METER, available in some
models, allows additional testing to be performed. In normal
operation, without the TEST SWITCH pressed, the meter
reads from 0-20 volts dc (0 and 20 are not actually seen on
the meter face but are represented by the ends of the
scale), on the lower scale of the meter. Using this part of
the meter, during charging, the voltage should read:
t for 6 volt batteries read 6.5 to 8.5 volts
t for 12 volt batteries read 13.5 to 16.5 volts
ly. This position should be used only
8
If the voltmeter reads outside these voltages, refer to the
chart below for possible battery conditions:
VOLTS LOW, AMPS HIGH Probable shorted
Battery — replace.
VOLTS LOW, AMPS LOW Poor Connection or
Frozen Battery
VOLTS HIGH, AMPS LOW Battery Cold or
Sulfated — Reduce
charge rate and
charge longer.
After charging is complete, the voltmeter should read the full
charge voltage of the battery. This is normally higher than
the rated battery voltage. To perform testing functions,
press the TEST SWITCH and read the top scale on the
meter.
NOTE: This type of repair work is rather specialized.
It may require additional tests using other
instruments for complete diagnosis. REMEMBER: The charger must be turned OFF to perform the tests. If attempting to test with the
charger turned ON, the results will be meaningless.
Battery percent of charge test (12 volt only)
1. With the charger OFF and clamps properly connected to
the battery, press the TEST SWITCH and read the battery percent of charge on the top left scale of the test
meter.
2. If the battery has been recently charged or is in a vehicle
that has been run recently, there is probably a surface
charge on the battery. This will give a falsely high reading on the percent of charge test. Remove the SUR-
FACE CHARGE by turning on the vehicle headlights for
three or more minutes. Allow the battery to sit for one
minute. Retest the battery percent of charge.
Alternator test (12 volt only)
1. With the charger OFF and clamps properly hooked to the
battery, start the engine and while running at fast idle,
press the TEST SWITCH.
2. Read the alternator condition on the alternator test scale
at the upper right section of the test meter. The battery
should be in a good state of charge before attempting
this test.
3. The three zones of the meter indicate the following:
OK Charging system is performing properly
LOW Loose fan belt, or voltage regulator and/or
alternator faulty
HIGH Faulty voltage regulator or wiring harness
PRE-CHARGE BATTERY ACTIVATION
Some modern batteries can cause charging problems if they
have been deeply discharged. The plates in these batteries
can begin sulfating quickly, forming a barrier to accepting a
charge. This condition will be indicated by an extremely low
(or zero) ammeter reading. Adeeply discharged battery
such as this may take as long as 4 to 8 hours before it will
accept a charge. When charging a battery with this condition, set the RATE SELECTOR for a moderate charge rate
and check on the battery every 30 minutes. When the sulfate barrier has been broken through, the battery will begin
accepting a charge and the ammeter will register a higher,
normal charging rate. The amount of time to charge the
battery fully (determined in CHARGING TIME INSTRUCTIONS) begins when the battery begins accepting a charge.
If necessary, reset the timer (if your charger is so equipped)
to the length of charging time required, after the battery
begins accepting a charge.
FIGURE 7
CHARGE VOLTAGE
AND RATE SELECTION
AMMETER
TIMER SWITCH
SETTINGS
TEST
SWITCH
DC VOLTMETER
40 AMP AMD 60 AMP MODELS
FIGURE 8
CHARGE VOLTAGE
AND RATE SELECTION
TIMER SWITCH
SETTINGS
FIGURE 6
AMMETER
VOLTS
24V FLEET MODEL
Voltmeter / Test Meter
9
OPERATION
OPERATING INSTRUCTIONS
ATTENTION!
DO NOT ATTEMPTTO OPERATE THIS BATTERY
CHARGER until you have read and understood the entire
SAFETY SUMMARY provided in this manual.
NOTE: Go to ASSEMBLY in this manual before pro-
ceeding with the operation of your battery
charger. DO NOTATTEMPT TO OPERATE
THE CHARGER UNTIL ALL REQUIRED
USER-ASSEMBLY IS COMPLETED.
CONNECTING TO BATTERIES INSTALLED
IN VEHICLES
ATTENTION
Do not plug the charger power cord into the ac power
source or set any of the charger’s controls until told to
do so in the following instructions.
1. Make sure that the ac power cord is unplugged from the
ac outlet and make sure the vehicle’s engine is turned
off.
2. Position the ac power cord and dc output cables in such
a manner that they cannot be damaged by moving
engine parts or the vehicle’s hood or doors.
3. Check the polarity of the battery terminals. The POSITIVE terminal should be marked: POSITIVE, POS, +, or
P. The NEGATIVE terminal should be marked: NEGATIVE, NEG, –, or N.
4. Determine whether the vehicle has a positive or negative
grounded battery (positive or negative cable is connected
to the vehicle’s chassis).
WARNING
1) Connect the POSITIVE (red) clamp from the battery charger to the POSITIVE, ungrounded terminal of the battery.
2) Connect the NEGATIVE (black) clamp from the
battery charger to a heavy gauge metal part of the
vehicle chassis or engine block away from the battery. DO NOTconnect the NEGATIVE (N) (black)
charger clamp to the NEGATIVE battery terminal,
carburetor, fuel lines, or sheet metal body parts.
b. Positive ground vehicles (see Figure 10)
Positive to
Chassis Ground
Negative
Figure 10. Positive Ground
1) Connect the NEGATIVE (black) charger clamp to
the NEGATIVE, ungrounded terminal of the battery.
2) Connect the POSITIVE (red) charger clamp to a
heavy gauge metal part of the vehicle chassis or
engine block away from the battery. DO NOTconnect the POSITIVE (red) charger clamp to the
POSITIVE battery terminal, carburetor, fuel lines,
or sheet metal body parts.
MOVING ENGINE PARTS CAN CAUSE SERIOUS
INJURY! Stay clear of fan blades, belts, pulleys, and
other moving engine parts to reduce risk of serious
personal injury.
a. Negative ground vehicles (The most common type,
see Figure 9).
Negative to
Chassis Ground
Positive
Figure 9. Negative Ground
CONNECTING TO BATTERIES
OUTSIDE A VEHICLE
1. Make sure that the ac power cord is unplugged from the
ac power source.
2. Check the polarity of the battery terminals (see Figure
11). The POSITIVE terminal should be marked: POSITIVE, POS, +, or P. The NEGATIVE terminal should be
marked: NEGATIVE, NEG, –, or N.
Booster
Cable
Negative (–)
Charger
Cable
From
Positive (+)
Charger
Cable
Figure 11. Connecting Outside The Vehicle
Charger
10
3. Attach a battery or booster cable, AT LEAST 24 inches
long that is the same (or larger) wire gauge as the charger cable, to the NEGATIVE terminal of the battery.
WARNING
BATTERY EXPLOSION CAN INJURE, AND CAUSE
PROPERTY DAMAGE!
To reduce the risk of battery explosion, NEVER CONNECT BOTH BATTERY CHARGER CLAMPS DIRECTLY
TO THE TWO POSTS OF A BATTERY.
4. Connect the POSITIVE (red) charger clamp to the POSITIVE battery terminal.
5. Position yourself and the free end of the cable (attached
to the NEGATIVE battery terminal) as far away from the
battery as the cable will allow. Then, WHILE FACING
AWAY FROM THE BATTERY, connect the NEGATIVE
charger clamp to the free end of the cable.
CHARGING INSTRUCTIONS
1. Determine the length of time necessary to charge the
battery in CHARGING TIME INSTRUCTIONS, but do not
start the timer.
2. Set all switches and the timer to OFF and connect the
charger power cord into an appropriate ac outlet.
3. Set charging voltage, charging rate, and any other functions according to CONTROL SETTING INSTRUCTIONS.
4. On models so equipped, set the TIMER for the desired
length of charge time.
WARNING
BATTERY EXPLOSION CAN INJURE, AND CAUSE
PROPERTY DAMAGE!
To reduce risk of battery explosion, do not overcharge a
lead-acid battery. Follow disconnection procedure
EXACTLY.
5. When charging is complete, turn all charger controls to
OFF. Then unplug the charger’s ac power cord from the
ac power source.
6. Disconnect the charger clamp NOT attached directly to
the battery first and DO NOT allow the clamp to touch
anything. Then, disconnect the charger clamp attached
to the battery terminal.
READING AN AMMETER
The ammeter indicates the charging current being drawn
from the charger by the battery. As the battery becomes
more fully charged, the charge rate lessens and the ammeter needle moves toward the lower amp numbers on the
meter. During engine starting, the ammeter will usually peg
to the high-amperage end of the meter.
There is no clear-cut way to read an ammeter and determine exactly when charging is complete (if the charger is so
equipped, a green light on the charger indicates battery is
fully charged). At full charge, the ammeter will still register
some current draw (approximately 50% of the charger’s output rating). In many cases, overcharging can occur if the
charger is not disconnected when the battery reaches full
charge - or sooner. Therefore, it is very important that you
follow the CHARGING TIME INSTRUCTIONS provided in
this manual.
Several battery conditions can also cause the ammeter to
appear to indicate a battery near full charge, when in fact,
charging has only begun.
Cold Battery
Sulfated Battery
Deeply-Discharged, Lead-Calcium Battery (many
newer automotive batteries)
WARNING
BATTERY EXPLOSION CAN INJURE, AND CAUSE
PROPERTY DAMAGE!
To reduce risk of battery explosion, check to make sure a
cold battery is not frozen. Battery explosion can result
from attempting to charge a frozen battery.
COLD BATTERIES (temperatures lower than 32° F or
0° C) will begin charging at a low rate of charge. But
as the battery warms up through charging, the charge
rate will increase. Then, as the battery charges up, the
charge rate will decrease normally.
SULFATED or DEEPLY-DISCHARGED LEAD-CALCI-
UM BATTERIES - require a special activation proce-
dure. See DEEPLYDISCHARGED LEAD-CALCIUM
BATTERIES in CHARGING TIME INSTRUCTIONS.
SHORTED BATTERIES - When the battery being
charged has a short circuit, the ammeter will peg at the
high-amp end of the scale. If after 5 to 10 minutes of
charging, the needle has not started to move toward
lower amperages, unplug the charger and discontinue
charging.
If available, use a voltmeter and read the battery voltage. If
the voltage is LESS THAN 12.0 volts for a 12 volt battery or
LESS THAN 6.0 volts for a 6 volt battery, plug the charger
back in and resume charging. If after another 15 to 20 minutes, the ammeter has failed to move toward lower amperages, repeat the voltmeter test. If the voltage has not
increased, the battery needs to be serviced or replaced.
CAUTION
DO NOT USE AMMETER to determine when full charge
is reached. Failure to comply with this caution could
cause the battery to be damaged from overcharging. The
battery could overheat and even explode.
CHARGING TIME INSTRUCTIONS
Manual battery chargers need to be disconnected from a
battery when the battery has reached 100% of charge OR
SOONER. If this is not done, the battery will overcharge,
resulting in possible battery damage.
11
The following instructions or the associated LENGTH OF
CHARGE TIME CHARTS (60 amps down to 2 amps, one
for each charging range) will allow you to determine how
long it will take to bring a spec
the charger is so equipped, a green light on the charger
will indicate the battery has become fully charged.
CAUTION
Batteries that have 25% charge or less can easily
freeze and should be charged at once, but DO NOT
CHARGE A BATTERY THAT IS ALREADY FROZEN.
1. Determine the present level of charge in the battery
with a hydrometer or electronic percent-of-charge
tester.
2. Determine the size of the battery in AMP HOURS or
RESERVE CAPACITY. If these ratings are not printed
on the battery, contact your local battery dealer for
this information. These are the only ratings that can
be used to determine length of charging time. Then
either use the formula in step 3 or use Table 2 plus
Table 3, through Table 9 for the charging rate
capabilities of this charger.
3. Use the battery rating, the charge level of the battery,
and the amp setting to be used on the charger (see
Table 2), in the formula provided below.
battery to full charge. If
EXAMPLE:
Battery’s Present State of Charge: 25%
Percent of Charge NEEDED: 100% – 25% = 75%
Expressed as a Decimal: = .75
Amp setting on Charger: 10
Amp-Hour Rating of Battery: 60
60 X .75
10
45
10
4.5 X 1.25 = Hours to Reach Full Charge
NOTE : If the battery is rate d in RESERVE CAPACITY,
Reserve Capacity
2
X 1.25 = Hours to Reach Full Charge
X 1.25 = Hours to Reach Full Charge
use the following formula to convert reserve
capacity to amp-hours.
X 1.25 =
Hours
to
Charge
Table 2. Charge Amp Settings
Model 6V HIGH 12V LOW 12V MED .
12V HIGH
K3149-1 40 Amp 2 Amp 20 Amp 40 Amp
K3150-1 60 Amp 2 Amp 40 Amp
K3151-1 60 Amp 40 Amp
60 Amp
60 Amp
+ 15.5 = Amp Hour Rating
24V HIGH START
200 Amp 12V
130 Amp 6V
30 Amp
250 Amp 12V
185 Amp 6V
225 Amp 12V
160 Amp 6V
12
Ta bl e 3. Length of Charge Time Chart 60 Amps
Approx.
Marine
Cranking
Amps
600
500
400
300
Approx.
Marine
Cranking
Amps
600
500
400
300
BATTERY RATINGS
Approx.
Cold
Cranking
Amps
750
550
400
300
200
Ampere
Hours
66
61
56
51
46
41
36
31
26
Ta bl e 4. Length of Charge Time Chart 40 Amps
BATTERY RATINGS
Approx.
Cold
Cranking
Amps
750
550
400
300
200
Ampere
Hours
66
61
56
51
46
41
36
31
26
Reserve
Capacity
(Minutes)
100
90
80
70
60
50
40
30
20
Reserve
Capacity
(Minutes)
100
90
80
70
60
50
40
30
20
MINUTES TO CHARGE @ 60 AMPS
for the percent-of-charge now in the battery
0% 25% 50% 75% 100%
83 62 41 21 0.0
76 57 38 19 0.0
70 53 35 18 0.0
64 48 32 16 0.0
58 43 29 14 0.0
51 38 26 13 0.0
45 34 23 11 0.0
39 29 19 10 0.0
33 24 16 8 0.0
MINUTES TO CHARGE @ 40 AMPS
for the percent-of-charge now in the battery
0% 25% 50% 75% 100%
124 93 62 31 0.0
114 86 57 29 0.0
105 79 53 26 0.0
96 72 48 24 0.0
86 65 43 22 0.0
77 58 38 19 0.0
68 51 34 17 0.0
58 44 29 15 0.0
49 37 24 12 0.0
Approx.
Marine
Cranking
Amps
600
500
400
300
N/A
N/A
N/A
N/A
N/A
Ta bl e 5. Length of Charge Time Chart 20 Amps
BATTERY RATINGS
Approx.
Cold
Cranking
Amps
750
550
400
300
200
Ampere
Hours
66
61
56
51
46
41
36
31
26
DEEP CYCLE*
N/A
N/A
N/A
N/A
N/A
135
110
100
90
80
Reserve
Capacity
(Minutes)
100
90
80
70
60
50
40
30
20
N/A
N/A
N/A
N/A
N/A
MINUTES TO CHARGE @ 20 AMPS
for the percent-of-charge now in the battery
0% 25% 50% 75% 100%
248 186 124 62 0.0
229 172 114 58 0.0
210 158 106 52 0.0
191 144 96 48 0.0
173 130 86 44 0.0
154 116 76 38 0.0
135 102 68 34 0.0
116 88 58 30 0.0
98 74 48 24 0.0
HOURS TO CHARGE
8.4 8.4 5.6 2.8 0.0
6.9 6.9 4.5 2.3 0.0
6.2 6.3 4.1 2.1 0.0
5.6 5.6 3.7 1.9 0.0
5.0 5.1 3.3 1.7 0.0
13
Ta bl e 6. Length of Charge Time Chart 2 Amps
BATTERY RATINGS
Approx.
Marine
Cranking
Amps
600
500
400
300
Approx.
Cold
Cranking
Amps
750
550
400
300
200
Ampere
Hours
66
61
56
51
46
41
36
31
26
Reserve
Capacity
(Minutes)
100
90
80
70
60
50
40
30
20
DEEP CYCLE*
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
NOTE:
The length of charge times on these charts
are very accurate when using the RESERVE
CAPACITY or AMPERE HOUR battery ratings. The COLD CRANKING AMPS and
MARINE CRANKING AMPS ratings are
approximations and vary from battery to battery. Always follow the battery manufacturer·s
specific charging instructions.
Do not
charge deep cycle batteries with a battery charger, or setting on a charger, that has
a rating of more than 25 amps. Follow the
battery manufacturer·s specific charging
instructions.
135
110
100
90
80
N/A
N/A
N/A
N/A
N/A
ENGINE STARTING
This battery charger can provide a high-current output to
help start a vehicle with a weak battery. However, the onboard computer in some vehicles can be damaged when
attempting to jump start. ALWAYS READ THE VEHICLE
OPERAT25·6 MANUAL BEFORE AUXILIARY STARTING
to determine if jump starting can do damage to the vehicle.
If not, read and follow these instructions.
CAUTION
Do not try to boost start a vehicle that does not contain
a battery or you may damage electrical system in the
vehicle.
1. Connect the battery charger to the vehicle according to
OPERATING INSTRUCTIONS.
2. Charge the battery for 5 to 10 minutes at the appropriate
charge rate for the size of battery.
HOURS TO CHARGE @ 2 AMPS
for the percent-of-charge now in the battery
0% 25% 50% 75% 100%
41.3 30.9 20.6 10.3 0.0
38.1 28.6 19.1 9.5 0.0
35.0 26.3 17.5 8.8 0.0
31.9 23.9 15.9 8.0 0.0
28.8 21.6 14.4 7.2 0.0
25.6 19.2 12.8 6.4 0.0
22.5 16.9 11.3 5.6 0.0
19.4 14.5 9.7 4.8 0.0
16.3 12.2 8.1 4.1 0.0
HOURS TO CHARGE
84.4 63.3 42.2 21.1 0.0
68.8 51.6 34.4 17.2 0.0
62.5 46.9 31.3 15.6 0.0
56.3 42.2 28.1 14.1 0.0
50.0 37.5 25.0 12.5 0.0
3. Set the RATE SELECTOR to START and try to start the
vehicle. If the vehicle GRHVQ·t start after 3 to 4 seconds,
stop and wait 3 to 4 minutes. Repeat until engine starts.
CAUTION
Excessive continuous engine cranking can damage
vehicle starter motors.
NOTE:
If the engine spins but fails to start after sev-
eral starting attempts there is an engine problem not related to the starting system.
Discontinue cranking the engine until the
other problem is found and corrected.
This battery charger has an internal thermal
protector to prevent overheating and damage
to the battery charger. If, after repeated starting attempts, the ammeter registers zero output, wait 3 to 4 minutes for the charger to
cool. The thermal protector will automatically
reset and allow you to continue.
14
MAINTENANCE
CAUTION
Make sure charger is unplugged from ac outlet before
performing any cleaning or maintenance.
A minimum amount of care can keep your battery charger
working and looking good for years.
1. Clean the clamps after each use. Wipe off any battery
fluid that may have come in contact with the clamps to
prevent corrosion. Battery fluid may be neutralized with
a solution of water and baking soda.
2. Coil the input and output cables neatly after each use.
This will help prevent damage to the cables and the
charger.
3. If needed, the case may be wiped clean with a soft cloth.
TROUBLESHOOTING
1. No Ammeter Reading (Battery does not accept charge).
a. Make sure charger is plugged into live ac outlet.
b. After unplugging unit, check connection at battery.
Make sure the clamps are making good contact with
the battery terminal (or vehicle chassis).
c. Check to see that the battery is capable of being
charged. It may be damaged or sulfated.
d. Make sure that you have selected the proper charge
voltage for the battery being charged.
e. Make sure you are allowing enough time for charging
the battery. Refer to the charging time formulas earlier in this manual.
2. Ammeter shows reading, but battery does not accept
charge.
a. Check to see that the battery is capable of being
charged. It may be damaged or sulfated.
b. Make sure you are allowing enough time for charging
the battery. Refer to the charging time formulas earlier in this manual.
3. Vehicle will not start in engine start mode
a. Unplug charger and check connections as described
above.
b. Determine if charger is charging; if meter indicates
any amperage, charger is working; if no amperage is
indicated, wait several minutes and recheck. Charger
thermal protector may have tripped.
c. If engine turns over but does not start, problem is
with vehicle, not charger. Service vehicle.
See LIMITED WARRANTY for further information on obtaining service.
15
A.01
G7398
WIRING DIAGRAM FOR K3149-1
16
A.01
G7400
WIRING DIAGRAM FOR K3151-1
17
Century Equipment
2345 Murphy Blvd. Gainesville, GA 30504
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