Schumacher John Deere TY27731 Automatic Battery Charger Owner's manual

Brand: Schumacher

Model: John Deere TY27731 Automatic Battery Charger

Category: Car battery chargers

Type: Owner's manual

TY27731 Automatic Battery Charger

OPERATOR'S MANUAL

TY27731 Automatic Battery Charger

OMTY27731 ISSUE J8 (MULTI-LINGUAL)

*OMTY27731*

John

Deere Enterprise Parts Portfolio

PRINTED in USA

0099002067-00

TY27731 Automatic Battery Charger

OPERATOR'S MANUAL

TY27731 Automatic Battery Charger

OMTY27731 ISSUE J8 (ENGLISH)

*OMTY27731*

John

Deere Enterprise Parts Portfolio

PRINTED in USA

Foreword

TYT8121—UN—11OCT18

Automatic Battery Charger

THANK YOU for purchasing a John Deere product.

READ THIS MANUAL carefully to learn how to operate

and service your battery charger. Failure to do so could

result in personal injury or equipment damage. This

manual and safety signs on your battery charger can be

available in other languages. (See your John Deere

dealer to order.)

THIS MANUAL SHOULD BE CONSIDERED a

permanent part of your battery charger and remain with

the charger when you sell it.

Measurements in this manual are given in both metric

and customary U.S. unit equivalents. Use only correct

replacement parts and fasteners.

If there is a theft, ACCURATELY RECORD all the

numbers to help in tracing the automatic battery charger.

Your distributor also needs these numbers when you

order parts. File the product information in a secure

place.

WARRANTY is provided as part of the John Deere

support program for customers who operate and

maintain their equipment as described in this manual.

Warranty is explained in the Warranty section at the end

of this manual.

This Warranty provides you the assurance that John

Deere backs its products when defects appear within the

warranty period. In some circumstances, John Deere

also provides eld improvements, often without a charge

to the customer, even if the product is out of warranty. If

equipment is abused, or modied to change its

performance beyond the original factory specications,

warranty is void and eld improvements can be denied.

MM95366,00003A4-19-25OCT18

Introduction

Page

Safety

Recognize Safety Information ........................ 05-1

Understand Signal Words ............................ 05-1

Follow Safety Instructions ............................ 05-1

Prevent Battery Explosions ........................... 05-1

Prevent Acid Burns .................................... 05-2

Wear Protective Clothing ............................. 05-2

Decommissioning — Proper Recycling and

Disposal of Fluids and Components ............. 05-2

Handling Batteries Safely ............................. 05-3

Important Safety Instructions-Save These

Instructions .......................................... 05-4

Prepare for Emergencies ............................. 05-4

Preparing to Charge

Prepare to Charge ..................................... 10-1

Charger Location ...................................... 10-1

Battery Location ....................................... 10-1

Grounding and AC Power Cord Connections ...... 10-2

Control Panel

Control Panel .......................................... 15-1

Battery Charging Times ............................... 15-4

Operation

Assembly ............................................... 20-1

Operating Instructions ................................. 20-1

Battery Maintenance

Maintenance and Care ................................ 25-1

Storage

Storage ................................................. 35-1

Troubleshooting

Troubleshooting ........................................ 40-1

Specications .......................................... 40-2

Warranty

Warranty ................................................ 45-1

Original Instructions. All information, illustrations and specications in this

manual are based on the latest information available at the time of publication.

The right is reserved to make changes at any time without notice.

DEERE & COMPANY

Moline, Illinois

Contents

Recognize Safety Information

T81389—UN—28JUN13

This is a safety-alert symbol. When you see this symbol

on your machine or in this manual, be alert to the

potential for personal injury.

Follow recommended precautions and safe operating

practices.

DX,ALERT-19-29SEP98

Understand Signal Words

TS187—19—30SEP88

DANGER; The signal word DANGER indicates a

hazardous situation which, if not avoided, will result in

death or serious injury.

WARNING; The signal word WARNING indicates a

hazardous situation which, if not avoided, could result in

death or serious injury.

CAUTION; The signal word CAUTION indicates a

hazardous situation which, if not avoided, could result in

minor or moderate injury. CAUTION may also be used to

alert against unsafe practices associated with events

which could lead to personal injury.

A signal word—DANGER, WARNING, or CAUTION—is

used with the safety-alert symbol. DANGER identies

the most serious hazards. DANGER or WARNING

safety signs are located near specic hazards. General

precautions are listed on CAUTION safety signs.

CAUTION also calls attention to safety messages in this

manual.

DX,SIGNAL-19-05OCT16

Follow Safety Instructions

TS201—UN—15APR13

Carefully read all safety messages in this manual and on

your machine safety signs. Keep safety signs in good

condition. Replace missing or damaged safety signs. Be

sure new equipment components and repair parts

include the current safety signs. Replacement safety

signs are available from your John Deere dealer.

There can be additional safety information contained on

parts and components sourced from suppliers that is not

reproduced in this operator's manual.

Learn how to operate the machine and how to use

controls properly. Do not let anyone operate without

instruction.

Keep your machine in proper working condition.

Unauthorized modications to the machine may impair

the function and/or safety and affect machine life.

If you do not understand any part of this manual and

need assistance, contact your John Deere dealer.

DX,READ-19-16JUN09

Prevent Battery Explosions

TS204—UN—15APR13

Keep sparks, lighted matches, and open ame away

from the top of battery. Battery gas can explode.

Never check battery charge by placing a metal object

across the posts. Use a volt-meter or hydrometer.

Safety

05-1

Do not charge a frozen battery; it may explode. Warm

battery to 16°C (60°F).

DX,SPARKS-19-03MAR93

Prevent Acid Burns

TS203—UN—23AUG88

Sulfuric acid in battery electrolyte is poisonous. It is

strong enough to burn skin, eat holes in clothing, and

cause blindness if splashed into eyes.

Avoid the hazard by:

1.Filling batteries in a well-ventilated area.

2.Wearing eye protection and rubber gloves.

3.Avoiding breathing fumes when electrolyte is added.

4.Avoiding spilling or dripping electrolyte.

5.Use proper jump start procedure.

If you spill acid on yourself:

1.Flush your skin with water.

2.Apply baking soda or lime to help neutralize the acid.

3.Flush your eyes with water for 15—30 minutes. Get

medical attention immediately.

If acid is swallowed:

1.Do not induce vomiting.

2.Drink large amounts of water or milk, but do not

exceed 2 L (2 quarts).

3.Get medical attention immediately.

DX,POISON-19-21APR93

Wear Protective Clothing

TS206—UN—15APR13

Wear close tting clothing and safety equipment

appropriate to the job.

Prolonged exposure to loud noise can cause impairment

or loss of hearing.

Wear a suitable hearing protective device such as

earmuffs or earplugs to protect against objectionable or

uncomfortable loud noises.

Operating equipment safely requires the full attention of

the operator. Do not wear radio or music headphones

while operating machine.

DX,WEAR-19-10SEP90

Decommissioning — Proper Recycling and

Disposal of Fluids and Components

TS1133—UN—15APR13

Safety and environmental stewardship measures must

be taken into account when decommissioning a

machine and/or component. These measures include

the following:

● Use appropriate tools and personal protective

equipment such as clothing, gloves, face shields or

glasses, during the removal or handling of objects

and materials.

Safety

05-2

● Follow instructions for specialized components.

● Release stored energy by lowering suspended

machine elements, relaxing springs, disconnecting

the battery or other electrical power, and releasing

pressure in hydraulic components, accumulators,

and other similar systems.

● Minimize exposure to components which may have

residue from agricultural chemicals, such as

fertilizers and pesticides. Handle and dispose of

these components appropriately.

● Carefully drain engines, fuel tanks, radiators,

hydraulic cylinders, reservoirs, and lines before

recycling components. Use leak-proof containers

when draining uids. Do not use food or beverage

containers.

● Do not pour waste uids onto the ground, down a

drain, or into any water source.

● Observe all national, state, and local laws,

regulations, or ordinances governing the handling or

disposal of waste uids (example: oil, fuel, coolant,

brake uid); lters; batteries; and, other substances

or parts. Burning of ammable uids or components

in other than specially designed incinerators may be

prohibited by law and could result in exposure to

harmful fumes or ashes.

● Service and dispose of air conditioning systems

appropriately. Government regulations may require a

certied service center to recover and recycle air

conditioning refrigerants which could damage the

atmosphere if allowed to escape.

● Evaluate recycling options for tires, metal, plastic,

glass, rubber, and electronic components which may

be recyclable, in part or completely.

● Contact your local environmental or recycling center,

or your John Deere dealer for information on the

proper way to recycle or dispose of waste.

DX,DRAIN-19-01JUN15

Handling Batteries Safely

TS204—UN—15APR13

TS203—UN—23AUG88

Battery gas can explode. Keep sparks and ames away

from batteries. Use a ashlight to check battery

electrolyte level.

Never check battery charge by placing a metal object

across the posts. Use a voltmeter or hydrometer.

Always remove grounded (-) battery clamp rst and

replace grounded clamp last.

Sulfuric acid in battery electrolyte is poisonous and

strong enough to burn skin, eat holes in clothing, and

cause blindness if splashed into eyes.

Avoid hazards by:

● Filling batteries in a well-ventilated area

● Wearing eye protection and rubber gloves

● Avoiding use of air pressure to clean batteries

● Avoiding breathing fumes when electrolyte is added

● Avoiding spilling or dripping electrolyte

● Using correct battery booster or charger procedure.

If acid is spilled on skin or in eyes:

1.Flush skin with water.

2.Apply baking soda or lime to help neutralize the acid.

3.Flush eyes with water for 15—30 minutes. Get

medical attention immediately.

If acid is swallowed:

1.Do not induce vomiting.

Safety

05-3

2.Drink large amounts of water or milk, but do not

exceed 2 L (2 qt.).

3.Get medical attention immediately.

WARNING: Battery posts, terminals, and related

accessories contain lead and lead compounds,

chemicals known to the State of California to cause

cancer and reproductive harm. Wash hands after

handling.

DX,WW,BATTERIES-19-02DEC10

Important Safety Instructions-Save These

Instructions

CAUTION: Risk of explosive gases. Working in

the vicinity of lead-acid batteries is dangerous.

Batteries generate explosive gases during

normal battery operation. Read this manual and

follow the instructions exactly EACH TIME you

use this battery charger.

To reduce the risk of battery explosion, follow

these instructions and the instructions

published by the battery manufacturer. Review

the cautionary information on the battery,

battery charger, and engine compartment.

WARNING: Battery posts, terminals, and related

accessories contain lead and lead compounds,

chemicals known by the State of California to cause

cancer and reproductive harm. Wash hands after

handling.

1. Save these instructions. This manual contains

important safety and operating instructions for your

battery charger. Read and understand this manual

before using the battery charger.

2. To reduce the risk of electric shock, do not operate

the battery charger when unit is exposed to water.

Do not expose the battery charger to rain or snow.

3. Use of an attachment not recommended or sold by

the battery charger manufacturer may result in a risk

of re, electric shock, or injury to persons.

4. To reduce the risk of damage to electric plug and

cord, pull by plug rather than cord when

disconnecting battery charger.

5. Use of an improper extension cord could result in

re or electric shock. When using an extension cord,

make sure:

a. The extension cord is properly wired and in

good electrical condition.

b. The wire size is large enough for the length of

cord for the ampere rating of this battery

charger as specied in table.

Length of Cord 7.625 m

(25 ft)

15.25 m

(50 ft)

30.5 m

(100 ft)

45.75 m

(150 ft)

Size of Cord 18

gauge

(0.82

mm²)

gauge

(0.82

mm²)

gauge

(0.82

mm²)

gauge

(1.31

mm²)

6. Never alter AC cord or grounding plug provided.

7. Locate battery power cord so it cannot be stepped

on, tripped over, or subjected to damage or stress.

Do not operate the battery charger with damaged

cord or plug. Replace cord or plug immediately.

8. Do not operate the battery charger if it has received

a sharp blow, been dropped, or otherwise damaged

in any way. Take it to a qualied service technician.

9. Do not disassemble the battery charger. Take

charger to a qualied service technician when

service or repair is necessary. Incorrect assembly

may result in electric shock or re.

10. To reduce the risk of electric shock, unplug the

battery charger from the outlet before attempting

any maintenance or cleaning.

OUO6043,0000405-19-25OCT18

Prepare for Emergencies

TS291—UN—15APR13

Be prepared if a re starts.

Keep a rst aid kit and re extinguisher handy.

Keep emergency numbers for doctors, ambulance

service, hospital, and re department near your

telephone.

DX,FIRE2-19-03MAR93

Safety

05-4

Prepare to Charge

CAUTION: Avoid Contact! Battery acid is a

highly corrosive sulfuric acid!

1. To charge the battery outside of the vehicle, remove

the ground terminal rst. To prevent arcing, turn off all

accessories in the vehicle.

2. Charge the battery in a ventilated area.

3. Clean the battery terminals before charging. Use

baking soda and water to neutralize battery acid and

reduce airborne corrosion. Do not touch eyes, nose,

or mouth.

4. Add distilled water to each cell until battery acid

reaches level specied by the battery manufacturer.

Do not overll. Batteries without the removable cell

caps, such as valve regulated lead acid batteries

(VRLA), follow manufacturer’s recharging

instructions.

5. Study all battery manufacturer-specic precautions

while charging and recommended rates of charge.

6. Refer to the vehicle owner’s manual to determine

battery voltage.

7. Ensure tight charger clip connections.

MM95366,00003A8-19-25OCT18

Charger Location

1. Position the charger as far away from the battery as

the DC cables permit.

2. Never place the charger directly over the battery

being charged; gases from the battery can corrode

and damage the charger.

3. Do not set the battery on top of the charger.

4. Never allow battery acid to drip onto charger when

reading electrolyte-specic gravity or lling the

battery.

5. Do not operate the charger in closed-in area or

restrict ventilation.

DC Connection Precautions

1. Connect and disconnect DC output clips only after

setting any charger switches to "off" position (if

applicable) and removing AC cord from the electric

outlet. Never allow the clips to touch each other. Clips

may be energized and they may spark.

2. Attach clips to the battery and chassis, refer to the

Battery Installation section.

MM95366,00003A9-19-11OCT18

Battery Location

Charging Battery in Vehicle

CAUTION: Prevent battery explosions! Avoid

sparks!

IMPORTANT: If the vehicle hood closes on cables

charger components can be damaged. Ensure

that the hood does not touch the metal part of

the battery clips or cut insulation of cables.

1. Position AC and DC cables to reduce the risk of

damage caused by the hood, door, and moving or hot

engine parts.

2. Stay clear of the fan blades, belts, pulleys, and other

parts that can cause injury.

3. Check polarity of the battery posts. POSITIVE (POS,

P, +) battery post usually has a larger diameter than

NEGATIVE (NEG, N, -) post.

4. If the negative post is grounded to chassis (as in most

vehicles), see step 5. If the positive post is grounded

to chassis, see step 6.

5. For a negative-grounded vehicle, connect POSITIVE

(RED) clip from the battery charger to POSITIVE

(POS, P, +) ungrounded post of the battery. Connect

NEGATIVE (BLACK) clip to the vehicle chassis or

engine block away from the battery. Do not connect

the clip to the carburetor, fuel lines, or sheet-metal

body parts. Connect to a heavy gauge metal part of

the frame or engine block.

6. For a positive-grounded vehicle, connect NEGATIVE

(BLACK) clip from the battery charger to NEGATIVE

(NEG, N, -) ungrounded post of battery. Connect

POSITIVE (RED) clip to the vehicle chassis or engine

block away from the battery. Do not connect the clip

to the carburetor, fuel lines, or sheet-metal body

parts. Connect to a heavy gauge metal part of the

frame or engine block.

7. When disconnecting the charger, turn switches to off,

disconnect AC cord, remove clip from the vehicle

chassis, and then remove clip from the battery

terminal.

8. When charging is complete, disconnect the charger

from AC power, remove clip from the vehicle chassis,

and then remove clip from the battery terminal.

Charging Battery Outside Vehicle

CAUTION: Prevent battery explosions! Avoid

sparks!

1. Place the battery in a well-ventilated area.

2. Check polarity of the battery posts. POSITIVE (POS,

P, +) battery post usually has a larger diameter than

NEGATIVE (NEG, N, -) post.

Preparing to Charge

10-1

3. Attach a 61 cm (24 in) 6-gauge (AWG) 13.29 mm²

insulated battery cable (not included with charger) to

NEGATIVE (NEG, N, -) battery post.

4. Connect POSITIVE (RED) charger clip to POSITIVE

(POS, P, +) post of battery.

5. Position yourself and free end of cable previously

attached to the NEGATIVE (NEG, N, -) battery post

as far away from the battery as possible. Connect the

NEGATIVE (BLACK) charger clip to the free end of

the cable.

6. Do not face the battery when making nal

connection.

7. When charging is complete, disconnect the charger

from AC power, remove the clamps from the vehicle

chassis, and then remove the clamp from the battery

terminal.

8. Marine (boat) battery must be removed and charged

on shore. Onboard charging requires equipment

specially designed for marine use.

MM95366,00003AA-19-26OCT18

Grounding and AC Power Cord

Connections

NOTE: According to Canadian Regulations, use of an

adapter plug is not allowed in Canada. Use of an

adapter plug in the United States is not

recommended and not used.

CAUTION: Never alter the AC cord or provided

plug. If it does not t the outlet, have a grounded

outlet installed by a qualied electrician.

Improper connection can result in the risk of

electric shock or electrocution.

1. Use the battery charger on nominal 120 V circuit.

Plug into outlet properly installed and grounded in

accordance with all local codes and ordinances. Plug

pins must t the receptacle (outlet). Do not use with

an ungrounded system.

2. The use of an extension cord is not recommended. If

you must use an extension cord, follow these

guidelines:

● Pins on the plug of extension cord must be the same

number, size, and shape as the plug on the charger.

● Ensure that the extension cord is properly wired and

in good electrical condition.

● Wire size must be large enough for the AC ampere

rating of charger, as specied:

Length of Cord (ft) 7.625 m (25 ft) 15.25 m (50 ft) 30.5 m (100 ft) 45.75 m (150 ft)

AWG* Size of Cord 16 gauge (1.31

mm²)

12 gauge (0.82

mm²)

10 gauge (1.31

mm²)

8 gauge (2.0 mm²)

*AWG-American Wire Gauge

MM95366,00003AB-19-11OCT18

Preparing to Charge

10-2

Control Panel

ON-OFF Switch

Use this switch to select between the CHARGE/

MAINTAIN rate, BOOST rate, and the ENGINE START

mode.

OFF—When the switch is in this position (middle), the

charger is turned off.

TYT8110—UN—24MAY18

BOOST

TYT8109—UN—24MAY18

CHARGE/MAINTAIN

BOOST or CHARGE/MAINTAIN— When the switch is

in this position, the Rate Selection button can be set to

either the 6<>2A Charge/Maintain or the 50A Boost

setting.

TYT8111—UN—24MAY18

Engine Start

ENGINE START—When the switch is in this position,

the Rate Selection button can be set to either 12V/250A

or 6V/125A Engine Start mode. The corresponding rate

selection LED illuminates for each Engine Start Mode.

Digital Display

The Digital Display gives a digital indication of voltage,

amperage, and battery %. It always starts in Voltage

mode, but can be switched to a different mode by

pressing the Display button as shown:

Boost mode: Voltage > OFF > Amperage…

Charge/Maintain mode: Voltage > OFF > Battery

Percentage > Amperage…

Engine Start mode: Voltage (No Amperes or Battery

Percentage Mode). If the process is stopped on any

mode (by pressing the START/STOP button), the

display shows "OFF".

NOTE: When in Charge/Maintain mode, the display will

automatically go into sleep mode (shutoff) after 2

minutes. To turn the display back on, press any

push button.

Display Button

TYT8105—UN—24MAY18

Display Button

Use this button to set the function of the digital display to

one of the following:

TYT8106—UN—24MAY18

Battery %

Battery %— The digital display shows an estimated

charge percentage of the battery connected to the

chargers battery clamps, when charging.

TYT8107—UN—24MAY18

Amps

Amps— The display shows the output current, in amps.

TYT8104—UN—24MAY18

Voltage

Voltage— The Digital Display shows the voltage at the

charger battery clamps in DC volts while idling. The auto

detection voltage, 6 or 12, are displayed while boosting/

charging.

START/STOP Button

Use this button to start or stop the charging or boosting

process after the battery is properly connected and an

output or rate has been selected.

Control Panel

15-1

Rate Selection Button

TYT8108—UN—24MAY18

Rate Selection Button

When in Boost or Charge/Maintain mode, use this

button to select one of the following rates:

TYT8110—UN—24MAY18

50A Boost

50A Boost for quickly adding energy to a severely

discharged or large capacity battery.

TYT8109—UN—24MAY18

Charge Maintain

6<>2A Charge/Maintain for charging small and large

batteries.

When in Engine Start mode, use this button to select

one of the following rates:

12V/250A Engine Start

TYT8111—UN—24MAY18

Engine Start

Provides 250A of the engine start capabilities for 12 V

battery systems.

6V/125A Engine Start— Provides 125A of the engine

start capabilities for 6 V battery systems.

LED Indicators

LEDs light to indicate the following:

TYT8106—UN—24MAY18

Battery %

The digital display shows the percentage of the battery.

TYT8107—UN—24MAY18

Amps

The digital display shows the output current, in Amps.

TYT8104—UN—24MAY18

Battery Voltage

The digital display shows the battery voltage.

TYT8109—UN—24MAY18

Charge/Maintain

Charge/Maintain— The charger is in 6<>2A Charge/

Maintain mode.

TYT8110—UN—24MAY18

Boost

Boost— The charger is in 50A Boost mode.

Control Panel

15-2

TYT8111—UN—24MAY18

Engine Start

12 V Engine Start— The charger is in the 12V Engine

Start mode.

6 V Engine Start— The charger is in the 6V Engine

Start mode.

TYT8112—UN—24MAY18

The charger has detected that a battery is connected

and is performing the selected operation.

TYT8119—UN—24MAY18

Charged/Maintaining

Charged/Maintaining— The battery is fully charged

and the charger is in maintain mode.

TYT8113—UN—24MAY18

Reversed Clamps

Reversed Clamps The connections are reversed.

NOTE: See Operating Instructions for a complete

description of the charger modes.

Battery Type Button

TYT8118—UN—24MAY18

Battery Type Button

Use this button to select the type of battery.

TYT8117—UN—24MAY18

STD

Used in cars, trucks, and motorcycles, these batteries

have vent caps and are often marked "low maintenance"

or "maintenance-free". This type of battery is designed

to deliver quick bursts of energy (such as starting

engines) and has a greater plate count. The plates are

thinner and have different material composition.

Standard batteries should not be used for deep-cycle

applications.

TYT8116—UN—24MAY18

Absorbed Glass Mat

The Absorbed Glass Mat construction allows the

electrolyte to be suspended near the active material of

the plates. In theory, this enhances both the discharge

and recharge efciency. The AGM batteries are a variant

of Sealed VRLA (valve regulated lead-acid) batteries.

Popular uses include high-performance engine starting,

power sports, deep-cycle, solar, and storage batteries.

TYT8115—UN—24MAY18

GEL

The electrolyte in a GEL cell has a silica additive that

causes it to set up or stiffen. The recharge voltages on

this type of cell are lower than those for other styles of

the lead-acid battery. This is probably the most sensitive

cell in terms of adverse reactions to the over voltage

charging. Gel batteries are best used in very deep-cycle

applications and may last a bit longer in hot-weather

applications. If the wrong battery charger is used on a

gel cell battery, poor performance and premature failure

results.

MM95366,00003AD-19-25OCT18

Control Panel

15-3

Battery Charging Times

NOTE: Times are based on a 50% discharged battery

and vary depending on the age and condition of the

battery.

CCA = Cold Cranking Amps

Ah = Ampere-hour

RC = Reserve Capacity

BATTERY SIZE or RATING CHARGE

RATE/TIME

(6A<>2A)

SMALL BATTERIES

Motorcycle, garden tractor, and

so on.

6-12 Ah 1-1/2 - 2-1/2 h

12-32 Ah 2-1/2 - 7 h

CARS AND

TRUCKS

200-315 CCA 40-60 RC 7-1/2 - 9-1/2 h

315-550 CCA 60-85 RC 9-1/2 - 12 h

550-1000 CCA 85-190 RC 12-23 h

MARINE/DEEP-CYCLE

80 RC 12 h

140 RC 18 h

160 RC 20 h

180 RC 22 h

MM95366,00003AF-19-11OCT18

Control Panel

15-4

Assembly

IMPORTANT: Remove all cord wraps and uncoil

cables before using battery charger.

Extend the handle from the retracted position by pulling

it upward until it locks into place. (Press the small silver

buttons inward, if necessary.)

MM95366,00003B5-19-11OCT18

Operating Instructions

Charging The Battery

Keep in mind: when charging a battery, the more a

battery is discharged, the faster it absorbs charge from

the charger. In other words, it takes longer for the battery

to absorb the last few percents of charge than the rst

several percents.

CAUTION: Injury or death to you or others can

occur from battery explosion. When the START

button is pressed in either Boost mode, Charge/

Maintain mode or Engine Start mode, the

clamps are energized and spark if touched

together. A spark near the battery can cause an

explosion. Make sure that the charger is OFF

before performing any connection or

disconnection operation.

NOTE: A marine (boat) battery must be removed and

charged on shore.

Boost or Charge/Maintain Mode

1. Place battery in a well-ventilated area.

2. Clean the battery terminals.

3. Set the switch to the OFF position.

4. Connect the battery, following the precautions listed

in sections 6 and 7.

5. Connect the charger to the electrical outlet.

TYT8110—UN—24MAY18

Boost

TYT8109—UN—24MAY18

Charge/Maintain

6. With the charger plugged in and connected to the

battery of the vehicle, set the switch to the Boost/

Charge/Maintain position.

TYT8109—UN—24MAY18

Charge/Maintain

7. Select the Charge/Maintain rate and the battery type.

● If the voltage of the battery is under 12.7 V, the unit

automatically switches to BOOST mode when the

Start button is pressed. When the unit

automatically switches to Boost mode, the 50A

Boost LED lights. When the automatic Boost

mode is completed, the unit automatically

switches to the Charge/Maintain rate and

completes the charge.

TYT8108—UN—24MAY18

Rate Selection Button

TYT8110—UN—24MAY18

Boost LED Lights

TYT8112—UN—24MAY18

ON LED

● If the unit does not automatically switch to Boost

Mode when the Start button is pressed, you can

manually put the unit into the Boost mode. Press

the Rate Selection button until the 50A Boost LED

lights. If the battery is properly connected, the LED

lights solid and the boosting process starts. Boost

mode remains energized until the Rate Selection

button is pressed or the main on-off switch is set to

the OFF position. The unit will not automatically

switch to the Charge/Maintain rate to complete the

charge.

8. Press the START button.

TYT8108—UN—24MAY18

Rate Selection Button

TYT8109—UN—24MAY18

Charge/Maintain Button

● If the unit automatically switches to the Boost, but

the 6<>2A Charge/Maintain rate is preferred,

Operation

20-1

press the Rate Selection button (while still

boosting) until the Charge/Maintain LED is

illuminated.

9. To stop the charging process, press the STOP

button, set the on-off switch to the OFF position and

disconnect the charger from the AC outlet and

battery.

Using The Engine Start Feature

TYT8111—UN—24MAY18

Engine Start

If the battery is low, your battery charger can be used to

jump-start your car.

CAUTION: Follow the same safety instructions

and precautions as when charging the battery.

Wear complete eye protection and clothing

protection. Charge your battery in a well-

ventilated area.

IMPORTANT: Using the ENGINE START feature

WITHOUT a battery installed in the vehicle

damages the vehicle electrical system. Make

sure that a battery is installed to avoid damage.

NOTE: If the engine turns over but does not start, there

is not a problem with the starting system; there is a

problem somewhere else with the vehicle. STOP

cranking the engine until the other problem has

been diagnosed and corrected.

NOTE: During cold weather, or if the battery is under 2

volts, rst boost the battery in 50A Boost mode for

at least several minutes before using the Engine

Start feature.

NOTE: If you have charged the battery and engine still

does not start, do not use the Engine Start feature,

otherwise it damages the vehicle electrical system.

Have the battery checked.

Engine Start Mode

1. Set the on-off switch to the OFF (center) position.

2. Connect the charger to the battery and AC power.

TYT8111—UN—24MAY18

Engine Start Position

3. With the charger plugged in and connected to the

battery of the vehicle, set the on-off switch to the

Engine Start position. If the battery is properly

connected, the yellow/orange Engine Start LED lights

solid and the display shows the current voltage of the

battery. If the display shows "0.0", check the battery

connections.

TYT8108—UN—24MAY18

Rate Selection Button

TYT8111—UN—24MAY18

Engine Start Position

4. Use the Rate Selection button to select either the 12V

Engine Start or 6 V Engine Start rate.

5. To enable the Engine Start output, press the START

button. The display shows "ON".

6. When the Digital Display shows "rdy", start the

engine until it starts or 5 seconds pass. If the engine

does not start within 5 seconds, wait 45 seconds

before attempting to start the engine again.

NOTE: After 3 minutes in Engine Start mode, the

charger will allow the charger and the battery to cool

down for 180 seconds. If the engine fails to start,

use the 50A Boost mode to put energy into the

battery for several minutes before attempting to

start the engine again.

7. After the engine starts, press the STOP button, set

the on-off switch to the OFF (center) position, unplug

the AC power cord, and nally disconnect the battery

clamps from the vehicle.

8. Clean and store the charger in a dry location.

Aborted Charge

TYT8134—UN—07JUN18

Error Code

If charging cannot be completed normally, charging

aborts. When charging aborts, the charger output is

shutoff, and the display shows "bad bat" and an error

code. Do not continue attempting to charge this battery.

Have it checked or replaced.

Operation

20-2

Desulfation Mode

TYT8125—UN—23MAY18

Error Code

TYT8132—UN—23MAY18

The display shows "SUL" when a sulfated battery is

detected, and the charger goes into desulfation mode. If

the desulfation is not successful after 10 hours, the

charger will go into abort mode and the display will show

"bAd / bAE / F02".

Completion Of Charge

TYT8119—UN—24MAY18

Charged/Maintaining

Charge completion is indicated by the CHARGED/

MAINTAINING (green) LED. When lit, the charger has

switched to the maintain mode of operation.

Maintain Mode (Float Mode Monitoring)

TYT8119—UN—24MAY18

Charged/Maintaining

When the CHARGED/MAINTAINING (green) LED is lit,

the charger has started maintain mode. In this mode, the

charger keeps the battery fully charged by delivering a

small current when necessary. If the charger has to

provide its maximum maintain current for a continuous

12 hour period, it goes into abort mode (see Aborted

Charge section). This is caused by a drain on the battery

or the battery could be bad. Make sure that there are no

loads on the battery. If there are, remove them. If there is

none, have the battery checked or replaced.

Maintaining A Battery

NOTE: The maintain mode technology allows you to

safely charge and maintain a healthy battery for

extended periods of time. However, problems with

the battery, electrical problems in the vehicle,

improper connections, or other unanticipated

conditions could cause excessive current draws. As

such, occasionally monitoring your battery and the

charging process is required.

The FR01336 charges and maintains 6 V and 12 volt

batteries, keeping them at a full charge.

Fan Operation

It is normal for the fan to be on all of the time. To allow

the fan to operate efciently, keep the area near the

charger clear of obstructions.

MM95366,00003B1-19-25OCT18

Operation

20-3

Maintenance and Care

A minimal amount of care can keep your battery charger

working properly for years.

● Clean the clamps each time you are nished

charging. Wipe off any battery uid that comes in

contact with the clamps to prevent corrosion.

● Occasionally cleaning the case of the charger with a

soft cloth keeps the nish shiny and help prevent

corrosion.

● Coil the input and output cords neatly when storing

the charger. This helps prevent accidental damage to

the cords and charger.

● Store the charger unplugged from the AC power

outlet in an upright position.

● Store inside, in a cool, dry place. Do not store the

clamps on the handle, clipped together, on or around

metal, or clipped to the cables.

MM95366,00003B3-19-11OCT18

Battery Maintenance

25-1

Storage

CAUTION: To prevent injury or damage to

charger, cords, and clips, use care when

transporting.

1. Store charger unplugged in an upright position. AC

cord conducts electricity until it is unplugged from

outlet.

2. Store inside dry cool place.

3. Do not store clips on or around metal, clipped

together or to cables.

MM95366,0000296-19-26OCT18

Storage

35-1

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Schumacher John Deere TY27731 Automatic Battery Charger Owner's manual

Brand: Schumacher

Model: John Deere TY27731 Automatic Battery Charger

Category: Car battery chargers

Type: Owner's manual

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Schumacher John Deere TY27731 Automatic Battery Charger Owner's manual

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