DieHard 28.71221 Operator'S Manual Download Page 2

DIEhARD ThREE-YEAR FULL WARRANTY

When operated and maintained according to all supplied instructions, if this DieHard 

product fails due to a defect in material or workmanship within 3 years from the date 

of purchase, return it to any DieHard outlet in the United States for free replacement.

This warranty gives you specific legal rights, and you may also have other rights 

which vary from state to state.

Sears Brands Management Corporation, Hoffman Estates, IL 60179

FOR CUSTOMER ASSISTANCE OR REPLACEMENT PARTS,  

CALL TOLL-FREE FROM 7 AM TO 5 PM CT  

MONDAY ThROUgh FRIDAY: 1-800-732-7764

TABLE OF CONTENTS

SECTION 

PAgE

IMPORTANT SAFETY INSTRUCTIONS 

1

PERSONAL PRECAUTIONS 

2

PREPARING TO CHARGE 

3

CHARGER LOCATION 

3

DC CONNECTION PRECAUTIONS 

4

FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE  4
FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE 

5

GROUNDING AND AC POWER CORD CONNECTIONS 

5

ASSEMBLY INSTRUCTIONS 

6

FEATURES/CONTROL PANEL 

6

OPERATING INSTRUCTIONS 

6

CALCULATING CHARGE TIME 

7

MAINTENANCE INSTRUCTIONS 

7

MOVING AND STORAGE INSTRUCTIONS 

8

TROUBLESHOOTING 

8

BEFORE RETURNING FOR REPAIRS 

9

Summary of Contents for 28.71221

Page 1: ...1221 00 99 001008 01 12V Manual Battery Charger Read and follow all Safety Rules and Operating Instructions before Every Use of this Product Save these instructions Sears Brands Management Corporation...

Page 2: ...tes IL 60179 For customer assistance or replacement parts call toll free from 7 am to 5 pm CT Monday through Friday 1 800 732 7764 Table of Contents Section Page IMPORTANT SAFETY INSTRUCTIONS 1 PERSON...

Page 3: ...ces state the hazard Numbered sentences state how to avoid the hazard The icon gives a graphical description of the potential hazard Pursuant to California Proposition 65 this product contains chemica...

Page 4: ...f the battery Review the cautionary markings on these products and on the engine This charger employs parts such as switches and circuit breakers that tend to produce 1 12 arcs and sparks If used in a...

Page 5: ...ose or mouth Add distilled water to each cell until the battery acid reaches the level specified by the 3 4 battery manufacturer Do not overfill For a battery without removable cell caps such as valve...

Page 6: ...cted to the chassis vehicle 6 4 frame If the negative post is grounded to the chassis as in most vehicles see step 6 5 If the positive post is grounded to the chassis see step 6 6 For a negative groun...

Page 7: ...cting 7 7 procedure and break the first connection while as far away from the battery as practical A marine boat battery must be removed and charged on shore To charge it onboard 7 8 requires equipmen...

Page 8: ...activity on the meter although the meter does not have the resolution to display this low rate For the 2 amp charge rate a triangle has been provided Its accuracy has been calibrated for use with sma...

Page 9: ...anking Amps RC Reserve Capacity AH Amp Hour NR means that the charger setting is NOT RECOMMENDED Find your battery s rating on the chart below and note the charge time given for each charger setting T...

Page 10: ...ery is defective will not accept a charge 2 amp charge rate is being used Plug the charger into an AC outlet Check for open fuse or circuit breaker supplying AC outlet Check power cord and extension c...

Page 11: ...normal condition BEFORE RETURNING FOR REPAIRS 16 When a charging problem arises make certain that the battery is capable of accepting 16 1 a normal charge Double check all connections the AC outlet f...

Reviews: