Schumacher 9500A Owner'S Manual Download Page 3

3

471-499

OPERATING INSTRUCTIONS: CHARGING BATTERY IN VEHICLE

When charging battery in the vehicle, take care to determine the battery type and which post is grounded. To reduce risk of a spark
near battery, follow these steps when battery is installed in vehicle. 

WARNING: A spark near battery may cause battery explosion.

1.

Check polarity of battery posts. Battery case will be marked
by each post: POSITIVE (POS, P, +) and NEGATIVE (NEG,
N, -). 

NOTE:

 The positive battery post usually has a larger

diameter than the negative post.

2.

Attach a 24-inch long (or longer)  6-gauge (AWG) insulated
battery cable to NEGATIVE (NEG, N, -) battery post.
(The 24" lead is not supplied. You may purchase at most
automotive stores.)

3.

Connect POSITIVE (RED) charger clip to POSITIVE (POS,
P, +) post battery. Rock clip back and forth to make good
connection.

4.

Position yourself and free end of 24 inch cable as far away
from battery as possible. Then connect NEGATIVE (BLACK)
charger clip to free end of cable.

WARNING: 

 Do not face battery when making final con-

nection. Rock clip back and forth to make a good connec-
tion.

5.

Connect the AC power cord and then make the desired
charger settings. (See Battery Charging-section H).

6.

Observe the meter for proper response, if something does
not look right, refer to the troubleshooting section of this
manual.

OPERATING INSTRUCTIONS: CHARGING BATTERY OUT OF VEHICLE

When charging battery out of vehicle, take care to determine the battery type. To reduce risk of a spark near battery, follow these steps
when battery is outside vehicle. 

WARNING: 

A spark near the battery may cause battery explosion. 

WARNING: 

When removing battery

from vehicle or boat, disconnect grounded pole first. When disconnecting, make sure all accessories are off, so as not to cause an arc.
(

NOTE: 

A marine (boat) battery must be removed and charged on shore. (To charge on board requires special equipment designed for

marine use.) 

WARNING: 

When reinstalling battery, attach the ground post first.

F.

G.

1. Position AC power cord and DC charging cords to reduce

risk of damage by hood, door, or moving engine parts.

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

can cause injury.

3. Check polarity of battery posts. Battery case will be marked

by each post: 

POSITIVE (POS, P, +) and NEGATIVE (NEG,

N, -). NOTE: 

The positive battery post usually has a larger

diameter than the negative post.

4. Determine which post of battery is ground (connected) to

chassis.

NOTE: 

The negative post is normally grounded.

NEGATIVE GROUNDED POST

5A.

For negative-grounded vehicle, connect POSITIVE (RED)

clip from battery charger to POSITIVE (POS, P, +) ungrounded
post of battery. Connect NEGATIVE (BLACK) clip to vehicle
chassis or engine block away from battery. Connect to a heavy
gauge metal part of the frame or engine block.

POSITIVE GROUNDED POST

5B.

For positive-grounded vehicle, connect NEGATIVE

(BLACK) clip from battery charger to NEGATIVE (NEG, N, -)
ungrounded post of battery. Connect POSITIVE (RED) clip to
vehicle chassis or engine block away from battery. Connect to a
heavy gauge  unpainted metal part of the frame or engine block.

WARNING: 

Do not connect clip to carburetor, fuel lines, or sheet-

metal body parts. 

NOTE: 

Attach clips to battery post and twist

or rock back and forth several times to make a good connec-
tion. This tends to keep clips from slipping off terminals and
helps to reduce risk of sparking.

6. Connect the AC power cord and then make the desired

charger settings, (See Battery Charging-section H).

7. Observe the meter for proper response, if something does

not look right, refer to the trouble shooting section of this
manual.

8. When the battery is fully charged, unplug the charger from

the AC outlet.

9. When the battery is charged and the charger is unplugged:

(1) Remove clip from the vehicle chassis, then
(2) Remove clip from the battery post, in that order.

7. When battery is fully charged, unplug charger from AC out-

let.

8. When battery is fully charged and the charger is unplugged:

(1) Remove clip from end of the Negative end of cable,
then
(2) Remove clip from Positive battery post, in that order.

9. Clean and store battery charger.

WARNING: 

Be sure area around the battery is well venti-

lated while battery is being charged. Gas can be forcefully
blown away by using a piece of cardboard or other non-
metallic material as a fan.

24" CABLE

BATTERY

       CABLE

Summary of Contents for 9500A

Page 1: ...y Take it to a qualified professional for inspection and repair 8 Do not disassemble charger Take it to a qualified profes sional when service or repair is required Incorrect reas sembly may result in...

Page 2: ...til a prop erly grounded outlet can be installed by a qualified electrician Never place charger directly above the battery being charged gases from battery could damage the charger Never allow battery...

Page 3: ...moving engine parts 2 Stay clear of fan blades belts pulleys and other parts that can cause injury 3 Check polarity of battery posts Battery case will be marked by each post POSITIVE POS P and NEGATIV...

Page 4: ...th this switch in the OFF position Battery Voltage Select 6V 12V The 6 volt position should be used for charging 6 volt batteries The 12 volt position should be used for charging 12 volt batter ies TO...

Page 5: ...attery then switch the power switch to the ON position 4 The charger will be in the MANUAL mode indicated by MAN on the meter display 5 Press START button and observe RDY on the display meter The char...

Page 6: ...ting the MANUAL mode and the 2 amp setting This should bring the battery voltage to the needed voltage in a few minutes 3 Vehicle will not start in ENGINE START A Unplug the charger and check the conn...

Page 7: ...7 471 499 NOTES...

Page 8: ...8 471 1197 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS 801 BUSINESS CENTER DRIVE MOUNT PROSPECT ILLINOIS 60056 2179 ELECTRIC CORP...

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