Schumacher Electric DSR104 Guide D'utilisation page 6

6. For a negative-grounded vehicle,
connect the POSITIVE (RED) clip from
the booster to the POSITIVE (POS,
P, +) ungrounded post of the battery.
Connect the NEGATIVE (BLUE) 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. For a positive-grounded vehicle,
connect the NEGATIVE (BLUE) clip
from the booster to the NEGATIVE
(NEG, N, -) ungrounded post of the
battery. Connect the 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.
8. If the batteries are side by side:
Connect the red clamp (+) to the
positive terminal (+) of the battery, and
then connect the blue clamp (-) to the
negative (-) terminal of the other battery.
9. If the batteries are on both sides
of the vehicle: Connect the red clamp
(+) to the positive terminal (+) of the
battery, and then connect the blue
clamp (-) to the mass of the vehicle.
10. Connect the output voltage selector
12V
11. Crank the engine. If the engine does not
start within 8-10 seconds, stop cranking
and wait at least 3 minutes before
attempting to start the vehicle again.
• To allow the voltage of the booster
battery to build up again.
• To allow the renewal of gases inside
the battery.
• To allow the internal components of
the battery to cool down.
If you do not wait and/or the starting
attempt is too long, you risk losing power,
you reduce your starting possibilities by
the second attempt and you risk melting
the fuse inside.
8.5 Indication of polarity inversion
8.6 Internal fuse replacement
24V
• 6 •
IMPORTANT:
• Never connect the booster to a battery
or starter which is in short-circuit. The
internal fuse will blow.
• Make sure clamps are connected
correctly.
• Never disconnect the booster while
engine running when there is no
battery in the vehicle or when the
vehicle's battery is at 0 volt. This may
damage the alternator.
12. After the engine starts, disconnect
the output voltage selector.
Then, disconnect the blue clamp (-)
and the red clamp, (+) in that order.
13. Return the cables and clamps to their
support posts.
14. Immediately recharge the booster.
If the polarity is incorrect, the alarm will sound:
• If the remaining voltage in the batteries
of the vehicle is at least 4 volts
• If the output voltage selector is not
connected
The booster is equipped with an internal
fuse. It can melt following a short circuit or
a too-long start attempt.
To monitor the fuse:
• Press on the voltmeter. If it does not
deviate, the fuse has melted.
• Measure the voltage at the clamps:
0 volt = melted fuse.
Fuse specification
AMG Heavy Duty 500A
WARNING! KEEP AWAY FROM SPARKS
AND FLAMES – BATTERY COULD EMIT
EXPLOSIVE GASES.
1. Allow the fuse to cool down
completely (approximately 5 minutes).
2. Make sure the unit is unplugged from
the external charger.
3. Remove the positive (RED) clamp
from the storage compartment on the
side of the unit and locate the fuse
holder.
4. Open the fuse holder by removing its
cover.
5. Using a wrench, remove the first nut
and bolt securing the fuse on the
positive cable. Repeat the same steps
for the second nut and bolt. Remove
the open fuse and replace it with a
new one of the same type and rating.
6. Tighten the nuts and bolts to secure
the fuse, and then replace the cover of
the fuse holder.
7. The unit is now ready to use.