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Starting the Engine with Jumper CablesStarting the Engine with Jumper Cables
WARNINGWARNING
Hazardous hydrogen gas and sulphuric acid. Check for required voltageHazardous hydrogen gas and sulphuric acid. Check for required voltage
and polarity connections to discharged batteries. Excessive boosterand polarity connections to discharged batteries. Excessive booster
voltage and/or incorrect jumper cable connections, open flame, lightedvoltage and/or incorrect jumper cable connections, open flame, lighted
cigar, or other ignition source can cigar, or other ignition source can cause battery explosion/fire. Keep allcause battery explosion/fire. Keep all
sources of ignition away from batteries. Do not lean over batteries, andsources of ignition away from batteries. Do not lean over batteries, and
wear eye protection at all wear eye protection at all times to prevent personal injury.times to prevent personal injury.
Do not jump start a vehicle by Do not jump start a vehicle by using arc welding equipment. Currents andusing arc welding equipment. Currents and
voltages are dangerously high and cannot be sufficiently reduced to makevoltages are dangerously high and cannot be sufficiently reduced to make
the method safe.the method safe.
Note:Note:Be sure machines are not touching each other. Use cables that are equalBe sure machines are not touching each other. Use cables that are equal
to cable size on the machine, for example (1/0) or (2/0).to cable size on the machine, for example (1/0) or (2/0).
If jumper cables are used to start an engine, be sure to follow this procedure:If jumper cables are used to start an engine, be sure to follow this procedure:
Connect one end of a jumper cable, usually coloured red, to the dischargedConnect one end of a jumper cable, usually coloured red, to the discharged
battery 'POSITIVE' (+) post. Connect the other end of the same cable to thebattery 'POSITIVE' (+) post. Connect the other end of the same cable to the
'POSITIVE' (+) post on the booster or charged battery.'POSITIVE' (+) post on the booster or charged battery.
Connect one end of the second cable, usually coloured black, to the 'NEGATIVE'Connect one end of the second cable, usually coloured black, to the 'NEGATIVE'
(-) post of the booster battery. Connect the other end of the 'NEGATIVE' (-) cable(-) post of the booster battery. Connect the other end of the 'NEGATIVE' (-) cable
to machine frame for grounding so that if a spark occurs, it is away from batteryto machine frame for grounding so that if a spark occurs, it is away from battery
fumes (explosive hydrogen).fumes (explosive hydrogen).
Check for cause of failure on the dead battery.Check for cause of failure on the dead battery.
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