New Holland LS120 Repair Manual page 38

SECTION 10- ENGINE
BATTERY JUMP STARTING
Jump start (boost) a weak battery using a charge
booster battery. Use the following procedure to
prevent starter damage, battery damage, and
personal injury.
A
WARNING
A
Jump starting a battery incorrectly can cause the
battery to explode, resulting in personal injury or
death.
Batteries give off hydrogen gas, especially
during charging
or
jump starting. Ignition of
explosive battery gases can result in severe
personal injury. Do not smoke or allow any
Ignition source near the battery.
Attempting to Jump start a frozen battery
can
cause the battery to explode. Inspect battery
cells for ice before attempting to jump start when
ambient temperature is below 0° C (32°
F).
1 . Disconnect any engine load by disengaging the
traction drive belt using the lever, 1, beneath the
operator's seat.
2. Use good quality, heavy duty jumper (booster)
cables.
3. Use a booster battery with similar characteristics
to the installed battery (see Specifications).
4. Attach one end of the positive (red) booster cable
to the positive ( +) terminal of the booster battery.
5. Attach the other end of the positive cable to the
positive(+) terminal of the installed battery.
A
WARNING
A
Electrical arcing can cause serious personal
injury. Do not allow positive and negative cable
ends to touch.
Electrical arcing can cause ignition of explosive
battery gases resulting
in
severe person injury.
Do not allow positive and negative cable ends to
touch.
6. Attach one end of the negative cable (black) to
the negative (-) terminal of the booster battery.
7. Attach the other end of the negative cable to a
solid chassis ground of the assisted skid steer.
8. If the booster battery is installed in another
vehicle, start the booster vehicle engine to use
alternator output and avoid unnecessary loading
of the booster battery.
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