OP000530
4-75
Inspection, Maintenance and Adjustment
ELECTRICAL SYSTEM
NOTE:
Never disassemble electrical or electronic parts.
Consult with a DOOSAN distributor or sales agency
before servicing.
Battery
Batteries in Cold Weather
In colder weather a greater drain is placed on the batteries when
they are used for the preheat cycle and when starting a cold
engine. Battery performance decreases as the temperature gets
lower.
In extremely cold weather, remove the batteries at night and
move them to a warm location. This will help to keep them at a
higher power level.
WARNING!
Battery electrolyte contains sulfuric acid and can quickly
burn the skin and eat holes in clothing. If you spill acid on
yourself, immediately flush the area with water.
Battery acid could cause blindness if splashed into the
eyes. If acid gets into the eyes, flush them immediately with
large quantities of water and see a doctor at once.
If you accidentally drink acid, drink a large quantity of water
or milk, beaten egg or vegetable oil. Call a doctor or poison
prevention center immediately.
When working with batteries, always wear safety glasses or
goggles.
Battery generates hydrogen gas, so there is danger of an
explosion. Do not bring lighted cigarettes near the battery,
or do anything that will cause sparks.
Before working with batteries, shut down engine and turn
the starter switch to the "O" (OFF) position.
Avoid short circuiting the battery terminals through
accidental contact with metallic objects, such as tool.
When removing or installing, check which is the positive (+)
terminal and negative (-) terminal.
When removing the battery, first disconnect the negative (-)
terminal. When installing the battery, first connect the
positive (+) terminal.
If the terminals are loose, there is danger that the defective
contact may generate sparks that will cause an explosion.
When installing the terminals, install them tightly.
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