Precautions To Be Taken When Working In Particular Conditions; If The Battery Is Down - Komatsu PC16R-3 Operation & Maintenance Manual

Hydraulic excavators
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3.7.4 PRECAUTIONS TO BE TAKEN WHEN
WORKING IN PARTICULAR CONDI-
TIONS
When carrying out digging operations in water, if water gets on
q
the pins of the work equipment, always add grease to the buck-
et articulations (1), (2), (3), (4) and (5) before work.
When carrying out heavy duty digging and deep digging opera-
q
tions, always add grease to the bucket articulations (1), (2), (3),
(4) and (5) (total: 5 points) before work.
After greasing, operate the bucket more than once, then add
grease again.

3.7.5 IF THE BATTERY IS DOWN

It is dangerous to charge the battery when it is installed in
q
the machine. Always remove it before recharge.
Before any operation related to the battery, stop the engine,
q
wait at least one minute, and afterwards turn the battery
main switch to OFF and extract the specific key.
The battery produces hydrogen, which may explode. Do
q
not smoke and avoid producing sparks near the battery.
The battery electrolyte is made of diluted sulphuric acid
q
that may corrode clothes and even the skin; in case of con-
tact with this fluid, immediately rinse the involved part with
plenty of water. If the acid gets into the eyes, immediately
rinse with plenty of water and consult a doctor without de-
lay.
When working on the battery, always wear goggles and
q
rubber gloves.
When removing the battery, disconnect the earth cable (-)
q
first. When installing the battery, connect the positive ter-
minal (+) first. 
If a tool touches the positive terminal and the frame of the
machine at the same time, sparks may be generated, thus
causing an explosion hazard.
Carefully tighten the connection terminals, since false con-
q
tacts may generate sparks with consequent risk of explo-
sion.
The accumulation of oxide around the terminals causes the
q
battery to discharge. Clean the terminals carefully and cov-
er them with a thin film of grease before installation.
WARNING
WEAM012405
TROUBLESHOOTING
RYA02950
181

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