11. EXPLANATION OF COMPONENTS
11.16 HANDLING ACCUMULATOR
A
WARNING -1
On machines equipped with an accumulator, for a short time
after the engine is stopped, if the work equipment control lever
is moved to the LOWER position, the work equipment will move
down under its own weight.
After stopping the engine, always place the safety lock lever in
the LOCK position and lock the attachment control pedal with
the lock pin.
The accumulator is filled with high-pressure nitrogen gas, and
it is extremely dangerous if it is handled in the wrong way.
Always observe the following precautions.
l Never make any hole in the accumulator or expose it to flame
or fire.
l Do not weld any boss to the accumulator.
l When disposing of the accumulator, it is necessary to release
the gas from the accumulator, so please contact your Komatsu
distributor.
This machine is equipped with the accumulator in the control circuit.
The accumulator is a device to store the pressure in the control
circuit, and when it is installed, the control circuit can be operated
for a short time even after the engine is stopped. Therefore, if the
control lever is moved in the direction to lower the work equipment,
it is possible for the work equipment to move under its own weight.
r
The accumulator is installed to the position shown in the diagram
on the right.
2-33
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