HANDLING ACCUMULATOR ATTACHMENTS, OPTIONS
6-6
METHOD OF RELEASING PRESSURE IN OPERATING CIRCUIT ON
MACHINE EQUIPPED WITH ACCUMULATOR
WARNING
The hydraulic system is always under internal pressure, so release the pressure inside the circuit before
checking or replacing the piping and hoses. There is danger that high- pressure oil may spurt out and
cause serious personal injury.
● When removing the oil filler cap, oil may spurt out, so remove the cap slowly to release the internal
pressure, then remove the cap carefully.
● The pressure cannot be released completely, so when removing the work equipment circuit, loosen
the screws slowly, and do not stand in the direction where the oil spurts out.
1. Stop the machine on firm level ground.
2. Lower the blade completely to the ground, then stop the
engine.
3. Operate the blade control lever fully in each direction
within 15 seconds after the engine stops to release the
internal pressure.
4. Loosen oil filler cap (F) at the top of the hydraulic tank to
release the internal pressure.
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