177
OPTIONS
Accumulator
Operating the Machine with
Accumulator
On machines equipped with an accumulator,
the residual pressure in the auxiliary
hydraulic circuits can be released within a
specific amount of time after the engine is
stopped.
Releasing the residual pressure
After using the machine, pressure remains
in the hydraulic circuits. This is called the
residual pressure. Use the procedure below
to release the residual pressure as
necessary.
Perform the operation to release the residual
pressure within 5 minutes after stopping the
engine.
1. Push back the throttle lever and idle the
engine at low speed.
2. Lower the bucket and dozer blade to the
ground.
3. Check that the safety lock lever is in the
released position.
4. Stop the engine.
5. Turn the starter switch to the ON position.
¡First auxiliary hydraulics
6. Press both the auxiliary hydraulic switches
(A) and (B) several times to release the
residual pressure in the circuitry.
¡Second auxiliary hydraulics
6. Press both the auxiliary hydraulic pedal
(C) and (D) several times to release the
residual pressure in the circuitry.
7. Raise the safety lock lever to engage the
lock.
B
A
J1B009
J1L0051
C
D
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