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OPERATION
TROUBLES AND ACTIONS
TROUBLES AND ACTIONS
RUNNING OUT OF FUEL
When starting the engine again after running out of fuel, fill with fuel, then bleed the air from the fuel system before
starting the engine.
Procedure for Bleeding Air
1.
Fill the fuel tank with fuel (to the position where the float is at the
highest position).
2. Open the rear door at the right of the machine.
3.
Loosen the knob of feed pump (1), pull it out, then pump it in
and out until the movement becomes heavy.
REMARK
It is not necessary to remove the plug at the top of the fuel pre-filter
and fuel main filter.
4.
Push in the knob of feed pump (1) and tighten it.
5. Turn the key in the starting switch to the START position and start the engine.
When doing this, do not crank the starting motor continuously for more than 20 seconds. If the engine does not
start, wait for at least 2 minutes, then try again. Perform this operation a maximum of 4 times.
PHENOMENA THAT ARE NOT FAILURES
Note that the following phenomena are not failures:
When the arm control lever is operated to the IN position and the
work equipment is lowered under no load from a high position,
the arm speed will drop momentarily when the arm is more or
less at the vertical position.
When the bucket control lever is operated to the CURL position
and the work equipment is lowered under no load from a high
position, the bucket speed will drop momentarily when the
bucket teeth are more or less at the horizontal position.
The bucket or arm will fluctuate by itself during heavy-duty
digging operations.
When starting or stopping the swing, noise will be emitted from the brake valve.
When going down a steep slope at low speed, a noise will be emitted from the travel motor brake valve.
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