Fiat Kobelco EX355 Tier2, Техническое руководство

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EX355 T4-4-9
EXCAVATOR TEST
MAXIMUM SWINGABLE SLANT ANGLE
Summary:
With the upperstructure swung 90° to the slope, check
the maximum slant angle on which the upperstructure
can swing to the uphill side.
Preparation:
1. Check that the swing gear and bearing are well
lubricated.
2. Load bucket fully. In lieu of loading the bucket,
weight (W: tons) of the following specification can
be used.
W = M x 1.5
where: M = Bucket heaped capacity (m
3
)
1.5 = Soil specific gravity
3. With the arm cylinder fully retracted and the bucket
cylinder fully extended, hold the arm top pin to the
position flush with the boom foot pin height.
4. Climb a slope and swing the upperstructure 90° to
the slope.
5. Maintain the hydraulic oil temperature at 50 ± 5 °C
(122 ± 9 °F).
Measurement:
1. Select the following switch positions:
Engine E Mode HP Mode Work Auto-
Control Switch Switch Mode Idle
Dial Switch Switch
Fast OFF OFF General OFF
Idle Purpose
Mode
2. Operate the swing lever to full stroke to swing the
upperstructure to the uphill side.
3. If the machine can swing, measure the cab floor
slant angle.
4. Increase the slope angle and repeat steps 2. and 3.
Check both clockwise and counterclockwise.
5. Perform the measurement three times.
Evaluation:
Refer to the Performance Standard Table in Group
T4-2.
SM0148