Fiat Kobelco EX355 Tier2, Техническое руководство

Страница: 204 / 968

EX355 T4-4-5
EXCAVATOR TEST
SWING SPEED
Summary:
Measure the time required to swing three complete
turns.
Preparation:
1. Check the lubrication of the swing gear and swing
bearing.
2. Place the machine on flat, solid ground with ample
space for swinging. Do not conduct this test on
slopes.
3. With the arm rolled out and bucket rolled in, hold the
bucket so that the height of the bucket pin is the
same as the boom foot pin. The bucket must be
empty.
4. Maintain the hydraulic oil temperature at 50 ± 5 °C
(122 ± 9 °F).
CAUTION
Prevent personal injury. Always make sure that
the area is clear and that co-workers are out of the
swing area before starting the measurement.
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 swing control lever fully.
3. Measure the time required to swing 3 turns in one
direction.
4. Operate swing control lever fully in the opposite
direction and measure the time required for 3 turns.
5. Repeat steps 2. to 4. three times and calculate the
average values.
Evaluation:
Refer to the Performance Standard Table in Group
T4-2.
The same height as the
boom foot pin height
SM0144