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29.5 HANDLING TRAPEZOIDAL BUCKET
This bucket is used to dig trapezoidal ditches on paddy fields, farm-
land ect. and can dig 3 types of ditch gradients ( 45
a movable plate is attached.
•
The mounting position of the movable plate varies depending on
whether the ditch gradient is 45
How to perform excavation
Operate the boom, the arm and the bucket to make the line
side-plate of the bucket vertical.
The guide plate
pins. Accordingly, hold this plate horizontal when digging.
Ditch gradient of 45
o
Attached the bucket only or the movable plate by selecting the re-
lated ditch holes. Perform digging by the above method.
o
Ditch gradient of 40
or 38
Attached the bucket only or the movable plate by selecting the re-
lated ditch holes. Perform digging by the above method.
Even if the trapezoidal bucket is provided with the movable plate, al-
ways perform digging with the bucket side face perpendicular to the
ground.
o
, 40
o
or 38
to check this position is installed beside the bucket
o
29. INTRODUCTIONS OF ATTACHMENTS
o
, 40
o
and 38
o
) when
o
.
of the
5-17
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