25
EXCAVATOR OPERATION
OPERATION OF THE BOOM
To raise the boom, pull the attachment control lever back.
The boom is equipped with a cushion cylinder which helps
prevent excavated material in the bucket from falling out.
Low hydraulic oil temperature, (e.g. after starting the
engine in cold weather) the cushioning function will be
effected for a short period of time (approx. 3 to 5
seconds). This condition results from the viscosity of the
hydraulic oil and is not a sign of malfunction.
The cushion cylinder will operate normally as the oil
warms up.
A
When lowering the boom, make sure that it does not
hit the dozer and that the bucket teeth do not touch the
dozer.
Lever Position
Pattern A
Pattern B
Attachment
Control Lever
(Left)
A
B
C
D
Boom down
Boom up
Swing left
Swing right
Arm up
Arm crowd
Swing left
Swing right
Attachment
Control Lever
(Right)
1
2
3
4
Arm up
Arm crowd
Bucket crowd
Bucket dump
Boom down
Boom up
Bucket crowd
Bucket dump
Содержание Super Series 2 KX 91-3
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