32
Lever Position
Attachment
Control Lever
(Left)
Attachment
Control Lever
(Right)
Pattern BPattern A
Arm up
Arm crowd
Swing left
Swing right
Boom down
Boom up
Swing left
Swing right
A
B
C
D
Boom down
Boom up
Bucket crowd
Bucket dump
Arm up
Arm crowd
Bucket crowd
Bucket dump
1
2
3
4
OPERATION OF THE BOOM
To raise the boom, pull the attachment
control lever back.
The boom is equipped with a cushion
cylinder which helps prevents 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.
IMPORTANT:
When lowering the boom, make sure
that it does not hit the dozer and that the
bucket teeth do not touch the dozer.
OPERATION OF THE ARM
Pull back the attachment control lever and the
arm will be pulled in. To move the arm out,
push the control lever towards the front.
NOTE:
When pulling in the arm, the movement
may stop for a short moment when the
arm is in its vertical position. This is
caused by the combined load of the arm
and bucket moving the cylinder piston
away from the hydraulic fl ow causing a
short delay in the cylinder action, until the
fl ow catches up with cylinder piston. This
is a characteristic of the hydraulic system
and is no sign of a malfunction.
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