Operation & Maintenance Manual
──
LG958L/LG959 Wheel Loader
65
Refer to
1.1 Control Systems and Gauges Figure3-1
、
3-2
in this chapter
.
This handle controls the bucket and lift arm. There are four gears to control the lift, neutral, lower and
float of the lift arm from front to rear, and there are three gears to control the forward tilt, neutral and
rear tilt of the bucket from left to right.
Two buttons of handle is used for linking or shifting off
attachments.
Quick-change Equipment Control (if assembled):
Left button
controls piston rod of double beam hydraulically
cylinder extend to link attachments.
Right button
controls piston rod of double beam hydraulically
cylinder draw back to shift off attachments.
Notice
:
Never come away the attachment in operation.
Lift Arm Control Handle
Put the control handle from front to back to control the lower, float, neutral and lift of the lift arm.
Lift
is used for lifting.
Neutral
is used for maintaining the lift arm in the desired position.
Lower
is used for lowering.
Float
is used for moving freely under applied force.
Notice:
Never put the lift arm down when it is in the floating position.
Bucket Control Handle
Move the control handle from left to right to control the front tilt, neutral and rear tilt of the
bucket.
Rear Tilt
is used for drawing in the bucket
Neutral
is used for keeping the bucket in the desired position.
Forward
Tilt
is used for dumping.
Lifting limit location function:
When place the control handle in the lifting position, the
electromagnetic force from lifting limit location locked magnet coil of pilot valve can lock the
control level in the lifting position; When the lift arm lifts to the highest position, the lifting limit
proximity switch (fixed on the lift arm) controls the locked magnet coil of pilot valve to power
off, so the control handle turn to neutral position to realize the lifting limit to prevent the working
device from injury by hydraulic impact.
Set level automatically function:
When dumping in the highest position, move the control
handle left to the rear tilt position and the control handle is locked. During drawing the bucket,
the control handle returns to the neutral position and place it in the lowering position when in the
set level automatically position. Then the working device is placed on the ground and the bucket