Operation & Maintenance Manual
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LG946L Wheel Loader
83
While replacing oil if other maintenance needs to be done do
so following the relevant rules, and pay attention to safety.
△
!
NOTICE
Pay attention to the clarity of the oil while replacing it;
never
let other materials enter the hydraulic system directly.
z
Clean out the in bucket. Park the machine on level ground and put the transmission lever in
the
neutral
position. Pull the brake valve manual control handle or press the braking control
lever to carry out braking. Start the engine and keep in the idle status for 10 minutes. Raise
and lower the lift arm several times, and tilt the bucket forward and backward several times.
z
Raise the lift arm to the highest position; tilt the bucket backwards to the extreme position
and shut the engine.
z
Push the bucket control lever forward to let the bucket tilt forward freely by its weight.
Drain out the oil in the bucket cylinder. After the bucket has tilted to the desired position,
push the lift arm control lever forward to let the lift arm fall down by its weight freely. Drain
out the oil in the lift arm cylinder.
z
Loosen the oil releasing spherical valve on the oil tank bottom to drain the oil to the
container. Open the oil inlet cover at the same time to fasten the draining process.
z
Disassemble the flange cover of the oil box bottom. Clean the oil tank inside, the oil adding
port and the oil returning filter elements. If the elements are broken, please replace with a
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!
WARNING
The temperature of hydraulic oil may be high, so wear
protective clothes, and operate carefully to prevent injury.
