Operation & Maintenance Manual
──
LG968 /969Wheel Loader
81
to butter port.
The rotation torque of all the bolt connections between axles and frames\transmission axis\ rims
should be examined periodically. (first examination should be after working. 50 hours)
3.6.5 Adding Oil to Hydraulic Oil Box
①
Oil Level Checking
z
Park the machine on plane ground, level the bucket on the
ground, and then check whether there is angle between front
and rear frame.
z
Check the oil level indicator of hydraulic oil box at the left
side of machine. The level indicator scale is at the middle
with the error within ±2. If the oil level indicator is lower
than -2 scale, please add hydraulic oil.
Selection of oil please see “
CHAPTER IV 2.2
Selection of Oil, Fuel and Coolant
”.
The followings are the same.
②
Oil Replacing
△
!
WARNING
If it needs any operation during replacing oil, please do as the
relative rules, and pay attention to safety.
△
!
NOTICE
Pay attention to the clarity of oil during replacing oil;
never
let other materials enter the hydraulic system directly.
z
Clean the sundries in bucket, part the machine on plane ground and put the transmission lever at
neutral
position, push down the parking brake switch, start the engine at idle status for 10
minutes, raise and lower the lift arm several times, tilt forward and backward the bucket several
times.
z
Raise the lift arm to the upper most position; tilt backward the bucket to the most position and
