Operation & Maintenance Manual
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LG968 /969Wheel Loader
78
open the oil drain plug at the front of gearbox to drain the oil, and contain it in container.
NOICE:
During
draining
,
not only drain all the oil of gearbox out, but also drain the oil of torque
converter radiator.
△
!
WARNING
If the temperature of gearbox oil is relatively high please wear
protective clothes, and operate carefully to prevent self hurt.
z
Release all the oil, clean the scrap iron on oil drain plug and the oil dirt on gearbox. Assemble the
plug together with new seal ring.
z
Rotate to open the cover of oil inlet of gearbox, add prescriptive hydraulic transmission oil.
Rotate the cover back.
z
Start the engine and run at idle status, add oil until the oil level is between lower scale and middle
scale.
z
Select all the gearshifts one time.
z
Check the oil level again, add more if necessary.
△
!
NOTICE
z
If the old oil is dirty, do not add new oil directly, but disassemble
the coarse filter, clean all the parts. If there is any metal power or
particles please contact with maintenance man.
z
Assemble the parts orderly, add new hydraulic transmission oil
a little, start engine at idle status for 3~5 minutes, and then
release the oil in oil pan and add new prescriptive oil.
3.6.4 Adding Oil to Axle
3.6.4.1 Adding Oil to LG Axle
①
Oil Level Checking
