Operation & Maintenance Manual
──
LG968 /969Wheel Loader
62
Do the following works after 10 hours new machine training:
1.
Check the fastening status of bolts and nuts of all parts. Especially the bolts of diesel engine
cylinder cover, vent-pipe bolts, front and rear frame bolts, rim bolts, transmission axle bolts
and connection bolts one time entirely.
2.
Clean the coarse and extract oil filter and fuel filter.
3.
Check the loosen status of belt of fan, electrical machine and air condition compressor
4.
Check the specific gravity of storage battery electrolyte and its reserves, fasten the connect
poles.
5.
Check the oil level of gearbox. Please see “
3.6.3 Adding Oil to Gearbox
”.
6.
Check the seal of hydraulic system and s system.
7.
Check the connection and sensitivity of levers (handles).
8.
Check the temperature and connection of circuit system, power supply of electrical machine,
gauge, light and lamps and turning signals.
9.
Open the air storage tank to drain water.
The following works should be done after training of new machine:
1.
Clean the filter net at gearbox bottom and the filter cartridge of oil suction.
2.
Clean the filter cartridge of hydraulic oil tank.
3.
Replace the mobile oil of engine Please see “
3.6.1 Fuel Supplying of Engine
”.
3 OPERATION AND USAGE OF LOADER
3.1 Notices for Usage
1.
The diesel must be deposit more than 72 hours before using, the trademark should fit for the
rules.
2.
Transmission oil for gearbox, torque converter and the hydraulic oil for hydraulic system
must be clean.
3.
The loader must be maintained and lubricated periodically.
4.
Drive until the brake pressure reach 0.4MPa after the engine starting.
5.
Preheat the engine until 30~40
℃
before starting if the environment temperature is lower
than 5
℃
.
6.
Do not stop the machine and brake to change the transmission. when changing the speed
from low to high, release the accelerograph a little and operate the Gear Control Lever at the
