Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
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Do the following maintenance after 10 hours of run-in time on the new loader:
z Check the fastening status of bolts and nuts of all parts, but especially the bolts of diesel engine
cylinder cover, vent-pipe bolts, front and rear frame bolts, rim bolts, transmission axle bolts and
connection bolts.
z Clean the raw and essential engine oil filter and fuel filter.
z Check the tension status of the belts of fan, electrical machine and air condition compressor.
z Check the capacity of the storage battery electrolyte and its reserves, and fasten the connect
poles.
z Check the oil level of the gearbox. Please refer to 3.6.3 Adding Oil to Gearbox in this
chapter.
z Check the seal of the hydraulic system and braking system.
z Check the connection and sensitivity of all control levers (or control handles).
z Check the temperature and the connections of the circuit system, the power supply of electrical
machine, gauge, light and lamps and turning signals.
z Open the air storage tank to drain water.
The following maintenance should be done after the run-in period of new machine:
z Clean the filter at the bottom of the gearbox and the oil filter cartridge of the torque converter.
z Clean the oil returning filter cartridge of the hydraulic oil tank.
z Change the engine oil. Please refer to 3.6.1 Fuel Supplying of Engine in this chapter.
3 OPERATION AND USE OF LOADER
3.1 Notices for Usage
z The diesel must be cleaned and deposited more than 72 hours before it is to be used. The
trademark should suit the rules.
z Transmission oil for the gearbox, torque converter, and the hydraulic oil for hydraulic system
must be clean.
z The loader must be maintained and lubricated periodically.
z Drive the loader until the brake pressure reaches 0.4MPa after the engine starts.
z Put some hot water or vapor in front of the engine for preheating it. Preheat the engine until
30~40℃ before starting if the environmental temperature is lower than -5 .℃
z There is no need to stop the machine or step on the brake pedal in changing the forward levers
during driving. When changing the speed from low to high, release the accelerator a little and
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