Operation & Maintenance Manual
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LG946L Wheel Loader
66
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 operate the Gear Control Lever at the same time, and step on the
accelerator; when changing the speed from high to low; release the accelerator first and
then change the transmission slowly.
z
After the lift-arm and bucket are moving to the required position, release the control
valve lever to the middle position.
z
Change the forward or backward driving direction after stopping the loader.
z
Full load work is allowed until the water temperature of the engine is above 60 and
℃
the mobile temperature of the engine is above 50 . But the water temperature of
℃
the
engine should not be over 95 and the mobile temperature of
℃
the engine should not be
over 120 , otherwise stop the loader to cool it.
℃
z
Never
lift the bucket to the highest position to transport material. The lower hinge of the
lift arm should be 400
～
500mm above the ground to ensure stable driving during the
transporting process.
z
A diesel engine is used in the machine. The power of the diesel engine will go down as
the altitude, environmental temperature and relative temperature goes up. So please pay
attention to the environmental conditions and calculate the real power under the current
environmental condition according to the power correcting table in Diesel Engine Usage
and Maintenance User Manual.
z
Engine is shut up when the machine is working:Pull the operation handle to neutral
positio,turn the starting switch to ON to restart the engine.If the engine is normal ,it is
allowed to continue to work;If the engine fails,push the operation handle to floating
position to lower the working devices on the ground slowly.For the residual pressure in
the system,pull the boom and bucket handles back and forth 10 times,until the pressure
remained in the system is released radically, then repair the machine.
3.2 Starting
3.2.1 Check before Starting
z
Check the bottom and surrounding of the machine to see whether there are lost of bolts, dirt,
oil, coolant leak, or broken parts. Check the status of accessories and hydraulic parts.
z
Check before Starting:
1)
Check the fuel in the fuel tank. Refer to 3.6.2 Adding Fuel to Fuel Tank, in this chapter.
2)
Check the hydraulic oil in hydraulic oil tank. Refer to 3.6.5 Adding Oil to Hydraulic Oil
