LG936L Wheel Loader. Manual - part 23

Operation & Maintenance Manual──LG936L Wheel Loader 

 88

3.6.2 Adding Fuel to Fuel 

Tank 

Fuel Level Check 

z  Park the machine on level 

ground, and check the fuel level 

by dipstick on the outside of fuel 

tank.  

z  If the fuel level is under 0, 

please add fuel from inlet on the 

fuel tank. For fuel selection 

please refer to 

CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant

. 

3.6.3 Adding Oil to Gearbox 

 Oil Level Check

①

 

z  Park the machine on level ground and put the transmission 

lever in the neutral (“N”) position. Pull the parking brake 

switch, and wedge the front tire. 

z  Start engine and let the engine run in the idle status for 

minutes. Open the checking plug on the right of the gear box. 

If some oil flow out without pressure, the oil is of proper 

volume. If the oil level is lower than the plug, hydraulic 

transmission oil should be added. The choice of the 

hydraulic transmission oil can be found in 

CHAPTER IV 

2.2 Selection of Oil, Fuel and Coolant

. 

 New Oil Replac

②

ement 

z  Park the machine on level ground and put the transmission 

lever in the neutral  (“N”) position. Push the parking 

brake switch, and wedge the front tire. 

z 

Start engine and let the engine run in the idle status for 

minutes, then stop the engine. Loosen the oil drain plug 

on the bottom right of the gearbox to drain the oil, and 

contain it with container.

 

 

Operation & Maintenance Manual──LG936L Wheel Loader 

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△

!  

WARNING

 

If the temperature of the gearbox oil is relatively highs please wear 

protective clothes, and operate carefully to prevent injury. 

 
z  Drain all the oil out and clean the oil on the draining plug and the oil on shell of the gearbox. 

Wrap the plug with new ptfe tape and fit it well. 

z  Loosen the oil inlet cover on the right side of the gear box which is on the right joint. Inject the 

new hydraulic transmission oil.   

z  Start the engine and run in the idle status. Check the oil level again. 

 

△

!  

NOTICE

 

If the old oil is dirty, do not add new oil directly.   

z  Disassemble the raw oil filter which is in profile, and clean all the parts. 

If there are any metal powders or fragments please contact the 

maintenance man. 

z  Assemble the parts, and add a little new hydraulic transmission oil. Start 

engine and hold in the idle status for 3~5 minutes. Release the oil in the 

oil pan and add new oil. 

 

3.6.4 Adding Oil to Axle 

 Oil Level Check

①

 

z 

Park the machine on level ground and put the 

transmission lever in the neutral position. Pull 

the parking brake switch, and wedge the front tire. 

Loosen the oil inlet plug on the shells of the front 

and rear axles. It is proper if the oil level is at the 

bottom side of the oil inlet, otherwise please add 

axle oil. Please watch for 5 minutes after adding 

oil. If the oil level keeps stable, please assemble 

the plug. For selections of axle oil, please refer to 

CHAPTER IV 2.2

 

Selection of Oil, 

Fuel and Coolant.   

 

Operation & Maintenance Manual──LG936L Wheel Loader 

 90

 Oil Replac

②

ement 

z  Park the machine on level ground and run in idle status for about 10 minutes. Trample the 

accelerator gently to move the machine slowly to 

let the oil drain plug on the wheel side of the 

front axle go to the lowest position 

z  Shut engine. Push transmission lever in the 

neutral (“N”) position. Pull the parking brake 

lever, and wedge the front and rear wheels. 

z  Loosen the oil drain plugs on the two wheels on 

the end sides of the front axle and the oil drain 

plugs at the center bottom of the axle shell to 

drain oil to the container. 

 

△

!  

WARNING

 

The temperature of gear oil may be high, so wear protective 

clothes, and operate it carefully to prevent injury. 

z  Drain out all the old oil and screw tight the oil drain plugs at the center bottom of the axle shell.   

z  Start engine. Rotate the parking brake switch gently until it rebounds. Move the machine slowly 

with gentle acceleration to let the oil drain plug on the front axle move into the horizontal 

position, and then shut the engine. Put the transmission lever in the neutral position. Pull the 

parking brake lever. 

z  Add new gear oil from the oil drain port on the two wheels on the end sides of the front axle and 

the oil inlet port at the middle of the axle shell. And then check the oil level again. 

z  Tighten the oil drain plugs on the two wheels on the end sides of the front axle and the oil inlet 

plug at the middle of the axle shell. 

z  Replace the rear axle gear oil according to the procedures above.   

3.6.5 Adding Oil to Hydraulic Oil Box 

 Oil Level Check

①

 

z  Park the machine on level ground and lower the bucket to the ground. Check whether there is an 

angle between front and rear frame. 

z  Check the oil level indicator of the hydraulic oil box on the left side of the machine. The oil level 

is normal if the level indicator scale is at a range of ±2 from the middle level. If the oil level 

indicator is lower than scale -2 of the middle scale, please add hydraulic oil. Refer to 

Operation & Maintenance Manual──LG936L Wheel Loader 

 91

CHAPTER IV 2.2

 

Selection of Oil, Fuel and Coolant 

for selection of oil.. 

 Oil Replac

②

ement 

 

△

!  

WARNING

 

While replacing oil if other maintenance needs to be done do 

so following the relevant rules, and pay attention to safety. 

 

△

!  

NOTICE

 

Pay attention to the clarity of the oil while replacing it; never 

let other materials enter the hydraulic system directly. 

 

z  Clean out the in bucket. Park the machine on level ground and put the transmission lever in the 

neutral position. Pull the braking control lever. Start the engine and keep in the idle status for 10 

minutes. Raise and lower the lift arm several times, and tilt the bucket forward and backward 

several times. 

z  Raise the lift arm to the highest position; tilt the bucket backwards to the extreme position and 

shut the engine. 

z  Push the bucket control lever forward to let the bucket tilt forward freely by its weight. Drain out 

the oil in the bucket cylinder. After the bucket has tilted to the desired position, push the lift arm 

control lever forward to let the lift arm fall down by its weight freely. Drain out the oil in the lift 

arm cylinder. 

z  Loosen the oil releasing spherical valve on the oil tank bottom to drain the oil to the container. 

Open the oil inlet cover at the same time to hasten the draining process.