Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
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! WARNING
The temperature of gear oil may be high. Be careful of the hot oil
splashing when twisting off the screw-cork to add or dump the oil.
Use protection tools and operate it carefully to prevent injury.
② Oil level type
z Wheel-side oil level. Rotate the hub until the word “0lstand”on level position. Oil level is with
the oil overflowing the oil plug hole.
z Axle oil. Oil level is with the oil overflowing the oil plug hole or oil adding hole.
③ Check
z Adding oil if the oil level go down after several minutes until the oil level keeps stable.
Notice:
Check the oil level every month especially after new driving axle installed or before the maintained
axle to work.
④ Oil Replacement
z Replace oil after the first 500 hours, and then do it every 1000 hours. The oil should be replaced
at least one time a year.
⑤ Brake oil
z Refer to CHAPTER IV 2.2 Selection of Oil, Fuel and Coolant, for selection of brake
oil.
Notice:
Other brake fluids without ZF permission are not allowed. Deflate the axle brake after replaced or
maintained.
⑥ Working temperature
z The continuous operation temperature should be not over 90℃. If over 130℃, stop and check the
brake system and axle.
⑦ Lubricant grease
z Use multi-role lubricant grease with the follow characteristics.
Lithium based lubricant grease dropping point is 170℃, NLGI2. It must be anti-corrosion,
water-resistance and extrusion stability. Inject grease from
grease fitting once a week.
Check the tightening torque of connecting bolts of the frame,
shaft and rim regularly (do the first check after 50 hours ).
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