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3.4 Maintenance and Trouble-shooting
(1) Check the oil level of main drive, hub reduction gear and brake oil tank of drive
axle for every 100 hours and fill the gear oil of the same type if necessary. Check the
working state of ventilation cock and clean it if necessary.
(2) Check the tightening state of connecting bolt of drive axle every 400 hours and
tighten the bolt based on the tightening torque of 2000Nm.
(3) Replace the oil of drive gear, hub reduction gear and brake oil tank every 1000
hours with the oil of same type and specification and check if there is any impurities
such as metal in these two parts.
(4) Trouble shooting
Trouble Cause for trouble Remedy
The connecting bolt of main
reduction gearbox is loose or the
gasket damaged.
Tighten or replace
Obstruction of ventilation hole Clean or replace
Oil leakage from the main
reduction gearbox
Oil seal worn or damaged Replace
Gear worn, damaged or broken Replace
Bearing worn, damaged or broken Replace
Improper gear backlash Adjust
The spline fit connecting half axle
gear is loose.
Replace the parts
Noise of differential is too
big.
Insufficient gear oil Fill in oil according to the
need.
4. Steering System
4.1 General Description
The steering system principally consists of a powered steering unit and a steering
cylinder. The handwheel can be tilted properly forward or backward to meet driver’s
demand.
The powered steering unit has a favourable capacity which can compensate
pressure variety for the variety of the steering load. It is fairly no infection between
the working circuit of steering system and the others. The main flow preferential
provide to the working circuit of steering system. So steering reliably and system
economically.
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