Operation Manual
48
failure
Oil leakage
1. Oil seal aged or worn
2. Sealant failure
3. Looseness of fasteners
Replace oil seal
Remove old sealant and reapply
new one
Tighten fasteners
Wheel-side
reducer
No rotation at
wheel side
1. Broken axle shaft
2. Failure of differential system
Replace axle shaft
Adjust and replace differential
system
Abnormal noise
1. Teeth collision on gear
2. Foreign matters
Replace gear
Drain oil for inspection
Early heating of
housing
Poor lubrication, no or excessive
lubricating oil
Fill oil to specified level
V. Hydraulic steering system
The single pump split-flow structures are adopted for the CDM816D hydraulic steering system and
working device hydraulic system. The hydraulic steering system is mainly composed of full hydraulic
steering gear, pilot valve, steering cylinder, gear pump, oil pipe and oil tank. See Fig. 3-5 Schematic
Diagram of Hydraulic Steering System.
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