Zoomlion QY30V, Руководство пользователя

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Oil leakage Oil leakage
occurs in occurs in
steering gear
steering gear
Oil leakage occurs in connecting parts of oil Oil leakage occurs in connecting parts of oil pipe pipe
fitting. fitting.
Check the leaking Check the leaking
point.
point.
Oil Oil viscosity viscosity too too low. low. Use Use specified specified oil. oil.
Joint face of hydraulic elements loose. Joint face of hydraulic elements loose.
Check and Check and
tighten.
tighten.
Abnormal noise Abnormal noise Oil pipes in hydraulic pipe lines blocked. Oil pipes in hydraulic pipe lines blocked. Check oil line and Check oil line and
D i a g n o s t i c s D i a g n o s t i c s
Problem Causes Remedy Problem Causes Remedy
during steering during steering replace damaged replace damaged
one. one.
Displacement of oil pump is unstable. Displacement of oil pump is unstable.
Replace oil Replace oil
pump.
pump.
Oil Oil level level in in the the oil oil tank tank too too low. low. Fill Fill oil. oil.
Bubbles appears Bubbles appears
in hydraulic oil
in hydraulic oil
tank
tank
Pipes are not tightened and air enters in. Pipes are not tightened and air enters in.
Check pipes for Check pipes for
tightness.
tightness.
The vehicle does The vehicle does
not have firm
not have firm
control of the
control of the
ground when
ground when
driving at high
driving at high
speed
speed
Flow control valve blocked. Flow control valve blocked.
Clean flow control Clean flow control
valve.
valve.