BZZ Orbitrol Steering Unit BZZ2 E Hydraulic Steering Control Valve
Brand Name:Elephant Fluid Power
Model Number:BZZ2-E-125-B-C
Minimum Order Quantity:1
Delivery Time:5-15 days
Payment Terms:T/T, Western Union, L/C,Paypal
Certifiion:ISO9001,CE,SGS
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Location:
Shijiazhuang China
Address:
No.398 Youyi Street,Shijiazhuang. Heibei,China
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Product Details
BZZ Series Orbitrol Steering Unit BZZ2-E-125-B-C Steering Unit For Wheel Loader
Product details:
BZZ series hydraulic steering unit is consisted of one pair of rotary valve and one pair of
gerotor. Via the steering column, the steering unit links the
steering wheel, when the steering
wheel rotates, the oil flows out of the supply pump of the steering
system , through the rotary
valve and the gerotor , to the cylinder’s port left or right (
depend upon the rotation direction).
The gerotor supplies the oil to the steering cylinder in proportion
to the angular rotation of the
steering wheel. If the oil flow out of the supply pump of the steering system is too small, the
steering unit can work as the manual pump
Specifiion:
| Wheel Loader Hydraulic Steering Units |
| BZZ1 Series |
| BZZ2 Series |
| BZZ3 Series |
| BZZ5 Series |
Appliion:
Hydraulic steering control unit(SCU) is widely used both in the steering system of vehicles and the marine rudder. The operator
can obtain bigger steering control force with less steering force, and its function is more safety and reliable, its operation is more
smooth and flexible.
Advantages:
1.Low cost, reliable.
2.No load reaction on the steering wheel comfortable.
3.Manual operation available when the pump doesnt work.
4.Low control torque, continuous operation.
5.According to the system, different function and pressure level
valves available.
Installation precautions:
(1) When installation steering gear must ensure coaxiality with
column, must have a gap of 1 mm in the axial direction.
(2) The depth of screw connection to the steering column tightening
steering column is ≤15mm.
(3) After steering gear installed, must check steering wheel turns
to ensure the flexibility of the return position.
(4) Connection pipeline: P oil port connects to the oil supply
pump, T oil port connects to the oil tank, and A and B oil ports
respectively connect the left and right oil chambers of the
steering gear.
Oil flow rate considerations:
(1) The oil supply circuit connected to the P oil port, the oil
flow rate in the pipe is recommended to be ≤1.5m/s.
(2) The pressure circuit of the oil cylinder connected to the A and
B ports is recommended. The oil flow rate in the pipe is
recommended to be ≤4~5m/s.
Other matters needing attention:
(1) The diameter of the steering wheel must not exceed 500mm.
(2) A return filter with a filter accuracy of 30 μm should be
installed in the return line of the steering gear. The position of
tank is
generally higher than installation position of steering gear, and
return pipe is inserted below oil level, so oil can be filled only
when
the manpower is turned, and air can be prevented from entering the
oil line.
(3) The oil viscosity of steering gear is 17cst~33cst. It is
recommended to use low-condensation hydraulic oil. Steering gear
allows normal working oil temperature 20°C to 80°C, and the limit
working oil temperature range is -30°C to 100°C. Reminder: In
of abnormal oil temperature, steering performance will decrease.
(4) After steering system assembled, it shall be tested: clean oil
tank before operation, inject hydraulic oil to the max oil
level.Loosen
cylinder nipple and allow pump to run at low speed until it is out
of oil. Remove link,turn the steering wheel so that the piston
reaches left or right position, and then fill the tank to specified
level. Tighten all thread connections, connect the piston rod, and
check if the steering system is working properly.
(5) It must be ensured that the oil is clean to prevent the dirt to
cause steering failure. Always check the condition of the filter
element and the oil. If necessary, give a replacement.
(6) If steering failure, must be carefully check the reason first.
The steering wheel must not be pulled hard, and the steering gear
should not be disassembled to avoid damage to parts. It is
forbidden for two people to turn the steering wheel at the same
time.
BZZ Orbitrol Steering Unit BZZ2 E Hydraulic Steering Control Valve
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