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2.2 Hydraulic unit
The truck adopts combined hydraulic unit, and is composed of DC motor, relay, coupling, valve
seat and valves (solenoid directional valve, safety valve, one-way valve, governor valve and oil
blockage), gear pump, pipeline, oil filter and fuel tank etc.
Data
Motor
Rated power 2.2 kW /3.0 kW
Rated voltage 24 VDC
Rated current 180 A
Rated speed 3500 r/min
Working system S2=3.5min
Working system S3=15%ED
Rotation direction Rotate in counterclockwise
Relay
Rated voltage 24 VDC
Rated current 150 A
Gear pump Certified capacity 2.6 ml/r / 3.15 ml/r
Solenoid valve
24V DC normally-closed valve element with
mergency unloading
Drop throttle valve 15 L/min
Thread G1/4
Safety valve(overflow valve) Set pressure 16.3MPa /18.5MPa /16.5MPa /20MPa
Hydraulic oil
Type L-HM32 or L-HV32
Oil temperature
-10℃～+70℃
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