Zoomlion ZRT850, Руководство оператора

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Operator’s Manual for Rough Terrain Crane
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(2) Through the planetary gear reducer, the hydraulic motor causes the pinion gear to
turn. This causes the swing bearing outer ring to turn around its inner toothed ring
which sets on the chassis frame of the crane. This makes a superstructure with 360°
unlimited swing.
(3) Hydraulically controlled normally-closed brake, with a swing function that you can
control and a hydraulic swing lockout device.
(4) Swing speed: 0 – 2 r/min.
F. Superstructure
A high strength steel structure with integral mounting for two winches and counterweight
assembly & disassembly system
G. Hydraulic system
(1) Oil pump

The dual gear pumps supply oil for the below uses:

Boom Extend / Retract

Derrick

Hoist.

The dual gear pumps supply oil for the below uses:

Outriggers

Swing Mechanism

Steering System.

The gear pump supplies oil for the below uses:

Brake System

Optional equipment (such as air conditioner).
(2) Control valve
Two groups of duplex hydraulic, hydraulic, pilot-operated proportional valve, with
relief valve
(3) Hydraulic lines
Tubes and hoses make up the hydraulic lines. The hydraulic lines go through a
central rotating joint.
There is an air-cooled hydraulic cooler driven by an electric motor on the chassis.
There is a pressure tap in the hydraulic pipeline. And the system pressure can display
on the instrument console.
(4) Hydraulic oil tank
Capacity: 1000 L (264.2 gal.)
(5) Filter
The return line filters supply can give 10 micron filtration.
ZRT850 Rough Terrain Crane 9-13