© Mar. 2023
60 AB16EJ Plus Maintenance Manual
HYDRAULIC SYSTEM
Table 7-2 Seven-section electric proportional multi-way valve connection installation (PN.103011053048)
(Continued)
No. Name Function
5
Common proportion
section
Provide oil sources for platform movement and control the
speed of platform movement
6
Platform leveling work
section
Control platform leveling upwards/downwards
7
Turntable rotation work
section
Control the direction and speed of turntable rotation
8 Steer work section
Control the wheel steering to left/right
9 End section /
10
Steer secondary overflow
valve
Limit the maximum working pressure of steering action
11
Unloading relief valve Limit the maximum working pressure of rotation action
12
Bidirectional
counterbalance valve
Keep the load balanced
13
Unloading valve
If the main spool of the boom telescoping work section is
stuck, the pressure of the oil port can be released to prevent
the spool from being stuck and causing malfunction
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