Sinoboom AB16EJ Plus - Function Valves

HYDRAULIC SYSTEM
AB16EJ Plus Maintenance Manual 59
© Mar. 2023
Table 7-1 (Continued)
3. Hydraulic tank 9. Emergency power unit 15. Two-section platform valve
4. Cycloid motor 10. Gear pump 16. Leveling counterbalance valve
5. Seven-section electric
proportional multi-way valve
11. Telescopic counterbalance valve
6. High-pressure filter 12. Luffing control valve
7.2 FUNCTION VALVES
Seven-section Electric Proportional Multi-way Valve Connection Installation
(PN.103011053048)
Fig 2 Seven-section electric proportional multi-way valve connection installation (PN.103011053048)
Table 7-2 Seven-section electric proportional multi-way valve connection installation (PN.103011053048)
No. Name Function
1 Oil inlet section
Limit the maximum pressure, release pressure for pump outlet
flow, release pressure for LS oil line
2
Articulated boom luffing
work section
Control articulated boom lifting/lowering
3
Main boom luffing work
section
Control the direction and speed of main boom lifting/lowering
4
Boom telescoping work
section
Control the direction and speed of boom extending/retracting
1
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