Hyundai HL955 Manual page 486

6. MAIN CONTROL VALVE
STRUCTURE (1/3)
1)
·Type : Closed center, Load pressure - Independent - Flow - Distribution
LS
a3
A3 B3
a2
A2
a1
A1
A
LS
Pst
T
Port
P From main pump
T To hydraulic tank
A1, B1 To bucket cylinder port
A2, B2 To boom cylinder port
a1, b1 Bucket pilot port
a2, b2 Boom pilot port
a3, b3 Auxiliary pilot port
LS Load sensing port
Pst To RCV P port
B
b3
B2
b1
B1
T
a1
B1
P A1
Bucket
b1
Hydraulic circuit
Port name
b2
Pst
VIEW A
a2 a3
B2
A2
Boom
b2
1 5/16-12UN
1 5/16-12UN
1 5/16-12UN
1 5/16-12UN
11/16-16UN
11/16-16UN
11/16-16UN
9/16-18UNF
9/16-18UNF
6-22
P
VIEW B
A3 B3
Aux
b3
75796WE10
Port size