Hyundai r35z-7 Workshop Manual page 109

1. SUCTION, DELIVERY AND RETURN CIRCUIT
TRAVEL MOTOR-RH
R/G
a1
P2(FW) P1(BW)
BOOM CYL
BUCKET CYL
Pa10
Pb8'
BUCKET
MAIN CONTROL VALVE
T2
Pb10
B/SWING
ACC
A1 A2 A2
LH RH
1 2
P
Pa2 Pb2
T
The pilot pump receive oil from the hydraulic tank. The discharged oil from the pilot pump flows to
the safety solenoid valve through the line filter. The oil is filtered by the line filter. The pilot relief valve
is provided in the pilot pump for limiting the pilot circuit pressure.
The oil filtered by line filter flows remote control valve, MCV and swing port through safety solenoid
valve.
The return oil flow into the hydraulic tank.
TRAVEL MOTOR-LH
R/H L/H
R/G
Ps Ps
a2
a2
T1 T2 T2 T1
P2(BW) P1(FW)
TURNING JOINT
Pa8
P1 P2
Pa7
Dr2
BOOM TRAVEL-RH TRAVEL-LH
Pb7 Dr1
Pb8
TRAVEL
DOZER
L/H R/H
DOWN UP
2
1 4 3 1 2
Pb6 Pb1 Pa1
Pa6 Pb7 Pa7
SWING
2WAY OPTION ARM
LH RH OUT IN
1 3 2 4
1 2
Pa3 Pb5
Pa4 Pb3
Pb4
Pa5
a1
DOZER CYL ARM CYL
Pa6 Pa5 Pa4
ARM PTO
Pb6 Pb5 Pb4
BUCKET BOOM
IN OUT UP DOWN
3 1 2 4
Pb10 Pa10 Pb8
Pa8
3-6
SWING MOTOR
DB PB
"R2"
"R1"
STOP VALVES
GA B(CCW) A(CW) GB
Mu
P3 Pa3 Pa2
Dr1
BOOM
SWING SWING
T1
Pb3 Pb2
BU Pp1
PILOT PUMP
MAIN PUMP
R1 A1 A2 A4
S1 S1
B/SWING CYL
Pa1
DOZER
Pb1
A3
LINE FILTER
R35Z73HC03