Hyundai HX130LCR Manual page 145

8. SWING PRIORITY SYSTEM
(2)
Pb1
SWING ARM BUCKET
P T
(1) (3) (2) (4)
SH
A c B e1 D E PS
Pc3 d1
a d
PS b
e e2
PS
Pd2 Pc2
Pd40 Pd41
Pb3 Pc40 Pc41 Pc42
When carrying out the combined operation of swing and arm of the left control valve, the swing
speed can be lowered than operating speed of arm.
Pc3 pressure from the swing shuttle block change the swing priority spool and decreases the oil flow
rate to the next section to make the swing operation most preferential.
This is called the swing priority system. For details, refer to page 2-39.
C6
D6
Pc6
TURNING
JOINT
Pd6
Puo
C5
D5
Pc5
Pd5
DR5
Po5
C4
D4
DR3
Pc41
Pc40
Pd40
V3
Pc3
DR2
Pa21
C2
D2
Pc2
Pd2
DR4
P03
C1
D1
Pc1
Pd1
P T TRAVEL
DR0
P0
PS
(1) (4) (3)
Pc1
Pa1 Pd1
BOOM
P T
P1
Dr4
T1
(3) (1) (2)
(4)
Po5
F G H PS J
P03
h1 h2
(MCV)
g
h j
f
Pa5 Pb5
Pb20 Pb21
T
P04 Pa20 Pa21
OPTION C
(DOZER)
OPTION B
ARM 1
BOOM 2
SWING
TRAVEL
RIGHT
TRAVEL
STRAIGHT
Ai
Pd0 P3 P2 P1
PG(S/Motor)
P0(MCV)
P2 P3 P4
P02(MCV)
P5
T5
T2 T3 T4
Pa4
Dr3
Dr5
Pb4 P Pu
(MCV) (T/Joint) (MCV)
A2 A1 A1
A4 A3
P3
P2
P1
3-13
Pi1(Pump)
Rs
Pn2
BUCKET
ARM
REGEN
ARM 2
BOOM 1
Dr#, dr#
P(F/CNTL
EPPR)
Pi2(Pump)
Pn1
B5
A5
Pb5
Pa5
P04
B4
Pb4
Pa4
Pc42
Pb3
Pd41
B2
A2
Pb21
DR1
Pb20
Pa20
P02
PS
Patt
B1
A1
Pb1
Pa1
TRAVEL
LEFT
T1
130ZF3HC09