Group 2 Main Control Valve - Hyundai HX145LCR Manual

GROUP 2 MAIN CONTROL VALVE

GROUP 2 MAIN CONTROL VALVE

1. STRUCTURE 1. STRUCTURE
MRV
Pu
A1 B1
P02
Pb21 Dr1
ORV
A2 B2
B2
ORV
Dr2
A2
B4
ORV ORV
A5 B5
A5 B5
P04
Rs
NRV2 NRV1
VIEW A
Dr0
TRAVEL LEFT
TRAVEL RIGHT
Pb1 Pc1
BOOM 1
Pb20 Pc2
ARM 2 BOOM 2 &
Pb3 Pc3
SWING PRIORITY
A
Pc42 Pb4
ARM REGENERATION
Pc40 ARM 1
& OPTION-A(BREAKER)
BUCKET
P04 Pc5
Pc6 OPTION-C
T1
P2
P3
P1
Dr4
Dr5
PO
C1 D1
SWING
C2 D2
P03
ORV ORV
V3
- C4 - D4
C4 D4
Dr3 Pc41
ORV ORV
OPTION-B C5 D5
- C5 - D5
P05
C6 D6
Pb5
Pn1 Pn2
Ai
STRAIGHT TRAVEL Pd0
TRAVEL LEFT
TRAVEL RIGHT
Pd1 Pa1
Patt
BOOM 1
SWING
Pd2 Pa20
BOOM 2 & ARM 2
Pd41
SWING PRIORITY
Pa21
ARM REGENERATION
ARM 1 Pa4
& OPTION-A(BREAKER)
Pd40
OPTION-B Pd5 Pa5 BUCKET
OPTION-C Pd6
145LCR2MC01
2-20
Mark Port name Port size
Rs Make up for swing motor UNF 1 3/16
Pa1 Travel left pilot port (BW)
Pb1 Travel left pilot port (FW)
Pc1 Travel right pilot port (FW)
Pd1 Travel right pilot port (BW)
Pa20 Boom up pilot port
Pa21 Boom up confluence pilot port
Pb20 Boom down pilot port
Pb21 Lock valve pilot port (boom)
Pc2 Swing pilot port (RH)
Pd2 Swing pilot port (LH)
Pb3 Arm in confluence pilot port
Pc3 Swing priority pilot port
Pa4 Option A pilot port (breaker)
Pb4 Arm in regeneration cut port
Pc40 Arm in pilot port
Pc41 Lock valve pilot port (arm)
Pc42 Arm in regen-cut signal selector port
Pd40 Arm out pilot port
Pd41 Arm out confluence pilot port
PF 1/4
Pa5 Bucket in pilot port
Pb5 Bucket out pilot port
Pc5 Option B pilot port
Pd5 Option B pilot port
Pc6 Option C pilot port (dozer blade down)
Pd6 Option C pilot port (dozer blade up)
P0 Pilot pressure port
Pu Main relief pressure up pilot port
Ai Auto idle signal port
Patt Auto idle signal-attachment
P02 Pilot signal port
P03 Boom priority pilot port
P04 Boom parallel orifice pilot port
P05 Breaker summation pilot port
Puo Pilot pressure port
Dr0 Drain port (travel straight)
Dr1 Drain port (boom holding valve)
Dr2 Drain port (boom 2 & swing priority)
Dr3 Drain port (arm holding valve)
Pn1 Negative control signal port (P1 port side)
Pn2 Negative control signal port (P2 port side) PF 3/8
P3 Quick clamp port
A1 Travel motor left side port (BW)
B1 Travel motor left side port (FW)
C1 Travel motor right side port (FW)
D1 Travel motor right side port (BW)
B2 Boom rod side port
C2 Swing motor port (RH)
D2 Swing motor port (LH)
B4 Option A port (breaker)
PF 3/4
A5 Bucket head side port
B5 Bucket rod side port
C5 Option B port
D5 Option B port
C6 Option C pilot port (dozer down port)
D6 Option C pilot port (dozer up port)
P1 Pump port (P1 side)
P2 Pump port (P2 side)
A2 Boom head side port
C4 Arm head side port PF 1
D4 Arm rod side port
Dr4 Drain port (swing logic valve)
PF 1/8
Dr5 Drain port (flow summation)
SAE3000, 1 1/2
T1 Return port
(M12×1.75)
Tightening torque
18 kgf·m (130 lbf·ft)
3.5~3.9 kgf·m
(25.3~28.2 lbf·ft)
7~8 kgf·m
(50.6~57.8 lbf·ft)
15~18 kgf·m
(109~130 lbf·ft)
20~25 kgf·m
(115~180 lbf·ft)
1.5~1.9 kgf·m
(10.8~13.7 lbf·ft)
8.5~11.5 kgf·m
(61.5~83.1 lbf·ft)