Group 2 Main Control Valve - Hyundai HX140L Manual

GROUP 2 MAIN CONTROL VALVE

1. STRUCTURE (TYPE 1)
MRV
Pu
A1 B1
P02
Pb21 Dr1
ORV
A2 B2
B2
ORV
Dr2
A2
B4
ORV ORV
A5
B5
A5 B5
P04
NRV2 Rs NRV1
VIEW A
Dr0
TRAVEL LEFT
TRAVEL RIGHT
Pb1 Pc1
BOOM 1
Pb20 Pc2
ARM 2 BOOM 2 &
Pb3 Pc3
A SWING PRIORITY
Pc42 Pb4
ARM REGENERATION
Pc40 ARM 1
& OPTION-A(BREAKER)
BUCKET P04 Pc5
Pc6 DOZER DOWN
T1
P2
P3
P1
Dr4
Dr5
PO
C1 D1
SWING C2 D2
P03
ORV ORV
V3
- D4
- C4
C4 D4
Dr3
Pc41
ORV ORV
OPTION-B C5 D5
- C5 - D5
P05
C6 D6
Pb5
Pn1 Pn2
Ai
STRAIGHT TRAVEL
TRAVEL LEFT
TRAVEL RIGHT
Pd1 Pa1
Patt
Pa20
BOOM 1
SWING
Pd2
BOOM 2 & ARM 2
Pa21 Pd41
SWING PRIORITY
ARM REGENERATION
ARM 1
Pa4
& OPTION-A(BREAKER)
Pd40
Puo OPTION-B Pa5 BUCKET
Pd5
DOZER UP Pd6
2-19
Mark Port name
Rs Make up for swing motor
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
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
P3 Quick clamp 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)
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)
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
D4 Arm rod side port
Dr4 Drain port (swing logic valve)
Dr5 Drain port (flow summation)
T1 Return port
140L2MC01
Port size Tightening torque
UNF 1 3/16 18 kgf m (130 lbf ft)
3.5~3.9 kgf m
PF 1/4
(25.3~28.2 lbf ft)
7~8 kgf m
PF 3/8
(50.6~57.8 lbf ft)
15~18 kgf m
PF 3/4 (109~130 lbf ft)
20~25 kgf m
PF 1
(115~180 lbf ft)
1.5~1.9 kgf m
PF 1/8
(10.8~13.7 lbf ft)
SAE3000, 1 1/2 8.5~11.5 kgf m
(M12 1.75) (61.5~83.1 lbf ft)