June 2011
Section 6 • Schematics
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Part No. 139378
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
6 - 57
REV B
Hydraulic Schematic
L2
(Z30N, Z30NRJ) 2800 psi / 193 bar
(Z34N, Z34DC) 3200 psi / 221 bar
AUXILIARY
PUMP
0.5 gpm
1.89 L/min
100 MESH
10 MICRON
HYDRAULIC RESERVOIR
M
PRIMARY
PUMP
2.1 gpm
7.95 L/min
T1
M
COM
0.045 inch
1.14 mm
0.090 inch /
2.29 mm
0.045 inch
1.14 mm
P1
G1
BRAKE
BRAKES
M
M
S2
0.8 gpm
3 L/min
3000 psi
207 bar
3:1
3200 psi
221 bar
3:1
3000 psi
207 bar
1.5:1
N.O.
N.C.
PS
S1
STEER
CYLINDER
MASTER
CYLINDER
L1
P2
3000 psi
207 bar
4.5:1
PLATFORM LEVELING
SLAVE CYLINDER
1600 psi
110 bar
1600 psi
110 bar
1100 psi
75.8 bar
TURNTABLE ROTATE
MOTOR
TR1
TR2
SC1
SC2
PC1
PC2
0.035 inch
0.89 mm
T2
JIB BOOM
SECONDARY BOOM
CYLINDER
3000 psi
207 bar
1.5:1
P
0.025 inch
0.635 mm
JR1
JR2
J1
3300 psi
227.5 bar
3:1
3300 psi
227.5 bar
3:1
JIB BOOM ROTATE
(Z30NRJ)
PRIMARY BOOM
CYLINDER
J2
0.3 gpm
1.14 L/min
PR1
T
PR2
PLATFORM ROTATE
JIB BOOM MANIFOLD
ROTATE MANIFOLD
(PLATFORM)
ROTATE MANIFOLD
(JIB BOOM)
1800 psi
124 bar
2500 psi
172 bar
3:1
2500 psi
172 bar
3:1
EXT
RET
EXTENSION CYLINDER
(Z30N, Z34N, Z34DC)
EXTENSION CYLINDER
(Z30NRJ)
0.032 inch
0.81 mm
FUNCTION MANIFOLD
AB
BJ
AD
AE
AC
A
X
W
Y
B
D
E
U
V
F
G
K
S
C
H
O
Q
R
P
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J
L
M
N
T
7.6 cu in/rev
124.5 cc/rev
1.8
6.8
gpm
L/min
1
1
HS0079C
RATIO
PRESSURE
2500 PSI
3000 PSI
3200 PSI
3:1
3300 PSI
3:1
3:1
3:1
4.5:1
3000 PSI
1.5:1
3000 PSI
COUNTERBALANCE VALVES
BF
BD
BE
BC
BA
BB
BK
BL
BI
BJ
B
C
SCHEMATIC ITEM
BA
BB
BC
BD
BE
BG
BH
BI
BK
BL
BM
BN
AA
BF
BG
BH
BM
BN
CA
CB
CHECK VALVES
DESCRIPTION
CA
SCHEMATIC ITEM
CB
PILOT CHECK VALVE
CHECK VALVE
K
Summary of Contents for Z-30/20N
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Page 160: ...6 58 June2011 Section 6 Schematics Hydraulic Schematic 6 57...