Lull 1044C-54 Series II Service Manual - Manual (Page 68)

Reference Diagrams
4-2 31200079
Diagram 4-1 — Mid-Inlet Hydraulic Schematic (cont’d)
(OPTION)
MV0420
3150
PSI
L.H.
OUTRIGGER
R.H.
OUTRIGGER
FRAME
TILT TRANSFER
CARRIAGE
TILT AUX. 1
A A A A A A
B B B
B B B
2800
PSI
A3 A4
B4 B3
BOOM HOIST TELESCOPE
TILT CYLINDER
A A
B
REAR CARR.
BOOM
A2
SELECTOR
MODE
STEER
TRANSFER CYLINDER
REAR BRAKES
REAR STEER CYL
FRAME TILT
B5
A5
P
T
A1
B1
A6
B6
A6
B6
BOOM HOIST CYLINDER C.B.
VALVE
TILT CYLINDER
REAR CARR.
BOOM HOIST CYLINDER
C.B.
VALVE
2800
PSI
P
B2
B
A
AUX. 2
(OPTION)
3000
PSI
B
NOTE: HUSCO VALVE ASSEMBLY IS ORIENTATED
SO THAT THE "A" PORTS ARE FRONT
FORWARD OF THE "B" PORTS.
S4
B
STABILIZER CONTROL VALVE
A8
B8
A7
B7
REAR AXLE STABILIZER VALVE
OR3
.040
OR4
.040
SV3
CV1
OR2
.08
100 PSI
CV2
RCB
RCR
V
PC1 V
PC2
CBP
CB
OR1
.03
.040
CV3 CV4
60 PSI
SYS
T
PR
3500
PSI
150
PSI
PIL
OR5
PIL
.040
OR3
G1
PC3 (270 PSI)
T
RCB
RCR
PB
CBP
PD1
SV1
PD2
.043
230
PSI
FCB
PS2
SV2
60
PD4
PSI
OR4
OR5 (.043)
FTB
230
PSI
PD3
PSI
PS1 250
ACC FB
.043
OR1 BR
.043
SW
PSI
60
RB
OR2
PORT
B
A
S1
GAGE
G2
G3
X
X (B2)
(B1)
BOOM EXTEND/TRANSFER
LOCK-OUT VALVE
.130
225 PSI
GAGE PORT
.18 DIA.