JLG 534D-10 - Manual (Page 135)

8.11 534D-9, 534D-10 & 544D
Hydraulic System
8.4.4 Hydraulic Schematic-544D
MX0710
3500 PSI
COMPENSA
TING
CYLINDER
PARK BRAKE
SWITCH
STEER
CYLINDERS
LP
FIL
TER
B =75 8
8
OUTRIGGER
VA
LV
E
PRIORITY
FLOW DIVIDER
.071" DIA
STEERING ORBITROL
SW
AY
SW
AY
CYLINDER
TIL
T CYLINDER
CROWD
CROWD CYLINDER
LIFT TIL
T
.062
.062
2
1 3
PARK BRAKE SOLENOID V
AL
VE
BP P
I
PRIORITY
FLOW DIVIDER
NEUTRAL
REVERSE
FOR
W ARD
12 VOL
T
BA
TTER
Y
2/4 WHEEL DRIVE SWITCH
2/4 WHEEL DRIVE V
AL
VE
INCHING VA
LV
E
FOR
W
ARD REVERSE
SELECT
OR SWITCH
FRONT
DRIVE MOT
OR (DA
CONTROL) FLUSHING
VA
LVE SECTION
DRIVE PUMP
(DA
CONTROL)
2
3 1
300
A B
G
T
X3
X1
X2
TRACTION
LOCK
SWITCH
T P
12 VOL
T
BA
TTER
Y
LS
PP
3000 PSI
3000 PSI
AUXILIAR
Y
HYDRAULICS (OPTION)
3800 PSI
4600 PSI
LIFT
CYLINDERS
4600 PSI
EF CF
IMPLEMENT
PUMP
4.04 CU.IN./REV
.
MIN.
MAX.
F/R
SECTION
AUX. MAIN CONTROL
V
AL
VE
P
T
T LS
R L
REAR DRIVE MOT
OR
REAR DRIVE MOT
OR
B A
C
B A
C
A
B
L
P
.039
TRACTION LOCK VA
LV
E
RETURN
SUCTION FIL
TER
B =75
RESER
VOIR
(NON-PRESSURIZED)
100 MESH
FILLER/ BREA
THER
25 PSI
ST
ABILIZER SWITCH
12 VOL
T
BA
TTER
Y
ST
ABILIZER CYLINDER
2000 PSI
2000 PSI
220 PSI
M
JOY
STICK
PB
M1
M2
PST1
BP
PST2
50
50
FA
REV FWD
P RP
BRAKE VA
LV
E
6800 PSI 6800 PSI
PA
R K
BRAKE SER
VICE
BRAKE
REAR
AXLE ST
ABILIZER V
AL
VE
OUTRIGGER CYLINDERS
4600 PSI
MB MA
T
1000 .03 .03
3000 PSI
3000 PSI
b
a
R
T1
T2
X2
G
S
PS
B A
380-480 PSI
6800 PSI
C1 C2
V1 V2
6800 PSI
6300 PSI
C1 C2
V1 V2
S
120° 70 PSID
THERMAL
BYP
ASS
VA
LV
E
X1
ENGINE OIL PRESSURE SWITCH
(3.2 GPM)
C1 C2
3000
4000 PSI 4000 PSI