JLG E450A - Hydraulic Schematic (SN 0300233452 to Present, SN B300002533 to Present) - Sheet 4 of 7

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
3121714 5-155
A
B
C
D
E
F
G
H
12345
54321
46
SHT-1 MACHINES WITH-OUT JIB
SHT-2 MACHINES WITH JIB
SHT-3 MACHINES WITH JIB PLUS
SHT-4 COMPONENT LIST
LL
LU
11
T1
P
P
V
V
29
26
38
LR
MC
LOWER CYL
LOWER LIFT UP
LOWER LIFT DOWN
A
B
D
C
T2 T3
T4
P
P
V
V
30
28
27
PURGING AIR FROM CIR.
BLEEDER FITTING FOR
MID CYL
LOWER LIFT
ANNULUS 3.14
STROKE 22.842"
RATIO 1.5 : 1
V2
V1
1
2
T
P
JIB CYL
BORE 2.5" 4.908 SO IN.=
ROD 1.5" 1.77 SQ IN.
45
44
JIB VALVE
MAIN VALVE ASSY
LR
LC
T1
P
V
20
19
2
12
4
25
STEER CYL
BORE: 2" 3.14 SQ IN
ROD 1.25" 1.22 SQ IN
ANNULUS 1.92 SQ IN
T2
R
UPPER LIFT
E450A
UPPER
LIFT CYL
BORE:3" 7.065 SQ IN
ROD 1.5" 1.76 SQ IN
ANNULUS 5.305 SQ IN
E400A NARROW
UPPER
LIFT CYL
BORE:3" 7.065 SQ IN
ROD 1.75" 2.405 SQ IN
ANNULUS 4.660 SQ IN
50
SHEET 2
1001218114-A
MAE32040A
Figure 5-167. Hydraulic Schematic (SN 0300233452 to Present, SN B300002533 to Present) - Sheet 4 of 7