JLG E450A, Service And Maintenance Manual, Page: 315 / 480

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
3121714 5-157
1001218114-A
A
B
C
D
E
F
G
H
1 2 3 4 5
5 4 3 2 1
SHT-1 MACHINES WITH-OUT JIB
SHT-2 MACHINES WITH JIB
SHT-3 MACHINES WITH JIB PLUS
SHT-4 COMPONENT LIST
R
X
47
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.
MID CYL
LOWER LIFT
SIDE SWING
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
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
46
V2
V1
1
2
45
JIB VALVE
3
4
49
P1
P2
JIB CYLINDER
T
P
44
44
50
MAE32050A
SHEET 3
PURGING AIR FROM CIR.
BLEEDER FITTING FOR.
Figure 5-169. Hydraulic Schematic (SN 0300233452 to Present, SN B300002533 to Present) - Sheet 6 of 7