JLG E450A, Service And Maintenance Manual

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SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
3121714 5-153
A
B
C
D
E
F
G
H
1 2 3 4 5
5 4 3 2 1
LR
LC
T1
X X
P
V
20
19
2
11
3
12
4
3
25
STEER CYL
BORE: 2" 3.14 SQ IN
ROD 1.25" 1.22 SQ IN
ANNULUS 1.92 SQ IN
T2
R
LOWER LIFT
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
A
B
D
C
T1
T2 T3 T4
P
P
V
V
P
P
V
V
29
26
30
38
28
27
PURGING AIR FROM CIR.
BLEEDER FITTING FOR
LR
MC
MID CYL
LOWER CYL
LOWER LIFT UP
LOWER LIFT DOWN
LU
LL
SHT-1 MACHINES WITH-OUT JIB
SHT-2 MACHINES WITH JIB
SHT-3 MACHINES WITH JIB PLUS
SHT-4 COMPONENT LIST
MAE32030A
SHEET 1
1001218114-A
Figure 5-165. Hydraulic Schematic (SN 0300233452 to Present, SN B300002533 to Present) - Sheet 2 of 7