Hydraulic Schematic (Sn 0300233452 To Present, Sn B300002533 To Present) - Sheet 1 Of 7 - JLG E450A Service And Maintenance Manual

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
8
E450A, E400A NARROW
PLATFORM
SLAVE CYL
H
BORE: 2" 3.14 SQ IN
ROD 1" .785 SQ IN
ANNULUS 2.35 SQ IN
39
V
P
G P
V
33
F
E450A, E400A NARROW
MASTER CYLINDER
BORE: 2" 3.14 SQ IN
ROD 1" .785 SQ IN
ANNULUS 2.35 SQ IN
R
32
E
E450A, E400A NARROW
TELSCOPE CYL TELESCOPE CIR. IS A REGENERATIVE
BORE: 2" 3.14 SQ IN
ROD 1.25" 1.22 SQ IN
ANNULUS 1.92 SQ IN
24
D
SWING MOTOR
C
23
B
ELECTRIC
MOTOR
34
A
8
Figure 5-164. Hydraulic Schematic (SN 0300233452 to Present, SN B300002533 to Present) - Sheet 1 of 7
5-152
7
ROTATOR
49
E
31
NOTE:
CIR. IN EXTEND ONLY
G
22
P
STEER VALVE
T1
7
6
MAIN VALVE ASSY
T2
L R
X X X
ROTATOR
10
R1
.015
R2
.015
48
15
14
17
B1
B2
18
9
43
PLAT LEVEL
TELE IN
TR
13
8
LOWER LIFT
16
TC
7
TELE OUT
41
6
S1
S2
SWING
5
.031"
21
1
G
P
T1
42
PB
35
36
S1
40
S2
37
6
5 4
UPPER LIFT
4
LC
LR
12
3
LL
LU
11
V
19
P
2
P
V
20
26
5 4
29
LOWER CYL
SHEET 1
3121714