Sn B300001429 Through B300002532) - Sheet 3 Of 7 - JLG E450A Service And Maintenance Manual

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
8
E450A, E400A NARROW
PLATFORM
SLAVE CYL
BORE: 2" 3.14 SQ IN
ROD 1" .785 SQ IN
ANNULUS 2.35 SQ IN
H
39
V
P
P
G
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
SWING MOTOR
D
C
23
ELECTRIC
B
MOTOR
34
A
8
Figure 5-159. Hydraulic Schematic (SN 0300208529 through 0300233451, SN B300001429 through B300002532) - Sheet 3 of 7
5-146
7
ROTATOR
49
E
31
NOTE:
CIR. IN EXTEND ONLY
G
22
P
STEER VALVE
T1
7
6
L T2 R
ROTATOR
10
R1
.015
R2
.015
48
15
14
17
B1
B2
18
9
43
PLAT LEVEL
TELE IN
TR
13
8
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
44
P
T
MAIN VALVE ASSY
JIB VALVE
UPPER LIFT
4
LC
LR
12
LOWER LIFT
LL
LU
11
V
19
P
2
P
V
20
26
5 4
45
29
SHEET 2
3121714