Sn B300001429 Through B300002532) - Sheet 6 Of 7 - JLG E450A Service And Maintenance Manual

5
MAIN VALVE ASSY
R
T2
X
UPPER LIFT
4
12
LOWER LIFT
11
19
2
T1
20
SHEET 3
5
Figure 5-162. Hydraulic Schematic (SN 0300208529 through 0300233451, SN B300001429 through B300002532) - Sheet 6 of 7
3121714
SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
4
44 3
P
4
T
1
44
2
JIB VALVE
LC
LR
LOWER LIFT DOWN
LL
LU
29
V
P
P
V
LOWER CYL
26
STEER CYL
BORE: 2" 3.14 SQ IN
ROD 1.25" 1.22 SQ IN
ANNULUS 1.92 SQ IN
4
3
49
45
E400A NARROW
UPPER
LIFT CYL
BORE:3" 7.065 SQ IN
ROD 1.75" 2.405 SQ IN
ANNULUS 4.660 SQ IN
E450A
UPPER
LIFT CYL
BORE:3" 7.065 SQ IN
ROD 1.5" 1.76 SQ IN
ANNULUS 5.305 SQ IN
P
V
25
30
MC
A
B
D
C
38
LR T1 T2 T3 T4
3
2 1
P1
47
P2
SIDE SWING
V1
46
V2
JIB CYLINDER
5 2792505
28
V
P
P
V
MID CYL
27
BLEEDER FITTING FOR
PURGING AIR FROM CIR.
SHT-1 MACHINES WITH-OUT JIB
SHT-2 MACHINES WITH JIB
SHT-3 MACHINES WITH JIB PLUS
SHT-4 COMPONENT LIST
1001179226-B
2 1
H
G
F
E
D
C
B
A
MAE31980B
5-149