JLG 1850SJ Service And Maintenance Manual page 426

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
8
SWIVEL
PORT#2
P
D
C
B
AXLE EXTENSION
CYLINDERS
BORE: 5 IN 19.63 SQ.IN
ROD:2 IN 3.14 SQ.IN
A
ANNULAR: 16.49 SQ.IN
STROKE: 14.24 IN
8
5-174
7
SWIVEL
PORT# 1
T
2 5 0 0 p s i
( 1 7 2 .4 b a r )
p a
t
b
2 5 0 0 p s i
( 1 7 2 .4 b a r )
2 6 0 0 p s i
( 1 7 9 .3 b a r )
p a
t b
2 0 0 0 p s i
( 1 3 8 b a r )
2 6 0 0 p s i
( 1 7 9 .3 b a r )
p a
t
b
2 0 0 0 p s i
( 1 3 8 b a r )
LEFT VALVE
STEERING CYLINDERS
BORE: 4.75 IN 17.72 SQ.IN
ROD: 1.75 IN 2.4 SQ.IN
ANNULAR: 15.32 SQ.IN
STROKE: 9.8 IN
7
Figure 5-144. Hydraulic Schematic - Sheet 3 of 8
FRONT DEPLOY CYLS
MA1
A 3
A 1
V 2
V 1
MA2
S 1
MS1
LEFT
FRONT
MS2
STEER
S 2 A 7
S 3
MS3
LEFT
REAR
STEER
MS4
S 4 A 8
6
V 2
V 1
6
5
5
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