JLG 40H Parts Manual User Manual
Page 382
6-2
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SECTION 6 HYDRAULICS
S
E
C
T
I
O
N
6
H
Y
D
R
A
U
L
I
C
S
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
HYDRAULIC DIAGRAM LIST
Ref.
Note: Diagrams with asterisk (*) are shown in the
following pages. Diagrams not shown is available
from the JLG Service/Parts Department.
Ref.
AXLE LOCKOUT HYDRAULIC DIAGRAMS:
Ref.
2790901
Prior to October 1992
Ref.
G
2791940*
October 1992 to Present
Ref.
B
DRIVE HYDRAULIC DIAGRAMS:
Ref.
RACINE VALVE MACHINES
Ref.
2790898
2WD (Prior to March 1986)
Ref.
G
2791118
2WD (March 1986 to July 1986)
Ref.
—
2791151
2WD (July 1986 to April 1987)
Ref.
A
2791036
4WD (Prior to March 1986)
Ref.
—
2791117
4WD (March 1986 to August 1986)
Ref.
—
2791159
4WD (August 1986 to August 1987)
Ref.
—
VICKERS VALVE MACHINES
Ref.
2791290*
2WD (August 1987 to Present)
Ref.
C
2791338*
4WD (August 1987 to Present)
Ref.
I
LEVEL HYDRAULIC DIAGRAMS:
Ref.
40H MACHINES
Ref.
2790896
2 Section Boom with Fixed Support (Prior to May
1993)
Ref.
RL-G
2790958
2 Section Boom with Rotate Support (Prior to May
1993)
Ref.
—
2792070*
2 Section Boom with Fixed and Rotate Support
(May 1993 to Present)
Ref.
A
2790994
3 Section (Prior to May 1993)
Ref.
C
2792071*
3 Section (May 1993 to Present)
Ref.
A
40H+6 MACHINES
Ref.
2791222
2 Section Boom with Fixed Support (Prior to May
1993)
Ref.
D
2792073
2 Section Boom with Fixed Support (May 1993 to
Present)
Ref.
C
2791220
2 Section Boom with Rotator Support (Prior to May
1993)
Ref.
H
2792072*
2 Section Boom with Rotator Support (May 1993 to
Present)
Ref.
B