JLG 70H Parts Manual - Manual (Page 418)

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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
FIGURE 6-15. HYDRAULIC DIAGRAM LIST
FIG & ITEM # PART NUMBER DESCRIPTION
6—15 HYDRAULIC DIAGRAM LIST
Note: Diagrams with asterisk (*) are shown in the following pages.Informa-
tion on Diagrams not shown is available from JLG Service/Parts Depart-
ments.
Axle Lockout Hydraulic Diagrams:
2790974 Prior to May 1992
2791899* May 1992 to Present
Drive Hydraulic Diagrams:
Racine Proportional Valve Machines:
2790954 2WD Single Speed Gear Pump (Prior to September 1986)
2791174 2WD Single Speed Gear Pump (September - 1986 to Mid 1987)
2790981 2WD Two Speed Gear Pump (Prior to September 1986)
2791175 2WD Two Speed Gear Pump (September 1986 to Mid 1987)
2791135 4WD
Vickers Proportional Valve Machines:
2791264 2WD (Prior to May 1992)
2791894* 2WD/2WS (May 1992 to Present)
2791896 2WD/4WS
2791297 4WD (Prior to August 1987)
2791341 4WD (August 1987 to May 1992)
2791895* 4WD/2WS (May 1992 to Present)
2791897 4WD/4WS
2791685 4WD (S/N’s 13914, 13915, 13924, 13925 and 13926 Only)
Level Hydraulic Diagrams:
60H:
2790956 Prior to May 1993
2792054* May 1993 to Present
60H+6:
2791232 Fixed Platform (Prior to May 1993)
2792053 Fixed Platform (May 1993 to Present)
2791231 Rotating Platform (Prior to May 1993)
2792052* Rotating Platform (May 1993 to Present)
70H:
2791051 Prior to May 1993
2792066* May 1993 to Present
2792147 S/N’s 6099 and 7020 only
Lift Hydraulic Diagrams:
2790945 Machines with Racine Proportional Valves
2791252 Machines with Vickers Proportional Valves
2790946* Manual Descent Hydraulic Diagram
Oil Cooler Hydraulic Diagrams:
2791448 Oil Cooler at Rear of T/T
0254853 Oil Cooler Inside T/T