JLG 80H Parts Manual User Manual
Page 390
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SECTION 6 HYDRAULICS
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FIG & ITEM #
PART NUMBER
DESCRIPTION
6—1
HYDRAULIC DIAGRAM LIST - 80HX/80HX+6/86HX
Note: Diagrams with asterisk (*) are shown in the following pages.Diagrams
not shown are available from the JLG Service Department.
2791684
Axle Jack Hydraulic Diagram (Single Jack with Fixed Axle) (For other options
see Axle Extension Hydraulic Diagrams)
Axle Extension/Steering/Jack/Tow Hydraulic Diagrams:
2791055*
2WS Fixed Axle without Tow Package
2792293
2WS Fixed Axle without Tow Package & with Dual Axle Jacks
2791099
2WS Fixed Axle with Tow Package
2792261
2WS Oscillating Axle without Tow Package (Prior to S/N26210)
2792282*
2WS Oscillating Axle without Tow Package (S/N26210 to Present)
2792274/
2792280
2WS Oscillating Axle without Tow Package & with Single Axle Jack
2792281
2WS Oscillating Axle without Tow Package & with Dual Axle Jacks
2791871
4WS Fixed Axle without Tow Package
2792267
4WS Fixed Axle without Tow Package & with Dual Axle Jacks
2791873
4WS Fixed Axle with Tow Package
2791553*
Brake with Pressure Reducing Valve (Used with Ausco Drive Brakes)
Drive Hydraulic Diagrams:
Racine Proportional Valve Machines:
2791054
2WD (Tank Pressure Supplied after Spit Valves) (Prior to September 1986)
2791177
2WD (Tank pressure Supplied before Spit Valves) (September 1986 to Mid
1987)
Vickers Proportional Valve Machines:
2791239*
2WD/2WS with Fixed Axle
2792263*
2WD/2WS with Oscillating Axle
2791955
2WD/4WS
2791725*
4WD/2WS with Fixed Axle
2792262*
4WD/2WS with Oscillating Axle
2791870
4WD/4WS
Level Hydraulic Diagrams:
80HX:
2791060
Standard (Prior to June 1993)
2792067*
Standard (June 1993 to Present)
2792207
Stainless Steel Tubing (Prior to S/N 42356)
80HX+6/86HX:
2791234
Fixed Platform (Prior to June 1993)
2792069
Fixed Platform (June 1993 to Present)
2791233
Rotating Platform (Prior to June 1993)
2792068*
Rotating Platform (June 1993 to Present)
Lift Hydraulic Diagrams:
2791052
Machines with Racine Proportional Valves
2791249*
Machines with Vickers Proportional Valves