JLG 80H Parts Manual - Manual (Page 391)

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SECTION 6 HYDRAULICS
Manual Descent Hydraulic Diagram
2791053 Prior to November 1990
2791799* November 1990 to Present
Oil Cooler Hydraulic Diagrams:
2791448 Oil Cooler at Rear of T/T
0254853 Oil Cooler Inside T/T
2792264* Oscillating Axle Hydraulic Diagram
Pump Hydraulic Diagrams:
Racine Proportional Valves and Standard Controls:
2791056 Machines without Steering Wheel
2791266 Machines with Steering Wheel
Vickers Proportional Valves and Standard Controls:
2791263 Machines Built 1985-1990
2791816* Machines Built 1991 to Present
Vickers Proportional Valves and Hydraulic Controls:
2791590 Machines Built Prior to April 1991
2791985* Machines Built April 1991 to Present
Rotate Hydraulic Diagrams (See Level Hydraulic Diagrams for 80HX+6 and
86HX):
2791061 80HX with Standard Tubing
2792206 80HX with Stainless Steel Tubing (Prior to S/N 42356)
2792231 Schematic - Hydraulic
1281353* Sequence Hydraulic Diagrams:
2791698* Standard Controls
2791700* Hydraulic Controls
Steer Hydraulic Diagrams (See Axle Extension Hydraulic Diagrams)
Swing Hydraulic Diagrams:
2791063 Racine Proportional Valve Machines
2791285* Vickers Proportional Valve Machines
Telescope Hydraulic Diagrams:
2790949 Machines without Prop Tele (Racine Proportional Valves)
2791257
Machines without Prop Tele (Vickers Proportional Valves) (Prior to November
1990)
2791758*
Machines without Prop Tele (Vickers Proportional Valves) (November 1990 to
Present)
2791057 Machines with Prop Tele (Racine Proportional Valves)
2791254 Machines with Prop Tele (Vickers Proportional Valves) (Prior to November 1992)
2791991*
Machines with Prop Tele (Vickers Proportional Valves) (November 1992 to
Present)
2791935* Machines with Hydraulic Controls
FIG & ITEM # PART NUMBER DESCRIPTION