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JLG 80HX 80HX+6 Parts Manual (3120800) -PDF Download En

SECTION 6 - HYDRAULICS FIGURE 6-1. HYDRAULIC DIAGRAM LIST

ITEM

PART NUMBER

QTY Ref Ref

2791684 Ref 2791055 2792293 2791099 2792261 2792282 2792274 2792280 2792281 2791871 2792267 2791873 2791553 Ref Ref 2791239 2792263 2791955 2791725 2792262 2791870 Ref Ref 2791060 2792067 Ref 2791234 2792069 2791233 2792068 2791249 0251199 0254093 1693933 1693940 0257194 Ref 2791448 0254853 2792264 2791816

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DESCRIPTION HYDRAULIC DIAGRAM LIST Note: Information on diagrams not shown is available from JLG Service/Parts Departments. Axle Lift Hydraulic Diagram (Single Jack with Fixed Axle) (For other options See Axle Extension Hydraulic Diagrams) Axle Extension/Steering/Jack/Tow Hydraulic Diagrams: 2WS Fixed Axle without Tow Package 2WS Fixed Axle without Tow Package and with Dual Axle Jacks 2WS Fixed Axle with Tow Package 2WS Oscillating Axle with Tow Package (Prior to SN 26210) 2WS Oscillating Axle with Tow Package (SN 26210 to Present) 2WS Oscillating Axle with Tow Package and with Single Axle Jack 2WS Oscillating Axle with Tow Package and with Single Axle Jack 2WS Oscillating Axle with Tow Package and with Dual Axle Jacks 4WS Fixed Axle without Tow Package 4WS Fixed Axle with Tow Package and with Dual Axle Jacks 4WS Fixed Axle with Tow Package Brake with Pressure Reducing Valve (Used with Ausco Drive Brakes) Drive Hydraulic Diagrams: Vickers Proportional Valve Machines: 2WD/2WS with Fixed Axle 2WD/2WS with Oscillating Axle 2WD/4WS 4WD/2WS with Fixed Axle 4WD/2WS with Oscillating Axle 4WD/4WS Level Hydraulic Diagrams: Level Hydraulic Diagrams 80HX Standard (Prior to June 1993) Standard (June 1993 to present) Level Hydraulic Diagrams 80HX+6/86HX: Fixed Platform (Prior to June 1993) Fixed Platform (June 1993 to Present) Rotating Platform (Prior to June 1993) Rotating Platform (June 1993 to Present) Lift Hydraulic Diagram Manual Descent Hydraulic Diagram (Prior to SN 25609) Lift Descent (March 1993 to Present) Lift Descent (Prior to March 1993) Tele Descent Manual Descent Hydraulic Diagram (SN 25609 to Present) Oil Cooler Hydraulic Diagrams: Oil Cooler at Rear of T/T Oil Cooler Inside T/T Oscillating Axle Hydraulic Diagram Pump Hydraulic Diagram

80HX/80HX+6

REV

3120800

JLG 80HX 80HX+6 Parts Manual (3120800) -PDF Download En

Articles inside

FIGURE 8-1. DECALS INSTALLATION

FIGURE 9-2. MODELS 80HX/80HX+6 (WITH DEUTZ ENGINE) VARIABLE PARTS

FIGURE 6-16. HYDRAULIC DIAGRAM - SWING

FIGURE 7-1. ELECTRICAL DIAGRAM LIST

FIGURE 6-15. HYDRAULIC DIAGRAM - SEQUENCE LINE

FIGURE 6-14. HYDRAULIC DIAGRAM - ROTATE (80HX

FIGURE 6-13. HYDRAULIC DIAGRAM - PUMP

FIGURE 6-12. HYDRAULIC DIAGRAM - OSCILLATING AXLE (80HX/80HX+6

FIGURE 6-9. HYDRAULIC DIAGRAM - LIFT

FIGURE 6-8. HYDRAULIC DIAGRAM - LEVEL (80HX+6

FIGURE 6-7. HYDRAULIC DIAGRAM - LEVEL (80HX

FIGURE 6-6. HYDRAULIC DIAGRAM - DRIVE (4WD/2WS

FIGURE 6-5. HYDRAULIC DIAGRAM - DRIVE (2WD/2WS

FIGURE 6-1. HYDRAULIC DIAGRAM LIST

FIGURE 5-14. TELESCOPE CYLINDER ASSEMBLIES

FIGURE 5-13. STEER CYLINDER ASSEMBLIES (WITH OSCILLATING AXLE

FIGURE 5-9. LIFT CYLINDER ASSEMBLIES - BOOM

FIGURE 5-11. MASTER CYLINDER ASSEMBLY

FIGURE 5-6. PLATFORM LEVEL CYLINDER ASSEMBLIES (MODEL 80HX BUILT APRIL 1992 TO PRESENT

FIGURE 5-7. SLAVE LEVEL CYLINDER ASSEMBLIES (80HX+6 EXTEND-A-REACH) (Prior to SN 29914

FIGURE 5-5. PLATFORM LEVEL CYLINDER ASSEMBLIES (MODEL 80HX BUILT PRIOR TO APRIL 1992

FIGURE 5-4. AXLE LOCKOUT CYLINDER ASSEMBLY

FIGURE 5-3. AXLE LIFT CYLINDER ASSEMBLY

FIGURE 5-1. AXLE EXTENSION CYLINDER ASSEMBLIES - 80HX WITH FIXED AXLE

FIGURE 4-5. CONSOLE BOX ASSEMBLIES (SEPTEMBER 1991 TO PRESENT

FIGURE 4-4. CONSOLE BOX ASSEMBLIES (PRIOR TO SEPTEMBER 1991

FIGURE 4-2. LOW MOUNT PLATFORM AND FOOTSWITCH INSTALLATION

FIGURE 4-1. STANDARD PLATFORM AND FOOTSWTICH INSTALLATION

FIGURE 4-3. ROTATOR MOTOR ASSEMBLY

FIGURE 3-3. EXTEND-A-REACH INSTALLATIONS

FIGURE 3-2. BOOM WIPERS INSTALLATION

FIGURE 2-34. HOODS INSTALLATION (PRIOR TO DECEMBER 1992

FIGURE 3-1. BOOM ASSEMBLIES

FIGURE 2-35. HOODS INSTALLATION (MACHINES BUILT DECEMBER 1992 TO PRESENT

FIGURE 2-30. GROUND CONTROL COMPONENTS INSTALLATION (MACHINES BUILT PRIOR TO MAY 1994

FIGURE 2-31. GROUND CONTROL COMPONENTS INSTALLATION (MACHINES BUILT MAY 1994 TO SN 25608

FIGURE 2-27. MAIN PUMP ASSEMBLY

FIGURE 2-26. PUMP COUPLING INSTALLATIONS

FIGURE 2-25. DUAL FUEL INSTALLATION - FORD ENGINE MACHINES

FIGURE 2-22. GENERATOR INSTALLATION - FORD ENGINE MACHINES BUILT PRIOR TO MARCH 1995 (OPTIONAL

FIGURE 2-24. GENERATOR INSTALLATION - FORD MACHINES BUILT MARCH 1995 TO PRESENT

FIGURE 2-23. FORD LRG423/LRG425 ENGINE INSTALLATION (MARCH 1995 TO PRESENT

FIGURE 2-21. PRECISION GOVERNOR INSTALLATION - FORD ENGINE MACHINES BUILT PRIOR TO MARCH 1995

FIGURE 2-20. FORD LSG-423 ENGINE INSTALLATIONS (PRIOR MARCH TO 1995

FIGURE 2-19. GENERATOR INSTALLATION - DEUTZ ENGINE MACHINES

FIGURE 2-17. DEUTZ ENGINE INSTALLATION WITH NOISE REDUCTION (BUILT DECEMBER 1992 TO PRESENT

FIGURE 2-16. DEUTZ ENGINE INSTALLATION WITHOUT NOISE REDUCTION (BUILT PRIOR TO DECEMBER 1992

FIGURE 2-15. ROTARY COUPLING AND COLLECTOR RING ASSEMBLY AND INSTALLATION

FIGURE 2-13. SWING BRAKE ASSEMBLIES (APRIL 1992 TO PRESENT

FIGURE 2-12. SWING BRAKE ASSEMBLIES (PRIOR TO APRIL 1992

FIGURE 2-14. SWING HUB ASSEMBLY

FIGURE 2-11. SWING MOTOR ASSEMBLY - EATON

FIGURE 2-10. SWING MOTOR ASSEMBLY - CHAR-LYNN

FIGURE 2-8. CONTROL VALVE ASSEMBLY - 1 SECTION BANG-BANG (80HX+6 ONLY

FIGURE 2-6. CONTROL VALVE ASSEMBLY - BANG-BANG WITH DUMP SECTION

FIGURE 1-17. TOW PACKAGE INSTALLATION

FIGURE 2-5. CONTROL VALVE ASSEMBLY - RACINE BANG-BANG WITH DUMP SECTION

FIGURE 2-3. CONTROL VALVE ASSEMBLY (VICKERS) (PRIOR TO OCTOBER 1994

FIGURE 1-15. VALVES AND SWITCHES INSTALLATIONS (FRAME MOUNTED

FIGURE 2-4. CONTROL VALVE ASSEMBLY (VICKERS) (OCTOBER 1994 TO PRESENT

FIGURE 2-1. BOOM, TURNTABLE AND BEARING LUBE INSTALLATION

FRONT AXLE

FIGURE 1-14. DRIVE HUB ASSEMBLIES

FIGURE 1-7. DRIVE MOTOR ASSEMBLY - SAUER-DANFOSS (2WD/2WS FIXED FRONT AXLE MACHINES

MACHINES

FIGURE 1-3. FRAME, STEERING AND AXLE INSTALLATIONS - 2WD AND 4WD OSCILLATING AXLE MACHINES

FIGURE 1-1. FRAME, STEERING AND AXLE INSTALLATIONS - 2WD FIXED AXLE MACHINES

FIGURE 1-2. FRAME, STEERING AND AXLE INSTALLATIONS - 4WD FIXED AXLE MACHINES

FIGURE 1-12. BRAKE ASSEMBLY - MICO (2WD JANUARY 1992 TO PRESENT AND 4WD JULY 1991 TO PRESENT FIGURE 1-13. GEAR REDUCER ASSEMBLY 2WD/2WS WITH FIXED FRONT AXLE AND ALL 2WD WITH OSCILLATING

FIGURE 1-10. BRAKE ASSEMBLY - AUSCO (2WD PRIOR TO JANUARY 1992

FIGURE 1-8. DRIVE MOTOR ASSEMBLY - 2WD/4WS, 4WD/2WS AND 4WD/4WS FIXED FRONT AXLE MACHINES FIGURE 1-9. DRIVE MOTOR ASSEMBLY - 2WD/2WS, 2WD/4WS, 4WD/2WS AND 4WD/4WS OSCILLATING FRONT AXLE