JLG 40H Service Manual - Manual (Page 6)

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– JLG Lift –
3120240
TABLE OF CONTENTS (Continued)
2.32 Drive Brake, Mico. (Machines Built From S/n 33476 To Present) (See Figure 2-46.) . . . . . . . . . . 2-83
2.33 Swing Brake, Mico.(Machines Built From S/n 33476 To Present) (See Figure 2-46.) . . . . . . . . . . 2-85
2.34 Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-87
2.35 Oscillating Axle Bleeding Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-87
2.36 Oscillating Axle Lockout Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88
2.37 Basket Rotator Brake. (See Figure 2-48.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-89
2.38 Free Wheeling Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89
2.39 Spark Arrestor Mufflers.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89
2.40 Footswitch Adjustment.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89
2.41 Hydraulic Pump W/hayes Pump Drive Coupling Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89
2.42 Dual Fuel System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89
2.43 Preventive Maintenance And Inspection Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-90
2.44 Capacity Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92
SECTION 3 - TROUBLESHOOTING
3.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3.2 Troubleshooting Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.3 Hydraulic Circuit Checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
LIST OF FIGURES
FIGURE NO. TITLE PAGE NO.
1-1. Torque Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-2. Lubrication Chart. (Sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1-2. Lubrication Chart. (Sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1-3. Serial Number Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
2-1. Typical Three Section Boom Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-2. Boom Positioning and Support, Cylinder Repair.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2-3. Poly-Pak Seal Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2-4. Governor Adjustment, Ford with Addco. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-5. Addco Adjustment, Ford. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2-6. Precision Governor Adjustment, Ford. (Sheet 1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
2-7. Precision governor Adjustment, Ford. (Sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
2-8. Addco Actuator Adjustments, F2L511. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-32
2-9. Addco Actuator Adjustments, VG4D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
2-10. Addco Actuator Adjustments, F3L912. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-36
2-11. Addco Actuator Adjustments, F3L1011. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
2-12. Racine Proportional Valve Pressure Setting.(Machines Built Prior To Mid 1987) (Sheet 1 of 2) . .2-39
2-13. Racine Proportional Valve Setting.(Machines Built Prior To Mid 1967) (Sheet 2 of 2) . . . . . . . . .2-40
2-14. Vickers Proportional Valve Pressure Setting, Machines Built To Present (Sheet 1 of 4) . . . . . . . . 2-41
2-15. Vickers Proportional Valve Pressure Setting, Machines Built To Present. (Sheet2 of 4) . . . . . . . . 2-42
2-16. Vickers Proportional Valve Pressure Setting, Machines Built To Present. (Sheet 3 Of 4) . . . . . . . 2-43
2-17. Vickers Proportional Valve Pressure Setting, Machines Built To Present. (Sheet 4 of 4) . . . . . . . 2-44
2-18. Vickers Proportional Valve Pressure Setting,
Machines Built Prior To 1989 With Accessory Valve. (Sheet 1 of 4). . . . . . . . . . . . . . . . . . . . . . . .2-45
2-19. Vickers Proportional Valve Pressure Setting,
Machines Built Prior To 1989 With Accessory Valve. (Sheet 2 of 4) . . . . . . . . . . . . . . . . . . . . . . . 2-46
2-20. Vickers Proportional Valve Pressure Setting,
Machines Built Prior To 1989 With Accessory Valve. (Sheet 3 Of 4) . . . . . . . . . . . . . . . . . . . . . . . 2-47
2-21. Vickers Proportional Valve Pressure Setting,
Machines Built Prior To 1989 With Accessary Valve. (Sheet 4 Of 4) . . . . . . . . . . . . . . . . . . . . . . . 2-48
2-22. Solenoid Valve Pressure Settings. (Machines Built Prior To 1992 With Steering Wheel) . . . . . . . 2-49
2-23. Pressure And Flow Settings (Machines Built Prior To May 1992 With Steering Wheel).. . . . . . . . 2-50
2-24. Vickers All Hydraulic Machines Pressure Settings (Sheet 1 of 4). . . . . . . . . . . . . . . . . . . . . . . . . .2-51