JLG 40H Service Manual User Manual
Page 6
ii
– 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