JLG 40H / 40H+6 Boom Lift Service and Maintenance Manual (ANSI)

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This service manual PDF download for the JLG 40H / 40H+6 4WD Boom Lift has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.


JLG Lift 40H
JLG Lift 40H+6


A.A General
A.B Hydraulic System Safety
A.C Maintenance

1.1 Capacities
1.2 Component Data
1.3 Performance Data
1.4 Torque Requirements
1.5 Lubrication
1.6 Pressure Settings
1.7 Cylinder Specifications
1.8 Boom Tape
1.9 Major Components Weights
1.10 Critical Stability Weights
1.11 Serial Number Location (See Figure 1-4.)

2.1 General
2.2 Servicing And Maintenance Guidelines
2.3 Lubrication Information
2.4 Cylinders – Theory Of Operation
2.5 Valves – Theory Of Operation
2.6 Boom Chains. (See Figure 2-1)
2.7 Wear Pads
2.8 Cylinder Checking Procedure
2.9 Cylinder Repair
2.10 Cylinder Removal And Installation
2.11 Boom Maintenance
2.12 Tilt Alarm Switch
2.13 Horizontal High Speed Cutout Switch Adjustment Procedure
2.14 Governor Checks And Addco Adjustment, Ford
2.15 Throttle Checks And Precision Governor Adjustments, Addco (See Figure 2-6.)
2.16 Electric Governor And Adjustments – Ford Engines
2.17 Throttle Checks And Adjustments – Deutz F2l511 Engine. (See Figure 2-8.)
2.18 Throttle Checks And Adjustments Wisconsin Engine. (See Figure 2-9.)
2.19 Throttle Checks And Adjustments – Deutz F3l912 Engine. (See Figure 2-10.)
2.20 Throttle Checks And Adjustments – Deutz Engine F3l1011. (See Figure 2-11.)
2.21 Pressure Setting Procedures
2.22 Racine Proportional Air Gap Adjustment
2.23 Swing Bearing
2.24 Torque Hub, 2w/d. (See Figure 2-36.)
2.25 Torque Hub 4wd. (See Figure 2-37.)
2.26 Swing Drive Brake, Mico (Machines Built Prior To May 1992). (See Figure 2-39.)
2.27 Drive Brake, Mico. (Machines Built Prior To May 1992)(See Figure 2-40.)
2.28 Swing Drive Brake, Ausco (Machines Built Prior To May 1992). (See Figure 2-41.)
2.29 Drive Brake, Ausco. (Machines Built Prior To May 1992) (See Figure 2-43.)
2.30 Drive Brake, Mico. (Machines Built From May 1992 To S/n 33476) (See Figure 2-44.)
2.31 Swing Brake, Mico. (Machines Built From May 1992 To S/n 33476) (See Figure 2-45.)
2.32 Drive Brake, Mico. (Machines Built From S/n 33476 To Present) (See Figure 2-46.)
2.33 Swing Brake, Mico.(Machines Built From S/n 33476 To Present) (See Figure 2-46.)
2.34 Controllers
2.35 Oscillating Axle Bleeding Procedure
2.36 Oscillating Axle Lockout Test
2.37 Basket Rotator Brake. (See Figure 2-48.)
2.38 Free Wheeling Option
2.39 Spark Arrestor Mufflers
2.40 Footswitch Adjustment
2.41 Hydraulic Pump W/hayes Pump Drive Coupling Lubrication
2.42 Dual Fuel System
2.43 Preventive Maintenance And Inspection Schedule
2.44 Capacity Indicator

3.1 General
3.2 Troubleshooting Information
3.3 Hydraulic Circuit Checks



File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Publication No. : 3120240
Total Pages : 152

This service manual / repair manual / workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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JLG 40H / 40H+6 Boom Lift Service and Maintenance Manual (ANSI).pdf

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