Need help?Do you have a question about the JLG 40H and is the answer not in the manual?
General| Platform Height | 40 ft |
|---|---|
| Weight | 12, 700 lb |
| Working Height | 46 ft |
| Fuel Type | Diesel |
| Gradeability | 45 % |
| Platform Capacity | 500 lbs |
| Machine Height | 8.2 ft |
| Engine | Diesel |
| Stowed Height | 8.2 ft |
Outlines general safety precautions for aerial platform maintenance.
Details safety measures for high-pressure hydraulic systems.
Covers general safety procedures during maintenance tasks.
Lists revisions made to the manual over time.
Specifies fluid capacities for fuel, hydraulic oil, and engine systems.
Provides technical data for various engine models used.
Details operational performance metrics like travel speed and gradeability.
Lists torque specifications for critical fasteners and components.
Specifies lubricants and intervals for machine components.
Lists hydraulic system pressure settings for various valves.
Details bore, stroke, and rod diameter for machine cylinders.
Specifies lengths for boom tape sections.
Lists weights of major machine components for handling.
Provides weight data crucial for machine stability.
Guides on how to locate the machine's serial number.
Provides an overview of maintenance procedures and safety.
Outlines general principles for servicing and maintenance.
Details on hydraulic oil types, viscosity, and contamination.
Explains the function of double-acting hydraulic cylinders.
Explains solenoid and bang-bang control valve operation.
Covers procedures for adjusting and inspecting boom chains.
Provides guidelines for wear pad shimming and replacement.
Details methods for checking hydraulic cylinder leakage.
Outlines general procedures for cylinder disassembly and repair.
Provides steps for removing and installing telescope cylinders.
Covers boom assembly removal and disassembly procedures.
Details manual and voltmeter methods for adjusting the tilt alarm switch.
Procedure for adjusting the horizontal high speed cutout switch.
Covers checks and adjustments for Ford engine governor systems.
Details throttle checks and governor adjustments for Addco systems.
Provides instructions for adjusting the automatic choke.
Covers carburetor and governor adjustments for Ford engines.
Details installation and adjustment of electric governors on Ford engines.
Covers adjustments for governor settings like mid engine, start lockout, over speed, and factory.
Provides steps for diagnosing and fixing governor problems.
Details the procedure for adjusting the automatic choke.
Lists procedures for setting hydraulic pressure for various valves.
Procedure to adjust the air gap on Racine proportional valves.
Covers checking turntable bearing mounting bolt condition.
Details disassembly and assembly of 2WD torque hubs.
Details disassembly and assembly of 4WD torque hubs.
Covers disassembly and assembly of Mico swing drive brakes (prior to May 1992).
Covers disassembly and assembly of Ausco drive brakes (prior to May 1992).
Details disassembly and assembly of Mico drive brakes (May 1992 to S/N 33476).
Details disassembly and assembly of Mico swing brakes (May 1992 to S/N 33476).
Details disassembly and assembly of Mico drive brakes (S/N 33476 to present).
Details disassembly and assembly of Mico swing brakes (S/N 33476 to present).
Procedures for bleeding lockout cylinders with and without holding valves.
Test procedure to verify the oscillating axle lockout system function.
Schedule for routine maintenance and inspections of machine components.
General information on using the troubleshooting section.
Overview of troubleshooting procedures and system divisions.
Troubleshooting guide for platform leveling system issues.
Troubleshooting guide for boom elevation and extension system issues.
Troubleshooting for boom extension and retraction problems.
Troubleshooting for boom swing system issues.
Troubleshooting guide for engine start and run issues.
Troubleshooting for control valves, fuel system, and front frame axle issues.
Troubleshooting for machine movement and drive system issues.
Troubleshooting for steering system response and erratic movement.
Troubleshooting for hydraulic pump noise, cavitation, and overheating.
Troubleshooting for sluggish operation, erratic system behavior, and auxiliary pump issues.
Troubleshooting for platform control power and switch issues.
Troubleshooting for starter motor, relay, and ignition switch problems.
Troubleshooting for hourmeter, tilt alarm, wheel motor speed, and high engine speed.
To Next Page
