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General| Brand | JLG |
|---|---|
| Model | 4069LE |
| Category | Boom Lifts |
| Language | English |
General safety precautions for mobile elevating work platforms.
Safety considerations for high-pressure hydraulic systems.
Consequences of non-compliance with safety precautions during maintenance.
Details of the original document issue and date.
Details overall machine specifications and data.
Information on various machine components like battery charger and drive system.
Fluid capacities for the machine's fuel, hydraulic, and generator systems.
Hydraulic system main relief, steer, and lift pressure settings.
Torque values for fasteners and components.
Specifications for hydraulic cylinders including bore, stroke, and rod diameter.
Weights of key machine components for handling and transport.
Weights critical for maintaining machine stability during operation.
Lubrication requirements, grades, and temperature ranges for the machine.
Location of machine serial number plate and stamped number.
Specifies thread locking compounds and their part numbers for fasteners.
Detailed tables for SAE and metric fastener torque values.
Procedures for preparing, inspecting, and maintaining the machine for safe operation.
General guidelines for equipment servicing and maintenance procedures.
Information on lubrication procedures and hydraulic system contaminants.
Procedures for testing cylinder drift and platform drift.
Guidelines for inspecting and repairing pins and composite bearings.
Schedule and definitions for preventive maintenance and inspection checks.
Procedures for calibrating elevation, speed, and tilt sensors.
Details on the tilt sensor and its calibration and troubleshooting.
Procedures for maintaining and charging the machine's batteries.
Information and components related to the generator system.
Procedure to add a supplementary fuse for the Engine Generator Controller.
Information on the joystick controller, its specifications, and calibration.
Instructions for disengaging and engaging the machine for towing.
Detailed procedures for drive hub disassembly and reassembly.
Procedures for disassembling, assembling, and bleeding the MICO drive brake.
Procedures related to the torque hub including tests and bolt torquing.
General guidelines for servicing and maintaining hydraulic systems.
Information on hydraulic system lubrication and oil recommendations.
Explanation of how double-acting lift and steer hydraulic cylinders operate.
Explanation of control valve operation and types in the hydraulic system.
Functional descriptions of hydraulic pump and manual descent.
Information on wear pad thickness and replacement guidelines.
Operating modes for the traction motor and pump motor.
Features of the traction mode including proportional control and speed cutback.
Procedures for checking hydraulic cylinders for drift and leaks.
Procedures for removing and installing hydraulic lift cylinders.
General procedures for hydraulic cylinder disassembly, cleaning, and assembly.
Procedure for removing the steer cylinder from the machine.
Procedures for bleeding oscillation cylinders.
Test procedure for lockout cylinders to verify function.
Exploded views and parts lists for hydraulic cylinders.
Procedures for setting main relief, lift relief, and steer relief pressures.
Disassembly and assembly procedures for the drive torque hub.
Information on the drive assist valve and its schematic.
Information on the JLG handheld analyzer and its connection.
Procedure for changing analyzer access level using a password.
Procedure for adjusting personality and machine setup parameters.
Procedures for configuring machine setup parameters like model and ground alarm.
Identification of PC boards used in the control system.
Table of flash codes and diagnostic trouble codes with descriptions.
Introduction to electrical schematics and troubleshooting.
Basic information on using multimeters for circuit measurements.
Procedure for applying compound to AMP connectors to prevent issues.
General guidance for applying dielectric grease to various connector types.
Procedures for assembling and disassembling AMP connectors.
Procedures for assembling and disassembling DT/DTP and HD/HDP Deutsch connectors.
Reference to electrical schematic diagrams for troubleshooting.
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