How to fix external oil leakage from the lifetime seal in JLG Boom Lifts?
If you observe external oil leakage from the lifetime seal in your JLG Boom Lifts, it indicates that the lifetime seal is damaged. Replacing the lifetime seal is the suggested solution.
General| Platform Height | 135 ft |
|---|---|
| Working Height | 141 ft |
| Horizontal Outreach | 80 ft |
| Platform Capacity - Unrestricted | 600 lb |
| Platform Capacity - Restricted | 1000 lb |
| Machine Width | 8 ft 2 in |
| Machine Height | 10 ft |
| Gradeability - 4WD | 45% |
| Engine Type | Diesel |
| Fuel Tank Capacity | 40 gal |
| Drive Speed - 4WD | 2.5 mph |
| Swing | 360 Degrees Continuous |
| Platform Rotator | 180° |
| Jib Range | 130 Degrees |
| Controls | Proportional |
| Ground Clearance | 14 in |
| Axle Oscillation | ±8 in |
General safety precautions for aerial platform maintenance. Importance of following warnings and precautions.
Hydraulic systems operate at high pressures; pressure relief is required before disconnection.
Safety points for maintenance, including compliance with warnings and precautions.
Lists capacities for Hydraulic Tank, Fuel Tank, and Hydraulic System.
Details specifications for Deutz BF4M2011 and Caterpillar 3.4T engines.
Provides reach specifications, dimensional data, and chassis specifications.
Lists torque values for various components like wheel bolts, swing bearing bolts, and tele cylinder mounting.
Specifies hydraulic oil requirements based on operating temperature range and SAE viscosity grade.
Covers lubrication intervals and specifications for various components.
Covers machine preparation, pre-start, pre-delivery, annual inspections, and preventative maintenance.
Provides information on safety, workmanship, cleanliness, and component removal/installation.
Details hydraulic system contamination, lubrication procedures, and battery maintenance.
Procedures for measuring acceptable platform and cylinder drift.
Guidelines for inspecting and replacing filament wound bearings and pins.
Instructions and warnings regarding welding on JLG equipment.
Covers tire inflation, damage criteria, and wheel/tire replacement procedures.
Details steering modes, sensors, and how the control system synchronizes wheel movement.
Describes the oscillating front axle system, including lockout cylinders and their function.
Provides procedures for different drive hub models (Rexroth, Bonfiglioli, Reggiana Riduttori).
Covers roll and leak testing, and tightening/torquing bolts for the swing drive.
Details pre-installation checks, installation, maintenance, and disassembly of the swing brake.
Provides disassembly and inspection procedures for the swing motor.
Covers turntable bearing mounting bolt condition checks, wear tolerance, removal, and installation.
Provides information on engine operation, glow plugs, checking oil level, and changing engine oil.
Covers general use of bio fuels, approved engines, and basic conditions to observe.
Defines diagnostics and troubleshooting procedures for the CAT 3.4 engine ECM.
Describes systems like Broken Cable Indicator, Platform Control Enable, and Transport Position Sensing.
Detailed steps for removing, disassembling, assembling, and replacing boom cables.
Procedure for applying lubricant to booms after assembly or during annual application.
Procedure for measuring and adjusting boom sweep using shims.
Steps for removing and installing the load sensing pin, including sensor recalibration.
Procedures for lubricating O-rings on hydraulic fittings using cup/brush, dip, or spray methods.
General procedures for cylinder disassembly, cleaning, inspection, and assembly.
Describes the hydraulic tank capacity, return filter, suction strainers, and oil level checks.
Procedures for setting hydraulic pressures, including high and low pressure relief valves.
Troubleshooting procedures for transmission drive issues.
Procedures for centering control modules, including EP and HD/EP control modules.
Overview of the JLG Control System, its components, and functionality.
Explains CANbus communication principles and module interactions.
Lists calibration procedures required for various sensors and machine functions.
Procedure for calibrating steering to ensure proper alignment of tires and wheels.
Procedure for calibrating the drive system using the analyzer.
Steps for setting platform valve minimums and calibrating platform level sensors.
Procedure for calibrating the lift crack points for the machine.
Procedure for calibrating telescope crack points for the machine.
Procedure for calibrating the tilt sensor before machine operation.
Step-by-step procedure to calibrate boom sensors for proper operation.
Basic electrical information and schematics for locating and correcting operating problems.
Instructions for using a multimeter for various circuit measurements.
Procedure for applying silicone dielectric compound to electrical connectors to prevent oxidation.
Assembly and disassembly procedures for AMP connectors.
Assembly and disassembly procedures for Deutsch connectors.
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