JLG E300AJ, E300AJP Boom Lift Service Manual
224 pages · Publication 3121253
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What's inside
From the manual's own table of contents: 252 sections, 296 entries. See sample pages (PDF, 622 KB)
Maintenance7 topics
- Operating Specifications
- Dimensional Data
- Capacities
- Tires
- Hydraulic Oil
- Major Component Weights
- Function Speeds
Machine Orientation When Doing Speed Tests2 topics
- Operator Maintenance
- Machine Preparation, Inspection, and Maintenance
Preventative Maintenance1 topic
- Service and Guidelines
Lubrication and Servicing1 topic
- Lubrication and Information
Show all 252 sections
Lubrication Specifications1 topic
- Cylinder Drift Test
Cylinder Drift2 topics
- Pins and Composite Bearing Repair Guidelines
- Welding on JLG Equipment
Do NOT Do the Following When Welding on JLG Equipment1 topic
- Tires and Wheels
Wheel Installation1 topic
- Spindle
Greasing Requirements1 topic
- Drive Hub
Main Assembly1 topic
- Drive Brake - Mico
Bleeding1 topic
- Speed Sensor Adjustment
Verification w/ Analyzer Procedure2 topics
- Positrac/Tilt module
- Swing Motor
Installation Torque2 topics
- Swing Drive
- Swing Bearing
Swing Bearing Torque Value1 topic
- Battery Maintenance And Charging
Battery Charging, Daily1 topic
- SECTION NO. TITLE PAGE NO. Battery Charger
Checking/Changing the Battery Charger Algorithm3 topics
- Drive Orientation System
- Hoods
- Boom Maintenance
Installation of the Main Boom1 topic
- Powertrack Maintenance
Replacing Moving End Brackets5 topics
- Boom Cleanliness Guidelines
- Tilt Sensor Check
- Footswitch Adjustment
- Boom Limit Switches
- Rotary Actuator
Troubleshooting1 topic
- Lubricating O-Rings in the Hydraulic System
Brush-on Method1 topic
- Hydraulic Cylinders
Phase Check Cartridge1 topic
- Pressure Setting Procedure
Adjustments made at the Boom Function Valve Bank1 topic
- Initial Hydraulic Pump Start-Up Procedure
Procedure1 topic
- JLG Control System Analyzer Kit Instructions
System Self Test2 topics
- General
- Multimeter Basics
Current Measurement1 topic
- Applying Silicone Dielectric Compound to Electrical Connections
Exclusions1 topic
- AMP Connector
Service - Voltage Reading1 topic
- Deutsch Connectors
Inside this manual
Real pages from this service manual (224 pages). Open the sample pages (PDF, 621 KB)
- Specifications, page 14: SECTION 1 - SPECIFICATIONS
- Troubleshooting, page 170: SECTION 6 - JLG CONTROL SYSTEM
- Diagram, page 215: SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
- Color page, page 118: SECTION 4 - BOOM & PLATFORM
- Color page, page 206: SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the E300AJ, E300AJP are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 224 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).