JLG 18RS, 18RSJ Boom Lift Service Manual
268 pages · Publication 3121284
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- Models
- 18RS, 18RSJ
- Manual type
- Service Manual
- Pages
- 268
- Publication
- 3121284
- Condition
- Brand new

What's inside
From the manual's own table of contents: 304 sections, 356 entries. See sample pages (PDF, 608 KB)
Maintenance1 topic
- Operating Specifications
Major Component Weights3 topics
- Function Speeds
- Operator Maintenance
- Machine Preparation, Inspection, and Maintenance
Preventative Maintenance1 topic
- Service and Guidelines
Show all 304 sections
Lubrication and Servicing1 topic
- Lubrication and Information
Lubrication Specifications1 topic
- Cylinder Drift Test
Cylinder Thermal 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 Installation3 topics
- Drive Orientation System
- Drive System
- Steer Cylinder
Installation2 topics
- Drive Hub
- Drive Motor
Assembly of End Cover1 topic
- Swing Motor
Final Checks1 topic
- Swing Bearing
Swing Bearing Torque Values6 topics
- Chassis Tilt Indicator System
- Cold Start System
- Engine Installation
- Engine Operating States
- Engine Start Conditions
- Engine RPM Levels
Generator RPM1 topic
- Engine controls
Ambient Air Temperature Sensor11 topics
- Deutz EMR 2
- Counterweight
- Platform Control Enable System
- Function Speed Control System
- Transport Position Sensing System
- Beyond Transport Position - Drive Speed Cutback System
- Drive/Steer – Boom Function Cutout System (Optional)
- Emergency Descent System
- Boom Telescope Speed
- Platform Load Sensing System (Japan)
- Platform
Platform Support Installation4 topics
- Main Boom
- Lower Boom
- Hose Adjustment Procedure
- Skyguard
Diagnostic & Troubleshooting1 topic
- Lubricating O-Rings in the Hydraulic System
Brush-on Method1 topic
- Hydraulic Cylinders
Main Boom Telescope Cylinder1 topic
- Sauer Danfoss Pump
Pressure Limiter Valve Replacement3 topics
- Hydraulic Drive Pump Pre-fill Procedure
- Pressure Setting Procedure
- JLG Control System Analyzer Kit Instructions
Introduction2 topics
- Analyzer Menu Structure
- Using The Hand Held Analyzer
Level Vehicle Description3 topics
- System Fault Messages
- General
- Multimeter Basics
Current Measurement1 topic
- Applying Silicone Dielectric Compound to Electrical Connections
MOLEX CMC Series Connectors1 topic
- Electrical Schematics
Inside this manual
Real pages from this service manual (268 pages). Open the sample pages (PDF, 605 KB)
- Specifications, page 13: SECTION 1 - SPECIFICATIONS
- Troubleshooting, page 201: Table 6-6. Fault Code Troubleshooting Information
- Diagram, page 249: SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
- Color page, page 232: SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
- Color page, page 93: SECTION 3 - CHASSIS & TURNTABLE
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, 268 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
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
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).