JLG G5-18A Telehandler Service Manual
252 pages · Publication 31211363
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- Models
- G5-18A
- Manual type
- Service Manual
- Pages
- 252
- Publication
- 31211363
- Condition
- Brand new

What's inside
From the manual's own table of contents: 8 sections, 87 entries. See sample pages (PDF, 521 KB)
Safety Practices7 topics
- Introduction
- Disclaimer
- Operation & Safety Manual
- Do Not Operate Tags
- Safety Information
- Safety Instructions
- Safety Decals
General Information and Specifications8 topics
- Replacement Parts and Warranty Information
- Specifications
- Fluids, Lubricants and Capacities
- Service and Maintenance Schedule
- Lubrication Schedule
- Thread Locking Compound
- Torque Charts
- Hydraulic Connection Assembly and Torque Specification
Boom15 topics
- Boom System Component Terminology
- Two Section Boom System
- Boom Removal/Installation
- Boom Assembly Maintenance
- Boom Wear Pads
- Quick Coupler Assembly
- Forks
- Boom Prop (If Equipped)
- Emergency Boom Lowering Procedure
- Troubleshooting
- Operator Cab Component Terminology
- Operator Cab
- Cab Components
- Cab Removal
- Cab Installation
Axles, Drive Shafts, Wheels and Tires11 topics
- Axle, Drive Shaft and Wheel Component Terminology
- General Information
- Axle Serial Number
- Axle Specifications And Maintenance Information
- Axle Replacement
- Axle Assembly and Drive Shaft Troubleshooting
- Drive Shafts
- Wheels and Tires
- Steering Angle Adjustment
- Brakes
- Towing a Disabled Machine
Transmission5 topics
- Transmission Assembly Component Terminology
- Transmission Serial Number
- Specifications and Maintenance Information
- Transmission Replacement
- Hydrostatic Coupler Replacement
Engine7 topics
- Engine Serial Number
- Engine Cooling System
- Engine Electrical System
- Fuel System
- Engine Exhaust System
- Air Cleaner Assembly
- Engine Replacement
Hydraulic System10 topics
- Hydraulic Component Terminology
- Hoses, Tube Lines, Fittings, Etc
- Hydraulic Pressure Diagnosis
- Hydraulic Circuits
- Hydraulic Schematic
- Hydraulic Reservoir
- Hydraulic System Pump
- Front Drive Motor
- Control Valves
- Hydraulic Cylinders
Electrical System16 topics
- Electrical Component Terminology
- Fuses and Relays
- Electrical System Schematics
- Dielectric Grease Application
- Engine Start Circuit
- Battery
- Electrical System Components
- Window Wiper System
- Cab Heater/AC and Fan
- Switches, Solenoids and Senders
- Load Stability Indicator System (LSI) (If Equipped)
- Machine Data
- Analyzer Software Accessibility
- Telematics Gateway
- Diagnostic Trouble Codes (DTC) on Ground Module
- Engine Diagnostic Trouble Code
Inside this manual
Real pages from this service manual (252 pages). Open the sample pages (PDF, 520 KB)
- Specifications, page 16: SPECIFICATIONS
- Troubleshooting, page 127: Axles, Drive Shafts, Wheels and Tires
- Diagram, page 151: Engine
- Color page: Electrical System
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the G5-18A 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, 252 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).