JLG G10-55A, G12-55A Telehandler Service Manual
178 pages · Publication 31200795
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What's inside
From the manual's own table of contents: 9 sections, 81 entries. See sample pages (PDF, 497 KB)
Safety Practices7 topics
- Introduction
- Disclaimer
- Operation & Safety Manual
- Do Not Operate Tags
- Safety Information
- Safety Instructions
- Safety Decals
General Information and Specifications7 topics
- Replacement Parts and Warranty Information
- Thread Locking Compound
- Torque Charts
- Specifications
- Fluid and Lubricant Capacities
- Service and Maintenance Schedules
- Lubrication Schedules
Boom16 topics
- Boom System Component Terminology
- Boom System - Four Section
- Boom Assembly Maintenance
- Complete Boom Removal/Installation
- Boom Section Removal/Installation
- Boom Section Separation Adjustment
- Hose Carrier Assembly Removal/Installation
- Boom Hose Take-up Adjustment
- Boom Hose Adjustment
- Quick Switch Assembly
- Boom Wear Pads
- Boom Extend/Retract Chain Removal/Installation
- Boom Chain Inspection and Lubrication
- Forks
- Emergency Boom Lowering Procedure
- Troubleshooting
Cab and Covers5 topics
- Operators Cab and Covers Component Terminology
- Operator Cab
- Cab Components
- Cab Removal
- Cab Installation
Axles, Drive Shafts, Wheels and Tires8 topics
- Axle, Drive Shaft and Wheel Component Terminology
- Axle Serial Number
- Axle Specifications And Maintenance Information
- Axle Replacement
- Drive Shafts
- Wheels and Tires
- Brakes
- Towing a Disabled Machine
Transmission6 topics
- Transmission Assembly Component Terminology
- Transmission Serial Number
- Transmission Specifications And Maintenance Information
- Transmission Replacement
- Transmission Cooler Thermal By-Pass Valve
- Torque Convertor Diaphragm
Engine6 topics
- Engine Cooling System
- Engine Electrical System
- Fuel System
- Engine Exhaust System
- Air Cleaner Assembly
- Engine Replacement
Hydraulic System7 topics
- Hydraulic Component Terminology
- Hydraulic Pressure Diagnosis
- Hydraulic Circuits
- Hydraulic Reservoir
- Implement Pump
- Control Valves
- Hydraulic Cylinders
Electrical System10 topics
- Electrical Component Terminology
- Fuses and Relays
- Electrical System Schematics
- Engine Start Circuit
- Window Wiper/Washer Windshield Wiper Motor
- Cab Heater and Fan
- Solenoids, Sensors and Senders
- Display Monitor and Gauges
- Dash Switches
- SAE Diagnostic Trouble and Fault Codes
Inside this manual
Real pages from this service manual (178 pages). Open the sample pages (PDF, 497 KB)
- Specifications, page 30: General Information and Specifications
- Troubleshooting, page 122: Engine
- Diagram, page 130: Hydraulic System
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the G10-55A, G12-55A 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, 178 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).