JLG X17JP, X20JP, X26JP, X500AJ, X600AJ, X770AJ Compact Crawler Boom Service Manual
398 pages · Publication 3121623
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What's inside
From the manual's own table of contents: 194 sections, 261 entries. See sample pages (PDF, 618 KB)
MAINTENANCE3 topics
- CAPACITIES
- TRACK SPECIFICATIONS
- POWER SOURCE
Kubota Engine D902-E3B Specifications1 topic
- SPECIFICATIONS AND PERFORMANCE DATA
Machine Orientation When Performing Speed Tests3 topics
- HYDRAULIC PRESSURE SETTINGS - PSI (BAR)
- MAJOR COMPONENT WEIGHTS
- LUBRICATION
Hydraulic Oil3 topics
- SERIAL NUMBER LOCATION
- FASTENER TORQUE CHARTS
- MACHINE PREPARATION, INSPECTION, AND MAINTENANCE
Preventative Maintenance1 topic
- SERVICE AND GUIDELINES
Show all 194 sections
Lubrication and Servicing2 topics
- LUBRICATION AND INFORMATION
- TABLE OF CONTENTS Changing Hydraulic Oil
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
- RUBBER TRACK MAINTENANCE
Checking tightness of nuts and bolts1 topic
- UNDERCARRIGE COMPONENTS
Sprocket installation2 topics
- AXLE EXTENSION REMOVAL
- FINAL DRIVE
Product Identification1 topic
- SWING DRIVE (IMO)
Inspecting The Seals1 topic
- HONDA ENGINE IGX440
Replacement Of Engine ECU1 topic
- HATZ ENGINE
Troubleshooting1 topic
- TABLE OF CONTENTS PERKINS ENGINE
Fuel Filter Base - Remove and Install1 topic
- KUBOTA DIESEL ENGINE MODEL D902
All Diesel Actuator Rod Travel Adjustment3 topics
- THERMIC ENGINE REPLACEMENT
- ELECTRIC MOTOR REPLACEMENT
- BOOM MAINTENANCE
Installation of the Boom Assembly2 topics
- BOOM DISASSEMBLY X20JP - X600AJ
- INSPECTION
Three month inspection2 topics
- WIRE ROPE TENSION ADJUSTMENT PROCEDURE
- ROTARY ACTUATOR
Installing Counterbalance Valve3 topics
- BOOM ROTATION SENSOR ASSEMBLY - X23JP - X700AJ
- PROXIMITY SENSOR ADJUSTMENT (X17JP-X500AJ – X20JP-X600AJ)
- PLATFORM REMOVAL/INSTALLATION
Platform Installation1 topic
- LOAD CELL AND FOOTSWITCH REMOVAL/INSTALLATION
Installing Footswitch1 topic
- SKYGUARD INSTALLATION - ONE PERSON PLATFORM
Skyguard Anti-Trapping System8 topics
- SKYGUARD INSTALLATION - 2 PERSON PLATFORM
- MAIN COMPONENTS IDENTIFICATION AND LOCATION
- HYDRAULIC SYSTEM PUMP AND PRESSURE LINES
- GROUND COMPONENT HYDRAULIC SYSTEM
- OUTRIGGERS
- DRIVE GEAR MOTORS
- TRACKS WIDENING
- BOOM COMPONENT HYDRAULIC SYSTEM
Hydraulic System Sections1 topic
- CYLINDER REPAIR
Cylinders Bleeding1 topic
- REPLACEMENT HYDRAULIC PUMP
Pump installation1 topic
- HYDRAULIC PUMP REPAIR
Final Assembly And Check2 topics
- HYDRAULIC COMPONENT START-UP PROCEDURES AND RECOMMENDATIONS
- PRESSURE SETTING PROCEDURE
Control Valve (Chassis functions)1 topic
- TABLE OF CONTENTS Automatic Reductions Drive Speed (X17JP-X500AJ and X26JP-X770AJ Only)
Control Valve Turntable Functions4 topics
- OUTRIGGERS AUTO-RETRACTION
- INTRODUCTION
- MACHINE IGNITION
- PLATFORM - REMOTE CONTROL STATION
Push Buttons1 topic
- CANBUS COMMUNICATIONS
Electronic Module LED Flashing Codes1 topic
- SENSORS AND DEVICES NOT COMMUNICATING THROUGH CAN-BUS
Battery Charge System2 topics
- CALIBRATION REQUIREMENT
- PLATFORM REMOTE CONTROL SERVICE
Working Hours Menu1 topic
- MACHINE SETUP MENU
Setup 7 - DATE Setup4 topics
- JOYSTICK
- CALIBRATING JOYSTICK
- GENERAL
- MULTIMETER BASICS
Procedure3 topics
- ELECTRICAL SCHEMATICS MANUALS
- X17JP-X500AJ AND X20JP-X600AJ - HYDRAULIC SCHEMATICS
- X26JP-X770AJ - HYDRAULIC SCHEMATICS
Inside this manual
Real pages from this service manual (398 pages). Open the sample pages (PDF, 616 KB)
- Specifications, page 66: SECTION 3 - CHASSIS & TURNTABLE
- Repair procedure, page 150: SECTION 5 - HYDRAULICS
- Diagram, page 246: SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS
- Color page, page 21: SECTION 1 - SPECIFICATIONS
- Color page, page 112: SECTION 5 - HYDRAULICS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals 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, 398 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
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
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).