JLG H800AJ Boom Lift Service Manual
688 pages · Publication 3121770
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- Models
- H800AJ
- Serial coverage
- Prior to 0300270864
- Manual type
- Service Manual
- Pages
- 688
- Publication
- 3121770
- Condition
- Brand new
What's inside
From the manual's own table of contents: 589 sections, 685 entries. See sample pages (PDF, 578 KB)
General
Hydraulic System Safety
Maintenance8 topics
- Operating Specifications
- Tires
- Capacities
- Engine Data
- Hydraulic Oil
- Critical Stability Weights
- Maintenance and Lubrication
- Machine Preparation, Inspection, and Maintenance
Preparation, Inspection, and Maintenance
Pre-Start Inspection
Pre-Delivery Inspection and Frequent Inspection
Annual Machine Inspection
Preventive Maintenance1 topic
- Service and Guidelines
Safety and Workmanship
Cleanliness
Components Removal and Installation
Component Disassembly and Reassembly
Pressure-Fit Parts
Bearings
Gaskets
Bolt Usage and Torque Application
Hydraulic Lines and Electrical Wiring
Hydraulic System
Lubrication
Battery
Lubrication and Servicing1 topic
- Lubrication and Information
Hydraulic Oil
Changing Hydraulic Oil
Lubrication Specifications1 topic
- Cylinder Drift
Show all 589 sections
Theory
Cylinder Leakage Test
Cylinder Thermal Drift2 topics
- Pins and Composite Bearing Repair Guidelines
- Welding on JLG Equipment
Do the Following When Welding on JLG Equipment
Do NOT Do the Following When Welding on JLG Equipment1 topic
- Tires & Wheels
Tire Damage
Tire Replacement
Wheel Replacement
Wheel Installation1 topic
- Powertrain Operating Modes
Hybrid Mode
Electric Mode
Switching Between Modes on the Fly
Idle Reduction Stop Start6 topics
- Drive Orientation System
- Oscillating Axle System
- Lockout Cylinder Bleeding
- Oscillating Axle Lockout Test
- Drive System
- Drive Hub (Torque)
Removal
Installation
Disassembly
Cleaning and Inspection
Repair
Assembly
Assembly/Disassembly
Inspection2 topics
- Drive brake (SN 0300247156 to present)
- Drive Motor
Description
Shaft Seal Replacement
Loop Flushing Valve
Troubleshooting
Initial Start-up Procedures1 topic
- Swing Drive
Roll, Leak And Brake Testing
Tightening and Torquing Bolts
Motor Control Valve Disassembly
Motor and Brake Disassembly
Main Drive Disassembly
Hub-Shaft Disassembly
Carrier Disassembly
Hub-Shaft Assembly
Carrier Assembly
Main Drive Assembly
Motor and Brake Assembly
Motor Control Valve Assembly1 topic
- Swing Motor
Disassembly and inspection
One Piece Stator Construction1 topic
- Swing Hub Installation
Procedure For Setting Swing Gear Backlash
Swing Drive Lubrication2 topics
- Swing Hub Removal
- Swing Bearing
Turntable Bearing Mounting Bolt Condition Check
Wear Tolerance
Swing Bearing Replacement
Swing Bearing Torque Values3 topics
- Chassis Tilt Indicator System
- Rotary Coupling
- Generator
Maintenance Schedule
Overload Protection
Inspecting Brushes, Replacing Brushes, and Cleaning Slip Rings
Generator Disassembly and Assembly
Lead Connection List for Generator1 topic
- Cold Start System
Engine Warmup2 topics
- Clutch Adapter Plate Installation
- Clutch Kit & Release Shaft Installation
Clutch Kit
Release Shaft4 topics
- Clutch Installation
- Clutch Linear Actuator/Throwout Bearing Positioning installation Procedure
- Counterweight
- Boom Systems
Switch Systems
Above Elevation (Above Horizontal) Cutout System
Beyond Transport Position - Drive Speed Cutback System
Drive/Steer – Boom Function Interlock System (CE Only)
Transport Position Interlock System (CE only)
Platform Control Enable System
Function Speed Control System
Platform
Main Lift End Stroke Dampening System
QuikStick Lift System
Tower Boom Sequence Valve System
Upright Level Override System
Ground Control Keyswitch System3 topics
- Main Boom Assembly
- Upright
- SECTION NO. TITLE PAGE NO. Tower Boom Assembly
Tower Out of Sync1 topic
- Upright Monitoring System
Re-Synchronizing Upright
Calibration
Calibration Faults
Function Check
Service Mode/Tower Boom Retrieval1 topic
- UMS Troubleshooting and Fault Messages
Backward Stability Concern Message
Forward Stability Concern Message
Auto Detection Input Low Message
UMS Sensor Communications lost
Out of Usable Range Message
UMS Sensor Not Calibrated Message
UMS Sensor Faulted Message
Incompatible Software Detected Message1 topic
- Platform
Platform Valve Removal
Platform Valve Installation
Platform Support Removal
Support Installation1 topic
- Bolt-on External Fall Arrest
Inspection Before Use4 topics
- Articulating Jib
- Rotator and Slave Cylinder
- Sequence For Hose Replacement In The Tower Boom
- Limit Switches Adjustment
Main Boom Horizontal Limit Switch
Tower Boom Horizontal Limit Switch1 topic
- Boom Valve Adjustment
Tower Boom
Main Boom3 topics
- Boom Cleanliness Guidelines
- Main Boom Powertrack
- Powertrack Maintenance
Flat Bar Removal
Round Bar/Poly Bar Removal
Removing and Installing Links
Installing a New Flat Bar
Installing a New Round Bar/Poly Roller
Replacing a Fixed End Bracket
Replacing a Moving End Bracket
Replacing a One Piece Bracket1 topic
- Rotator Assembly
Theory of Operation
Required Tools
Installing Counterbalance Valve
Greasing Thrust Washers
Testing the Actuator
Installation and Bleeding2 topics
- Foot Switch Adjustment
- Skyguard
Operation
Function Test
Diagnostics & Troubleshooting1 topic
- Lubricating O-Rings in the Hydraulic System
Cup and Brush
Dip Method
Spray Method
Brush-on Method1 topic
- Hydraulic Connection Assembly and Torque Specification
Tapered Thread Types
Straight Thread Types, Tube and Hose Connections
Straight Thread Types, Port Connections
Flange Connection Types
Tightening Methods
Assembly And Torque Specifications
Assembly Instructions for American Standard Pipe Thread Tapered (NPTF) Connections
Assembly Instructions for British Standard Pipe Thread Tapered (BSPT) Connections
Assembly Instructions for 37° (JIC) Flare Fittings
Assembly Instructions for 45° SAE Flare Fittings
Assembly Instructions for O-Ring Face Seal (ORFS) Fittings
Assembly Instructions for DIN 24° Flare Bite Type Fittings (MBTL and MBTS)
Assembly Instructions for Bulkhead (BH) Fittings
Assembly Instructions for Metric ISO 6149 (MPP) Port Assembly Stud Ends
Assembly instructions for Adjustable Port End (BSPP) Fittings
Assembly Instructions for Flange Connections: (FL61 and FL62)
Double Wrench Method
FFWR and TFFT Methods
Adjustable Stud End Assembly
O-ring Installation (Replacement)1 topic
- Hydraulic cylinders
Axle Lockout Cylinder
Slave Cylinder
Upright Level Cylinder
Jib Lift Cylinder (800AJ Only)
Main Boom Lift Cylinder
Tower Boom Lift Cylinder
Master Cylinder
Steer Cylinder
Main Boom Telescope Cylinder
Tower Boom Telescope Cylinder1 topic
- Pressure Setting Procedures
Set Up the Function Pump
Adjustments Made at the Main Valve Block
Adjustments Made at the Platform Valve Block3 topics
- Hydraulic Component Start-Up Procedures and Recommendations
- Hydraulic drive pump pre-fill procedure
- Function Pump
Control Assembly
Plug and Fitting Sizes and Torques1 topic
- Drive Pump
Servo Controlled Piston Pump
Charge Pump Adapter Assembly
Manual Servo Control Basic Assembly
Manual Servo Control Assembly Options
Rotating Kit Assembly
Fault- logic Trouble Shooting
Start-up Procedure3 topics
- Hydraulic Schematic
- Introduction
- JLG Control System Analyzer Kit Instructions
To Connect the JLG Control System Analyzer
Using the Analyzer
Changing the Access Level of the Hand Held Analyzer
Adjusting Parameters Using the Hand Held Analyzer
Machine Setup
Level Vehicle Description
Ground Control Console Display Gauge1 topic
- Platform Load Sensing System
Diagnostic Menu
Calibration Procedure
Testing & Evaluation4 topics
- Resetting The MSSO System
- Machine Configuration Programming Information
- Machine Personality Settings and Function Speeds
- Machine Orientation When Setting Function Speeds
Test Notes6 topics
- CANbus Communications
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Chart- Additional Hec Faults
- Diagnostic Trouble Code Chart - Hybrid UGM
- General
- Multimeter Basics
Grounding
Backprobing
Min/Max
Polarity
Scale
Voltage Measurement
Resistance Measurement
Continuity Measurement
Current Measurement1 topic
- Applying Silicone Dielectric Compound to Electrical Connections
Installation of Dielectric Grease
Deutsch HD, DT, DTM, DRC Series
AMP Seal
AMP Mate-N-Lok
DIN Connectors
Exclusions
Brad Harrison / Phoenix Contact M12
Engine Control Unit Connectors
Sealed Enclosures
MIL-C-5015 Spec Connector's
Molex CMC Series Connectors1 topic
- AMP Connector
Applying Silicone Dielectric Compound to AMP Connectors
Wedge Lock
Service - Voltage Reading1 topic
- Deutsch Connectors
DT/DTP Series Assembly
DT/DTP Series Disassembly
HD30/HDP20 Series Assembly
HD30/HDP20 Series Disassembly5 topics
- DC Power Systems
- Hot Weather Operation
- Cold Weather Operation
- Disconnecting Battery Box Connectors
- Battery Pack
Reducing System Voltage
Restoring System Voltage
Battery Pack Charging System
Long Term Storage Guidelines1 topic
- IMG Box
Partially Isolating System Voltage6 topics
- IMG Controller
- Hybrid Electric Controller
- Resolver/Converter
- State of Charge Device
- Battery Equalizer
- SECTION NO. TITLE PAGE NO. Battery Chargers
Battery Charging
Ground Panel Indicators
Indications on the Charger 3-LED Display
Troubleshooting Instructions (Wall - Charge)
Instructions for using the Delta-Q QuiQ Programmer CTQuiQ Programming Kit
Connecting a QuiQ Charger to your Computer
Starting QuiQ Programmer CT
Programming Delta-Q QuiQ and QuiQ-dci Chargers
View Charge Tracking Data with QuiQ Programmer CT
Selecting a Charge Profile
Battery Testing2 topics
- ClearSky™ / Telematics Gateway
- Wiring Harness Connector Labels and Wiring Harnesses
Connector Labels
Component Labels1 topic
- Electrical Schematics
Maintenance and Lubrication Diagram
Torque Chart - Sheet 1 of 5 - (SAE Fasteners)
Torque Chart - Sheet 2 of 5 - (SAE Fasteners)
Torque Chart - Sheet 3 of 5 - (SAE Fasteners)
Torque Chart - Sheet 4 of 5 - (METRIC Fasteners)
Torque Chart - Sheet 5 of 5 - (METRIC Fasteners)
Engine Operating Temperature Specifications
Hydraulic Oil Operating Temperature Specifications
Axle Installation
Steering Installation
Chassis Component Location
Drive Hub Removal and Installation
Drive Hub (Torque)
Drive Brake
Drive Motor Removal and Installation
Drive Motor Cross Section
Removing the Shaft Seal
Loop Flushing Spool
Plugs, Fittings, and Speed Sensor
End Cap
Valve Plate & Rear Shaft Bearing
Cylinder Kit
Shaft Seal
Shaft & Front Bearing
Swash Plate & Servo Piston
Cylinder Kit Disassembly
Servo Piston
Cylinder Kit Assembly
Swashplate and Journal Bearing
Shaft and Front Bearing
Cylinder Kit Installation
Servo Spring and Minimum Angle Stop
Valve Plate and Rear Bearing
Plugs and Fittings Installation
Drive Motor
Swing System
Motor Control Valve
Motor and Brake
Hub-Shaft
Carrier
Swing Drive Assembly
Swing Motor and Brake Assembly
Swing Drive Motor
Swing Bearing Tolerance Boom Placement (Sheet 1 of 2)
Swing Bearing Tolerance Boom Placement (Sheet 2 of 2)
Swing Bolt Feeler Gauge Check
Swing Bearing Tolerance Measuring Point
Swing Bearing Removal (800AJ)
Swing Bearing Torque Sequence
Rotary Coupling Seal Installation
Rotary Coupling Cutaway
Rotary Coupling Port Location (7 Port)
Rotary Coupling Port Location (9 Port)
Rotary Coupling Installation
Inspecting Generator Brushes, Replacing Brushes, and Cleaning Slip Rings
Generator Troubleshooting Circuit Diagram (Sheet 1 of 2)
Generator Troubleshooting Circuit Diagram (Sheet 2 of 2)
Generator Electrical Circuit Diagram
Power Board PC1 Electrical Circuit Diagram
Power Board PC2 Electrical Circuit Diagram (Sheet 1 of 2)
Power Board PC2 Electrical Circuit Diagram (Sheet 2 of 2)
Engine Installation - Sheet 1 of 5
Engine Installation - Sheet 2 of 5
Engine Installation - Sheet 3 of 5
Engine Installation - Sheet 4 of 5
Engine Installation - Sheet 5 of 5
Clutch Adapter Plate Torque Sequence
Clutch Plate Torque Sequence
Counterweight Bolt Torque
Boom Component Location
Location of Components - Upright
Location of Components - Tower Boom Powertrack
Releveling Valve
Boom Upright Positioning
UMS Sensor Location
UMS Module Location
UMS Module Pin Identification
Location of Components Platform Support
Platform Support Torque Values
Bolt-On External Fall Arrest Cable Tension
Bolt-On External Fall Arrest System
Location of Components-Articulating Jib
Boom Valve and Limit Switches Location (Sheet 1 of 2)
Boom Valve and Limit Switches Location (Sheet 2 of 2)
Transportation Switch Installation (CE only)
Main Boom Powertrack Removal and Installation
Powertrack Installation Main Boom
Powertrack Installation Tower Boom (Sheet 1 of 3)
Powertrack Installation Tower Boom (Sheet 2 of 3)
Powertrack Installation Tower Boom (Sheet 3 of 3)
Rotator - Exploded View
Rotator- Assembly Drawing
Rotator Counterbalance Valve
NPTF Thread
BSPT Thread
JIC Thread
SAE Thread
ORFS Thread
MTBL-MBTS Thread
Bulkhead Thread
ORB-MPP Thread
MFF-BSPP Thread
Torque Wrench Angle
FFWR Method
Cylinder Barrel Support
Capscrew Removal
Cylinder Rod Support
Slave Cylinder (Prior to SN 0300247156)
Slave Cylinder (SN 0300247156 to Present)
Tapered Bushing Removal
Composite Bearing Installation
Rod Seal Installation
Cylinder Head Seal Installation
Wiper Seal Installation
Installation of Head Seal Kit
Seating the Tapered Bearing
Hydrolock Piston Seal Installation
Piston Seal Kit Installation
Rod Assembly Installation
Upright Level Cylinder (Prior to 0300247156)
Upright Level Cylinder (SN 0300247156 to Present)
Spanner Nut Removal
Main Boom Telescopic Cylinder
Tower Boom Telescopic Cylinder
Tapered Bushing Installation
Load Sensing Control Adjustment
Pressure Compensation Control Adjustment
Articulating Jib Boom Pressure adjust
Gauge Port Locations
Shaft Seal and Retaining Ring
Plug Locations, Sizes, and Torques
Endcover Inspection
Housing Inspection
Servo Piston Installation
bearing or bushing Inspection
Manual Servo Control Basic Assembly Option
Neutral Lockout Switch Assembly
Gauge Locations
Fault- logic Troubleshooting
Hydraulic Schematic - Sheet 1 of 4
Hydraulic Schematic - Sheet 2 of 4
Hydraulic Schematic - Sheet 3 of 4
Hydraulic Schematic - Sheet 4 of 4
Hand Held Analyzer
Splash Screen
Diagnostic Screen
Engine Diagnostic Screen
Analyzer Flow Chart (Software Version P1.1)
Platform Control Module
Ground Control Module
HEC Module
IMG Controller
Control System Block Diagram - Sheet 1 of 4
Control System Block Diagram - Sheet 2 of 4
Control System Block Diagram - Sheet 3 of 4
Control System Block Diagram - Sheet 4 of 4
Voltage Measurement (DC)
Current Measurement (DC)
Application to plug/male connector housing
Use of Seal Plugs
Brad-Harrison M12
Phoenix Contact M12
Connector Assembly Figure 1
AMP Connector
Connector Assembly Figure 2
Connector Assembly Figure 3
Connector Assembly Figure 4
Connector Disassembly
Connector Installation
DT/DTP Contact Installation
DT/DTP Contact Removal
HD/HDP Contact Installation
HD/HDP Locking Contacts Into Position
HD/HDP Contact Removal
HD/HDP Unlocking Contacts
84V hybrid round connector on tank side
84V hybrid round connector on engine side
Battery Box - Sheet 1 of 15
Battery Box - Sheet 2 of 15
Battery Box - Sheet 3 of 15
Battery Box - Sheet 4 of 15
Battery Box - Sheet 5 of 15
Battery Box - Sheet 6 of 15
Battery Box - Sheet 7 of 15
Battery Box - Sheet 8 of 15
Battery Box - Sheet 9 of 15
Battery Box - Sheet 10 of 15
Battery Box - Sheet 11 of 15
Battery Box - Sheet 12 of 15
Battery Box - Sheet 13 of 15
Battery Box - Sheet 14 of 15
Battery Box - Sheet 15 of 15
IMG Box - Sheet 1 of 6
IMG Box - Sheet 2 of 6
IMG Box - Sheet 3 of 6
IMG Box - Sheet 4 of 6
IMG Box - Sheet 5 of 6
IMG Box - Sheet 6 of 6
Battery Charger LED Display
Battery Charger Installation
QuiQ Programming Kit
Electrical Installation - Sheet 1 of 8
Electrical Installation - Sheet 2 of 8
Electrical Installation - Sheet 3 of 8
Electrical Installation - Sheet 4 of 8
Electrical Installation - Sheet 5 of 8
Electrical Installation - Sheet 6 of 8
Electrical Installation - Sheet 7 of 8
Electrical Installation - Sheet 8 of 8
Fuse Panel - Sheet 1 of 2
Fuse Panel - Sheet 2 of 2
Console Box Harness - Sheet 1 of 4
Console Box Harness - Sheet 2 of 4
Console Box Harness - Sheet 3 of 4
Console Box Harness - Sheet 4 of 4
Platform Valve Harness
Ground Control Harness
H-Bridge/Clutch Harness
Turntable Harness - Sheet 1 of 2
Turntable Harness - Sheet 2 of 2
Turntable Fuse Panel Harness - Sheet 1 of 3
Turntable Fuse Panel Harness - Sheet 2 of 3
Turntable Fuse Panel Harness - Sheet 3 of 3
Main Valve Harness - Sheet 1 of 2
Main Valve Harness - Sheet 2 of 2
Controller Harness
Engine Harness - Sheet 1 of 2
Engine Harness - Sheet 2 of 2
Engine Tray Harness - Sheet 1 of 2
Engine Tray Harness - Sheet 2 of 2
Hybrid Harness - Sheet 1 of 3
Hybrid Harness - Sheet 2 of 3
Hybrid Harness - Sheet 3 of 3
Battery Converter Harness
Battery Charger Harness - Sheet 1 of 2
Battery Charger Harness - Sheet 2 of 2
Battery Converter cable
Battery Stack Harness (RH) - Sheet 1 of 2
Battery Stack Harness (RH) - Sheet 2 of 2
Battery Stack Harness (LH) - Sheet 1 of 3
Battery Stack Harness (LH) - Sheet 2 of 3
Battery Stack Harness (LH) - Sheet 3 of 4
Equalizer Cable (LT)
Equalizer Cable (RT)
HRT Light Harness - Sheet 1 of 2
HRT Light Harness - Sheet 2 of 2
PLT Work Light Harness
Generator Light Harness
Skyguard Harness
Strobe Harness
Soft Touch Harness
PLT Flood Light Harness
Electrical Schematics - Sheet 1 of 19
Electrical Schematics - Sheet 2 of 19
Electrical Schematics - Sheet 3 of 19
Electrical Schematics - Sheet 4 of 19
Electrical Schematics - Sheet 5 of 19
Electrical Schematics - Sheet 6 of 19
Electrical Schematics - Sheet 7 of 19
Electrical Schematics - Sheet 8 of 19
Electrical Schematics - Sheet 9 of 19
Electrical Schematics - Sheet 10 of 19
Electrical Schematics - Sheet 11 of 19
Electrical Schematics - Sheet 12 of 19
Electrical Schematics - Sheet 13 of 19
Electrical Schematics - Sheet 14 of 19
Electrical Schematics - Sheet 15 of 19
Electrical Schematics - Sheet 16 of 19
Electrical Schematics - Sheet 17 of 19
Electrical Schematics - Sheet 18 of 19
Electrical Schematics - Sheet 19 of 19
Operating Specifications
Tire Specifications
Capacities
Kubota D1305
Mobilfluid 424 Specs
Mobil DTE 10 Excel 32 Specs
Mobil EAL H32 Specs
Mobil EAL H46 Specs
Quintolubric 888-46
Critical Stability Weights
Inspection and Maintenance
Cylinder Drift
Inspection and Preventive Maintenance Schedule
Engine Service Interval
Wheel Torque Chart
Drive Mode Speeds
Excessive Noise and/or Vibration
System Operating Hot
Won’t Shift or Slow to Start
Displacement Identifiers
Slipper Foot Thickness & End Play
Cylinder Block Measurements
Coupling Port Information Table (7 port)
Coupling Port Information Table (9 port)
SkyGuard Function Table
NPTF Pipe Thread
BSPT Pipe Thread
37° Flare (JIC)Thread - Steel
37° Flare (JIC)Thread - Aluminum/Brass
45° Flare (SAE) - Steel
45° Flare (SAE) - Aluminum/Brass
O-ring Face Seal (ORFS) - Steel
O-ring Face Seal (ORFS) - Aluminum/Brass
DIN 24°Cone (MBTL & MBTS)
Bulkhead Fittings (BH) - INCH
Bulkhead Fittings (BH) - METRIC
O-ring Boss (ORB) - Table 1 of 6
O-ring Boss (ORB) - Table 2 of 6
O-ring Boss (ORB) - Table 3 of 6
O-ring Boss (ORB) - Table 4 of 6
O-ring Boss (ORB) - Table 5 of 6
O-ring Boss (ORB) - Table 6 of 6
Metric Flat Face Port (MFF) - L Series - Table 1 of 3
Metric Flat Face Port (MFF) - L Series - Table 2 of 3
Metric Flat Face Port (MFF) - L Series - Table 3 of 3
Metric Flat Face Port (MFF) - S Series - Table 1 of 3
Metric Flat Face Port (MFF) - S Series - Table 2 of 3
Metric Pipe Parallel O-Ring Boss (MPP)
British Standard Parallel Pipe Port (BSPP) - L Series - Table 1 of 3
British Standard Parallel Pipe Port (BSPP) - L Series - Table 2 of 3
British Standard Parallel Pipe Port (BSPP) - L Series - Table 3 of 3
British Standard Parallel Pipe Port (BSPP) - S Series - Table 1 of 3
British Standard Parallel Pipe Port (BSPP) - S Series - Table 2 of 3
British Standard Parallel Pipe Port (BSPP) - S Series - Table 3 of 3
Flange Code (FL61 & FL62) - Inch Fasteners
Flange Code (FL61 & FL62) - Metric Fasteners
Symbols Used
Gauge and Port information
Excessive Noise and/ or Vibration
Actuator Response Is Sluggish
Low Pump Output Flow
Pressure or Flow Instability
System Pressure Not Reaching Pressure Compensator Setting
High Inlet Vacuum
Analyzer Abbreviations
Diagnostic Menu Descriptions
Accessory Weights
SkyGlazier Capacity Reductions
Pipe Rack Capacity Reductions
LSS Troubleshooting Chart
Machine Configuration Programming Information (Software Version P1.1)
H800A Machine Configuration Programming Settings (Software Version P1.1)
Machine Personality Settings
Function Speeds
Diagnostic Trouble Code Chart
Diagnostic Trouble Code Chart - Additional HEC Faults
Diagnostic Trouble Code Chart - Hybrid UGM
Battery Equalizer LEDs
LED Flashes
Detailed LED Fault Indications
Charger/Converter Troubleshooting
Other Conditions
Charging Profile (Algorithm) Matrix
Part Number Reference
Wiring Harness Connector Labels
Inside this manual
Real pages from this service manual (688 pages). Open the sample pages (PDF, 575 KB)
- Troubleshooting, page 180: SECTION 4 - BOOM & PLATFORM
- Specifications, page 390: SECTION 6 - JLG CONTROL SYSTEM
- Diagram, page 590: 12 FUSE BUSS
- Color page, page 204: SECTION 4 - BOOM & PLATFORM
- Color page, page 615: SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the H800AJ are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Service Manual 3121770$69.97
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This is a service manual
Here's how it compares to the other manual types.
This manual
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, 688 pages
Quantity one is the manual described above.
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Other editions and similar models
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