Factory Troubleshooting Manual For JLG Boom Lift. Manual Contains Important Information And Instructions Illustrations, Diagrams, Service, Inspection, Repair, Troubleshooting, Tune-Ups, Fault Codes, Use Information Of JLG Devices.

Format: PDF
Language: English
Pages: 326
Number: 3128411 (april 2007)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

JLG Boom Lift
1250AJP

Contents

-INTRODUCTION
How To Use This Manual
Visual Inspection
Reading Fault Codes
Connector References
Ground Reference
Control Module Power
Critical Sensors
Service Fault Code Cross References
-TROUBLESHOOTING SAFETY PRECAUTIONS
General
Hydraulic System Safety
Troubleshooting Safety
-FAULT DICTIONARY AND SELECTED TROUBLESHOOTING
Flash Codes
-ELECTRICAL REFERENCE
Limit Switch States
Boom Angle Regions
Color Key
Platform Area Solenoids
Platform Area Connectors
Boom Area Connectors
Engine Area Connectors
Main Valve Area Solenoids
Main Valve Area Connectors
Ground Control Connectors
Chassis Area Solenoids
Chassis Area Connectors
Platform Electrical Schematic
Tower and Main Boom Electrical Schematic
Ground Control Electrical Schematic
BLAM Electrical Schematic
Chassis Electrical Schematic
Electrical Wiring
Connector Index
BLAM Module Connector Pinouts
Chassis Module Connector Pinouts
Ground Module Connector Pinouts
Platform Module Connector Pinouts
Connector Loading Diagrams
Working with AMP Connectors
Working with Deutsch Connectors
-HYDRAULIC REFERENCE
Platform Valve Layout
Pump Circuit Schematic
Platform Control Schematic
Axle Steer Control Schematic
Traction Control Schematic
Boom Control Schematic
-JLG ANALYZER
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
Machine Orientation When Setting Speeds
System Test
-CALIBRATIONS
Calibration Instructions
Calibrating Steer
Calibrating Drive
Calibrating Boom Valves
Electronic Platform Leveling
Calibrating Platform Level
Calibrating Tilt Sensor
Boom Sensor Calibration
-MULTIMETER BASICS
Introduction
Continuity Measurement Over Long Distances