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This service manual PDF download for the 330CRT & 400CRT JLG Rough Terrain Scissor Lift has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.
APPLICABLE MODELS :
JLG Lift 330CRT
JLG Lift 400CRT
TABLE OF CONTENTS :
SECTION 1 - SPECIFICATIONS
1.1 Capacities
1.2 Component Data
1.3 Performance Data
1.4 Torque Requirements
1.5 Lubrication
1.6 Pressure Settings
1.7 Serial Number Locations
1.8 Limit Switches
1.9 Cylinder Specifications
1.10 Major Component Weights
1.11 Critical Stability Weights
SECTION 2 - PROCEDURES
2.1 General
2.2 Servicing and Maintenance Guidelines
2.3 Lubrication Information
2.4 Cylinders - Theory of Operation
2.5 Valves - Theory of Operation
2.6 Component Functional Description
2.7 Wear Pads
2.8 Cylinder Checking Procedures
2.9 Lift Cylinder Removal and Installation
2.10 Lift Cylinder Repair
2.11 Steer Cylinder Repair
2.12 Oscillation Cylinder Bleeding
2.13 Magnetic Speed Pickup Cleaning Procedure
2.14 Pressure Setting Procedures
2.15 Limit Switch Adjustment
2.16 Automatic Choke - Field Adjustment (DF-750)
2.17 Electronic Control System
2.18 Flash Codes and Descriptions
2.19 Preventive Maintenance and Inspection Schedule
SECTION 3 - TROUBLESHOOTING
3.1 General
3.2 Troubleshooting Information
3.3 Hydraulic Circuit Checks
LIST OF FIGURES
LIST OF TABLES
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121111
Total Pages : 58
This service manual / repair manual / workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!
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Section A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS
A.A General
A.B Hydraulic System Safety
A.C Maintenance
Section 1. specifications
1.1 Capacities
Hydraulic Oil Tank
Hydraulic System (Including Tank)
Fuel Tank
Engine Crankcase
1.2 Component Data
Gasoline Engine
Diesel Engine
Drive/Steer System
1.3 Performance Data
Travel Speed
Gradeability
Turning Radius (Inside)
Lift Speed
Platform Capacity - Fixed Platform
Platform Extension Capacity
Machine Weight
Machine Height (Fully Extended)
Machine Platform Height (Platform Lowered)
Machine Length
Machine Width
1.4 Torque Requirements
1.5 Lubrication
Lubrication Specifications
1.6 Pressure Settings
1.7 Serial Number Locations
1.8 Limit Switches
1.9 Cylinder Specifications
1.10 Major Component Weights
1.11 Critical Stability Weights
Section 2. procedures
2.1 General
2.2 Servicing and Maintenance Guidelines
General
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
Batteries
Lubrication and Servicing
2.3 Lubrication Information
Hydraulic System
Hydraulic Oil
Changing Hydraulic Oil
Lubrication Specifications
2.4 Cylinders - Theory of Operation
2.5 Valves - Theory of Operation
Solenoid Control Valves (Bang-Bang)
Proportional Control Valves
Relief Valves
Crossover Relief Valves
2.6 Component Functional Description
Hydraulic Pump
Lift Cylinder Counterbalance/Manual Descent Valve
2.7 Wear Pads
Sliding Pads
2.8 Cylinder Checking Procedures
Cylinder w/o Counterbalance Valves - Steer Cylinder
Cylinders w/Single Counterbalance Valves - Lift Cylinder
2.9 Lift Cylinder Removal and Installation
Removal
Installation
2.10 Lift Cylinder Repair
Disassembly
Cleaning and Inspection
Assembly
2.11 Steer Cylinder Repair
Removal
Disassembly
Cleaning and Inspection
Assembly
Installation
2.12 Oscillation Cylinder Bleeding
2.13 Magnetic Speed Pickup Cleaning Procedure
2.14 Pressure Setting Procedures
Lift Relief Adjustments
Steer Relief Adjustment
2.15 Limit Switch Adjustment
Speed Cutout Switch
Drive Cutout Switch (400 CRT)
2.16 Automatic Choke - Field Adjustment (DF-750)
Inspection
Adjustments
Reassembly
Diesel Engine
2.17 Electronic Control System
To Connect the Hand Held Analyzer:
Using the Analyzer:
Changing the Access Level of the Hand Held Analyzer:
2.18 Flash Codes and Descriptions
2.19 Preventive Maintenance and Inspection Schedule
Section 3. Troubleshooting
3.1 General
3.2 Troubleshooting Information
3.3 Hydraulic Circuit Checks
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JLG 330CRT & 400CRT Rough Terrain Scissor Lift Service & Maintenance Manual (ANSI).pdf
Source : Sitelux.com