JLG 67SL Boom Lift Service and Maintenance Manual (ANSI)

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This service manual PDF download for the JLG 67SL Boom 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.


Section A. Introduction – Maintenance Safety Precautions
A. General
B. Hydraulic System Safety
C. Maintenance

Section 1. Specifications
1.1 Operating Specifications
1.2 Dimensional Data
1.3 Capacities
1.4 Engine
1.5 Tires
1.6 Torque Requirements
1.7 Limit Switches
1.8 Pressure Setting
1.9 Major Component Weights
1.10 Critical Stability Weights
1.11 Lubrication

Section 2. General
2.1 Machine Preparation, Inspection, and Maintenance
2.2 Service and Guidelines
2.3 Lubrication and Information
2.4 Operator Maintenance
2.5 Cylinder Drift Test
2.6 Preventive Maintenance and Inspection Schedule

Section 3. Chassis, Platform & Scissor Arms
3.1 Operating Characteristics
3.2 Wheel Assembly
3.3 Steering Assembly
3.4 Rear Axle Assembly
3.5 Outrigger Cylinder Removal
3.6 Engine Compartment
3.7 Fuel Tank
3.8 Ground Control Panel
3.9 Battery Removal
3.10 Platform
3.11 Ladder Installation
3.12 Beacon Installation (Option)
3.13 Scissor Arms

Section 4. Hydraulics
4.1 Cylinders – Theory of Operation
4.2 Valves – Theory of Operation
4.3 Cylinder Checking Procedure
4.4 Cylinder Repair
4.5 Valves

Section 5. JLG Control System
5.1 Main Terminal Box Circuit Boards
5.2 Control Card Complex 2
5.3 Nivolux – Automatic Self-Leveling System
5.4 PNP5 Circuit Board
5.5 Trigger Control Circuit Card
5.6 Limit Switch & Sensor Operation
5.7 Engine Control System

Section 6. General Electrical Information & Schematics
6.1 General
6.2 Multimeter Basics
6.3 Applying Silicone Dielectric Compound To Amp Connectors
6.4 Working With Deutsch Connectors

Electrical Schematic
Electrical Diagram
Hydraulic Diagram
Hydraulic Schematic


File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121322
Total Pages : 152

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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JLG 67SL Boom Lift Service and Maintenance Manual (ANSI).pdf

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