JLG T350 Boom Lift Service Manual
224 pages · Publication 3121198
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- Models
- T350
- Serial coverage
- Prior to 0030012109
- Manual type
- Service Manual
- Pages
- 224
- Publication
- 3121198
- Condition
- Brand new
What's inside
From the manual's own table of contents: 251 sections, 312 entries. See sample pages (PDF, 650 KB)
General
Hydraulic System Safety
Maintenance5 topics
- Operating specifications
- Capacities
- Electric Power Unit
- Tires
- Engine
Battery2 topics
- Dimensional Data
- Lubrication
Hydraulic Oil4 topics
- Major Component Weights
- Pressure Settings
- Operator Maintenance & Lubrication
- Machine Preparation, Inspection, and Maintenance
Preparation, Inspection, and Maintenance
Pre-Start Inspection
Pre-Delivery Inspection and Frequent Inspection
Annual Machine Inspection
Preventative 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
Lubrication and Servicing1 topic
- Lubrication and Information
Changing Hydraulic Oil
Lubrication Specifications1 topic
- Cylinder Drift Test
Show all 251 sections
Platform Drift
Cylinder 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
- Breaking-in a New Trailer
Retighten Lug Nuts at First 10, 25 & 50 Miles
Adjust Brake Shoes at First 200 Miles
Synchronizing the Brake Systems1 topic
- Trailer inspection and Service Instructions
Fasteners and Frame Members
Brake Shoes and Drums
Manually Adjusting Brake Shoes1 topic
- Electric Brakes
Brake Controller
Brake Cleaning and Inspection
Shoes and Linings1 topic
- Hydraulic (Surge) Brakes
Self Adjusting Mechanism
Parking Brake
General Maintenance1 topic
- Hubs, Drums, Wheel Bearings
Hub Removal
Brake Drum Inspection
Bearing Inspection
Bearing Lubrication
Seal Inspection and Replacement
Bearing Adjustment1 topic
- Tires & Wheels
Tire Inflation
Tire Wear
Tire Replacement
Wheel and Tire Replacement
Wheel Installation
Lug Nuts (Bolts)1 topic
- SECTION NO. TITLE PAGE NO. Hydraulic Brake Coupler
Troubleshooting
Bleeding the Brake System
Towing
Backing Up
Extended Storage Instructions
Proper Towing Checklist1 topic
- Combination Coupler
Servicing the Emergency Lever1 topic
- Hitch Coupler & Axle (CE Only)
Ball Coupler
Coupling Head Maintenance
Damper Maintenance
Brake Maintenance
Adjustment and Readjustment of the Overrun Braking System1 topic
- Coupler Assembly (S/N 0030002099 to Present)
Engaging Manual Lockout Lever
Servicing the Breakaway Assembly
Actuator Maintenance
Coupler Maintenance1 topic
- Trailer Jack (Solid wheels)
Installation
Operation
Assembly
Removal
Disassembly
Shaft Timing Procedure
Disassembly and inspection
One Piece Stator Construction1 topic
- SECTION NO. TITLE PAGE NO. Swing Bearing
Turntable Bearing Mounting Bolt Condition Check
Wear Tolerance
Swing Bearing Removal
Swing Bearing Installation
Swing Bearing Torque Values
Throttle & Choke Adjustment
Fuel Valve Lever
Checking RPM Level
Choke Actuator
Checking Oil Level2 topics
- Outrigger cylinder and Stabilizer
- Outrigger Limit Switches
Adjustment1 topic
- Leveling, Tilt Sensor Calibration
When Machine Is on a Firm Level Surface
Setup When Machine Is Not on Firm Level Surface and Adjustment Procedure1 topic
- Drive & Set
Drive & Set Interlocks2 topics
- Drive Motor
- Batteries (Electric Machines)
Quarterly Battery Maintenance1 topic
- Battery Charger
Cover Removal
Transformer Replacement
Printed Circuit Board Replacement
Shunt Assembly Replacement
Interlock Relay Replacement
SCR Rectifier Replacement (Either Side)
AC Circuit Breaker Replacement
DC Circuit Breaker Replacement
Operating Instructions
Maintenance Instructions
Battery Charger Fault Codes5 topics
- Boom and Cylinder AssemblY
- Main Boom
- Master Cylinder
- Slave Cylinder
- Boom Sensors
Boom Elevation Limit Switch1 topic
- Lubricating O-Rings in the Hydraulic System
Cup and Brush
Dip Method
Spray Method
Brush-on Method1 topic
- Cylinder Repair
Inspection
Testing1 topic
- Pressure Setting Procedure
Main Relief
Telescope In
Telescope Out
Platform Level Up
Platform Level Down
Swing Right
Swing Left
Outrigger Up10 topics
- Hydraulic Oil Fill at Startup
- Hydraulic Hoses
- Hydraulic Filter and Breather
- Introduction
- 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
- System Test
Platform Test
Ground Test2 topics
- User Fault Codes
- Machine Orientation When Setting Speeds
Test Notes2 topics
- General
- Multimeter Basics
Grounding
Backprobing
Min/Max
Polarity
Scale
Voltage Measurement
Resistance Measurement
Continuity Measurement
Current Measurement1 topic
- Checking Switches
Basic Check
Limit Switches
Automatic Switches
Switch Wiring - Low Side, High Side2 topics
- Applying Silicone Dielectric Compound to Electrical Connections
- 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 Disassembly
Operator Maintenance & Lubrication Diagram
Torque Chart - (In/Lb - Ft/Lb). (For ASTM Fasteners)
Torque Chart (Metric Conversion) - (For ASTM Fasteners)
Torque Chart - (N, m) - (For Metric Class Fasteners)
Electric Brake Assembly
Hydraulic Brake Assembly
Hub and Brake Assembly
Spare Tire (Optional)
Hydraulic Brake Coupler
Combination Coupler
Brake Assembly
Overrun Brake System
Coupler Assembly - S/N 0030002099 to Present
Seal Orientation
Notch Alignment
Timing Mark
Swing Motor
Swing Drive Motor
Swing Bolt Feeler Gauge Check
Swing Bearing
Swing Bearing Tolerance Measuring Point
Short Bolts
Swing Bearing Torque Sequence
Engine Assembly
Outrigger Assembly
Drive and Set - Sheet 1 of 2
Drive and Set - Sheet 2 of 2
Drive and Set Circuit
Battery and Contactor Installation - Sheet 1 of 2
Battery and Contactor Installation - Sheet 2 of 2
Battery Cable Routing
Battery Charger Schematic
Battery Charger
Boom and Cylinders Assembly
Level Cylinder
Lift Cylinder
Master Cylinder
Outrigger Cylinder
Telescope Cylinder
Hydraulic Test Ports
Control Valve Torque Values - Sheet 1 of 2
Control Valve Torque Values - Sheet 2 of 2
Drive Directional Valve Identification - Drive & Set Option
Drive Directional Valve Torque Values - Drive & Set Option
Drive Enable Valve Identification - Drive & Set Option
Hydraulic Diagram
Hand Held Analyzer
Analyzer Flow Chart
Analyzer Flow Chart - Diagnostics
Analyzer Flow Chart - Personalties
System Test Flow Chart - Platform Tests
System Test Flow Chart - Ground Station Tests
Ground Module - Sheet 1 of 5
Ground Module - Sheet 2 of 5
Ground Module - Sheet 3 of 5
Ground Module - Sheet 4 of 5
Ground Module - Sheet 5 of 5
Voltage Measurement (DC)
Current Measurement (DC)
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
Chassis Wiring Harness and Connectors - Sheet 1 of 2
Chassis Wiring Harness and Connectors - Sheet 2 of 2
Controller and Valve Body Connector Locations
Electrical Schematic (Boom Operations) - Sheet 1 of 2
Electrical Schematic (Boom Operations) - Sheet 2 of 2
Electrical Schematic (Trailer) - Sheet 1 of 3
Electrical Schematic (Trailer) - Sheet 2 of 3
Electrical Schematic (Trailer) - Sheet 3 of 3
Hydraulic Schematic - Electric Machines - Sheet 1 of 2
Hydraulic Schematic - Electric Machines - Sheet 2 of 2
Hydraulic Schematic - Gas Machines - Sheet 1 of 2
Hydraulic Schematic - Gas Machines - Sheet 2 of 2
Hydraulic Schematic - Drive Option (Gas) - Sheet 1 of 2
Hydraulic Schematic - Drive Option (Gas) - Sheet 2 of 2
Hydraulic Schematic - Drive Option (Electric) - Sheet 1 of 2
Hydraulic Schematic - Drive Option (Electric) - Sheet 2 of 2
Operating & Towing Specifications
Capacities
Electric Power Unit Specifications
Tire Specifications
Battery Specifications
Dimensional Data
Mobilfluid 424 Specs
Component Weights
Pressure Settings
Inspection and Maintenance
Maintenance Schedule
Wheel Torque Chart - ANSI, ANSI Export, CSA, Aus
Wheel Torque Chart - CE
Surge Brake Troubleshooting
Malfunctions and Remedies
Battery Charger Fault Codes (Delta-Q)
Control Valve Torque Values
User Fault Codes
Machine Model Adjustments and Speeds - ANSI & CSA
Machine Model Adjustments and Speeds - CE Only
Machine Configuration Programming Information
Help Messages
Connector Identification
Inside this manual
Real pages from this service manual (224 pages). Open the sample pages (PDF, 649 KB)
- Specifications, page 20: SECTION 1 - SPECIFICATIONS
- Troubleshooting, page 50: IF THE INDICATOR IS IN THE RED "-" ZONE, THE COUPLING IS
- Diagram, page 215: SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
- Color page: SECTION 1 - SPECIFICATIONS
- Color page: SECTION 3 - CHASSIS & TURNTABLE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the T350 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 3121198$69.77
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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, 224 pages
Quantity one is the manual described above.
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Ships in 1 business day.
60-day returns
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Other editions and similar models
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).