The JLG T350 Troubleshooting Manual provides detailed instructions for diagnosing and fixing issues with the JLG T350 lift. It covers common problems and their solutions.
The JLG T350 is a versatile and reliable towable boom lift. Proper maintenance and troubleshooting are crucial for its optimal performance. The troubleshooting manual is an essential resource for operators and technicians. It helps identify and resolve mechanical and electrical issues promptly.
Understanding common problems ensures the equipment operates safely and efficiently. Regular checks and timely repairs can extend the life of the machine. The manual includes step-by-step guides, diagrams, and safety tips. This comprehensive approach aids in minimizing downtime and improving productivity. Proper use of the manual enhances the overall operation of the JLG T350 lift.
Common Issues
JLG T350 is a reliable machine, but it can have issues. In this section, we will discuss common problems users face. Knowing these can help in quick troubleshooting.
Battery Problems
Battery problems are frequent in JLG T350. A weak battery affects the machine’s performance. Here are some common battery issues:
- Dead Battery: The machine won’t start if the battery is dead.
- Corroded Terminals: Corroded terminals can cause poor connections.
- Low Charge: A battery with low charge will not function well.
To resolve battery issues, check the battery regularly. Ensure it is fully charged and terminals are clean. Replace the battery if it is too old or damaged.
Hydraulic System Failures
Hydraulic system failures can stop the JLG T350 from operating. These failures usually stem from leaks or blockages. Common hydraulic issues include:
- Leaks: Hydraulic fluid leaks reduce system pressure.
- Clogged Filters: Dirty filters block fluid flow.
- Damaged Hoses: Worn-out hoses cause fluid loss.
To fix hydraulic problems, inspect the system regularly. Look for leaks and check hoses for wear. Clean or replace filters to ensure smooth fluid flow.
Safety Precautions
Working with the Jlg T350 requires strict attention to safety precautions. Following these guidelines ensures the protection of both the operator and the machine.
Personal Protective Equipment
Always wear the proper Personal Protective Equipment (PPE) while operating the Jlg T350. This includes:
- Hard hats to protect your head from falling objects.
- Safety glasses to shield your eyes from debris.
- Gloves to safeguard your hands from sharp edges.
- Steel-toed boots to protect your feet from heavy objects.
- High-visibility vests to ensure others can see you.
Each piece of equipment plays a vital role in keeping you safe.
Machine Lockout Procedures
Before performing maintenance, always follow machine lockout procedures. This ensures the machine is completely shut down and safe to work on. Here are the steps:
- Turn off the machine using the main control panel.
- Disconnect the power source to prevent accidental start-up.
- Apply a lock to the main power switch.
- Attach a tag indicating maintenance work is in progress.
- Verify that the power is off by attempting to start the machine.
Following these steps ensures the machine remains inactive during repairs.
Adhering to these safety precautions guarantees a safer working environment. Always prioritize safety when using the Jlg T350.
Battery Troubleshooting
The JLG T350 Troubleshooting Manual covers various aspects of machine maintenance. Battery troubleshooting is crucial for optimal performance. Follow these steps to identify and fix battery issues. Ensure safety by wearing protective gear.
Inspecting Battery Connections
Begin by checking the battery connections. Loose or corroded connections can cause issues. Follow these steps:
- Turn off the machine.
- Locate the battery compartment.
- Inspect the terminals for corrosion.
- Tighten any loose connections.
- Clean corroded terminals with a wire brush.
Use a mixture of baking soda and water to clean terminals. Ensure all connections are secure before moving to the next step.
Testing Battery Voltage
Testing the battery voltage helps determine if the battery is functioning properly. Follow these steps:
- Turn off the machine.
- Set your multimeter to measure DC voltage.
- Connect the multimeter probes to the battery terminals.
- Read the voltage on the multimeter.
Compare the reading to the recommended voltage in the manual. If the voltage is low, the battery may need charging or replacement. Always follow safety guidelines during testing.
| Voltage Reading | Battery Status |
|---|---|
| 12.6V – 12.8V | Fully Charged |
| 12.4V – 12.6V | Partially Charged |
| < 12.4V | Needs Charging |
| < 12.0V | Replace Battery |
Regularly inspect and test your battery to ensure the JLG T350 runs smoothly. Proper maintenance extends the life of your equipment.
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Hydraulic System Checks
The hydraulic system is vital for the Jlg T350’s operation. Regular checks can prevent major issues. This guide helps you ensure the system functions smoothly.
Checking Fluid Levels
Hydraulic fluid levels must be checked regularly. Low fluid can cause malfunctions. Follow these steps to check the fluid level:
- Park the Jlg T350 on a level surface.
- Turn off the engine and let it cool.
- Locate the hydraulic fluid reservoir.
- Remove the cap and check the fluid level.
- Add fluid if the level is below the recommended mark.
Use only recommended hydraulic fluid for the Jlg T350. Check the manual for the correct type.
Identifying Leaks
Hydraulic leaks can cause significant problems. Identifying leaks early can save you time and money.
- Inspect all hydraulic hoses and connections.
- Look for wet spots or puddles under the machine.
- Check for damaged hoses or fittings.
- Listen for hissing sounds which indicate a leak.
If you find a leak, repair or replace the damaged part immediately. Use a clean cloth to wipe areas for a better inspection.
Safety tip: Always wear protective gloves and goggles when checking for leaks.
Electrical System Diagnostics
Electrical system issues in the JLG T350 can be frustrating. This guide will help you through the Electrical System Diagnostics. Follow these steps to identify and fix common electrical problems.
Inspecting Wiring
First, check all visible wiring for damage. Look for frayed wires or burnt connections. Damaged wires can cause many problems.
Use a multimeter to test the continuity of the wires. This ensures that the wires are conducting electricity properly. Replace any wires that fail the continuity test.
Inspect connectors for corrosion or dirt. Clean them with electrical cleaner. Ensure that all connectors are firmly attached.
Testing Fuses And Relays
Fuses protect the electrical system from overloads. First, locate the fuse box in the JLG T350.
Use a fuse puller to remove each fuse. Inspect each fuse for a broken filament. Replace any blown fuses with a fuse of the same rating.
Next, test the relays. Relays control the flow of electricity to various components. Use a relay tester to check each relay. Replace any faulty relays.
| Component | Action |
|---|---|
| Wiring | Inspect for damage, test continuity, clean connectors |
| Fuses | Remove and inspect, replace if blown |
| Relays | Test with relay tester, replace if faulty |
By following these steps, you can diagnose and fix many electrical issues in the JLG T350.
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Mechanical Components
The Mechanical Components of the Jlg T350 are crucial for its operation. Proper maintenance ensures safety and efficiency. This section covers how to inspect and maintain these components.
Inspecting Boom Structure
The boom structure needs regular inspections. Look for any signs of damage. Check for cracks, bends, and deformities. Use a flashlight to inspect hard-to-see areas.
| Inspection Point | What to Look For |
|---|---|
| Joints and Welds | Cracks, rust, or loose parts |
| Hydraulic Hoses | Leaks, wear, or bulges |
| Pins and Bushings | Wear, rust, or missing parts |
Checking For Wear And Tear
Wear and tear affect performance and safety. Check all moving parts. Lubricate them regularly to reduce friction. Look for signs of excessive wear.
- Inspect the tires for damage or wear.
- Check the bearings for smooth operation.
- Examine the hydraulic system for leaks.
Regular checks ensure long-lasting performance. Use the maintenance schedule in the manual. Keep records of all inspections.
Preventative Maintenance
Preventative maintenance is essential for the longevity of your JLG T350. Regular care ensures the machine remains efficient. The JLG T350 Troubleshooting Manual provides detailed steps for preventative maintenance.
Routine Inspections
Routine inspections keep your JLG T350 in top shape. Check the hydraulic fluid levels daily. Inspect the tires for wear and tear. Ensure the battery connections are clean and tight. Look for any leaks or damages in the hydraulic system. Regular inspections prevent major issues.
Scheduled Servicing
Scheduled servicing involves more thorough checks. Follow the manufacturer’s recommendations for service intervals. Replace filters and fluids as specified. Inspect the boom and platform for any signs of wear. Test the safety systems to ensure they function correctly. Keep a record of all servicing activities.
| Service Type | Frequency |
|---|---|
| Hydraulic Fluid Check | Daily |
| Battery Inspection | Weekly |
| Filter Replacement | Every 250 hours |
| Safety System Test | Every 500 hours |
Routine inspections and scheduled servicing extend the life of your JLG T350. Always refer to the JLG T350 Troubleshooting Manual for detailed guidance.
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Troubleshooting Tips
The Jlg T350 Troubleshooting Manual is essential for maintaining your lift. It helps you identify issues quickly. Here are some troubleshooting tips to keep your lift in top condition.
Common Mistakes To Avoid
- Ignoring the Manual: Always refer to the manual first.
- Skipping Regular Maintenance: Regular checks prevent big issues.
- Using Incorrect Parts: Always use Jlg-approved parts.
- Overlooking Safety Protocols: Follow all safety guidelines.
When To Call A Professional
Sometimes, issues need expert help. Here’s when to call a professional:
- Electrical Problems: If the lift has electrical issues.
- Hydraulic Failures: Hydraulic systems can be complex.
- Unusual Noises: Strange noises may indicate serious problems.
- Repeated Failures: Persistent issues need professional attention.
Common Issues And Solutions
| Issue | Possible Cause | Solution |
|---|---|---|
| Lift not starting | Battery issue | Check and charge battery |
| Lift not moving | Hydraulic fluid low | Refill hydraulic fluid |
| Control panel unresponsive | Loose connections | Tighten connections |
Frequently Asked Questions
How Do I Reset A Jlg T350?
To reset a JLG T350, locate the reset button on the control panel and press it.
Why Won’t My Jlg T350 Start?
Check the battery, fuel levels, and ensure all safety switches are engaged.
What Causes Jlg T350 Hydraulic Issues?
Hydraulic issues can be due to low fluid levels, leaks, or clogged filters.
How Do I Fix Jlg T350 Error Codes?
Refer to the troubleshooting manual for specific error codes and follow the recommended steps.
Why Is My Jlg T350 Not Moving?
Ensure the machine is on a level surface and check for any active safety interlocks.
Conclusion
Mastering the JLG T350 troubleshooting manual ensures smooth operation and minimal downtime. Regular maintenance and understanding common issues can prevent major problems. Use this guide to enhance your equipment’s performance and longevity. Stay proactive with your JLG T350, and keep your projects on track efficiently.
Happy troubleshooting!