Searching for parts to keep your JLG 450AJ performing at its peak? Ensure your aerial work platform stays in top condition with high-quality decals, fuel filters, o-rings, and more. The JLG 450AJ is equipped with a hydraulic system that provides powerful, precise operation, delivering reliable performance for a range of worksite tasks. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your 450AJ running smoothly! Keep reading to see our comprehensive maintenance guide for your machine.

Walk-Around Inspection

When you approach your JLG 450AJ, it’s important to begin with a thorough walk-around inspection to ensure safe operation.

• Check for visible damage to machine components like the boom, tires, hoses, and wiring.
• Ensure there are no fluid leaks, loose fittings, or debris in areas like the hydraulic system, fuel tank, and engine.
• Inspect the operator’s platform, safety decals, and switches to confirm all are clean, intact, and functional.

Daily Inspection

Perform a detailed daily inspection to keep your 450AJ in peak working condition. Follow these key steps:

• Check engine oil and coolant levels, replenishing them if necessary.
• Inspect the hydraulic oil level and top it off if required, using the sight gauge to ensure proper levels.
• Inspect fuel levels and make sure the fuel tank is securely sealed.
• Grease all necessary lubrication points, particularly around moving joints and pins.

300 Hour Maintenance

Every 300 hours, it's essential to perform several key maintenance tasks to keep the hydraulic system functioning efficiently:

• Replace the hydraulic return filter to maintain proper fluid cleanliness.
• Replace the hydraulic charge filter to ensure system efficiency.
• Inspect the hydraulic hoses and connections for any signs of wear or leaks.

600 Hour Maintenance

At every 600-hour interval, you should perform the following maintenance to ensure longevity:

• Replace the engine oil and filter to ensure smooth operation.
• Inspect the fuel system and replace the fuel filter as necessary.
• Check and tighten all critical boom and chassis components.

1200 Hour Maintenance

Comprehensive maintenance at 1,200 hours is necessary to ensure your JLG 450AJ continues to function optimally:

• Change the hydraulic oil to maintain the system's efficiency.
• Inspect and clean the hydraulic tank and suction strainers.
• Perform a detailed inspection of the electrical connections and control systems.

For a larger selection of JLG products, check out our extensive JLG parts catalog. Still can't find the part you need? Reach out to one of our parts experts to place a custom order.