Searching for parts to keep your JLG 600AJ performing at its peak? Ensure your boom lift stays in top condition with high-quality outer air filters, hydraulic filters, boom angle sensors, and more. The JLG 600AJ is powered by a reliable engine designed for efficiency and durability, making it ideal for demanding job sites. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your JLG 600AJ running smoothly! Keep reading for a comprehensive maintenance guide for your machine.

Walk-Around Inspection

Before operating your JLG 600AJ, it’s crucial to perform a thorough walk-around inspection to prevent costly downtime and ensure operator safety. Regular inspections help identify issues early, allowing your boom lift to operate efficiently. This process enables you to detect any leaks, loose components, or potential hazards that could affect performance and longevity. Key areas to focus on during your inspection include:

• Checking for hydraulic leaks, loose hoses, or damaged connections.
• Inspecting tires for proper inflation and wear.
• Ensuring visibility by cleaning mirrors, windows, and checking for proper lighting operation.
• Verifying the structural integrity of the boom and platform.

Daily Inspection

• Check engine oil and coolant levels, topping off as needed.
• Inspect the air filter indicator to determine if cleaning or replacement is necessary.
• Drain water and sediment from the fuel separator.
• Check hydraulic oil levels and refill if necessary.
• Grease all lubrication points to prevent premature wear.

50-Hour Maintenance

• Inspect and adjust tire pressure.
• Lubricate all pivot points.
• Check for loose fasteners and tighten as necessary.

250-Hour Maintenance

• Inspect and adjust the fan belt.
• Clean the air cleaner.
• Clean radiator fins and oil cooler fins.
• Inspect hydraulic hoses and connections for leaks.

500-Hour Maintenance

• Replace the engine oil and oil filter.
• Replace the fuel filter.
• Inspect the brake system for wear.
• Check battery condition and connections.

1,000-Hour Maintenance

• Replace the hydraulic oil return filter.
• Replace the pilot line filter.
• Replace the travel motor gear oil.
• Replace the air cleaner element.
• Inspect and adjust engine valve clearance.

2,000-Hour Maintenance

• Flush and replace coolant.
• Inspect hydraulic cylinders and seals.
• Check and adjust boom wear pads.

4,000-Hour Maintenance

• Replace hydraulic oil and clean the suction strainer.
• Inspect and service transmission components.

Final Maintenance Recommendations

Regular maintenance keeps your JLG 600AJ operating reliably. For a full range of JLG parts, explore our extensive JLG parts catalog. If you can't find the part you need, reach out to our parts experts for a custom order.