Keeping your Skyjack SJ46AJ in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your articulating boom lift stays in top shape with high-quality oil filters, fuel filters, circuit breakers, and more. The SJ46AJ offers impressive up-and-over reach, continuous turret rotation, and a 46-foot platform height, making it ideal for tough elevated work environments. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your SJ46AJ running smoothly! Keep reading for a comprehensive maintenance guide for your machine.

Walk-Around Inspection

• Check all tires for inflation, tread, and visible damage
• Inspect hydraulic hoses, cylinders, and fittings for leaks or wear
• Confirm decals are clean and legible
• Ensure battery, air filter, fuel tank, and radiator are free of obstructions or leaks
• Check that platform guardrails and entry gate are secure
• Inspect boom structure, jib, riser, and pivot pins for signs of damage

Daily Maintenance

• Check engine oil, coolant, hydraulic oil, and fuel levels
• Drain water from the fuel/water separator
• Inspect all electrical cables and limit switches for wear
• Grease all boom pivot points, swing bearing, and platform slider rails
• Ensure emergency lowering functions properly from both base and platform controls
• Test brakes, horn, motion alarm, and steering before operation

Every 150 Hours / 3 Months

• Inspect cylinders, hoses, power track, and wear pads
• Check brake and main manifold fittings for leaks
• Clean the battery terminals and check fluid levels
• Inspect and test oscillating axles and differential lock

Every 500 Hours / Yearly

• Replace engine oil and air filter
• Replace hydraulic return and breather filters
• Clean radiator, muffler, and exhaust system
• Lubricate tie rods, steer cylinders, and wheel hubs
• Inspect platform leveling sensors and limit switches

Every 1000 Hours

• Flush hydraulic oil tank and refill with approved fluid
• Replace high-pressure hydraulic filter
• Inspect all boom cylinders and control valves for wear
• Inspect and test platform and base control consoles

Every 2000 Hours

• Replace all hydraulic hoses if signs of wear or cracking are present
• Inspect structure welds, turret, and platform connection points
• Replace final drive and swing gear oil if applicable

As-Needed Maintenance

• Replace damaged or missing decals and safety labels
• Touch up rusted or exposed metal surfaces
• Replace worn tires or damaged wheel assemblies
• Clean and inspect operator manual storage box

Final Maintenance Recommendations

Regular maintenance keeps your Skyjack SJ46AJ operating reliably and safely on the jobsite. For a full range of Skyjack parts, explore our extensive EquipmentShare parts catalog. If you can't find the part you need, reach out to our parts experts for a custom order.