Preventative Maintenance Schedule

Pre-flight Check:

• Remove any loose objects from floor of craft
• Check skirts and drag flap for damage
• Check engine oil level
• Ensure fanguard is properly secured
• Check washer and wiper
• Ensure hull drain plugs are in place
• In cold weather remove ice from fanguard, air filter, floor of craft, underneath engine and rudders
• Check engine radiator to ensure that it is not blocked with leaves or grass
• Check all lights
• Check operation of splitters/shutters and check operation of display units

Post-flight Check:

• In salt water conditions hose down all metal parts with fresh water
• Evacuate water in bilge with craft tilted backwards
• Set splitters into cruise position and shutters in open position so that piston rods are not exposed
• Turn off battery master switch
• Check washer bottle level

After First Ten Hours of Operation:

• Change engine oil and filter
• Check engine for oil and exhaust leaks
• Grease main drive shaft and pulleys
• Check coolant level
• Check engine intake and exhaust manifolds bolts for tightness
• Check drive belts for tension and adjust if necessary
• Check pulleys for alignment
• Inspect battery terminals and battery connections on engine
• Grease drive shaft bearings
• Check bottom hull for damage
• Replace worn or damaged skirts
• Check skirts for alignment with air holes
• Inspect alternator belts
• Check battery connections
• Check drag flap for damage or loose rope

• Check hull for damage
• Check splitter and shutter hydraulics for leaks and oil level
• Check fan blades and drive belts for wear and damage
• Check grapple poles, mounts, spot light mount, fire extinguisher, grab handle and ring buoys and grab rails for security

Every 50 Hours:

• Change engine oil and filters
• Change filter on fuel/water separator
• Check riser and manifold bolts for tightness