Here are the recommendations for long-term storage of Westwind aircraft:
- Service hydraulic system to full.
- Service thrust reverser and emergency hydraulic system accumulators to recommended pressures.
- Service all tires to maximum recommended pressure.
- Service oxygen system to full and close cockpit supply valve.
- Disconnect crew masks and stow.
- Service emergency gyro and emergency light battery packs.
- Service main batteries (lead acid or Ni-Cad).
- Service engine oil to recommended level.
- Ground run aircraft and exercise lift/dumps, flaps, and thrust reversers.
- Upon run completion, deplete thrust reverser accumulator pressure and emergency brake accumulator to pre-charge levels. Re-service hydraulic system as needed.
- Defuel aircraft to a maximum level of 1,500 lbs. total. Leak check main fuel hoses at engine connections prior to closing cowl doors
- Wash aircraft and lubricate all exposed flight control hinge points and landing gear.
- Wipe all exposed strut surfaces with MIL-H-5606 hydraulic fluid.
- Remove all fluids from toilet, lavatory water container if equipped, and liquid containers in bar.
- Install engine inlet and exhaust covers, pitot and static port covers.
- Make and install foam plugs for dorsal inlet and NACA scoops on either side of dorsal fin. Secure in place.
- Make and install covers for outboard lower wing NACA vent openings.
- Close off any tail cone openings as needed.
- Install #30 drill bit shanks in both wiper arms to relieve pressure on wipers.
- Lubricate the cabin door seal with Dow-Corning DC-4.
- Install cockpit window shades.
- Set gust lock
- If aircraft is to be left outside, ensure that it is moored securely to tie down pads and all wheels are chocked front and rear.
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